RESUMEN
OBJECTIVE: Pain is a frequent adverse reaction during orthodontic treatment, which can significantly reduce treatment compliance and compromise the expected treatment effect. Physical interventions have been used to alleviate pain after orthodontic treatment, but their effectiveness is controversial. This study used a network meta-analysis to assess the efficacy of various physical interventions typically used in managing pain after orthodontic treatment, with a view to provide evidence-based recommendations for representative interventions for orthodontic pain relief during peak pain intensity. METHODS: A systematic search of six electronic databases, from their respective inception dates, was conducted to identify relevant literature on the efficacy of various typical physical interventions for managing pain after orthodontic treatment. Literature screening was performed according to the Cochrane System Evaluator's Manual. Stata 16.0 was used to assess heterogeneity, inconsistency, publication bias, and sensitivity to generate an evidence network diagram and conduct a network meta-analysis. RESULTS: In total, 771 articles were reviewed to collect literature on interventions, including low-level laser therapy (LLLT), vibration, acupuncture, and chewing. Of these, 28 studies using a visual analog scale (VAS) as an outcome indicator were included. The results showed that LLLT, vibration, acupuncture, and chewing effectively relieved the pain symptoms in patients after orthodontic treatment. At 24 h post-treatment, LLLT (surface under the cumulative ranking curve [SUCRA] = 80.8) and vibration (SUCRA = 71.1) were the most effective interventions. After 48 h of treatment, acupuncture (SUCRA = 89.6) showed a definite advantage as the best intervention. CONCLUSION: LLLT, vibration, acupuncture, and chewing can alleviate pain associated with orthodontic treatment. Among these interventions, acupuncture was found to be the most effective at 48 h after orthodontic treatment. In addition, acupuncture demonstrated long-lasting and stable pain-relieving effects. However, further studies are needed to determine the most suitable equipment-specific parameters for acupuncture in relieving pain associated with orthodontic treatment.
Asunto(s)
Manejo del Dolor , Humanos , Manejo del Dolor/métodos , Terapia por Luz de Baja Intensidad/métodos , Metaanálisis en Red , Ortodoncia/métodos , Ortodoncia Correctiva/efectos adversos , Dimensión del Dolor , Vibración/uso terapéutico , Terapia por Acupuntura/métodos , Dolor/prevención & control , Dolor/etiologíaRESUMEN
Introdução: O uso de separadores elastoméricos durante o tratamento ortodôntico pode provocar dor e a laserterapia de baixa intensidade tem sido empregada no manejo deste desfecho. Objetivo: Apresentar as evidências sobre o efeito da laserterapia de baixa intensidade no manejo da dor provocada pelo uso de separadores elastoméricos. Métodos: Foi desenvolvida uma revisão integrativa de estudos clínicos nas bases de dados PubMed, Web of Science, Scopus, BVS, SciELO e clinicaltrials.gov utilizando uma estratégia PICo elaborada com descritores, incluindo estudos publicados nos últimos dez anos, sem restrição de idioma. Foram rastreados 68 artigos e 12 foram revisados. Revisão de literatura: Considerando a laserterapia, a maioria dos estudos utilizou arsenieto de gálio e alumínio (Ga-Al-As), com comprimento de onda entre 808nm e 940nm, bem como a potência entre 40.6mW e 200mW. A escala visual analógica (EVA) foi utilizada pela maioria dos estudos para mensurar a dor. Dois estudos não verificaram diferenças significativas da laserterapia de baixa intensidade na dor provocada pelos separadores elastoméricos, oito estudos encontraram diferenças significantes entre os grupos de intervenção, de controle e o placebo (quando utilizado) e dois estudos não foram totalmente conclusivos e apontaram diferenças estatística parciais entre os grupos em questão. As técnicas de aplicação foram demasiadamente heterogêneas nos estudos incluídos nesta revisão e não permitem uma síntese quantitativa. Conclusão: O laser de baixa intensidade pode demonstrar efeitos benéficos na redução da dor provocada por separadores elastoméricos. Entretanto, ainda não é possível determinar qual a melhor técnica de aplicação.
