Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 20 de 27
Filter
1.
BMC Oral Health ; 21(1): 554, 2021 10 30.
Article in English | MEDLINE | ID: mdl-34715826

ABSTRACT

BACKGROUND: Oral health of the mother-infant dyad is important to preserve general health. However, there are few instruments in Spanish for the evaluation of knowledge, attitudes and practices that determine this construct. Therefore, this research aimed to develop and evaluate the psychometric properties of the Maternal Oral Health Knowledge, Attitudes and Practices Questionnaire (CAPSOM in Spanish). METHODS: In this instrument development study that carried out in 2018-2019, involving pregnant women between the ages of 18 and 45 in the city of Leon, Guanajuato, Mexico. The sample size was calculated based on 10 women per questionnaire item (n = 10 k). The study used Cronbach's alpha, the modified Lawshe test of validity criteria, factor analysis, and the level of difficulty and discrimination of the items. RESULTS: 207 women took part with their signed, informed consent (25 ± 6 years). The internal consistency of the instrument, both total and by dimension was α = 0.70, α = 0.66 knowledge, α = 0.74 attitudes, and α = 0.66 practices. Values of Content Validity Ratio' ≥ 0.60 were obtained for the final 10 items and Content Validity Index' = 0.90. The average difficulty index of items was 0.40, and there were significant differences (Kruskall-Wallis, p < 0.001) in the discrimination test. Factor analysis demonstrated three main components. CONCLUSIONS: A valid and reliable 10-item Spanish questionnaire was designed to measure pregnant women's oral health knowledge, attitudes, and practices.


Subject(s)
Health Knowledge, Attitudes, Practice , Oral Health , Adolescent , Adult , Female , Humans , Middle Aged , Pregnancy , Psychometrics , Reproducibility of Results , Surveys and Questionnaires , Young Adult
3.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1385722

ABSTRACT

RESUMEN: En México las enfermedades orales se encuentran entre las de mayor demanda de atención en los servicios de salud, presentándose en las poblaciones de trabajadores migrantes mayor vulnerabilidad en cuestiones de salud. El alfabetismo funcional en salud oral es la capacidad que los individuos poseen para obtener, procesar y comprender la información de los servicios de salud básica, reflejándose en su salud. El objetivo de este estudio fue determinar el estado de higiene oral y su relación con el nivel de alfabetismo funcional (OHLA-S) en salud oral de los trabajadores agrícolas migrantes mexicanos. Estudio de corte transversal, con un tamaño de muestra de 208 sujetos elegidos por conveniencia y calculada con base a un OR esperado. Se incluyeron a sujetos de 18 años o más, con consentimiento informado. Las variables estudiadas fueron: autocuidado, OHLA-S, índice de higiene oral simplificado (IHO-S) e índice periodontal comunitario (IPC). Se aplicó estadística descriptiva y analítica. El 53,0 % de la muestra fueron hombres. La media de edad fue de 30,7±10,8 años. Los promedios de alfabetismo funcional en salud oral, del índice de higiene y del índice periodontal comunitario fueron de 7,8±6,9; 1,7±1,0; y 2,0±0,7 respectivamente. La regresión lineal múltiple del IPC muestra que edad y puntaje del OHLA-S explican el 22,0 % de la varianza y el OHLA-S influye indirectamente en el IHO-S. El promedio del índice de higiene oral de los trabajadores agrícolas migrantes fue bueno y el promedio del índice periodontal comunitario reflejó presencia de gingivitis. Así mismo, presentaron un puntaje bajo de alfabetismo funcional en salud oral; Sin embargo el alfabetismo funcional en salud oral se relacionó de forma significativa con el estado periodontal.


ABSTRACT: In Mexico, oral health disease is among the greatest health care demands in health services. These are evident in the higher vulnerability of migrant worker populations regarding major healthcare issues. Oral health literacy (OHL) is the ability of individuals to obtain, process and understand information of basic health services. The aim of the study was to ascertain the state of oral hygiene and its relation with the level of oral health literacy of Mexican migrant farm workers. A cross-sectional study was carried out, with a sample size of 208 subjects selected for convenience and calculated by the expected OR. Subjects 18 years of age or older with signed informed consent were included. The variables studied were: Oral health literacy, simplified oral hygiene index (OHI-S) and Community Index of Periodontal (CPI). Descriptive and inferential analyses were performed. In this evaluation, 53.0 % of the sample were men. The mean age was 30.7±10.8 years. The average oral health literacy was 7.8±6.9, the average hygiene index was 1.7±1.0 and the community periodontal index was 2.0±0.7. The multiple linear regression of the CPI shows that the age and OHLA-S scores account for 22.0 % of the variance and the OHLA-S indirectly influences the IHO-S. This study reflects the importance of performing health interventions focused not only on oral health knowledge, but also considering the age of the individual and maintaining open future lines of research on this subject in different populations.

