OLIVEIRA, E. R. de; MELÃO, M. de J. A. da S.; ALVES, E. Eficácia de diferentes tipos de escovas dentais na remoção do biofilme bucal. Arq. Cienc. Saúde UNIPAR, Umuarama, v. 20, n. 2, p, 101-109, maio/ago. 2016. RESUMO:Devido ao fato de o método mais indicado para remoção do biofilme bucal ser o mecânico, com a utilização da escova dental, buscou-se verificar as características das escovas dentais mais eficazes. Foram avaliadas as seguintes características: relação entre cabo haste e cabeça, com o intuito de verificar angulações, formato e tipo das cerdas, considerando tamanho e disposição dos tufos, bem como comparar a eficácia das escovas manuais e elétricas. O estudo foi realizado com 28 crianças em uma escola municipal da cidade de Umuarama-PR. Foram utilizados quatro tipos de escovas: escova de haste reta com cerdas regulares; escova de haste angulada com cerdas regulares; escova de haste angulada com cerdas irregulares e escova elétrica. Foram realizados a evidenciação do biofilme e o Índice de Higiene Oral Simplificado (IHOS) antes e após a escovação. Os diferentes tipos de escovas foram avaliados de acordo com a diferença entre o percentual de biofilme antes e após a escovação, bem como em relação à redução da classificação do IHOS. Nas diferentes análises, a escova de haste reta apresentou os melhores resultados. Em contrapartida, a escova elétrica apresentou resultados menos satisfatórios. Pode-se concluir que todas as escovas dentárias apresentaram potencial de redução do biofilme dentário, independentemente das características de sua haste, cerdas ou manuseio (manual ou elétrico). Contudo, os melhores resultados foram atribuídos à escova que apresenta a haste reta, que também possui cerdas regulares. PALAVRAS-CHAVE: Dispositivos para o cuidado bucal domiciliar. Escovação dentária. Higiene bucal. EFFECTIVENESS OF DIFFERENT TYPES OF DENTAL BRUSHES IN REMOVAL OF ORAL BIOFILMABSTRACT: Since the most effective method for the removal of oral biofilm is the mechanical one, with the use of a toothbrush, this study aimed to check the characteristics of the most effective toothbrushes. The following characteristics were analyzed: handle and head ratio, tuft layout, as well as a comparison between manual and electric toothbrushes. This work was conducted with 28 children in a public school in the city of Umuarama/PR. Four types of brushes were used: straight shank brush with regular bristles; angled stem with regular bristles; angled stem with irregular bristles; and electric toothbrush. The disclosure of oral biofilm and the Simplified Oral Hygiene Index (SOHI) before and after brushing were analyzed. The different kinds of brushes were evaluated according to the difference between the percentage of biofilm before and after brushing, as well as the reduction of SOHI. Straight shank brushes showed the best results in different analysis. On the other hand, the electric toothbrush brought the less satisfactory results. It was possible to conclude that all toothbrushes have shown potential for biofilm reduction, re...

Introduction Cementoblastoma is a rare and benign odontogenic mesenchymal tumor, often characterized by the formation of cementum-like tissue produced by neoplastic cementoblasts attached to or around the roots of a tooth. Case Report 22-year-old male patient was referred to the Federal University of Paraná after occasional finding on a routine panoramic radiograph. Clinical examination suggested no alterations. Medical and family history presented no alterations as well. Computed tomographic (CT) showed the presence of a radiopaque area associated with the roots of the impacted third molar measuring 15 mm × 10 mm inside the left maxillary sinus. The treatment plan suggested was to surgically remove it under general anesthesia. An intraoral approach was conducted, using the Newmann incision from the superior left first molar to the retromolar area with anterior and posterior relaxant incisions. Using a Caldwell-Luc access next to the maxillary tuberosity region, the maxillary sinus was exposed and the calcified mass attached to the roots of the tooth was reached. Pathological mass removed was sent for histopathological investigation. Examination revealed dense, mineralized, cementum-like material and vascular soft tissue areas that consisted of cementoblasts. One-year follow-up shows no recurrence and absence of symptoms.

The sialolith, also known as saliva stone or sialolithiasis is a calcified structure which develops inside the salivary ductal system or on the salivary gland parenchyma; it grows gradual, asymptomatic, and slowly. Most of the stones are sized less than 10 mm and only 7% of them are larger than 15 millimeters; those are considered giant salivary gland stones. Objective: This study aimed to report a case of two sialoliths that have merged, forming a giant sialolith, located in the Wharton duct in the left submandibular gland. Methods and Results: Clinical diagnosis was confirmed by occlusal and panoramic radiographs. A surgical removal was performed with intraoral incision under local anesthesia, through sialolith anchorage by suture thread and removal of two sialoliths, sized about 13 mm and 16 mm. Marsupialization suture was performed at the local where the incision was made, forming a new gland duct. Conclusion: The sialolithiasis treatment methods are very different and should be taken into account the affected gland, size and location of sialolith, always opting for the more conservative methods.

Introduction: The sialolith, also known as saliva stone or sialolithiasis is a calcified structure which develops inside the salivary ductal system or on the salivary gland parenchyma; it grows gradual, asymptomatic, and slowly. Most of the stones are sized less than 10 mm and only 7% of them are larger than 15 millimeters; those are considered giant salivary gland stones. Objective: This study aimed to report a case of two sialoliths that have merged, forming a giant sialolith, located in the Wharton duct in the left submandibular gland. Methods and Results: Clinical diagnosis was confirmed by occlusal and panoramic radiographs. A surgical removal was performed with intraoral incision under local anesthesia, through sialolith anchorage by suture thread and removal of two sialoliths, sized about 13 mm and 16 mm. Marsupialization suture was performed at the local where the incision was made, forming a new gland duct. Conclusion: The sialolithiasis treatment methods are very different and should be taken into account the affected gland, size and location of sialolith, always opting for the more conservative methods.