Introduction: The use of elastomeric separators during orthodontic treatment can cause pain and low-level laser therapy has been used to manage this outcome. Objective:To present the evidence on the effect of low-level laser therapy in the management of pain caused by the use of elastomeric separators. Methods: An integrative review of clinical studies was carried out in the PubMed, Web of Science, Scopus, BVS, SciELO and clinicaltrials.gov data-bases using a PICo strategy developed with descriptors, including studies published in the last ten years, without language restriction. 68 articles were tracked and 12 were reviewed. Literature review: Considering laser therapy, most studies used gallium and aluminum arsenide (Ga-Al-As), with a wavelength between 808nm and 940nm, as well as power between 40.6mW and 200mW. The visual analog scale (VAS) was used by most studies to measure the pain. Two studies did not find significant differences in low-level laser therapy in pain caused by elastomeric separators, eight studies found significant differences between the intervention, control and placebo groups (when used) and two studies were not fully conclusive and pointed out partial statistical differences between the groups in question. The application techniques were too heterogeneous in the studies included in this review and do not allow a quantitative synthesis. Conclusion: The low-level laser therapy can demonstrate beneficial effects in reducing pain caused by elastomeric separators. However, it is not yet possible to determine the best application technique.
Asunto(s)
Ortodoncia/métodos , Terapia por Luz de Baja Intensidad , Manejo del DolorRESUMEN
Orthodontic pain is one of the negatives associated with fixed orthodontic treatment that cannot be avoided. This pain usually comes around the wire placement period and gradually decreases once the endogenous analgesic mechanisms start functioning. Over the years, several treatment modalities have been utilized for relief from orthodontic pain, and these include mechanical, behavior modification, and pharmacological methods. However, in the last decade, there are several newer methods employing the use of technology that have come up and are being used for alleviating pain. From computerized indirect bonding to virtual treatment planning, technology has slowly become a vital part of an orthodontist's repertoire. The digital age is here, and orthodontics must embrace the use of technology to help improve the quality of life of patients.
Asunto(s)
Terapia por Luz de Baja Intensidad/métodos , Ortodoncia/métodos , Manejo del Dolor/métodos , Calidad de Vida/psicología , Femenino , Humanos , Masculino , TecnologíaRESUMEN
BACKGROUND: This study aims to assess the efficacy and safety of orthodontic and orthognathic treatment (OOT) for patients with oral and maxillofacial deformities (OMDF) systematically. METHODS: This study will comprehensively search Cochrane Library, PubMed, EMBASE, Scopus, Web of Science, PsycINFO, Index to Nursing and Allied Health Literature, Allied and Complementary Medicine Database, Chinese Biomedical Literature Database, and China National Knowledge Infrastructure from their inceptions to the July 1, 2019. Grey literature will be explored via searching dissertations, Google scholar and conference abstracts. Two team members will independently perform all citations, data extraction, and methodological quality. We will also utilize RevMan 5.3 Software for statistical analysis. RESULTS: This study will provide high quality evidence of OOT for OMDF. The primary outcomes consist of number of patients cured; proportion of patients healed; and time to complete healing within trial period. Secondary outcomes include quality of life (often assessed as any relevant scales, such as 36-Item Short Form Survey), costs, and complications. CONCLUSION: This study will provide evidence for judging whether OOT is effective treatment for OMDF. SYSTEMATIC REVIEW REGISTRATION: CRD42019144610.
