Evaluation of the Factors and Treatment Options of Separated Endodontic Files Among Dentists and Undergraduate Students in Riyadh Area.

Introduction: Separation of endodontic files during root canal treatment is a common multifactorial problem facing most of dental practitioners both dentists and students that has high impact on treatment and prognosis outcome.

Aim: To compare the incidence, factors and treatment options of separated endodontic files among dentists and undergraduate students in Riyadh area.

Materials And Methods: A survery of 35-questionnaire was formulated and e-mailed to all 149 dentists of different dental specialties who are working in different clinical centers in Riyadh area and are attending the 26(th) Saudi Dental Society International Dental Conference in addition to 130 undergraduate students in different dental colleges in Riyadh.

Evaluation of Extraradicular Diffusion of Hydrogen Peroxide during Intracoronal Bleaching Using Different Bleaching Agents.

Objectives. Extra radicular diffusion of hydrogen peroxide associated with intracoronal teeth bleaching was evaluated. Methods.