Prevalence of apical periodontitis and quality of root canal treatment in an adult Saudi population.

To determine the health status of periradicular tissue and the quality of root canal fillings in an adult Saudi population attending dental clinics for the first time. Methods: This cross sectional study was conducted  in the dental clinics at King Saud University, Riyadh and other dental centers (Jeddah, Najran, and Albaha City), Kingdom of Saudi Arabia between year 2010   and 2012. Good-quality panoramic radiographs of 926 Saudi subjects (540 males and 386 females)were analyzed based on the gender, age, health status, smoking habits, periapical status of the endodontically treated teeth, technical quality of the root canal fillings, and the presence or absence of coronal restoration.

Tactile working length determination for root canal therapy in underserved settings.

Design: Multicentre randomised controlled clinical trial in a rural underserved African setting.

Intervention: The technical and electrical infrastructure still remains unstable in Gambia. Therefore, block randomisation was chosen.