Asunto(s)
Anomalías Craneofaciales/terapia , Traumatismos Faciales/terapia , Ortodoncia/métodos , Cirugía Ortognática/métodos , Humanos , Resultado del TratamientoRESUMEN
INTRODUCTION: After being discarded from hospitals due to its lack of scientific evidence, medical hypnosis is once more in the spotlight thanks to neuroscience and medical imaging, which have proven its specificity. Medical hypnosis is currently enjoying real enthusiasm, and now the doors are opening not only to medical and surgical units but also to our orthodontic clinics. MATERIALS AND METHODS: This article defines hypnosis and its different levels of application and the required techniques. It also explores all the different fields in which it can be used in orthodontic treatment. DISCUSSION: Hypnosis can be applied from the very first contact with the patient and can be useful and therapeutic at every step of the process. It is useful to think of it in our discipline as a treatment in its own right contributing to heal parafunctions and tongue disorders more efficiently.
Asunto(s)
Atención Odontológica/métodos , Hipnosis/métodos , Ortodoncia/métodos , Adolescente , Ansiedad/terapia , Concienciación/fisiología , Comunicación , Atención Odontológica/psicología , Femenino , Succión del Dedo/psicología , Succión del Dedo/terapia , Humanos , Masculino , Relaciones Médico-Paciente , Sueño/fisiología , Fases del Sueño/fisiología , Estrés Psicológico/terapia , Trastornos de Tic/psicología , Trastornos de Tic/terapia , Hábitos Linguales/psicología , Hábitos Linguales/terapiaRESUMEN
OBJECTIVES: The goal of this study was to analyze skeletal, dental, and soft tissue changes of patients treated with customized lingual systems and to evaluate the clinical effectiveness of miniscrew anchorage. METHODS: Nine upper first premolar extraction patients who were treated with customized lingual appliances were included in this study. Miniscrews were used for reinforcement of molar anchorage. Cephalometric films and study models were obtained before treatment (T1), after alignment (T2), and after treatment (T3). Treatment effects were analyzed by cephalometric radiographs and study models. RESULTS: The upper anterior teeth were retracted significantly at T2 and T3 (4.41 ± 4.14 mm and 5.51 ± 2.48 mm, respectively). During space closure, the upper first molars showed slight mesial movement (1.50 ± 1.97 mm). The intercanine width of the upper arch increased at T2 (1.59 ± 1.81 mm), but decreased at T3 (0.11 ± 1.00 mm). The sella-nasion-A, A-nasion-B, and mandibular plane angles were not significantly changed at T3. The upper lip showed continuous retraction at both T2 and T3 (1.40 ± 1.46 mm and 2.32 ± 2.48 mm, respectively). CONCLUSIONS: By using miniscrew anchorage for lingual orthodontics, patients' dental and soft tissue changes considerably improved and molar anchorage was reinforced.
Asunto(s)
Tornillos Óseos , Maloclusión/cirugía , Aparatos Ortodóncicos , Ortodoncia/métodos , Tratamiento de Tejidos Blandos/instrumentación , Adolescente , Adulto , Diente Premolar/cirugía , Cefalometría/métodos , Niño , Femenino , Humanos , Masculino , Maloclusión/patología , Mandíbula/anatomía & histología , Mandíbula/cirugía , Maxilar/anatomía & histología , Maxilar/cirugía , Modelos Dentales , Ortodoncia/instrumentación , Tratamiento de Tejidos Blandos/métodos , Extracción DentalRESUMEN
Introducción: durante los últimos años la Ortodoncia demanda tratamientos más cortos. La duración del tratamiento depende del diagnóstico, complejidad del caso, plan de tratamiento, aparatología, experiencia clínica y cooperación del paciente, entre otros, y generalmente oscila entre 24 y 36 meses. Existen estudios que avalan el láser de baja potencia acelera el movimiento ortodóntico, sin embargo, los mecanismos de la fotobiomodulación asociados a esto están claros. Objetivo: describir la evidencia asociada a la fotobiomodulación por láser de baja potencia en el movimiento ortodóntico y sus mecanismos. Métodos: se realizó una revisión bibliográfica sobre la relación existente entre la fotobiomodulación por láser de baja potencia en el movimiento ortodóntico y sus mecanismos en MEDLINE, PubMed y SciELO. La búsqueda se orientó a artículos publicados fundamentalmente en los últimos 5 años sin hacer distinciones de idioma. Los tópicos consultados en la revisión estuvieron referidos a estudios experimentales en humanos, animales e in vitro que incluyeran los láseres que emiten luz infrarroja (780-820 nm), debido a que la absorción infrarroja de la hemoglobina es menor que la del rojo visible. Los láseres que emiten luz infrarroja (780-820 nm) son los mejores para estimular las células óseas porque sus longitudes de onda penetran más profundamente en el tejido blando, alcanzando el tejido óseo. Resultados: se profundiza en el tema de la fotobiomodulación y las bases modulares del empleo de esta técnica en Ortodoncia. El láser de baja potencia acelera el movimiento ortodóntico, sin embargo, no se ha determinado una ventana terapéutica específica para la dosimetría y el mecanismo de acción a nivel de tipos de células individuales. Conclusiones: la evidencia sugiere que el láser de baja potencia acelera el movimiento ortodóntico. Sobre los mecanismos celulares implicados en el movimiento ortodóntico cuando son irradiados con láser, aún la evidencia clínica es insuficiente(AU)
