Digital nasoalveolar molding through presurgical orthopedics in newborns/infants with cleft lip and palate: A comprehensive review and case study.

AIMS: This study aims to provide a comprehensive review and case study about the advantages and disadvantages of the application of digital technologies in presurgical orthopedics in newborns/infants with cleft lip and palate (CLCP). Positive changes in the nasal anatomy, maxillary arch, and cleft width could be achieved. METHODS: Three representative cases of newborns/infants with CLCP were managed using the presurgical newborn/infant orthopedics (PSIO) approach. The patients were diagnosed and treated. Detailed descriptions of the impression procedures and PSIO appliance construction and placement were provided for each case. RESULTS: Case 1 utilized traditional impression techniques, Case 2 employed a semi-digitalized approach with intraoral digital scanning, and Case 3 utilized a completely digitalized method for appliance construction. Positive changes in maxillary arch dimensions and cleft width reduction were observed in all cases. CONCLUSIONS: The management of CLCP in newborns and infants poses a complex challenge with profound implications. The PSIO approach not only facilitates reconstructive surgery but also enhances overall quality of life. Digital tools, like specialized optical scanners and 3D printing, revolutionize the PSIO process, making it more efficient and patient-friendly. Clinical benefits include improved facial morphology, esthetics, feeding, speech, and optimized future surgical results. Despite ongoing efficacy debates, global adoption as the initial surgical approach underscores its value. The integration of digital technologies offers new hope for patients and families, promising a brighter future for those affected by this congenital condition.

Graphene-Based Coatings for Surface Modification and Their Applications in Fixed Orthodontics: A Scoping Review.

BACKGROUND: Surface coating technology can assist fixed appliances by reducing friction, improving antibacterial characteristics, and increasing corrosion resistance. The application of functional coatings composed of graphene onto the surfaces of orthodontic brackets and archwires has been shown to enhance their mechanical qualities. The objective of the current study was to carry out a scoping analysis of published recent evidence on the utilization of graphene as a covering material in metallic orthodontic accessories, such as brackets and archwires; Methods: A scoping review was undertaken following the PRISMA-ScR guidelines. PubMed, Embase, the Cochrane Library, Dentistry and Oral Science Source, and Google Scholar were searched between 2003 and 2023; Results: In total, 38 potential references were detected, from which 10 were selected for this review. These articles addressed the benefits of the application of graphene-oxide functional coatings onto the surface of archwires and brackets during fixed orthodontic treatment. Orthodontic graphene-oxide-based coatings provide improved surface characteristics (e.g., reduced friction and anticorrosive effects), antibacterial capabilities, and biocompatibility. These characteristics can increase the effectiveness of orthodontic therapy, improve patient comfort, and lower the likelihood of problems; Conclusion: Orthodontists should be aware of and comprehend the prerequisites for using graphene-oxide-coated archwires and brackets to fulfill needs throughout their clinical practice.

Clinical interventions for caries management through minimal intervention procedures in young children: an updated evidence-based review.

This review aimed to summarize the preventive, non-restorative and restorative minimal intervention dentistry (MID) interventions for managing dental caries during the primary dentition stage, after selecting the highest quality evidence. A comprehensive literature search for relevant studies was performed in PubMed (MEDLINE), Embase, Cochrane Library and Google Scholar, published between 2007 and 2022. Only clinical randomized controlled trials, clinical guidelines with literature review, systematic reviews and meta-analyses conducted in the primary dentition were included. One hundred fifty-three MID-associated references were found, and 63 of them were considered for the present review. Of these, 24 were clinical randomized controlled trials, 21 were systematic reviews, 3 umbrella reviews and 11 practice guidelines with a literature review. The retrieved evidence was divided into (and discussed) three general caries management strategies: (i) carious lesion diagnosis and individual risk assessment; (ii) preventive measurements and non-cavitated lesions management; and (iii) cavitated lesions management. MID is an attractive alternative management that promotes prevention rather than intervention to achieve a long-lasting oral health in young children through easy and cost-benefit preventive, non-invasive, minimally invasive or conservative invasive restorative measures. This philosophy of management is suitable for treating young children, considered friendlier and less anxiety-provoking than traditional methods.

