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O coronavírus desafiou profissões e sistemas de saúde em todo mundo. O papel dos profissionais da odontologia na prevenção da transmissão da covid-19 é extremamente importante, pois eles estão expostos a aerossóis da cavidade oral de pacientes que podem conter vários microrganismos patogênicos. O atual momento proporcionou mudanças na odontologia, ocasionando uma alteração expressiva na forma de atendimento, na rotina e na utilização de equipamento de proteção individual (EPI) de forma adequada e segura dentro de um consultório odontológico. O objetivo deste artigo foi orientar o profissional sobre a biossegurança na odontologia e a importância do uso correto de EPI na prevenção de autoinfecção ou disseminação da covid-19 em épocas de pandemia. As bases de dados PubMed, LILACS, SciElo e Bireme serviram de pesquisas para os termos “infecções por coronavírus”, “odontologia” e “biossegurança”. Os critérios de escolha dos artigos foram a forma de transmissão do novo coronavírus e as maneiras de prevenir a disseminação do vírus dentro do consultório odontológico publicados no período de 2004 até junho de 2020. Conclui-se que os profissionais de odontologia desempenham importante papel na prevenção da transmissão da covid-19 através de uso correto de EPI, do uso de agentes antimicrobianos na cavidade oral e do manejo adequado na triagem dos pacientes.

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El objetivo es abordar la importancia del uso de la toxina botulínica para corregir la sonrisa gingival, demostrando la satisfacción del paciente, aunque el efecto sea temporal y reversible, evitando procedimientos invasivos. Se realizó un levantamiento bibliográfico en las bases de datos PubMed, LILACS y Bireme, los términos utilizados en la investigación fueron: sonrisa gingival y toxina botulínica o sonrisa gingival y estética. Los criterios de inclusión fueron una revisión de literatura de casos clínicos de pacientes con sonrisa gingival publicados entre 2015 y mayo de 2019. Esta revisión aborda la aplicación de la toxina botulínica para devolver una sonrisa armoniosa y hermosa al paciente, ya que es una alternativa viable, eficiente, menos invasiva y segura. La práctica de la aplicación de toxina botulínica puede ser un complemento útil para mejorar la estética y mejorar la satisfacción del paciente en relación a la sonrisa gingival sin realizar procedimientos invasivos, es decir, cuando está debidamente indicado, pudiendo reemplazar o agregar procedimientos quirúrgicos.

Concern about appearance and the importance of an attractive smile is well established in modern society. A healthy aesthetic standard satisfies anyone regardless of sex, age, or social class. The growing interest of patients for a better aesthetic appearance, associated with the significant development of new restorative materials and wide dissemination in the media of this concept of beauty, led to changes in the concepts of dental treatment. This work aimed to demonstrate through a clinical case how biotechnology can help in treatments in a minimally invasive way. For this, a total of 34 articles were analyzed in full, however, 17 were included and discussed in this study. The literature reviews used and the observation of random studies was from the Bireme, PubMed, SciElo, and LILACS databases. It can be concluded in this clinical case that the success of aesthetic treatment is closely linked to the correct indication and knowledge of the dental surgeon in different products on the market, in addition to using it correctly, taking into account the patient's desire.

There is a complex relationship between the stomatognathic system and the rest of the organism. One of the components of the temporomandibular joint, allows opening movements, closure, retrusion, and protrusion beyond the laterality of the mandible, being one of the complex joints of the human body and may suffer systemic or local changes. This study aims to verify the prevalence of some parafunctional habits in dentistry students at UNIFEB and demonstrate the need for early diagnosis, guidance and awareness to reduce possible damage to the stomatognathic system. This is an observational, transverse, descriptive and quantitative study to investigate a relation of some parafunctional habits in 106 students of the dentistry course aged between 18 and 33 years. We used questionnaires filled out by the researcher himself and, after this filling, the students were submitted to clinical examination to identify signs and sequels caused by parafunctional habits. The data collected were recorded in a clinical file and compared with the questionnaire data. The results obtained in the questionnaire, after analysis, showed that the variable that presented the highest percentage was of the students who support the chin with hands 64.15% (n=68). In relation to the other habits investigated, 52.86% (n=56) had teeth clenching, nail-gnawing 33.96% (n=36), teeth grinding and chewing on the cheek or tongue 29.25% n=31), the students who bite the lip 26,42% (n=28) and the one with the lowest index were those who bite some object 12,26% (n=13), besides that there was an association of habits in several students. In the clinical examination, it can be concluded that there was a high prevalence of parafunctional habits among these students, however, the most observed habit was bruxism, both in its centric and eccentric form. Due to the difference between the data of the questionnaire and those of the clinical examination, it was evident that the student does not have the perception of all the parafunctional habits that he presents, thus demonstrating the need for early diagnosis, orientation and awareness to reduce possible damages to the system stomatognathic.

Introduction: Trigger Points are manifestations usually founds in clinical practice, related to muscle tone alterations e to the miofascial pain syndrome and when active can induce pain, both in the point of origin and in distant places to specific areas (referred pain). They are sensitive points present in tense musculatures, which mechanics stimulations tease an answer which is pain. Among the treatments to the desactivation of this point, there is the dry needling, that consists in acupuncture needles injections in the point, aiming its deactivation.

Introduction: In the scenario of dental enamel hypoplasia, Molar Incisor hypomineralization (MIH) represents qualitative enamel developmental defects. The prevalence of MIH is approximately 13% worldwide. In addition, children affected by MIH undergo dental treatment on their first permanent molars nearly ten times as often as children without MIH. Objective: It was to carry out a systematic review of clinical studies on the use of ICON® in dental enamel hypoplasia, to discuss the advantages of this resin in patients. Methods: The present study followed a systematic review model, following the rules of systematic review – PRISMA. The search strategy was performed in the PubMed, Cochrane Library, Web of Science and Scopus, and Google Scholar databases. The quality of the studies was based on the GRADE instrument and the risk of bias was analyzed according to the Cochrane instrument. Results and Conclusion: A total of 122 articles were found. A total of 46 articles were fully evaluated and 25 were included in this study. Based on recent findings in the literature, the aesthetic results of ICON® infiltration proved to be effective, both in visual qualitative and quantitative spectrophotometric assessment. Furthermore, the infiltration of ICON® positively influenced the maintenance of the structural integrity of teeth affected by MIH, reducing the risk of enamel breakage. It also proved to be a minimally invasive treatment for tooth discoloration, less aggressive than conventional procedures. In addition to masking enamel white spot lesions, resin infiltration can involve residual enamel crystallites forming a hybrid enamel layer. Regarding the highest penetration and the highest percentages of penetration area, ICON® proved to be better than other resins such as Biscover LV (Bisco), Optiguard (Kerr Hawe), and Permaseal (Ultradent).