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Erythema multiforme is a mucocutaneous disease characterized by the acute appearance of blisters and ulcers, with or without oral involvement. In this report, a 12-year-old female patient presented with extensive ulcerative lesions on the upper and lower lips, with painful symptoms and areas of bleeding and suppurat...

Objective: To evaluate the transmittance (%T) and color difference (ΔE*) of six zirconia core materials compared to alumina, over eight colored substrates before and after ceramic application. Methods: Experimental groups (n=5) of standardized disk-shaped cores of alumina, white zirconia, medium-colored zircon...

Objectives: To evaluate the tooth bleaching effectiveness of a 6% hydrogen peroxide paint-on varnish with two different types of soft-tissue protection materials. Methods: Twenty patients were screened according to inclusion and exclusion criteria, submitted to professional dental prophylaxis, and randomly allocated...

Objectives: To study the epidemiological distribution of the disease lichen planus and its therapeutic management. Methods: A total of 174 patients with a lichen planus diagnosis between 2008 and 2017 at a Portuguese public hospital were included in this retrospective study. The following data were collected from c...

Objective: This study retrospectively correlated metallic cast retainers’ length with the quality of the remaining apical sealing. Methods: A total of 320 periapical radiographs were analyzed by two independent, calibrated examiners. The retainers’ length was classified as adequate, short, and long (2/3,...