Rapid maxillary expansion and its consequences on the nasal and oropharyngeal anatomy and breathing function of children and adolescents: An umbrella review.

OBJECTIVE: To identify, qualify, and summarize the evidence from different systematic reviews about the outcomes of Rapid Maxillary Expansion (RME) on upper airway dimensions and breathing function in young patients. METHODS: A literature search (from 2000 to December 2022) was conducted through PubMed (MEDLINE), the Cochrane Library, EMBASE, and Dentistry & Oral Science Source. The authors conducted the following umbrella review phases: research question, study selection criteria (systematic reviews involving randomized clinical trials and longitudinal observational designs), data extraction, and critical appraisal (bias risk assessment) of selected articles through the ROBIS tool. RESULTS: The initial search yielded 65 potential references. After screening titles and summaries, and the elimination of duplicated publications, 15 articles were eligible for the evaluation of the full-text document. Finally, 11 systematic reviews (5 combined with meta-analysis) were selected, reporting 132 single studies; 38 of them were unrepeatable. Risk-of-bias assessment showed an average global moderate/high quality among the included studies. There was high heterogeneity between the systematic reviews' (and meta-analyses') methodologies used. CONCLUSIONS: The present umbrella review concludes that significant and stable increases in the nasal and oropharyngeal space volumes and a decrease in airway resistance of growing children and adolescents, occur immediately after RME and at 3, 6- and 12-months follow-up.

2 × 4 appliance in the mixed dentition stage: a scoping review of the evidence.

A great emphasis is currently given to the early correction of malocclusions to prevent further complications if left untreated. Interceptive orthodontics not only simplifies but also eliminates the need for later procedures. The 2 × 4 appliance is an orthodontic treatment modality applied during the mixed dentition period, particularly for malpositioned permanent upper incisors. This scoping review was aimed to examine the breadth and depth of the published literature on this clinical topic, as well as knowledge gaps, about this fixed appliance during mixed dentition, for the correction of incipient anterior malocclusions (incisor crowdings, midline diastemas, or crossbites). PubMed, Cochrane Library, Google Scholar, Dentistry & Oral Sciences Source, and two grey literature databases were explored; under a structured PICO question (Patient, Intervention, Comparison, Outcome) and eligibility criteria, for relevant clinical trials, observational studies, and case reports/series (in English or Spanish), using different searching terms. Titles and abstracts were screened. Full-text articles were critically reviewed for bias risk and a data charting table was constructed. 161 references were identified, after which 115 titles remained after removing duplicates. After the abstract screening, 18 potential full-text articles were reviewed. Finally, 16 studies were included, according to the performed critical appraisal. The 2 × 4 appliance is suitable for mixed dentition patients with mild or severe malocclusions, particularly when removable appliance usage is a critical problem.

Effect of 4-Allyl-1-hydroxy-2-methoxybenzene (eugenol) in the expression of genes involved in cellular cycle and apoptotic process in dental pulp fibroblasts.

OBJECTIVE: This study sought to evaluate the effect of eugenol on the cell morphology and expression of genes involved in the apoptotic process in human dental pulp fibroblasts (hDPFs) from deciduous teeth. MATERIALS AND METHODS: hDPFs were cultured with 4 concentrations of eugenol (0.06 nM, 0.6 nM, 6 nM, 12 nM) and compared with a control group. After a 72 h incubation period, the cytotoxic effect on cell morphology by optical microscopy and gene expression by RT-PCR were evaluated. RESULTS: At 0.06 nM and 0.6 nM eugenol concentrations, vacuolisation of the cytoplasm was observed with atypical granulation of the hDPFs, and, at 6 nM and 12 nM cytoplasmic extensions disappeared almost completely. Casp-3, Casp-9, and telomerase genes were not expressed at the concentrations evaluated nor in the control group. The relative expression responses of Bcl-2 and TGF-ß genes were overexpressed at the 4 concentrations. MAKP's 0.06 nM (p < .001), 0.6 nM (p < .05) and 12 nM (p < .05) and Cyclin 1 at 12 nM showed significant difference versus the control group (p < .05). CONCLUSION: Eugenol is capable of causing morphological changes in hDPFs in a dose-dependent manner, higher concentrations may promote overexpression of apoptotic genes.

