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Resumo O objetivo deste relato de caso é descrever o tratamento ortodôntico realizado em uma paciente de 15 anos, sexo feminino, com má oclusão Classe II, Divisão 1, com aparelho Carriere Motion 3D (ACM), seguido de aparelhos fixos completos. O exame intraoral mostrou uma má oclusão de Classe II, Divisão 1, com overbite de 1 mm e overjet de 3,5 mm. O arco superior com morfologia triangular e o mandibular parabólico, além da ausência da coroa clínica do primeiro molar inferior direito. O tratamento iniciou com a utilização simultânea do ACM e de uma contenção Essix para ancoragem do arco mandibular. Nesse período, elásticos de Classe II foram empregados durante 5 meses, obtendo-se a relação molar e canino de Classe I. Posteriormente, bráquetes metálicos MBT .022" foram utilizados em ambas as arcadas. Os resultados demonstraram estabilidade ao longo de um período de dois anos de acompanhamento, com satisfação da paciente (AU)

Abstract The aim of this case report is to describe the orthodontic treatment performed on a 15-year-old female patient, with Class II, Division 1 malocclusion, using the Carriere Motion 3D appliance (ACM) followed by full fixed appliances. The intraoral examination showed a Class II, Division 1 malocclusion, with 1 mm overbite and 3.5 mm overjet. The maxillary arch had a triangular morphology and the mandibular arch was parabolic, in addition to the absence of the clinical crown of the right mandibular first molar. Treatment began with the simultaneous use of ACM and an Essix retainer for anchoring the mandibular arch. During this period, Class II elastics were applied for 5 months, achieving Class I molar and canine relation. Subsequently, MBT .022" metal brackets were used on both arches. The results demonstrated stability over a two-year follow-up period, with patient satisfaction (AU)

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Background: This study aimed to investigate whether the alignment of the teeth while smiling alters the visual perception by laypeople using eye tracking. Methods: Facial images (two males and two females) were digitally edited to show a smile pattern with aligned teeth and one with crowded teeth. Sixty laypeople were selected to observe the images. The number of fixations, fixation duration, and time until the first fixation were recorded using an eye-tracking system. The results were qualitatively calculated with dot maps. Numerical data were analyzed using an independent Student's t test. Results: There were no significant differences in fixation duration and the number of fixations in the crowded smile, mainly that of the male. The fixation times for the teeth were significantly different when the participants viewed the male subjects with a crowded smile (P<0.05). Dot maps showed greater attention to the smile with crowded teeth in both genders. Conclusion: The crowded maxillary incisor smile attracted more visual attention to males from laypeople.

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BACKGROUND: Many patients choose health professionals using the Internet, whether through websites or social media. In orthodontics, an orthodontist's relationship with active and potential patients can be affected by social media interactions, both as a marketing tool and as a tool for providing educational information. The purpose of the present study was to analyze the public perception of professional credibility and willingness to become a client, based on images posted by orthodontists on Instagram. METHOD: This was a cross-sectional study performed using a digital self-administered questionnaire based on images from public Instagram profiles of orthodontists found using certain hashtags. The themes of the posts were analyzed through a qualitative analysis, and the results were expressed as categories. After analyzing 2445 images, 12 thematic categories emerged. A total of 446 individuals (225 laypeople, 66 dental students, and 155 dentists) evaluated the images in regard to the perception of professional credibility and willingness to become a client. One-way ANOVA and chi-square tests were applied, considering a 5% significance level. RESULTS: It was found that more than 95% of the participants used social media, primarily Instagram, WhatsApp, and Facebook, and the social network most used to research health services was Instagram. Statistically significant differences were found in the mean value of perceived professional credibility between the groups (p < 0.05) for the following categories: "dental traction," "mini-implant mechanics," "before and after treatment," "aesthetic brackets," "metallic brackets," and "clear aligners." The categories "being a teacher" and "before and after treatment" had a higher impact on the participants' perception of credibility and willingness to become a client, unlike the "social relationship" and "family relationship" categories. CONCLUSIONS: Some of the themes found in the orthodontists' social media posts were found to influence the perceptions around professional credibility and willingness to become a client, although there were differences among the participants in the present study.

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Resumo A agenesia de um incisivo inferior, além de causar um problema estético, pode gerar inclinações indesejáveis dos dentes, desvio da linha média inferior e aumento do overjet e overbite, além de uma discrepância de Bolton. O objetivo deste trabalho é apresentar uma abordagem de tratamento interdisciplinar realizado em um paciente jovem do sexo masculino com agenesia do incisivo central inferior esquerdo. Foi realizada abertura de pequenos espaços entre os incisivos inferiores com molas abertas. A distribuição dos espaços para reanatomização dos incisivos inferiores com resina composta corrigiu a discrepância de Bolton e proporcionou resultados estéticos e funcionais com overjet e overbite adequados.(AU)

