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La Ortodoncia Miofuncional basa sus objetivos de diagnóstico y tratamiento en el abordaje integral del paciente, tomando el cuerpo en su conjunto y la boca como expresión de desequilibrios funcionales. Los huesos responden a la acción muscular; si no se recupera la función, se compromete la estabilidad de la forma. El objetivo de este artículo es describir el potencial de los dispositivos preformados, que se trabajan en tres fases. • Fase 1: un dispositivo de silicona blanda para relajar los músculos y recuperar la respiración nasal. • Fase 2: un dispositivo de silicona reforzada para estimular el desarrollo transversal de los arcos. Se entrena la correcta posición de la lengua y el cierre labial. Se indican ejercicios de deglución y una alimentación saludable como parte de la terapia. • Fase 3: se instala otro dispositivo de silicona rígida para lograr estabilidad de las estructuras, ganando el paladar libre. Todos los dispositivos cuentan con una guía para la correcta ubicación de la lengua. Restaurar los patrones funcionales saludables es un requisito imprescindible en todo tratamiento de Ortodoncia. Tanto más favorable será si iniciamos el tratamiento en las fases más tempranas en que se diagnostican los Desórdenes Miofuncionales Orofaciales (DMO). Desórdenes Miofuncionales de los músculos y funciones de la cara y la boca Los DMO pueden afectar, directa o indirectamente, la lactancia materna, el crecimiento y desarrollo del esqueleto facial, la masticación, la deglución, el habla, la oclusión, la cinemática de la articulación temporomandibular, la higiene bucal, la estabilidad del tratamiento de Ortodoncia, la estética facial, etcétera. Con la terapia miofuncional, un paciente puede recuperar la alegría de comer, hablar, respirar e incluso dormir más profundamente, y además las mejoras cosméticas pueden ayudar a recuperar la confianza y la autoestima de los pacientes.

OMT (Orofacial myofunctional therapy), is definitely an interesting tool in nowadays, offering a higher range of treatment for both adults and children's… The Myofunctional orthodontics bases its diagnosis and treatment goals, by approaching the patient comprehensively from the macro to the micro, taking the body as a whole and the mouth as an expression of functional imbalances. The bones are slaves to the muscles, if the function not be recovered, it will compromises the stability of form. The aim of this article is to share the potential of preformed devices worked in three Phases •Phase 1: A device of soft silicone to relax the muscles and recover nasal breathing; •Phase Phase 2: reinforced silicone to stimulate the transversal development of the arches along with lip-tongue postures and swallowing exercises, even taking a healthy eating as part of the therapy. •Phase In a Phase 3: Another device of rigid silicone to achieve stability of the structures, gaining the free palate stands out, and all devices have a guide for the correct location of the tongue. Restoring healthy functional patterns is an essential requirement in all orthodontic treatments, even more if we help them from earlier stages of their OMDs (Orofacial Myofunctional Disorders), of the muscles and functions of the face and mouth. OMDs may affect, directly and/or indirectly, breastfeeding, facial skeletal growth and development, chewing, swallowing, speech, occlusion, temporomandibular joint movement, oral hygiene, stability of orthodontic treatment, facial esthetics, and more. We are completely aware that with myofunctional therapy, a patient can regain the joy of eating, speaking, breathing, and even sleeping more soundly, and also cosmetics improvements can help restore confidence and self's teams of our patients

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PURPOSE: The Awake Breathing Pattern Assessment (ABPA) is a prototypical clinical grid recently designed through an international consensus of Speech and Language Pathologists (SLPs) to categorize the awake and habitual breathing pattern during the orofacial myofunctional assessment. This cross-sectional study aims to explore the psychometric properties of the ABPA in a preschool population. METHODS: 133 children from 2;11 to 6 years old were assessed with the ABPA. The percentage of time spent breathing through the mouth was objectively measured by a CO2 sensor and used as a baseline measurement. We first performed a multivariate Latent Profile Analysis based on the CO2 measurement and a parental questionnaire to define the number of categories that best characterize the breathing pattern. Subsequently, we assessed the intra- and inter-rater reliability, internal consistency criterion validity, construct validity and sensitivity and specificity. RESULTS: The awake breathing pattern can best be described by two groups: nasal and mouth breathing. The ABPA, initially designed in three groups, was adjusted accordingly. This final version showed excellent intra-rater and inter-rater reliability. There was a significant correlation between the ABPA and the CO2 measurement. The ABPA showed a fair sensitivity and a good specificity. CONCLUSION: The reference tool based on CO2 data was used in children for the first time and was found to be reliable. The ABPA is a suitable tool for SLPs to confirm the diagnosis of mouth breathing in preschool children if more sensitive screening tools, like parental questionnaires, are used beforehand.

