Clinical effects of atraumatic restorative treatment(ART) and its practicability in the prevention of dental caries in school children;

Observation of electric pulp testing scores of the permanent anterior teeth in children;

The clinical curative effect of vital pulpotomy of exposed pulp of permanent anterior teeth with fracture of crown;

Objective The aim of this study was to measure and analyze the anatomic characteristics of the pulp chamber of Chinese permanent anterior teeth radiographically.