Abstract Agenesis of a mandibular incisor, besides causing an esthetic problem, can generate undesirable teeth inclinations, lower midline deviation and increased overjet and overbite, in addition to a Bolton discrepancy. The objective of this paper is to present an interdisciplinary treatment approach performed in a young male patient with a mandibular left central incisor agenesis. The opening of small spaces between mandibular incisors was performed with coil springs. Space distribution for reshaping mandibular incisors with composite upturned the Bolton discrepancy and provided aesthetic and functional results with adequate overjet and overbite (AU)

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OBJECTIVE: This study aimed to identify the predictors of perceived stress and quality of life (QoL) among graduate dental faculty. METHODS: This cross-sectional study was conducted using a representative sample of 348 dental faculty members from master's and doctoral programs in Brazil. Data were collected using self-administered questionnaires between August and December 2018. QoL was assessed using the multidimensional World Health Organization Quality of Life assessment (WHOQOL-BREF). Perceived stress was assessed using the Perceived Stress Scale (PSS). Participant sociodemographic characteristics served as the independent variables. The data were subjected to linear regression analysis. RESULTS: Women obtained higher PSS scores and lower QoL scores (P < 0.05). There was a negative correlation between perceived stress and all 4 QoL domains. Multivariate analysis revealed that a combination of the independent variables (i.e., sex, age, sleep duration, dual employment, medication intake due to work, and leisure time) explained 32% of the variance in perceived stress. Regarding QoL, perceived stress, sleep duration, and medication intake due to work explained 50%, 58%, 27%, and 40% of the variance in the physical health, psychological, social relationships, and environment domain scores, respectively. Sex (i.e., female) and medication intake due to work predicted higher levels of perceived stress. In contrast, age, sleep duration, dual employment, and leisure time were associated with lower levels of perceived stress. CONCLUSION: Perceived stress and medication intake due to work had a negative effect on QoL, whereas sleep duration had a positive impact on QoL.

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Anterior open bite malocclusion is generally associated with several causes. This case report describes the 2-phase treatment of a 13-year-old boy with a Class III malocclusion, severe anterior open bite, and bilateral posterior crossbite treated without surgical intervention. An orthopedic approach was performed in phase 1 with a hyrax-type palatal expander, followed by maxillary protraction with a facemask for a 10-month period to promote the correction of transverse and sagittal deviations. In phase 2, a comprehensive orthodontic approach using fixed preadjusted appliances associated with intermaxillary elastics was performed. These approaches, combined with good patient compliance, established a functional and esthetic occlusal relationship, normal overjet and overbite, and a well-balanced facial appearance. The 4.5-year follow-up indicated that treatment results were stable.

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INTRODUCTION: An adolescent girl, aged 12 years 11 months, was evaluated for orthodontic treatment. Her chief complaints included a difficulty with keeping her lips passively closed and excessive gingival exposure upon smiling. Her treatment plan included (1) restriction of maxillary growth with cervical headgear, (2) extraction of the maxillary first premolars to reduce the maxillary protrusion and the mandibular second premolars to facilitate Class II dental correction, and (3) management of maxillary incisor intrusion via anchoring with mini-implants. When indicated, even in the absence of large space discrepancies, extractions can be beneficial to the patient. The final results showed an attractive smile, passive lip seal, and a more esthetic and balanced facial profile. Retention records confirmed the stability of the treatment. The 5-year follow-up visit revealed that the treatment results were quite stable.

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Introdução A mordida aberta anterior (MAA) deve ser prevenida e interceptada em idade precoce, preferencialmente na dentição mista, para se estabelecer um ambiente adequado para a estabilidade dos resultados em longo prazo¹. O posicionamento anterior da língua em repouso, deglutição atípica com interposição lingual e hábitos deletérios como a sucção digital são descritos como fatores etiológicos comuns da MAA²,³. Existem outras condições possivelmente ensejadoras da MAA, incluindo crescimento vertical severo, respiração predominantemente bucal e sucção dos lábios². A prevalência da MAA na dentição mista é de 17,7% e a sua etiologia é multifatorial4. Quando ela resulta principalmente da posição anormal da língua, recomenda-se o tratamento ortodôntico2,3,5,6. Os esporões linguais corrigem o comportamento e a postura da língua, proporcionando a interceptação com o fechamento progressivo da MAA por reflexo proprioceptivo, promovendo uma posição superior da língua em repouso e estabilidade dos resultados 2,3,6. Neste "point of view" será descrita uma técnica simples de confecção e adesão direta de esporões linguais para a interceptação da MMA, que pode ser executada numa única consulta.(AU)

Introduction The anterior open bite (MAA) must be prevented and intercepted at an early age, preferably in mixed dentition, to establish an appropriate environment for long-term stability of results¹. The anterior positioning of the tongue at rest, atypical swallowing with lingual interposition and deleterious habits such as digital sucking are described as common etiological factors of MAA²,³. There are other possible conditions for MAA, including severe vertical growth, predominantly mouth breathing and lip sucking². (AU)

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