Morphological Evaluation of Maxillary Premolar Canals in Iranian Population: A Cone-Beam Computed Tomography Study.

Statement Of The Problem: A thorough knowledge of the morphological and anatomical variations of root canal system can help identify all root canals, adequate instrumentation, and consequently leads to a successful endodontic treatment. The knowledge of root morphology can influence the outcome of root canal therapy.

Purpose: The aim of this study was to investigate the morphology of maxillary premolar canals in Iranian population by analyzing cone-beam computed tomography (CBCT) scans.

Comparative study of the diagnostic value of panoramic and conventional radiography of the wrist in scaphoid fractures.

Background: Scaphoid fractures are the most common type of carpal fractures.

Objectives: The aim of the study was to compare the diagnostic value of panoramic and conventional radiographs of the wrist in scaphoid fractures.

Patients And Methods: The panoramic and conventional radiographs of 122 patients with acute and chronic wrist trauma were studied.