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Introdução: A doença periodontal tem uma etiologia multifatorial e está entre as mais importantes condições de saúde bucal que afetam a população mundial. O tabagismo aumenta a prevalência de patógenos periodontais, dificultando o controle do biofilme dental e, consequentemente, deixando o hospedeiro mais susceptível à doença periodontal. Objetivo: Identificar o perfil periodontal dos usuários tabagistas e com necessidades especiais (diabéticos, renais crônicos e hipertensos) e a relação entre a quantidade e tempo de fumo com a condição periodontal. Material e Métodos: Foram examinados clinicamente 66 indivíduos e avaliados os parâmetros clínicos periodontais de profundidade de bolsa a sondagem e nível de inserção clínica com uso de sonda computadorizada e o número de sítios com sangramento a sondagem para o diagnóstico da doença periodontal. Além disso, os indivíduos responderam a um questionário com quatro perguntas que avaliava o perfil dos pacientes sobre o tipo de tabaco usado, tempo de tabagismo e o número de cigarros consumidos por dia. Resultados: 72,72% dos indivíduos examinados apresentaram diagnóstico de periodontite em estágios 3 e 4 de severidade. Não houve correlação positiva entre a média do tempo de tabagismo e a gravidade da doença periodontal. A média de sangramento a sondagem foi mais baixa nos indivíduos que consumiram mais de 10 cigarros por dia, quando comparado aos indivíduos que consumiram menos de 10 cigarros por dia. Não houve diferenças significantes entre os parâmetros clínicos de mobilidade dentária e profundidade de bolsa a sondagem em relação à quantidade de cigarros consumidos por dia. Conclusão: O tabagismo foi relacionado com a severidade da doença periodontal nos indivíduos avaliados.

Background: The periodontal phenotype (PP) plays an important role in the function, esthetics, and maintenance of periodontal health and has a great influence in periodontal, restorative, and dental implant therapies. Aim: The aim of this study was to conduct a clinical evaluation of the PP and its morphometric variations through the cone-beam computed tomography (CBCT), from dentistry students with periodontal health. Materials and Methods: Sixty students were examined, and the clinical parameters of probing depth and width of keratinized tissue (WKT) in the upper anterior segment were accessed. The gingival thickness was evaluated as thick or thin, through the translucency of the periodontal probe through the marginal gingiva. By convenience sample, 13 students were selected to assess bone thickness and gingival thickness and biological width through the previous CBCT examination. Results: The most prevalent PP, according to the classification by De Rouck et al., was the thick scalloped (55%), and using the classification of Kao and Pasquinelli, the thick PP was most common (73,3%). The thick PP in both the classifications was more prevalent in both genders and the WKT was significantly higher in the thick-flat scalloped PP. The bone thickness was always greater than the gingival thickness in CBCT examinations both in the measures 1 mm and 3 mm above the bone crest. The average of the biological width measurement was 2.02 mm. Conclusions: The thick PP was most prevalent in the sample studied, and the gingival thickness was always thinner than the bone thickness in the measures evaluated.

There has been a constant search for a definition of criteria of susceptibility to periodontal diseases in modern Periodontology, as it is of the greatest importance, since it enables improvements in prevention, early diagnosis, treatment and prognosis of this disease. It is in this context that this literature review was conducted, with the object of verifying whether there is a greater propensity to periodontal disease in individuals with systemic lúpus erythematosus, a chronic inflammatory disease, whose pathogenesis presents some characteristics similar to those of the pathogenesis of periodontal disease. The majority of existent studies about the subject have pointed towards the possible existence of such susceptibility. Nevertheless, the relationship between this autoimmune disease and periodontal disease has not yet been well established, and the mechanisms by which the systemic disease influences the periodontal health of patients affected with it are not yet clear. Further studies are required in order to affirm that individuals with systemic lúpus erythematosus are a group of risk for the development of periodontal disease, and in order to understand the mechanisms involved in this possible relationship of susceptibility.