The effects of distalization of upper molars by improved pendulum appliance.;

Clinical evaluation of endodontically treated molars restored with amalgam or composite;

A comparative study on the efficacy of repairing molar defects with amalgam post and core restorations and cast post and core restorations.;

Clinic application of Ni-Ti rotary instruments combined with ultrasonic instruments to root canal preparation of molars in elderly people;

Applied research of hand ProTaper Niti instruments in root canal therapy of molars;

Split dowel crown restorations of residul root and crown of molars in the aged;

Root canal filling and curative effects of molar teeth in middle and elderly people;

Objective To explore the application method for dental implant machine in autogenous molar teeth transplanta- tion and evaluate the clinical effects.

Little is known about the evolutionary trends of the coniform paraconodonts.