5.
Salud Publica Mex ; 61(2): 193-201, 2019.
Article in English | MEDLINE | ID: mdl-30958962

ABSTRACT

OBJECTIVE: To compare peer-led dental education (PLDE) versus conventional dental instruction (CDI) in modifying children's oral self-care. MATERIALS AND METHODS: The intervention group (two schools) received PLDE and the control group (two schools) received CDI. The quality of oral self-care practice (OSC-P) and oral self-care skills (OSC-S) were indicated by dental plaque levels (%) and compared before and after dental education. RESULTS: There were no baseline OSC-P differences between the control (55.8 ± 12.8%) and intervention (55.5 ± 14.6%) groups or OSC-S differences between the intervention (38.5 ± 13.2%) and control (38.1 ± 12.5%) groups. At the three-month follow-up we observed OSC-P deterioration in the control group (63.2 ± 15.0%) and OSC-P improvement in the intervention group (52.2 ± 15.6%). The OSC-P/OSC-S regression models found these predictors: baseline oral self-care, group affiliation, and mother's education (p<0.05). CONCLUSIONS: The hypothesis was confirmed and significant predictors were baseline oral self-care levels, group affiliation, and mother's education.


OBJETIVO: Comparar un programa educativo guiado por pares (PEGP) versus un programa basado en educación convencional (EC) dirigido al autocuidado bucal en niños. MATERIAL Y MÉTODOS: El grupo de intervención recibió un PEGP y el grupo control recibió EC. La calidad de prácticas de autocuidado (OSC-P) y habilidades de autocuidado (OSC-S) fueron indicadas por los niveles de placa dental (5) y comparadas antes y después de la intervención. RESULTADOS: No se observaron diferencias en los datos de línea base del OSC-P entre el grupo control (55.8 ± 12.8%) y el de intervención (55.5 ± 14.6%) o en el OSC-S entre el grupo de intervención (38.5± 13.2%) y el control (38.1 ± 12.5%). En el seguimiento a tres meses, se observó un deterioro en las OSC-P en el grupo control (63.2 ± 15.0%) y un mejoramiento en las OSC-P en el grupo de intervención (52.2 ± 15.6%). Los modelos de regresión lineal para las OSC-P/OSC-S encontraron como significativos los siguientes predictores: autocuidado bucal de línea base, el grupo de afiliación y la educación materna (p<0.05). CONCLUSIONES: La hipótesis fue confirmada y los predictores significativos fueron los niveles de autocuidado bucal de línea base, el grupo de afiliación y la educación materna.


Subject(s)
Dental Plaque Index , Oral Hygiene/education , Peer Group , Program Evaluation , Self Care , Case-Control Studies , Child , Education, Dental , Female , Health Promotion , Humans , Male , Mexico
6.
Eur J Oral Sci ; 126(3): 234-243, 2018 06.
Article in English | MEDLINE | ID: mdl-29442393

ABSTRACT

The purpose of this study was to characterize mineral trioxide aggregates (MTA) enriched with iron disulfide (FeS2 ) nanostructures at different concentrations, and to investigate their storage modulus, radiopacity, setting time, pH, cytotoxicity, and antimicrobial activity. Iron disulfide nanostructures [with particle size of 0.357 ± 0.156 µm (mean ± SD)] at weight ratios of 0.2, 0.4, 0.6, 0.8, and 1.0 wt% were added to white MTA (wMTA). The radiopacity, rheological properties, setting time, and pH, as well as the cytotoxicity (assessed using the MTT assay) and antibacterial activity (assessed using the broth microdilution test) were determined for MTA/FeS2 nanostructures. The nanostructures did not modify the radiopacity values of wMTA (~6 mm of aluminium); however, they reduced the setting time from 18.2 ± 3.20 min to 13.7 ± 1.8 min, and the storage modulus was indicative of a good stiffness. Whereas the wMTA/FeS2 nanostructures did not induce cytotoxicity when in contact with human pulp cells (HPCs) and human gingival fibroblasts (HGFs), they showed bacteriostatic activity against Staphylococcus aureus, Escherichia coli, and Enterococcus faecalis. Adding FeS2 nanostructures to MTA might be an option for improving the root canal sealing and antibacterial effects of wMTA in endodontic treatments.


Subject(s)
Aluminum Compounds/pharmacology , Calcium Compounds/pharmacology , Cytotoxins/pharmacology , Dental Pulp/drug effects , Iron/pharmacology , Nanostructures , Oxides/pharmacology , Silicates/pharmacology , Sulfides/pharmacology , Aluminum Compounds/chemistry , Bacteria/drug effects , Calcium Compounds/chemistry , Cytotoxins/chemistry , Dental Materials/pharmacology , Dental Pulp/cytology , Drug Combinations , Fibroblasts/drug effects , Gingiva , Humans , Hydrogen-Ion Concentration , Iron/chemistry , Microscopy, Electrochemical, Scanning , Oxides/chemistry , Silicates/chemistry , Sulfides/chemistry
7.
Int. j. morphol ; 35(2): 564-570, June 2017. ilus
Article in English | LILACS | ID: biblio-893022