Molar incisor hypomineralization (MIH): prevalence and degree of severity in a Mexican pediatric population living in an endemic fluorosis area.

OBJECTIVE: To estimate the prevalence and severity of molar incisor hypomineralization (MIH) in 8 years old children living in an endemic fluorosis area. METHODS: MIH prevalence rate was determined from a study sample comprising 613 participants. They were recruited from 11 urban public schools with similar socio-economic status. Oral evaluations were performed and diagnosed MIH teeth were classified under Ghanim et al.'s criteria. Statistical descriptive and comparative analyzes were carried out. RESULTS: First permanent molars were the tooth group most affected, followed by the upper central incisors, lower central incisors, lower lateral incisors, and upper lateral incisors. There was no significant statistical difference by gender and by maxillary/mandible arches (P = 0.82 and 0.26, respectively). The frequency of MIH was more in molars compared to incisors (P < 0.02). CONCLUSIONS: The MIH prevalence in this study was 12.4 percent. According to the MIH severity, degree 2 was the most frequently detected (76.4 percent).

Clinical Management of Intra-Pulp Canal Broken Endodontic Files in Primary Teeth: Literature Review / Manejo clínico de las limas endodónticas fracturadas dentro del conducto pulpar en dientes primarios: Revisión de la literatura

ABSTRACT: Fracture of an endodontic file inside a primary root canal is a rare but critical complication during the pulpectomy treatment, because the mechanical obstruction impedes the optimal cleaning and obturation of the pulp canal, compromising seriously the clinical outcome. This accidental event is mainly associated with over-use and excessive torque of intracanal files. Most clinicians opt to proceed with the extraction of the affected tooth followed by a space maintainer placement. Other practitioners attempt the non-surgical retrieval of the separated fragment through available proven techniques in permanent teeth; however, these methods may involve significant damage to the tooth and surround tissues. On the other hand, preservation of the metallic fragment might affect the treatment prognosis and interfere with the physiological root resorption.

RESUMEN: La fractura de una lima endodóntica dentro de un conducto radicular primario es una complicación rara aunque critica durante el tratamiento de pulpectomía, debido a que la obstrucción mecánica impide la limpieza y obturación óptimas del conducto pulpar, comprometiendo seriamente el resultado clínico. Este evento accidental está principalmente asociado con el sobreuso y torque excesivo de las limas dentro del conducto. La mayoría de los clínicos optan por realizar la extracción del diente afectado, seguido por la colocación de un mantenedor de espacio. Otros practicantes intentan la remoción no quirúrgica del fragmento separado a través de técnicas disponibles probadas en dientes permanentes; sin embargo, estos métodos pueden causar daños significativos al diente y tejidos circundantes. Por otra parte, la preservación del fragmento metálico puede afectar el pronóstico del tratamiento e interferir con el proceso de reabsorción radicular fisiológico.

Inclusive Dentistry: Integral Management of Pediatric Patients with Intellectual Disability and/or Communication Impairments. Case-Series Reports.

Dental treatment for anxious or fearful intellectually disabled children/adolescents (IDCA) may present great challenges, due to deficits in cognitive, intellectual, language, and social abilities, in conjunction with limited adaptive behavior. In many cases, it is necessary for the Dentist to implement advanced behavioral control techniques. Inclusive Dentistry (ID) considers profoundly each patient's individual interests and likes, including the social and family situations, for choosing the respective personalized plan -contemplating potential risks and benefits- for the behavior control, in order to obtain the maximal possible cooperation of the patient in the dental chair. Through ID, the Pediatric Dental Practitioner aims to alleviate the anxiety and fear of IDCA in the clinical setting, in such a way that these patients are positively motivated, on a long-term basis, for current and future oral care, both at the dental office and at home. This management approach may be a time-consuming method or require more effort by the dentist, but it reaps benefits when applied for many mild-to-moderate (and some severe) IDCA. The Practitioner must possess the knowledge, in-depth understanding, and professional training for the adequate use of ID during the behavioral management of anxious or fearful IDCA. The aim of the present report was to describe four representative clinical cases of IDCA at our Clinic, managed under the philosophical principles of ID.

