Evaluation of the effects of finish line type and width on the fracture strength of provisional crowns.

This study aimed to investigate the impacts of finish line type and width on the fracture resistance of provisional crowns, and to determine the suitable type of crown material to use for that purpose. Chamfer and rounded shoulder preparations were done with stainless steel master models with a width of 0.6 mm and 1.

Evaluation of the accuracy of the mechanical torque wrench by the number of uses and ratchet type.

Purpose: To evaluate the accuracy of mechanical torque rachet types based on the number of uses.

Methods: A total of 25 ratchets, including three frictional- and two spring-type torque ratchets from every mechanical torque ratchet group, were used in our study. A digital torque measurement device was used in assessing the efficiency of mechanical torque ratchets.

Spectrophotometric Evaluation of Anterior Maxillary Tooth Color Distribution According to Age and Gender.

Purpose: To determine the effects of age and gender on the color distribution of the right maxillary central, lateral incisors, and canine teeth.

Materials And Methods: The tooth color was measured using the VITA Easyshade V spectrophotometer with a total of 202 volunteers (89 men, 113 women). The age distribution in this study was between 15 and 70 years old (average: 31).

Is there a relation between dental anxiety, fear and general psychological status?

Background: Dental anxiety is a widespread problem in many populations. This problem can be a barrier to dental care and may lead to poor oral health. Dental anxiety may be related to psychological status.