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PURPOSE: To investigate oropharyngeal structures and functions in a pediatric population with Down Syndrome (DS) and obstructive sleep apnea (OSA) and to correlate with the apnea/hypopnea index (AHI) and sleep questionnaires. METHODS: 12 Children with DS and OSA, between the age of 4 and 12 years old, underwent polysomnography (PSG); sleep questionnaires, Pediatric Sleep Questionnaire (PSQ) and Obstructive Sleep Apnea-18 (OSA-18); and speech-language evaluation using the Short Evaluation of Orofacial Myofunctional Protocol (ShOM). RESULTS: There was a positive correlation between ShoM higher scores and the apnea-hypopnea index (AHI) and between ShoM and the number of hypopneas. The orofacial myofunctional alterations observed in the studied group were: oral breathing, alteration in lip tonus and competence, tongue posture at rest and in swallowing, and occlusal alteration. There was also an increased risk for OSA according to the sleep questionnaires, as well as the presence of obesity and overweight, but without correlation with the severity of OSA. CONCLUSION: All DS children show alterations in orofacial characteristics, higher scores being associated to severe OSA. Orofacial myofunctional evaluation may help to identify different phenotypes in Down syndrome children with Obstructive sleep Apnea, enhancing the need for a multidisciplinary approach.

OBJETIVO: Investigar as estruturas e funções orofaríngeas de uma população pediátrica com Síndrome de Down (SD) e apneia obstrutiva do sono (AOS) e correlacionar com o índice de apneia/hipopneia (IAH) e questionários do sono. MÉTODO: 12 Crianças com SD e AOS, entre 4 e 12 anos, foram submetidas à polissonografia (PSG); questionários do sono, Pediatric Sleep Questionnaire (PSQ) e Obstructive Sleep Apnea-18 (OSA-18); e triagem fonoaudiológica por meio do Short Evaluation of Orofacial Myofunctional Protocol (ShOM). RESULTADOS: Verificou-se uma correlação positiva entre pontuações mais elevadas no ShOM e o índice de apneia hipopneia (IAH) e entre o ShOM e número de hipopneias. As alterações miofuncionais orofaciais observadas no grupo estudado foram: respiração oral, alteração no tônus e competência labial, na postura de língua em repouso e na deglutição e alteração oclusal. Verificou-se também, um risco aumentado para AOS conforme os questionários do sono, bem como presença de obesidade e sobrepeso, mas sem correlação com a gravidade da AOS. CONCLUSÃO: Todas as crianças apresentaram alterações miofuncionais orofaciais, sendo que escores mais altos no ShOM, ou seja, um maior comprometimento miofuncional orofacial, estavam associados à maior gravidade de AOS, sugerindo que a avaliação miofuncional orofacial dentro de uma abordagem multidisciplinar pode auxiliar na identificação de fatores de risco para AOS em crianças com SD.

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PURPOSE: To present a method for analyzing breathing modes with infrared thermography. METHODS: This exploratory cross-sectional study used 38 thermal images of inspiration and expiration with nasal breathing and simulated mouth breathing in four nasal breathers without respiratory complaints. Three different data selection forms (line, rectangle, and ellipse) were used to extract the minimum, mean, and maximum temperatures of the regions of interest (nose and mouth) using the FLIR Tools® software. RESULTS: Among the three selection forms, there was greater temperature variability obtained with the line, revealing limitations in this measurement. There were no differences between the rectangle and ellipse values, showing that both selection forms present similar temperature extraction results. The comparison results between nose and mouth temperatures during inspiration and expiration indicated a statistically significant difference between all measurements, except for mean inspiration temperatures with the rectangle and ellipse. The breathing mode can be distinguished in both inspiration and expiration when using mean mouth temperatures with the rectangle and ellipse. CONCLUSION: Breathing modes should be assessed based on mean mouth temperatures during inspiration, using the ellipse.