Introduction: recent years have witnessed a demand for ever shorter treatments in orthodontics. Treatment duration depends on diagnosis, case complexity, treatment plan, equipment, clinical experience and patient cooperation, among other factors, and generally ranges between 24 and 36 months. Some studies support the idea that low-level laser speeds up orthodontic movement; however, the photobiomodulation mechanisms involved are clear. Objective: describe the evidence of low-level laser photobiomodulation in orthodontic movement and its mechanisms. Methods: a bibliographic review was conducted in MEDLINE, PubMed and SciELO about the relationship between low-level laser photobiomodulation in orthodontic movement and its mechanisms. The search was aimed at papers published in any language mainly in the last five years. The topics consulted in the review had to do with experiments on humans, animals and in vitro in which infrared lasers (780-820 nm) were used, since infrared absorption of hemoglobin is lower than that of visible red. Infrared lasers (780-820 nm) are the best to stimulate bone cells, because their wavelengths go deeper into soft tissue, reaching the bone. Results: details are provided about photobiomodulation and the modular bases of the use of this technique in orthodontics. Low-level laser speeds up orthodontic movement; however, a specific therapeutic window has not been determined for its dosimetry and mechanism of action in individual cell types. Conclusions: evidence suggests that low-level laser speeds up orthodontic movement. Clinical evidence is still insufficient about the cellular mechanisms involved in orthodontic movement when laser radiation is used(AU)
Asunto(s)
Humanos , Ortodoncia/métodos , Terapia por Luz de Baja Intensidad/métodos , Literatura de Revisión como Asunto , Bases de Datos Bibliográficas/estadística & datos numéricosRESUMEN
Data sourcesA comprehensive literature search in all languages was carried out. Cochrane Oral Health's Information Specialist searched the following databases: Cochrane Oral Health's Trials Register (till 6 October 2016), the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library, 2016, Issue 9), MEDLINE Ovid (1946 till October 6th, 2016), Embase Ovid (1980 till October 6th, 2016) and EThOS (till October 6th, 2016). ClinicalTrials.gov and the World Health Organization International Clinical Trials Registry Platform. Authors were contacted to clarify study information.Study selectionThe inclusion criteria of studies were defined as patients undergoing orthodontic treatment, up to 18 years of age. INTERVENTIONS: orthodontic treatment, exposure: non-pharmacological orthodontic pain intervention (low-level laser therapy, vibratory stimulation, chewing adjuncts, brain wave music or cognitive behavioral therapy and post-treatment communication 'text message'). OUTCOME: pain.Data extraction and synthesisTwo authors reviewed each study independently. A third author was used to resolve any disagreement on the eligibility of the included studies. The authors excluded papers that had unsuitable study design, and assessed the risk of bias on each paper they included. Data were combined using a random effect model and expressed results as mean differences (MD) with 95% confidence intervals (CIs).ResultsThe authors included 14 randomised controlled trials (RCTs) that randomised 931 participants. Intervention modalities included: low-level laser therapy (LLLT) (four studies); vibratory devices (five reviews); chewing adjuncts (three studies); brainwave music or cognitive behavioral therapy (one study) and post-treatment communication in the form of a text message (one study). Twelve studies involved self-report assessment of pain on a continuous scale and two studies used questionnaires to assess the nature, intensity and location of pain. The combined data from two studies involving 118 participants provided low-quality evidence that LLLT reduced pain at 24 hours by 20.27 mm (95% CI -24.50 to -16.04, P < 0.001; I² = 0%). LLLT also appeared to reduce pain at six hours, three days and seven days. The results for the other comparisons are inconclusive due to low evidence quality.ConclusionsThe overall results of the current study are inconclusive. There is low quality evidence that non-pharmacological interventions reduce pain during orthodontic treatment.
