OBJECTIVE:The purpose of this study was to determine the root canal initial taper of mandibular second premolars by using Micro-computed tornography(MCT),reveal the characteristics of initial taper and investigate the influence of age on the taper of the canal.

Root canal treatment of mandibular first premolar with 3 root canals: A case report

Objective To investigate the efficiency of different angle projection radiograph in diagnosing multiple canals of mandibular first premolars.

AIM:To determine the root canal initial taper of mandibular first premolars by use of digital X-ray system and stereomicroscope,which can contributed to design the shape of preparation instruments and select the instrument s taper during root canal therapy.

The root canals in mandibular first premolars failed to be treated;

Morphology of root canal orifice in mandibular second molars by dental operating microscope;

Significance of roots' outline on mandibular second molars

Construction of the three-dimensional finite element model of the mandibular second molar C-shaped canal root system

Clinical Exploration of Root Canal Preparation of C-shaped Canals in Mandibular Second Molars;

Clinical diagnosis and treatment of root canal system of mandibular second molars;

The morphology of roots and canals in the C-shape mandibular second molars;

Objective To investigate the displacements and the stress distributions of a mandibular second molar.