ABSTRACT

Some dental treatments that are performed in the mandibular teeth involve manipulation of anatomical structures near the dental periapex, so it is likely to cause nerve damage due to the proximity of the inferior alveolar nerve with the apices of the mandibular teeth, mainly in the molar area. The aim of this study was to determine through Computed Tomography (CT) scan the existing distance between the mandibular canal and the anatomical structures adjacent to its path which will help to reduce the risk of injury to the inferior alveolar nerve during the different dental treatments developed in this zone. A cross-sectional study was performed where the study population consisted of 50 patients of both sexes, between 20 and 30 years with a full dentition mandible. Patients underwent a CT study of the mandible with coronal planes at 1.5 mm, the right side and the left side of each jaw were considered for the analysis and millimetric measuring was held of the distances of the mandibular canal (MC) from different anatomical structures. Subsequently, a statistical analysis was performed to obtain the mean and standard deviation of the distances between the mandibular canal and some adjacent anatomical structures. The distance from the alveolar nerve canal to the apex of the lower third molar in average was 1.49 mm on the right side and 1.69 mm on the left side, the distance between the mandibular canal and lingual cortical at the lower first molar level on average was 3.54 mm on the right side and 4.02 mm on the left side and the distance between the lingual cortical at the second molar level was on average 2.86 mm on the right side and 3.6 mm on the left side.


Algunos tratamientos dentales que se realizan en los dientes mandibulares implican la manipulación de estructuras anatómicas cercanas al periapice dental, por lo que existe la probabilidad de causar lesiones nerviosas debido a la cercanía del canal mandibular con los ápices de los dientes mandibulares, principalmente los molares. El objetivo de este estudio fue determinar a través de tomografía computarizada la distancia existente entre el canal mandibular a las estructuras anatómicas adyacentes a su trayecto lo que ayudará a disminuir el riesgo de lesiones del nervio alveolar inferior durante los diferentes tratamientos dentales desarrollados en esta zona. Se realizó un estudio transversal en donde la población de estudio estuvo compuesta por 50 pacientes de ambos sexos, entre 20 a 30 años con dentición completa en mandíbula. A los pacientes se les realizó un estudio de Tomografía Computarizada (TC) en mandíbula con cortes coronales a 1.5mm, se consideraron para el análisis el lado derecho y el lado izquierdo de cada mandíbula, y se realizó la medición milimétrica de las distancias que existen desde el CNAI a diferentes estructuras anatómicas. Posteriormente, se realizó un análisis estadístico para obtener Medias y Desviación Estándar de las distancias que existen entre el canal mandibular y algunas estructuras anatómicas adyacentes. La distancia del canal mandibular al ápice del tercer molar inferior en promedio fue de 1,49 mm del lado derecho y de 1,69 mm del lado izquierdo,la distancia entre el canal mandibular y la cortical lingual a nivel del primer molar inferior en promedio fue de 3,54 mm del lado derecho y de 4,02 mm del lado izquierdo y la distancia entre la cortical lingual a nivel del segundo molar fue en promedio de 2,86 mm del lado derecho y de 3,6 mm del lado izquierdo.


Subject(s)
Humans , Male , Female , Adult , Cranial Nerve Injuries/prevention & control , Mandibular Nerve/diagnostic imaging , Molar/diagnostic imaging , Cross-Sectional Studies , Mandibular Nerve/anatomy & histology , Molar/anatomy & histology , Tomography, X-Ray Computed , Trigeminal Nerve Injuries/prevention & control
8.
Claves odontol ; 23(75): 65-73, 2017. ilus
Article in Spanish | LILACS | ID: biblio-972619

ABSTRACT

En la actualidad, la principal causa por la que acuden los pacientes al odontólogo es el dolor dental, endonde la mayoría presenta un padecimiento pulpar o periapical irreversibles, que pueden estar asociados a factores traumáticos e irritativos. Sin embargo, pocosde ellos son asintomáticos, como la osteítis condensante que es escasamente mencionada en elámbito de la Endodoncia; por lo tanto, el objetivo de este caso clínico es el de proporcionar información acerca de la osteítis condensante siguiendo los lineamientos internacionales de Case Report (CARE). La osteítis condensante tiene una incidencia muy baja en pacientes y se debe diagnosticar correctamente al momento de tratar este tipo de lesiones con las diferentes herramientas de diagnóstico que se conocen. En este caso, se presenta un paciente del sexo femenino de 58 años de edad con un estado prediabético, que refiere un fractura del segundo molar inferior derecho, al cual radiográficamente se le encontróuna lesión periapical radiopaca en la raíz distal. Se muestra la secuencia del tratamiento, el manejo clínico y la rehabilitación.


At present, the main reason for patients to visit adentist is dental pain, where most of them presenta pulp or periapical irreversible condition, whichmay be associated with traumatic and irritative factors. However, few of them are asymptomatic as osteitiscondensing that is barely mentioned in thefield of endodontics. The aim of this case report isto provide information about the condensing osteitisfollowing international Case Report (CARE)guidelines. Condensing osteitis has a very low incidence in patients and should be correctly diagnosed with the different available diagnostic tools. In thiscase a 58-years-old female patient, with prediabeticstate, referred of a right lower second molar fracturewhich radiographically showed a radiopaque periapicallesion in the distal root of the molar. The sequence of treatment, clinical management and rehabilitation is presented.