Asunto(s)
Terapia Cognitivo-Conductual/métodos , Terapia por Luz de Baja Intensidad/métodos , Musicoterapia/métodos , Ortodoncia/métodos , Manejo del Dolor/métodos , Adolescente , Femenino , Humanos , MasculinoRESUMEN
Se realizó una investigación cuasiexperimental. La muestra quedó constituida por 16 niños de cinco años de edad, que acudieron a la clínica «Victoria de Santa Clara¼ para recibir tratamiento ortodóntico; al realizar los exámenes clínico y funcional presentaban escalón mesial, mordida cruzada anterior e interferencias deflexivas con deslizamientos. La muestra se dividió en dos grupos: experimental y control, con ocho niños, respectivamente. Los primeros fueron tratados con las pistas planas indirectas previa psicoterapia, mioterapia, tallado selectivo y control de los hábitos deletéreos, mientras que al grupo de control se le aplicó la misma terapéutica, excepto los aparatos. Los resultados más favorables en las variables morfológicas fueron: la eliminación del resalte incisivo negativo y el predominio de los planos terminales rectos. Las pistas planas indirectas y la terapia funcional constituyeron las herramientas de elección para el tratamiento temprano de las mesioclusiones de origen funcional
A quasi-experimental intervention study was carried out. Sample was constituted by sixteen children aged 5 years who came to receive orthodontic treatment at "Victoria de Santa Clara" Clinic; mesial step, anterior crossbite and occlusal interferences with slidings were observed during clinical and functional examinations. Sample was divided into two groups: experimental and control group with eight children, respectively. The first ones were treated after psychotherapy, myotherapy, selective carving and control of deletereous habits with indirect plain tracks, while the same therapy was applied to the control group, with the exception of orthodontic appliances. The most favourable results among the morphological variables were elimination of negative overjet and predominance of straight terminal planes. The indirect plain tracks and the functional therapy constitute the used tools for the early treatment of mesiocclusions of functional origin
Asunto(s)
Medicina Oral , Ortodoncia/métodosRESUMEN
ABSTRACT Introduction: In dental practice, low-level laser therapy (LLLT) and high-intensity laser therapy (HILT) are mainly used for dental surgery and biostimulation therapy. Within the Orthodontic specialty, while LLLT has been widely used to treat pain associated with orthodontic movement, accelerate bone regeneration after rapid maxillary expansion, and enhance orthodontic tooth movement, HILT, in turn, has been seen as an alternative for addressing soft tissue complications associated to orthodontic treatment. Objective: The aim of this study is to discuss HILT applications in orthodontic treatment. Methods: This study describes the use of HILT in surgical treatments such as gingivectomy, ulotomy, ulectomy, fiberotomy, labial and lingual frenectomies, as well as hard tissue and other dental restorative materials applications. Conclusion: Despite the many applications for lasers in Orthodontics, they are still underused by Brazilian practitioners. However, it is quite likely that this demand will increase over the next years - following the trend in the USA, where laser therapies are more widely used.
