Objective:The aim of this study is to investigate the effect of implantation tooth extraction wound to prevent atrophy of alveolar ridge with particulate hydroxylapatite artificial bone.

Objective: The experiments were carried out to certify whether the transport disc with tooth extraction wound can reconstruct the segmental mandibular defects by Transport Distraction Osteogenesis in dogs.

Experimental study of nano-hydroxyapatite/collagen composite in repairing dental extraction wounds;

The effect of aloe mastic on promoting wound healing affer tooth extraction in animal model;

we randomly selected 39 cases of diabetic patients who had been extracted teeth,and immediately collected extravasate from extracted teeth trauma.

Analysis of hemorrhage reason after tooth extraction operation on 204 patients;

Clinical analysis on 306 cases of tooth extraction under electrocardiographic monitoring in the aged with cardiovascular diseases;

Observation and analysis of EEG monitoring of OMI patients during tooth extraction;

Clinical application of unconventional tooth extraction in orthodontic treatment;

Changes in soft-tissue profile after orthodontic treatment with teeth extraction in class Ⅰ bimaxillary protrusion patients;

The effect of orthodontic extraction treatment on facial aesthetics;