Subject(s)
Female , Humans , Middle Aged , Osteitis/diagnosis , Osteitis/pathology , Osteitis/therapy , Periapical Diseases/classification , Root Canal Therapy/methods , Osteosclerosis/diagnosis , Osteomyelitis/diagnosis , Osteitis/diagnostic imaging , Crowns , Diagnosis, Differential , Mexico
9.
J. oral res. (Impresa) ; 5(5): 194-199, Aug. 2016. ilus, tab
Article in English | LILACS | ID: biblio-907674

ABSTRACT

Introduction: In recent decades, dental implants have become one of the best options for comprehensive dental restoration; their placement is a multidisciplinary task that requires a solid understanding of biological, periodontal, surgical and prosthetic principles. Objective: The aim of this study was to quantify in vitro the adhesion and proliferation of human gingival fibroblasts (HGF) response on titanium (Ti) and zirconia (Zr) surfaces. Methodology: Samples of Ti and Zr were observed under atomic force microscopy (AFM). HGFs were inoculated in each sample to determine adhesion and cell proliferation. The reagent MTT was mixed with medium DMEM and inoculated in each plate; formazan was dissolved with dimethyl sulfoxide and analyzed at 540nm in a microplate spectrophotometer. The test was performed with three independent experiments. Data were analyzed with Kolmogorov-Smirnov tests (Lilliefors), Kruskal-Wallis tests and Mann-Whitney test comparisons. Results: Topography of the Zr plates showed greater roughness (Ra= 0.39 microns) than Ti (Ra= 0.049 microns). Quantification of HGF adhesion was significantly higher (p<0.05) in Ti, while proliferation showed no statistically significant differences between the groups. Conclusion: It is noteworthy that, even though Ti initially showed increased cell adhesion on the surface, after 24h Zr samples showed similar proliferation; this demonstrates that both surfaces have a comparable biological response.


Introducción: En las últimas décadas, los implantes dentales se han posicionado como una de las mejores opciones de restauración dental integral; su colocación es una tarea multidisciplinaria que requiere una sólida comprensión de los principios biológicos, periodontales, quirúrgicos y protésicos. Objetivo: El objetivo de este estudio fue cuantificar in vitro la adhesión y proliferación de la respuesta de fibroblastos gingivales humanos (HGF) en superficies de titanio (Ti) en contraste con superficies de zirconia (Zr). Metodología: Se observaron las muestras de Ti y Zr bajo microscopía de fuerza atómica (AFM). Los HGF fueron inoculados en cada muestra para determinar la adhesión y proliferación celular. El reactivo MTT se mezcló con medio DMEM y se inoculó en cada placa, el formazán se disolvió con dimetilsulfóxido y se analizó a 540nm en un espectrofotómetro de microplaca. El ensayo se realizó con tres experimentos independientes. Los datos fueron analizados con pruebas de Kolmogorov-Smirnov (Lilliefors), pruebas de Kruskal-Wallis y comparaciones de Mann-Withney. Resultados: La topografía de las placas de Zr mostraron una mayor rugosidad (Ra=0.39 micrones) en comparación con las de Ti (Ra=0.049 micrones). La cuantificación de la adhesión de HGF fue significativamente mayor (p<0.05) en el Ti, mientras que la proliferación no mostró diferencias estadísticamente significativas entre los grupos. Conclusión: Es importante mencionar que, a pesar de que el Ti mostró inicialmente una mayor adhesión celular sobre la superficie, después de 24 hrs las muestras de Zr mostraron una proliferación similar; lo que demuestra que ambas superficies poseen una respuesta biológica comparable.


Subject(s)
Biocompatible Materials , Cell Adhesion , Cell Proliferation , Dental Implants , Materials Testing , Surface Properties , Titanium/chemistry , Zirconium/chemistry
10.
Rev. ADM ; 73(3): 116-120, mayo-jun.2016. tab
Article in Spanish | LILACS | ID: lil-795802

ABSTRACT

En la actualidad existen muchos materiales dentales para la restauraciónestética, sin embargo, su tiempo de vida clínico no se conoce ampliamente. Objetivo: Identificar las publicaciones recientes de los materiales de restauración libre de metal que incluyan estudios clínicos. Metodología: La búsqueda sistemática de la literatura se realizó en bases de datos de PubMed y SciELO; se consideraron publicacionesdel 2010-2015 y que fueran investigaciones clínicas exclusivamente.Las palabras clave utilizadas fueron: Veneer crowns, dental restorationsfree metal, metal free crowns, aesthetic crowns y restauraciones libres de metal, coronas de silicato de litio, tipos de cerámicas. Resultados: Se revisaron 40 artículos y 20 cumplieron con los criterios de selección para la revisión bibliográfica. Todas las restauraciones protésicas libres de metal muestran un desempeño clínico muy similar a los tres años. Las restauraciones de zirconia y disilicato de litio por CAD mostraronel mejor éxito clínico. Conclusión: El éxito clínico de las restauracioneslibres de metal de esta revisión de la literatura muestra que van de un92.7 al 100 por ciento a tres o más años de seguimiento...