Evaluación radiográfica de la presencia/agenesia de terceros molares en una población infantil Mexicana / Radiographic Evaluation of the Presence/Agenesis of Third Molars in a Mexican Child Population

RESUMEN En el ser humano, el tercer molar es el órgano dentario que más variaciones presenta durante su desarrollo embriológico, y es causa de diversas alteraciones y malestares durante su proceso de erupción. Se ha señalado que la agenesia del tercer molar tiene una prevalencia entre 9 y 37%. El objetivo del presente estudio transversal comparativo fue evaluar radiográficamente la presencia/ausencia de gérmenes de terceros molares (G3M) en pacientes pediátricos de origen mexicano. Se analizaron 513 radiografías panorámicas de pacientes que asistieron al Posgrado en Estomatología Pediátrica de la Universidad Autónoma de San Luis Potosí (México), durante los años 2011 a 2017. Se tomaron como criterios de inclusión, pacientes entre los 7 y 18 años de edad, sexo indistinto; se excluyeron pacientes con antecedentes de extracción de alguno de los terceros molares, tratamiento ortodóntico previo, enfermedades congénitas y/o síndromes asociados. Se compararon las frecuencias y prevalencias de agenesia de terceros molares, en total y por cuadrantes, comparando por sexo y grupo de edad. 245 radiografías panorámicas correspondieron al sexo femenino y 268 al masculino. La prevalencia total de agenesia del G3M fue estimada en casi 56%, y el grupo de edad de 7-8 años mostró el mayor porcentaje; sin embargo, cuando este grupo de edad se excluyó del análisis, dicha prevalencia disminuyó a 27.3%. Los cuadrantes mandibulares mostraron mayor porcentaje de agenesia. No hubo diferencia estadística significativa en la comparación por sexo. La prevalencia total de agenesia del G3M reportada en el presente estudio se encuentra muy por encima de los parámetros internacionales. Es muy posible que la falta de visualización radiográfica de agenesia de los terceros molares haya sido errónea en algunos casos debido a la ausencia frecuente de indicios de calcificación de este diente durante las edades tempranas (7-8 años). El análisis ajustado proporcionó un valor de prevalencia más acorde con los estándares reconocidos por la literatura dental.

ABSTRACT In the human being, third molar is the tooth that exhibits more variants during its embryologic development, usually causing diverse anomalies and discomfort when erupting to the oral cavity. It has been pointed out that the prevalence of third molar agenesis is between 9 to 37%. The aim of the present comparative cross- sectional study was to radiographically assess the presence/absence of third molar germs (G3M) in a sample of pediatric patients of Mexican origin. A total of 513 panoramic radiographs were analyzed from patients attending the Pediatric Dentistry Postgraduate Program ( San Luis Potosí University, México), during the years 2011 to 2017. Inclusion criteria were patients between 7 and 18 years old, any gender; children with antecedents of a third molar extraction, previous orthodontic treatment, or with an associated congenital or systemic condition were excluded. Total prevalence G3M agenesis was calculated. Then, statistical comparisons of agenesia proportions per dental quadrant, gender, and age group were performed. 245 panoramic radiographs corresponded to the female gender, while 268 belonged to the male gender. The total prevalence of G3M agenesia was estimated in nearly 56%, and the 7-8 years old group exhibited the highest proportion; however, when this age group was excluded from the analysis, such prevalence decreased to 27.3%. Both mandibular quadrants showed higher proportions of G3M agenesia. There were no significant differences between genders. The total prevalence reported in the present study was found to be well above regarding the international parameters. It is quite possible that lack of radiographic visualization of G3M had been inaccurate in some cases due to the common absence of calcification traces from those teeth during early ages (7-8 years old). The adjusted analysis provided a prevalence value more in line with the recognized standards in the dental literature.

