Comparison of marginal and internal fit of pressed lithium disilicate veneers fabricated via a manual waxing technique versus a 3D printed technique.

Objective: The purpose of this in vitro study was to compare the marginal and internal fit of pressed lithium disilicate veneers fabricated from a 3D printed castable wax resin versus a manual waxing technique.

Materials And Methods: A typodont model central incisor was prepared for a porcelain veneer. Following stone model fabrication from a polyvinyl siloxane impression, the model was digitized using a laboratory scanner.

Psychological distress and its correlates among dental students: a survey of 17 Colombian dental schools.

Background: Links between the demanding nature of studies in the health sciences, students' personality traits and psychological distress have been well-established. While considerable amount of work has been done in medicine, evidence from the dental education arena is sparse and data from Latin America are lacking. The authors conducted a large-scale investigation of psychological distress among dental students in Colombia and sought to determine its curriculum and student-level correlates.

[Assessing young university students' behaviour regarding health].

Objective: Constructing a questionnaire for assessing university students' behaviour regarding health forming part of their life-styles and evaluating its psychometric properties.

Methods: A two-phases validation study was conducted; the first covered 1,485 students (63.2 % female) from four Colombian universities having a mean age of 20.