Background: Although implants have shown to have a high success rate, clinicians are also called upon to encounter numerous complications and failures. Among the numerous reasons of failures, peri-implantitis is reported to account for 10% of the failures. As the oral cavity provides a natural habitat for various micro-organism due to its non-shedding surface, there is some evidence that gram-n...

A study of the implant to abutment connection is of paramount importance as it is the primary determinant of the strength and stability of the implant supported restoration, which in turn determines the restoration’s prosthetic stability. Traditionally, the Branemark's external hexagon has been widely used but its significant complications like abutment screw loosening, rotational misfit at imp...

BACKGROUND: The inconsistency of the congruence surface implantabutment interface leads to impaired communication implant shaft with oral cavity, breakdown structure, including implant, and changes in occlusal relationships because axial displacement.
 AIM: This study aimed investigate degree displacement abutments made relative implants analogs. Specific tasks were as follows: (1) make va...

introduction: the aim of this descriptive cross-sectional study was to assess the general dental practitioners (gdps)’s knowledge regarding the emergency management of traumatic dental injuries (tdi) in isfahan, iran. methods and materials: in this study a two-part questionnaire consisting of 14 questions was distributed among 241 gdps. part 1 included seven questions focusing on personal and p...