OBJETIVO: Apresentar um método de análise do modo respiratório por meio da termografia infravermelha. MÉTODO: Estudo transversal exploratório de 38 imagens térmicas que representavam o momento da inspiração e da expiração durante a respiração nasal e durante a simulação da respiração oral de quatro voluntárias respiradoras nasais sem queixas respiratórias. Para a extração da temperatura das regiões de interesse (nariz e boca) foram utilizadas três formas de seleção distintas de dados (linha, retângulo e elipse) e três medidas de temperatura (mínima, média e máxima) por meio do software FLIR Tools®. RESULTADOS: Dentre as três formas de seleção houve maior variabilidade nas medidas obtidas pela linha, revelando limitações nessa medida. Não houve diferenças entre as medidas do retângulo e elipse, mostrando que ambas as formas de seleção apresentam resultados semelhantes para a extração das temperaturas. Na comparação entre as temperaturas do nariz e da boca na inspiração e expiração, os resultados indicaram que houve diferença com relevância estatística em todas as medidas realizadas, exceto para as medidas de temperatura média da inspiração, usando o retângulo e a elipse. Percebe-se diferenciação do modo respiratório tanto na inspiração quanto na expiração quando utilizada a temperatura média da boca com o retângulo e a elipse. CONCLUSÃO: Sugere-se para avaliação do modo respiratório a avaliação da boca, por meio da elipse, com análise da temperatura média durante a inspiração.

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Este estudo avaliou, em curto prazo, mudanças após a expansão rápida da maxila em pacientes respiradores bucais e correlacionou esses achados com a qualidade de vida dos pacientes. Este estudo teve como objetivo avaliar se a expansão rápida da maxila (ERM) está associada à melhora na qualidade de vida pós-tratamento. Foram avaliadas 35 crianças (média de idade 10,3 anos) com respiração bucal com hipoplasia maxilar. Os sintomas subjetivos foram avaliados por questionário padronizado de qualidade de vida, respondido pelos pacientes e seus pais ou responsáveis legais pré e pós-ERM. As condições respiratórias subjetivas do pré-tratamento apresentaram melhora significativa seis meses após a ERM. Concluiu-se que a ERM promoveu melhora na qualidade de vida dos pacientes com respiração bucal e hipoplasia maxilar (AU)

This study evaluated short-term changes after rapid maxillary expansion in mouth breathing patients and correlated these findings with their quality of life. This study aimed to evaluate whether rapid maxillary expansion (RME) is associated with improved post-treatment quality of life. Thirty-five mouth breathing children (mean age 10.3 years old) with maxillary hypoplasia were evaluated. Subjective symptoms were assessed by a standardized quality of life questionnaire, answered by patients and their parents or legal guardians before and after RME. Pre-treatment subjective respiratory conditions showed significant improvement six months after RME. It was concluded that RME improves the quality of life for patients with mouth breathing and maxillary hypoplasia (AU)

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The aim of the present study was to investigate predictors of malocclusion in Brazilian schoolchildren eight to ten years of age based on a causal directed acyclic graph model. A cross-sectional study was conducted with 739 schoolchildren eight to ten years of age. Parents/guardians provided information on sleep disorders of the child (Sleep Disturbance Scale for Children) and family characteristics (Family Adaptability and Cohesion Evaluation Scale). The diagnosis of malocclusion was performed by four trained examiners using the Dental Aesthetic Index. Control variables were selected using a directed acyclic graph. Descriptive analysis was performed, followed by robust logistic regression analysis for complex samples (α = 5%). The following variables were associated with malocclusion in the final model: sleep disorders (OR = 2.61; 95%CI: 2.43-2.86), mouth breathing (OR = 1.04; 95%CI: 1.02-1.99), non-nutritive sucking habits (OR = 2.45; 95%CI: 2.37-4.85), and obesity (OR = 1.54; 95%CI: 1.02-2.33). Sociodemographic characteristics, family functioning, and premature tooth loss did not remain associated with malocclusion. Sleep disorders, mouth breathing, sucking habits, and obesity are predictors of malocclusion in schoolchildren eight to ten years of age.