Management of a Child with Reactive Attachment Disorder in the Dental Clinical Setting: A Case Report / Manejo de un niño con trastorno de apego reactivo en el entorno clínico dental: Reporte de un caso

ABSTRACT Reactive attachment disorder (RAD) is an early childhood mental health disease characterized by impaired social interactions and communication abilities, and neurological deficits in the child's developing brain. This disorder can significantly affect the pediatric patient's behavior in the dental setting. An uncooperative 9-year- old Mexican girl, who was residing in a temporary home, was referred by a general dental practitioner to the Postgraduate Pediatric Dental Clinic with her caretaker, requesting dental examination and treatment. The patient presented with a previous diagnosis of RAD with intellectual/social disability. With the psychiatrist's guidance, an exhaustive oral prophylaxis was carried out in the initial appointments, followed by diverse restorative treatments under the continuous application of behavioral management techniques. These restorative procedures included resin restorations and pit-fissure sealants, under local anesthesia and rubber-dam isolation, on the first four permanent molars. The entire treatment was completed in six weeks. The patient and her caretaker were provided with detailed educational and motivational strategies for improving the patient´s oral hygiene, and they also received nutritional advice. For control reviews and the reinforcement of preventive habits, future appointments were carefully scheduled. An interdisciplinary pediatric collaboration between the dentist, nurse, and psychiatrist was fundamental for improving the patient's oral health and general welfare.

RESUMEN: El trastorno de apego reactivo (RAD, por sus siglas en inglés) es una enfermedad de salud mental en la primera infancia caracterizada por interacciones sociales y capacidades de comunicación deterioradas y por déficits neurológicos en el cerebro en desarrollo del niño. Este trastorno puede afectar significativamente el comportamiento del paciente pediátrico en el entorno dental. Una niña mexicana de 9 años de edad, poco cooperadora, que residía en un hogar temporal, fue remitida a la Clínica de Odontología Pediátrica con su cuidadora, solicitando un examen y tratamiento dental. La paciente presentó un diagnóstico previo de RAD con discapacidad intelectual/ social. Con la orientación del Psiquiatra, se llevó a cabo una profilaxis oral exhaustiva en las citas iniciales, seguidas de diversos tratamientos de restauración bajo la aplicación continua de técnicas de manejo del comportamiento. Estos procedimientos de restauración incluyeron restauraciones de resina y selladores de fosas y fisuras, bajo anestesia local y aislamiento con dique de goma, en los primeros cuatro molares permanentes. Todo el tratamiento se completó en seis semanas. La paciente y su cuidadora recibieron estrategias educativas y motivacionales detalladas para mejorar la higiene oral y también recibieron asesoría nutricional. Para las revisiones de control y refuerzo de los hábitos preventivos, las citas posteriores se programaron cuidadosamente. Una colaboración pediátrica interdisciplinaria entre el dentista, la enfermera y el psiquiatra fue fundamental para mejorar la salud oral y el bienestar general del paciente.

Randomized Clinical Trials in Pediatric Dentistry: Application of Evidence-Based Dentistry through the CONSORT Statement.

In order to include appropriate informed decisions on dental therapeutic or preventive procedures in children, Pediatric Dentists should apply the fundamentals of "Evidence-Based Dentistry" (EBD). This oral health approach assists clinicians in understanding and applying the most relevant research published on evidence in the clinical setting when treating their patients. One of the crucial steps of EBD is to critically appraise and use the primary articles about therapy or prevention, namely, Randomized Clinical Trials (RCT), the study design that best addresses the questions related with these clinical areas. The aim of the present paper was to provide the basic concepts and an example of how to critically read and understand articles on RCT studies in Pediatric Dentistry employing the CONSORT statement, a process that involves assessing the reliability of results, risk of bias (internal validity), and applicability of reported clinical findings (external validity).

Dentinogenesis Imperfecta Type II in Children: A Scoping Review.

Dentinogenesis Imperfecta type II (DI2), also known as hereditary opalescent dentin, is one of the most common genetic disorders affecting the structure of dentin, not related with osteogenesis imperfecta, which involves both primary and permanent dentitions. The purpose of this article is to perform a scoping review of the published peer-reviewed literature (1986-2017) on DI2 management in children and to outline the most relevant clinical findings extracted from this review. Forty four articles were included in the present scoping review. According to the extracted data, the following are the most important tasks to be performed in clinical pediatric dentistry: to re-establish the oral mastication, esthetics, and speech, and the development of vertical growth of alveolar bone and facial muscles; to reduce the tendency to develop caries, periapical lesions and pain; to preserve vitality, form, and size of the dentition; to avoid interfering with the eruption process of permanent teeth; to decrease the risk of tooth fractures and occlusion disturbances; to return the facial profile to a more normal appearance; and to prevent or treat possible temporomandibular joint problems. Therefore, Pediatric Dentists should bear in mind that early diagnosis and treatment, together a long-term follow-up of DI2 in children, continue to be the best approaches for achieving enhanced patient psychological well-being and, in consequence, their quality of life.