Subject(s)
Humans , Ceramics/classification , Dental Veneers/statistics & numerical data , Esthetics, Dental , Dental Restoration, Permanent/statistics & numerical data , Zirconium/classification , Lithium Compounds/classification , Computer-Aided Design/methods , Inlays , Biocompatible Materials/classification , Dental Materials/classification , Aluminum Oxide/classification , Data Interpretation, Statistical , Surface Properties
11.
Dent Res J (Isfahan) ; 13(6): 473-477, 2016.
Article in English | MEDLINE | ID: mdl-28182066

ABSTRACT

BACKGROUND: The surface energy of titanium (Ti) implants is very important when determining hydrophilicity or hydrophobicity, which is vital in osseointegration. The purpose of this study was to determine how Ti plates with an alkaline treatment (NaOH) affect the adhesion and proliferation of human periodontal ligament fibroblasts (HPLF). MATERIALS AND METHODS: In vitro experimental study was carried out. Type 1 commercially pure Ti plates were analyzed with atomic force microscopy to evaluate surface roughness. The plates were treated ultrasonically with NaOH at 5 M (pH 13.7) for 45 s. HPLF previously established from periodontal tissue was inoculated on the treated Ti plates. The adhered and proliferated viable cell numbers were determined using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide method for 60 min and 24 h, respectively. The data were analyzed using Kruskal-Wallis tests and multiple comparisons of the Mann-Whitney U-test,P value was fixed at 0.05. RESULTS: The mean roughness values equaled 0.04 µm with an almost flat surface and some grooves. The alkaline treatment of Ti plates caused significantly (P < 0.05) more pronounced HPLF adhesion and proliferation compared to untreated Ti plates. CONCLUSION: The treatment of Ti plates with NaOH enhances cell adhesion and the proliferation of HPLF cells. Clinically, the alkaline treatment of Ti-based implants could be an option to improve and accelerate osseointegration.

12.
Int. j. odontostomatol. (Print) ; 9(3): 385-391, dic. 2015. ilus
Article in Spanish | LILACS | ID: lil-775461

ABSTRACT

El objetivo fue identificar los patrones de Cierre Velofaríngeo (CVF) en pacientes con Paladar Hendido (PH) y Labio y Paladar Hendido (LPH) que acuden a la Clínica de Atención Integral de Pacientes con Labio y Paladar Hendido (CAIPLPH) de la Escuela Nacional de Estudios Superiores, Unidad León (ENES, León). Estudio transversal, con una muestra por conveniencia de 79 pacientes entre 4 y 10 años de edad. Las variables incluidas fueron el patrón de CVF, tipo de hendidura, edad del paciente y el antecedente de intervención quirúrgica previa para el cierre de la hendidura palatina. A los pacientes se les realizó valoración clínica y nasofibroscopía por examinadores previamente estandarizados para conocer si existe una relación entre edad y patrón de CVF, entre el tipo de hendidura y patrón de CVF y una relación entre el patrón de CVF y el antecedente quirúrgico, utilizando una prueba bivariada de Chi cuadrada. Se examinaron 46 hombres y 33 mujeres con una media de edad 6,6 años. La frecuencia de los patrones de CVF fueron coronal 8,86%, sagital 67,08%, circular 13,92% y circular con rodete de Passavant 10,12%. Se observó una diferencia estadística significativa entre el patrón de CVF y el tipo de hendidura (X2= 53,93, p<0,001). Las diferentes formas en que se pueden presentar las hendiduras de paladar y labiopalatinas influyen en la función del CVF ya que se puede presentar un patrón distinto en cada caso. El patrón de CVF no se ve afectado por la edad ni por el antecedente quirúrgico de cierre de la hendidura palatina.


The objective of the study was to identify patterns of velopharyngeal closure (CVF) in patients with Cleft Palate (PH) and cleft lip and palate (LPH) attending the Clinic of Comprehensive Attention of Patients with Cleft Lip and Palate (CAIPLPH) of the Escuela Nacional de Estudios Superiores, Unidad León (ENES, León). A cross-sectional study and convenience sample of 79 patients was carried out, including those aged between 4 and 10 years. The variables included were: CVF pattern, kind of cleft, the patient's age and history of previous surgery for closure of the palatal cleft. Patients underwent clinical evaluation and nasofibroscopy by examiners previously standardized to know if there is a relationship between age and CVF pattern, between kind of cleft and pattern of CVF and a relationship between the pattern of CVF and patient's history of previous surgery, using a X2 test bivariate square. Forty-six men and 33 women with a mean age 6.6 years were examined. Frequency patterns CVF: 8.86% coronal, sagittal 67.08%, circular 13.92% and a circular with Passavant ridge 10.12%. A statistically significant difference between the pattern of CVF and the kind of cleft (X2= 53.93, p <0.001) was observed. The different ways in which the PH and LPH clefts can present influence the function of CVF as it can present a different pattern in each case. CVF pattern is unaffected by age or by the previous surgical closure.


Subject(s)
Humans , Male , Female , Child , Cleft Lip , Cleft Palate , Velopharyngeal Insufficiency , Cross-Sectional Studies , Informed Consent
13.
J. oral res. (Impresa) ; 4(5): 313-320, oct.2015. tab, ilus
Article in English | LILACS | ID: lil-783354