Asunto(s)
Humanos , Animales , Ortodoncia/instrumentación , Ortodoncia/métodos , Terapia por Láser/instrumentación , Terapia por Láser/métodos , Cirugía Bucal/instrumentación , Cirugía Bucal/métodos , Técnicas de Movimiento Dental/instrumentación , Técnicas de Movimiento Dental/métodos , Terapia por Luz de Baja Intensidad/instrumentación , Terapia por Luz de Baja Intensidad/métodos , Láseres de Semiconductores/uso terapéutico , Gingivectomía/instrumentaciónRESUMEN
Holistic integrative medicine (HIM) is a new medical knowledge system, which is formed based on the theory of HIM. HIM treats people as a whole by combining the results of basic medical research, clinical practice and clinical research during the treatment process. The concept of HIM runs through the education and treatment of orthodontics. HIM is the trending norm of both modern medicine and orthodontics. This review is about the concept of HIM and the advantages and disadvantages of specialization. Moreover, this review also discusses the vital role of HIM in orthodontic treatment and development.
Asunto(s)
Medicina Integrativa , Ortodoncia/métodos , Atención a la Salud , Salud Holística , HumanosRESUMEN
OBJECTIVE: To assess if low-level laser therapy (LLLT) enhances the efficiency of orthodontic dental alignment. BACKGROUND: There is no evidence of the effect of LLLT on the orthodontic treatment time from randomized clinical trials. METHODS: Thirty-six subjects were included in this interventional pilot study and randomly assigned for treatment with fixed appliance and LLLT (test group) or with fixed appliance only (control group). A single monthly administration of LLLT was performed intraorally using a Diode laser (980 nm, 1 W, continuous wave, total energy density = 150 J/cm2; Doctor Smile-Lambda Spa). The date of brackets bonding (T1) and the date of complete resolution of dental crowding (T2) were recorded. The alignment treatment time was defined in days as T2 - T1. The number of monthly scheduled control visits was also recorded. Treatment time duration was assessed in both groups with the log-rank (Mantel-Cox) Test for survival analysis. Mann-Whitney U tests was used to compare the number of control visits from T1 to T2 between the two groups. RESULTS: Patients' age, sex, and amount of crowding were equally distributed between the two groups. The alignment treatment time was significantly shorter (p < 0.001) in the tested group (211.8 days) compared to the control (284.1 days). Consequently, control visits (p < 0.001) were lower in the test group (7 visits, median value) compared to the control group (9.5 visits, median value). CONCLUSIONS: The results of this pilot study suggest that the administration of LLLT might significantly increase the efficiency of orthodontic treatment during dental alignment.
Asunto(s)
Láseres de Semiconductores , Terapia por Luz de Baja Intensidad/métodos , Soportes Ortodóncicos , Técnicas de Movimiento Dental/métodos , Adolescente , Femenino , Humanos , Masculino , Boca/efectos de la radiación , Ortodoncia/métodos , Proyectos Piloto , Valores de Referencia , Método Simple Ciego , Estadísticas no Paramétricas , Resultado del TratamientoRESUMEN
INTRODUCTION: In dental practice, low-level laser therapy (LLLT) and high-intensity laser therapy (HILT) are mainly used for dental surgery and biostimulation therapy. Within the Orthodontic specialty, while LLLT has been widely used to treat pain associated with orthodontic movement, accelerate bone regeneration after rapid maxillary expansion, and enhance orthodontic tooth movement, HILT, in turn, has been seen as an alternative for addressing soft tissue complications associated to orthodontic treatment. OBJECTIVE: The aim of this study is to discuss HILT applications in orthodontic treatment. METHODS: This study describes the use of HILT in surgical treatments such as gingivectomy, ulotomy, ulectomy, fiberotomy, labial and lingual frenectomies, as well as hard tissue and other dental restorative materials applications. CONCLUSION: Despite the many applications for lasers in Orthodontics, they are still underused by Brazilian practitioners. However, it is quite likely that this demand will increase over the next years - following the trend in the USA, where laser therapies are more widely used.
