[Experimental study on the effect of tooth movement with thin and thick aligners in rabbits].

Purpose: To explore the effect of tooth movement on lower incisors of rabbits with thin and thick aligners.

Methods: A group of 6 male New Zealand rabbits were randomly divided into 2 groups, the experimental group(n=3) was designed to move the lower incisors distally by 3 steps with thin and thick aligners(0.625 and 0.

[Clinical effect of modified alveolar cleft repair with bone grafting].

Purpose: To evaluate the clinical effect of improved alveolar cleft repair with bone grafting.

Methods: Forty one cases with alveolar cleft treated by modified operation between 2008-2016 were included. The modified techniques were as follow: incision design, preparation of bone graft bed, bone removal and bone grafting, etc.

[The diagnosis and treatment of arsenic trioxide induced necrosis of jaws: report of 10 consecutive cases].

Purpose: To discuss the diagnosis and treatment of necrosis of jaws caused by leakage of arsenite trioxide, and to emphasize the consequences of its use.

Methods: Ten cases of arsenical necrosis of the jaws from Jan, 2009 to Jun, 2014 treated in our department were collected and analyzed, with emphasis on the key points of diagnosis and treatment.

Results: Diagnosis was based on medical history, clinical examinations, X-ray findings, and preoperative or intraoperative cone-beam CT (CBCT) scans.