ABSTRACT

Composite resins are the material of choice to restore minimal invasive cavities; conversely, it is important to explore the mechanical properties of commercially available dental materials. Objective: To compare the Vickers microhardness (VHN) of four available commercial composite resins using standardized samples and methods. Methodology: Composite cylinders were manufactured in a Teflon mould. We used the follow composite resins (n=4/gp): Microhybrid resins [Feeling Lux (Viarden) and AmelogenPlus (Ultradent)], Hybrid resin [Te-Econom Plus (Ivoclar)] and Nanohybridresin [Filtek Z350 (3M ESPE)]. All samples were incubated in distilled water at 37ºC for five days. The test was carried out with microhardness indenter at 10 N, and a dwelling time of 10 s for 9 indentations across the specimens resulting in a total of 36 indentations for each group. Data were subjected to Kolmogorov-Smirnov normality test and ANOVA (post-hoc) Tukey test. Results: The VHN mean values ranged from harder to softer as follows: Filtek Z350 (71.96+/-6.44) (p<0.01)> Amelogen Plus (59.90+/-4.40) (p<0.05)> Feelinglux (53.52+/-5.72)> Te-Econom Plus (53.26+/-5.19). Conclusion: According to our results, the microhardness of the evaluated conventional composite resins can withstand the masticatory forces; however nanohybrid composite resins showed better Vickers microhardness and therefore are a more clinically suitable option for minimal invasion treatments...


Las resinas son los materiales de elección para restaurar cavidades mínimamente invasivas, sin embargo, es importante conocer sus propiedades mecánicas de los materiales dentales disponibles comerciales. Objetivo: Comparar la microdureza Vickers (VHN) de cuatro resinas compuestas comerciales disponibles con muestras y métodos estandarizados. Metodología: Cilindros de resina compuesta fueron conformados en un molde de Teflón. Se utilizaron las siguientes resinas compuestas (n=4/gp): resina microhíbrida [Feeling Lux (Viarden) y Amelogen Plus (Ultradent)], resina híbrida [Te-Econom Plus (Ivoclar)] y resina nanohíbrida [Filtek Z350 (3M ESPE)]. Todas las muestras fueron incubadas en agua destilada a 37°C durante cinco días. El análisis fue realizado con un indentador de microdureza a 10 N y 10s de presión sobre la muestra, nueve indentaciones fueron realizadas a lo largo de la muestra resultando un total de 36 indentaciones por cada grupo. Los datos fueron sometidos a prueba de normalidad de Kolmogorov-Smirnov y un análisis de ANOVA (post-hoc) de Tukey. Resultados: Los valores de VHN correspondieron de la resina más dura a la más suave como se muestra a continuación: Filtek Z350 (71.96+/-6.44) (p<0.01)> Amelogen Plus (59.90+/-4.40) (p<0.05)> Feeling lux (53.52+/-5.72)> Te-Econom Plus (53.26+/-5.19). Conclusiones: De acuerdo con nuestros resultados, la dureza de las resinas compuestas convencionales evaluadas puede soportar las fuerzas masticatorias pero las resinas compuestas nanohíbridas mostraron una mejor microdureza Vickers que clínicamente puede resultar como una adecuada opción para restaurar tratamientos mínimamente invasivos...


Subject(s)
Humans , Hardness Tests , Dental Materials/chemistry , Composite Resins/chemistry , Analysis of Variance , Materials Testing , Stress, Mechanical
14.
Salud(i)ciencia (Impresa) ; 20(8): 446-451, oct. 2014. tab
Article in Spanish | LILACS | ID: lil-797131

ABSTRACT

Existe un creciente interés en reconocer la salud bucal como un componente de la calidad de vida, por lo cual actualmente los esfuerzos en la investigación del sector odontológico no sólo se enfocan en rehabilitar padecimientos bucodentales, sino en explorar la relación existente entre el estado de salud bucal y la calidad de vida, para poder evaluarla, mejorarla y mantenerla. Las enfermedades bucales son las más comunes entre las enfermedades crónicas, y son un importante problema de salud pública debido a su prevalencia y al impacto que tienen sobre las personas y sobre la sociedad. Es por esto que han sido desarrollados cuestionarios dirigidos a la población infantil y a sus padres o cuidadores para medir el impacto de las afecciones bucales en la calidad de vida; estos indicadores comprenden diferentes dominios como el dolor y la incapacidad para realizar las funciones normales de la boca, trastornos del sueño, pérdida de días escolares, grado de bienestar emocional, bienestar social y el impacto que generan estas afecciones en la vida familiar. Es por esto que el objetivo de la presente revisión sistemática es mostrar un panorama actual sobre el concepto de calidad de vida relacionada con la salud bucal en los niños y los diferentes instrumentos que existen a nivel mundial para evaluarla.


There is a growing interest in recognizing oral health as a component of quality of life. The dentistry is not only focusing on research for rehabilitating oral-dental diseases, but also in exploring the relation-ship between oral health status and quality of life, in order to evaluate, improve and maintain it. Oral diseases are the most common chronic diseases and remain a major public health problem. This is be-cause of its prevalence and, the impact on individuals and society. For this reason have been developed questionnaires for children and their parents or caregivers to measure the impact of oral conditions on quality of life, with different domains including: pain and inability to perform normal functions of the mouth, sleep disturbances, loss of school days, degree of emotional, social well-being and the impact generated by these conditions in family life. Therefore, the aim of the present systematic review is to show a current overview of the concept of oral health-related quality of life in children and the different instruments that exist around the world for evaluate it.