Asunto(s)
Terapia por Láser/instrumentación , Terapia por Láser/métodos , Ortodoncia/instrumentación , Ortodoncia/métodos , Animales , Gingivectomía/instrumentación , Humanos , Láseres de Semiconductores/uso terapéutico , Terapia por Luz de Baja Intensidad/instrumentación , Terapia por Luz de Baja Intensidad/métodos , Cirugía Bucal/instrumentación , Cirugía Bucal/métodos , Técnicas de Movimiento Dental/instrumentación , Técnicas de Movimiento Dental/métodosAsunto(s)
Estética Dental , Ortodoncia/métodos , Ortodoncia/tendencias , Brasil , Atención Odontológica Integral/métodos , Simulación por Computador , Diseño Asistido por Computadora/instrumentación , Diseño Asistido por Computadora/tendencias , Tomografía Computarizada de Haz Cónico , Implantación Dental/métodos , Implantes Dentales , Oclusión Dental , Educación de Posgrado en Odontología , Mentoplastia , Imagenología Tridimensional/métodos , Imagenología Tridimensional/tendencias , Avance Mandibular/métodos , Osteotomía Maxilar/métodos , Diseño de Aparato Ortodóncico/métodos , Aparatos Ortodóncicos/tendencias , Ortodoncistas , Procedimientos Quirúrgicos Ortognáticos/métodos , Osteogénesis por Distracción/instrumentación , Osteogénesis por Distracción/métodos , Planificación de Atención al Paciente , Enfermedades Periodontales/complicaciones , Enfermedades Periodontales/terapia , Programas Informáticos , Consejos de Especialidades , Extracción Dental/tendencias , Dimensión VerticalRESUMEN
OBJECTIVE: This review attempts to organize the existing published literature regarding tooth movement in orthodontic treatment when low-level laser therapy (LLLT) is applied. BACKGROUND DATA: The literature discusses different methods that have been developed to motivate the remodeling and decrease the duration of orthodontic treatment. The application of LLLT has been introduced to favor the biomechanics of tooth movements. However there is disagreement between authors as to whether LLLT reduces orthodontic treatment time, and the parameters that are used vary. MATERIALS AND METHODS: Studies in humans and animals in which LLLT was applied to increase the dental movement were reviewed. Three reviewers selected the articles. The resulting studies were analyzed according to the parameters used in the application of laser and existing changes clinically and histopathologically. RESULTS: Out of 84 studies, 5 human studies were selected in which canine traction had been performed after removing a premolar, and 11 studies in rats were selected in which first premolar traction was realized. There were statistically significant changes in four human studies and eight animal studies. CONCLUSIONS: Varying the wavelength with a reasonable dose in the target zone leads to obtaining the desired biological effect and achieving a reduction of the orthodontic treatment time, although there are studies that do not demonstrate any benefit according to their values.
Asunto(s)
Terapia por Luz de Baja Intensidad , Ortodoncia/métodos , Técnicas de Movimiento Dental , Animales , Humanos , Terapia por Luz de Baja Intensidad/métodos , RatasRESUMEN
The purpose of this study was to assess the effect of 810-nm (DMC Equipamentos, Sao Carlos, Brazil) continuous wave low-level laser therapy (LLLT) on the pain caused by orthodontic elastomeric separators. Thirty-seven orthodontic patients (12 male and 25 female, aged 11-32 years, mean age = 24.97 years) participated in the study, including 20 subjects aged 18 years or more, and 17 under 18 years of age. Four elastomeric separators (Dentarum, Springen, Germany) were placed for the first permanent molars (distal and mesial), either for maxillary (22 patients) or mandibular (15 patients) arches; one quadrant was randomly selected and used as a placebo group (received no laser irradiation). After separator placement for each quadrant, patients received 10 doses (2 J/cm(2), 100 mW, 20 s) of laser irradiation on the buccal side (at the cervical third of the roots), for distal and mesial of the second premolars and first permanent molars, as well as distal of second permanent molars (five doses). The same procedure was repeated for the lingual or palatal side (five doses). After 24 h, patients returned to the clinic and received another 10 doses of laser irradiation on the same quadrant. Postseparation pain level recorded on a 10-cm visual analog scale for both jaws immediately (hour 0), and after 6, 24, 30 h, as well as on days 3, 4, 5, 6, and 7. Significant differences in the pain perception (PP) were found between the laser and placebo groups at 6, 24, 30 h, and day 3 of the experiment (P < 0.05). Friedman's test of multiple comparisons revealed significant differences in the PP among various time intervals for laser (chi-square = 173.407, P = 0.000) and placebo (chi-square = 184.712, P = 0.000) groups. In both groups, pain was highest at 6 and 30 h after placing elastomeric separators. No gender differences were observed in both groups. More pain was recorded in the mandible (P < 0.05) at 24 (laser group) and 30 h (both groups) after starting the experiment. The PP was significantly higher (P < 0.05) for the group aged 18 years or more, only at days 3 [both groups] and 4 [laser group only] of the experiment. The 810-nm continuous wave LLLT significantly reduced the PP in the first 3 days after orthodontic separation. However, the mean postseparation PP in both groups was low and wide ranges of PP scores were observed.