Pain Management Associated with Posttraumatic Unilateral Temporomandibular Joint Anterior Disc Displacement: A Case Report and Literature Review.

The aim of the present article is to review the etiological risk factors and the general and oral management of anterior disc displacement with reduction caused by a chin trauma, and to describe the diagnostic process and the treatment provided to an affected 7-year-old girl. The patient also experienced frequent and severe cephaleas, which may be related to cervical vertebrae deviation. The patient was successfully treated with an intraoral occlusal splint and analgesics. Pediatric dentists must always be aware of the early signs and symptoms of temporomandibular joint disorders in their patients, especially in cases of orofacial trauma history, with the aim of providing an opportune resolution and preventing its progression later in life. Occlusal splints are strongly recommended for the treatment of anterior disc displacement with reduction in children and adolescents.

Dental Management of a Young Child Affected by Galactosialidosis and a Gigantic Abdominal Growth.

Galactosialidosis (GS) is a rare form of lysosomal storage disease that involves a broad spectrum of skeletal and soft tissue abnormalities. We report here on a 4-year 7-month-old boy with mild mental retardation, exhibiting multiple caries cavities and associated infectious foci and macroglossia. A huge abdominal enlargement due to peritoneal ascites was evident. Behavioral management and patient positioning on the dental chair represented a true challenge. The patient was treated under general anesthesia. However, life-threatening postoperative complications occurred because of the impossibility of extubating the patient. A very careful preanesthetic assessment is crucial in children affected by general conditions associated with airway anomalies, such as GS.

Evaluación del efecto sedativo del Midazolam con y sin Ketamina, por vía subcutánea, en pacientes dentales pediátricos / Evaluation of the Sedative Effect of Midazolam with and Without Ketamine, by Subcutaneous Via in Pediatric Dental Patients

Resumen El miedo y la ansiedad de los niños por el tratamiento dental pueden conducir a dificultades en el manejo de la conducta por parte del profesional, lo cual puede ser una barrera para el éxito del tratamiento dental. Los niños no cooperadores pueden necesitar recibir tratamiento dental bajo sedación, la que se indica cuando la guía de comportamiento no farmacológico no tiene éxito. Existen ensayos controlados aleatorios que comparan diferentes protocolos sedantes para procedimientos dentales; sin embargo, la evidencia de superioridad de una forma sobre otra es débil. El objetivo del presente estudio es evaluar el efecto sedativo de Midazolam por vía subcutánea, con y sin ketamina, en procedimientos odontológicos realizados en pacientes pediátricos no cooperadores. Se llevó a cabo un ensayo clínico aleatorizado, cruzado, con cegamiento simple, en 13 niños (10 del género masculino y 3 del femenino) de 19 a 48 meses de edad, ASA I y comportamiento Frankl I. Los dos métodos se aplicaron en el mismo paciente, y el orden de los mismos fue asignado aleatoriamente, para las dos citas de tratamiento. En cada sesión se evaluaron: el comportamiento general del paciente, los movimientos corporales y el llanto, por medio de la escala de Houpt modificada. Además, se monitorearon la frecuencia cardíaca y la saturación de oxígeno por medio de un oxímetro de pulso.

Abstract Children's fear and anxiety about dental treatment can lead to difficulties in the behavior management by the practitioner, which can be a barrier to successful dental treatment. Non cooperative children may need dental treatment under sedation, which is indicated when the non-pharmacological behavioral guidance is unsuccessful. There are randomized controlled trials comparing different sedative protocols for dental procedures; however, evidence of superiority from one form over another is weak. The aim of the present study was to evaluate the sedative effect of midazolam subcutaneously, with and without ketamine, on dental procedures performed in non-cooperative pediatric patients. A randomized, crossover clinical trial with single blinding was performed in 13 children (10 males and 3 females) from 19 to 48 months of age, ASA I and Frankl I behavior. The two methods were applied in the same patient, and the order of the same was assigned randomly, for the two treatment appointments. In each session were evaluated the patient's general behavior, body movements and crying through the modified Houpt scale. In addition, heart rate and oxygen saturation were monitored by means of a pulse oximeter.