Subject(s)
Humans , Child , Child , Oral Health , Quality of Life , Surveys and Questionnaires , Mouth Diseases , Research , Pan American Health Organization , Parents , Public Health
15.
Beilstein J Nanotechnol ; 5: 1542-52, 2014.
Article in English | MEDLINE | ID: mdl-25247136

ABSTRACT

Copper sulfide is a promising p-type inorganic semiconductor for optoelectronic devices such as solar cells, due its small band gap energy and its electrical properties. In this work nanocrystalline copper sulfide (Cu x S), with two stoichiometric ratios (x = 2, 1.8) was obtained by one-pot synthesis at 220, 230, 240 and 260 °C in an organic solvent and amorphous Cu x S was obtained in aqueous solution. Nanoparticle-like nucleation centers are formed at lower temperatures (220 °C), mixtures of morphologies (nanorods, nanodisks and nanoprisms) are seen at 230 and 240 °C, in which the nanodisks are predominant, while big hexagonal/prismatic crystals are obtained at 260 °C according to TEM results. A mixture of chalcocite and digenite phases was found at 230 and 240 °C, while a clear transition to a pure digenite phase was seen at 260 °C. The evolution of morphology and transition of phases is consistent to the electrical, optical, and morphological properties of the copper sulfide. In fact, digenite Cu1.8S is less resistive (346 Ω/sq) and has a lower energy band gap (1.6 eV) than chalcocite Cu2S (5.72 × 10(5) Ω/sq, 1.87 eV). Low resistivity was also obtained in Cu x S synthesized in aqueous solution, despite its amorphous structure. All Cu x S products could be promising for optoelectronic applications.

16.
Int J Nanomedicine ; 9: 3999-4006, 2014.
Article in English | MEDLINE | ID: mdl-25187703

ABSTRACT

Advances in nanotechnology are producing an accelerated proliferation of new nanomaterial composites that are likely to become an important source of engineered health-related products. Nanoparticles with antifungal effects are of great interest in the formulation of microbicidal materials. Fungi are found as innocuous commensals and colonize various habitats in and on humans, especially the skin and mucosa. As growth on surfaces is a natural part of the Candida spp. lifestyle, one can expect that Candida organisms colonize prosthetic devices, such as dentures. Macromolecular systems, due to their properties, allow efficient use of these materials in various fields, including the creation of reinforced nanoparticle polymers with antimicrobial activity. This review briefly summarizes the results of studies conducted during the past decade and especially in the last few years focused on the toxicity of different antimicrobial polymers and factors influencing their activities, as well as the main applications of antimicrobial polymers in dentistry. The present study addresses aspects that are often overlooked in nanotoxicology studies, such as careful time-dependent characterization of agglomeration and ion release.


Subject(s)
Anti-Infective Agents/toxicity , Biocompatible Materials/toxicity , Nanoparticles/toxicity , Prostheses and Implants , Animals , Cell Line , Dentures , Humans , Oxidative Stress , Rats , Toxicity Tests
17.
Salud(i)ciencia (Impresa) ; 20(6): 636-642, jun.2014. tab
Article in Spanish | LILACS | ID: lil-796464

ABSTRACT

La cantidad de casos de cáncer se ha incrementado en la última década y se esperan 15 millones de nuevos casos para el año 2020 a nivel mundial. En México, el carcinoma oral de células escamosas es el tipo de neoplasia maligna más frecuente, ya que su incidencia representa entre el 1% y el 5% del total de las neoplasias malignas, por lo cual es de suma importancia tener conocimiento de los factores predisponentes, estilo de vida, hábitos y enfermedades sistémicas asociadas con esta patología. La realización de la historia clínica completa juega un papel importante para el diagnóstico oportuno de un paciente con alto riesgo de padecer la enfermedad. En México, la falta de información actual sobre los factores de riesgo, técnicas de diagnóstico oportuno y la poca concientización de la población sobre las medidas preventivas del carcinoma oral de células escamosas generan un reto para los profesionales de salud al tratar de reducir la incidencia de esta neoplasia. Es por esto que el presente artículo brindará un panorama situacional sobre la etiología del carcinoma de células escamosas, la prevalencia e incidencia en la población mexicana, poniendo énfasis en las medidas preventivas y en las técnicas de exploración para el diagnóstico oportuno...


Subject(s)
Humans , Carcinoma , Diagnosis , Neoplasms , Carcinogenesis , Early Detection of Cancer , Life Style , Ethanol , Mexico , Nicotine , Primary Prevention , Tobacco
18.
Int. j. odontostomatol. (Print) ; 7(1): 47-52, 2013. tab
Article in English | LILACS | ID: lil-690480

ABSTRACT

The aim was to report the prevalence of alterations and pathologies of the analysis of digital panoramic radiographs in the clinic of the Dental School at Escuela Nacional de Estudios Superiores, Unidad León, since October 2011 until April 2012. This was developed as a retrospective study involving 516 digital panoramic radiographs upon which was performed a visual analysis to report the prevalence of abnormalities or pathologies. The findings were related to maxillary sinus abnormality or pathology, nasal cavity, maxillary and mandibular bones and dental abnormalities. The panoramic radiograph because of its versatility is still one of the most important oral and maxillofacial diagnosis methods, it helps us to detect pathologies, which do not always have symptomatology and could cause health problems.