Asunto(s)
Dolor Facial/radioterapia , Terapia por Luz de Baja Intensidad/métodos , Ortodoncia/métodos , Adolescente , Adulto , Niño , Dolor Facial/etiología , Femenino , Humanos , Masculino , Mandíbula , Maxilar , Aparatos Ortodóncicos/efectos adversos , Resultado del Tratamiento , Adulto JovenRESUMEN
OBJECTIVES: 1. To determine the in vitro antibacterial effectiveness of the orthodontic bonding Transbond XT (3M Unitek) and four self-etching adhesives with possible use in orthodontic bonding (Clearfil Protect Bond, CPB; Clearfil Self-etching Bond, CSB; Transbond Plus Self-Etching Primer, TSEP; iBond) against Streptococcus mutans and Lactobacillus gasseri in order to compare that capacity among the adhesives and with respect to Transbond XT; 2. To determine the bacterial adhesion capacity of the above mentioned microorganisms to the tested adhesives. MATERIALS AND METHODS: The inhibitory effects of the adhesives against S. mutans and L. gasseri were examined using the agar diffusion method with Whatman No.1 5mm disks loaded with 15 µl of adhesive, UV polymerized, layered on previously inoculated BHI and MRS plates incubated microaerobically for 48 hours at 37 degree C. Data were analysed with Kruskal-Wallis (P < 0.05) and Mann-Whitney tests, applying the Bonferroni correction (P < 0.003). Bacterial adhesion was studied with scanning electron microscopy. RESULTS: Only CPB and iBond produced a clear growth inhibition halo against S. mutans and L. gasseri (P < 0.0001). iBond was the only tested product to which the bacteria adhere profusely, particularly S. mutans. CONCLUSIONS: CPB has shown antimicrobial properties in vitro, and, provided the limitations of an in vitro study, the use of this self-etching adhesive may contribute to reduce microbial decalcification, making the use of this self-etching adhesive an attractive option for bracket bonding.
Asunto(s)
Antibacterianos/farmacología , Recubrimiento Dental Adhesivo/métodos , Materiales Dentales/farmacología , Lactobacillus/efectos de los fármacos , Cementos de Resina/farmacología , Streptococcus mutans/efectos de los fármacos , Adhesión Bacteriana/efectos de los fármacos , Recuento de Colonia Microbiana , Recubrimientos Dentinarios/farmacología , Evaluación Preclínica de Medicamentos/métodos , Humanos , Lactobacillus/crecimiento & desarrollo , Ortodoncia/métodos , Streptococcus mutans/crecimiento & desarrolloRESUMEN
El propósito de este artículo es difundir la odontología neuromuscular, su fundamento, filosofía y en esta oportunidad, aplicarla a la toma del registro de mordida para la confección de aparatología de ortopedia funcional.(AU)