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AIM: To evaluate the effects of rapid maxillary expansion (RME) on nasal patency in mouth breathing (MB) children with maxillary atresia due to or not due to allergic rhinitis (AR) associated with asthma. METHODS: Fifty-three MB children/adolescents (aged 7-14 years) with mixed or permanent dentition and maxillary atresia participated, with or without unilateral or bilateral crossbite. They formed the groups: RAD (AR + asthma; clinical treatment, RME); RAC (AR + asthma; clinical treatment, no RME); and D (mouth breathers; RME only). RAD and RAC patients received topical nasal corticosteroid and/or systemic H1 antihistamine (continuous use) and environmental exposure control. All were evaluated before RME (T1) and 6 months after (T2) with the CARATkids score, acoustic rhinometry, and nasal cavity computed tomography (CT). Patients RAD and D underwent RME (Hyrax® orthopedic appliance). RESULTS: A significant reduction in the CARATkids score occurred in the RAD (-4.06; p < 0.05), similarly when patient and parent/guardian scores were evaluated (-3.28 and -3.16, respectively). Acoustic rhinometry (V5) showed increased nasal volume in all groups, significantly higher in RAD patients than in RAC and D (0.99 × 0.71 × 0.69 cm3, respectively). CT of the nasal cavity documented increased volume in all three groups, with no significant differences between them. CONCLUSION: In MB patients with AR, asthma, and maxillary atresia, RME increased nasal cavity volume and improved respiratory symptoms. However, it should not be used as the only treatment for managing patients with respiratory allergies.

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PURPOSE: mouth breathing (MB) has detrimental effects on children's growth. Diagnosis of MB is possible through a multidisciplinary approach including Speech-Language Pathologist's (SLP) assessment; however, SLPs currently have little to no defined selection criteria to determine the awake and habitual breathing pattern. This study aims at identifying relevant criteria for the assessment of the habitual and awake breathing pattern of preschool children, and developing a grid that would help SLPs diagnose MB in their clinical practice. METHODS: A three-rounded online international Delphi process was conducted to achieve a consensus on the relevant items and their interpretation. Agreement was established through a Content Validity Ratio calculation. Based on the agreed items, we developed a grid through a scoring function. RESULTS: Observing the child at rest (i.e., time spent with an open/closed mouth and position of the tongue/lips) was considered the most important criterion. The experts also considered that observing the breathing pattern while chewing (open/closed mouth) and after swallowing (i.e., air intake and open/ closed mouth just after swallowing) should provide relevant but secondary information in decision-making. We were able to establish a clinical grid based on those criteria. CONCLUSION: The Delphi procedure provided content-valid criteria and conditions of observation for the myofunctional SLP assessment of the awake and habitual breathing pattern in preschoolers. A clinical validation of the developed prototype grid should be conducted in preschool children to explore its effectiveness in the diagnosis of MB.

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INTRODUCTION: Halitosis is a term that defines any odor or foul smell the emanates from the oral cavity, the origin of which may be local or systemic. One of the causes of local or oral halitosis is low salivary flow and dry mouth, which is also one of the complaints of individuals with the mouth-breathing habit. The aim of this study is to determine the effectiveness of antimicrobial photodynamic therapy (aPDT) and the use of probiotics for the treatment of halitosis in mouth-breathing children. METHODS: Fifty-two children between 7 and 12 years of age with a diagnosis of mouth breathing and halitosis determined through an interview and clinical examination will be selected. The participants will be divided into 4 groups: Group 1-treatment with brushing, dental floss and tongue scraper; Group 2-brushing, dental floss and aPDT applied to the dorsum and middle third of the tongue; Group 3-brushing, dental floss and probiotics; Group 4-brushing, dental floss, aPDT and probiotics. The use of a breath meter and microbiological analysis of the tongue coating will be performed before, immediately after treatment and 7 days after treatment. The quantitative analysis will involve counts of colony-forming bacteria per milliliter and real-time polymerase chain reaction. The normality of the data will be determined using the Shapiro-Wilk test. Parametric data will be submitted to analysis of variance and nonparametric data will be compared using the Kruskal-Wallis test. The results of each treatment in the different periods of the study will be compared using the Wilcoxon test. DISCUSSION: Due to the low level of evidence, studies are needed to determine whether treatment with aPDT using annatto as the photosensitizer and blue led as the light source is effective at diminishing halitosis in mouth-breathing children.

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