El objetivo fue describir la prevalencia de alteraciones y patologías en radiografías panorámicas digitales de la clínica de la Facultad de Odontología de la Escuela Nacional de Estudios Superiores, Unidad León, desde octubre de 2011 hasta abril de 2012. Se desarrolló un estudio retrospectivo que incluyó a 516 radiografías panorámicas digitales en las que se realizó un análisis visual para informar de la prevalencia de anomalías o patologías. Los hallazgos se relacionaron con anormalidad o patología del seno maxilar, cavidad nasal, hueso maxilar y mandibular, y alteraciones dentales. La radiografía panorámica debido a su versatilidad sigue siendo uno de los métodos de diagnóstico oral y maxilofacial más importantes, que nos ayuda a detectar patologías, que no siempre tienen la sintomatología y podrían causar problemas de salud.


Subject(s)
Humans , Male , Adolescent , Adult , Female , Child , Young Adult , Middle Aged , Jaw Abnormalities , Nasal Cavity/abnormalities , Nasal Cavity , Radiography, Panoramic/statistics & numerical data , Maxillary Sinus/abnormalities , Maxillary Sinus , Jaw Abnormalities/epidemiology , Mexico , Mandible/abnormalities , Mandible , Prevalence , Retrospective Studies
19.
Int J Environ Res Public Health ; 8(1): 148-60, 2011 01.
Article in English | MEDLINE | ID: mdl-21318021

ABSTRACT

OBJECTIVE: The purpose of this study was to evaluate caries and dental fluorosis among Mexican preschoolers and school-aged children in a non-endemic zone for fluorosis and to measure its biological indicators. METHODS: DMFT, DMFS, dmft, dmfs, and CDI indexes were applied. Fluoride urinary excretion and fluoride concentrations in home water, table salt, bottled water, bottled drinks, and toothpaste were determined. RESULTS: Schoolchildren presented fluorosis (CDI = 0.96) and dental caries (DMFT = 2.64 and DMFS = 3.97). Preschoolers presented dmft = 4.85 and dmfs = 8.80. DMFT and DMFS were lower in children with mild to moderate dental fluorosis (DF). Variable fluoride concentrations were found in the analyzed products (home water = 0.18-0.44 ppm F, table salt = 0-485 ppm F, bottled water = 0.18-0.47 ppm F, juices = 0.08-1.42 ppm F, nectars = 0.07-1.30 ppm F, bottled drinks = 0.10-1.70 ppm F, toothpaste = 0-2,053 ppm F). Mean daily fluoride excretion was 422 ± 176 µg/24 h for schoolchildren and 367 ± 150 µg/24 h for preschoolers. CONCLUSIONS: Data from our study show that, despite values of excretion within an optimal fluoride intake range, the prevalence of caries was significant in both groups, and 60% of the 11- to 12-year-old children presented with dental fluorosis. In addition, variable fluoride concentrations in products frequently consumed by children were found.


Subject(s)
Dental Caries/epidemiology , Fluorides/analysis , Fluorosis, Dental/epidemiology , Beverages/analysis , Child , Child, Preschool , DMF Index , Dental Caries/urine , Female , Fluorides/urine , Fluorosis, Dental/urine , Humans , Male , Mexico , Prevalence , Sodium Chloride/chemistry , Sodium Chloride, Dietary/analysis , Surveys and Questionnaires , Toothpastes/chemistry , Water/chemistry
20.
J Public Health Dent ; 70(4): 300-7, 2010.
Article in English | MEDLINE | ID: mdl-20663049

ABSTRACT

OBJECTIVES: To evaluate the psychometric properties of the Geriatric/General Oral Health Assessment Index, Spanish version (GOHAI-Sp) and their relationship with the dentition status of an elderly Mexican population as a discriminatory validation. METHODS: A cross-sectional study was conducted among persons over 60 years of age. A Spanish version the GOHAI-Sp validated in Spain in institutionalized geriatric patients was used. Clinical evaluation was done in order to determine experience with coronal and root caries. RESULTS: Measurement of internal consistency of the GOHAI gave a Cronbach alpha coefficient of 0.77 for the 12 items. In factorial analysis, one factor alone was capable of explaining 30.6 percent of the total variance. The factor that was most apparent in the factorial analysis of the GOHAI had coefficients > 0.30 for the 12 items. The Kaiser-Meyer-Olkin measure of simple adequacy was 0.81 and the Bartlett's sphericity test was 1,748.55 with 66 degrees of freedom (P < 0.001). There was a statistically significant difference in the GOHAI scores between the responses to self-perception of oral and general health (P < 0.001). Also, there was a statistically significant low correlation coefficient between the missing and filled components of the DMFT index and the number of healthy and functional teeth (P < 0.05). CONCLUSIONS: The GOHAI has acceptable psychometric properties, discriminates between self-perception of oral health and self-perception of general health, and correlates with past caries experience measured by the DMFT index.


Subject(s)
Dental Health Surveys , Geriatric Assessment , Oral Health , Psychometrics , Quality of Life , Aged , Cross-Sectional Studies , DMF Index , Female , Humans , Interviews as Topic , Male , Mexico/epidemiology , Middle Aged , Root Caries/epidemiology , Self-Assessment , Sickness Impact Profile , Surveys and Questionnaires , Urban Population
SELECTION OF CITATIONS
SEARCH DETAIL
...