Dental approach for Apert syndrome in children: A systematic review

Background: Apert Syndrome (AS), or type I acrocephalosyndactyly, is a rare, congenital craniosynostosis condition resulting from missense mutations in the gene encoding fibroblast growth factor receptor 2. It is characterized by three specific clinical features: brachycephalic skull; midface hypoplasia, and limb abnormalities (syndactyly of hands and feet). The disorder exhibits variable presentations in bones, brain, skin, internal organs, and in the oral/ maxillofacial region. The aim of the present paper was to show the main results from a systematic review of AS. Material and Methods: A search of the literature was performed from April to June 2016 in five electronic databases. Clinical interventional or observational studies, reviews, and case reports were included. The present systematic review was carried out strictly following PRISMA and Cochrane Collaboration criteria. Results: A total of 129 potential references were identified. After reviewing titles and abstracts, 77 of these did not meet the desired criteria and were discarded. The full text of the remaining 52 manuscripts was critically screened. Finally, 35 relevant papers were identified for inclusion in the present systematic review and classified according to topic type. Conclusions: According to the information gathered, dentistry practitioners must be able to supply an early diagnosis through the recognition of AS clinical features and provide correct oral management. Additionally, they should be integrated in a multidisciplinary medical care team in order to improve the quality of life of the affected patients (AU)

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Fundamentals in Biostatistics for Investigation in Pediatric Dentistry: Part II -Biostatistical Methods.

The main purpose of the second part of this series was to provide the reader with some basic aspects of the most common biostatistical methods employed in health sciences, in order to better understand the validity, significance and reliability of the results from any article on Pediatric Dentistry. Currently, as mentioned in the first paper, Pediatric Dentists need basic biostatistical knowledge to be able to apply it when critically appraise a dental article during the Evidence-based Dentistry (EBD) process, or when participating in the development of a clinical study with dental pediatric patients. The EBD process provides a systematic approach of collecting, review and analyze current and relevant published evidence about oral health care in order to answer a particular clinical question; then this evidence should be applied in everyday practice. This second report describes the most commonly used statistical methods for analyzing and interpret collected data, and the methodological criteria to be considered when choosing the most appropriate tests for a specific study. These are available to Pediatric Dentistry practicants interested in reading or designing original clinical or epidemiological studies.

Management of the Amniotic Band Syndrome with Cleft Palate: Literature Review and Report of a Case.

Amniotic Band Syndrome (ABS) is a group of congenital malformations that includes the majority of typical constriction rings and limb and digital amputations, together with major craniofacial, thoracic, and abdominal malformations. The syndrome is caused by early rupture of the amniotic sac. Some of the main oral manifestations include micrognathia, hyperdontia, and cleft lip with or without cleft palate, which is present in 14.6% of patients with this syndrome. The purpose of this report was to describe the clinical characteristics and the oral treatment provided to a 6-month-old male patient affected with ABS with cleft lip and palate.

Eugenol Toxicity in Human Dental Pulp Fibroblasts of Primary Teeth.

OBJECTIVE: The aim of the study was to determine the eugenol concentrations at which toxicity occurs in human dental pulp fibroblasts of primary teeth. STUDY DESIGN: Samples of primary dental pulp tissue were taken. Tissue samples were seeded by means of explant technique and used in the 4(th)-5th pass. Single Cell Gel Electrophoresis (Comet), phenazine MeThoSulfate (MTS), LIVE/DEAD Cell Viability/Toxicity and trypan blue assays for evaluation of the cytotoxicity of increasing concentrations of eugenol (0.06 to 810 µM) were performed. RESULTS: The results of toxicity tests showed toxic effects on dental pulp fibroblasts, even at very low concentrations of eugenol (0.06 µM). Very low concentrations of eugenol produce high toxicity in human dental pulp fibroblasts. CONCLUSIONS: All of the concentrations of eugenol that we evaluated produced high toxicity in human dental pulp fibroblasts of primary teeth.