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Material for Palatal Implant Visualized in X-ray

ZHANG Tianxiang1,2,WANG Jian1,CHEN Liang1,FU Xiaoyan1(1.Department of Otolaryngology,Guangzhou General Hospital of Guangzhou Military Area Command of Chinese PLA,Guangzhou 510010,China;2.Guangzhou Medical college,Guangzhou 510182)  
To investigate the developing effect under X-ray of a new polymer palatal implants material used in treatment of obstructive sleep apnea-hypopnea syndrome(OSAHS).The cylindrical palatal implant was made of Hydroxyapatite and Poly(lactide-co-trimethylene carbonate)(HA-P),adding barium sulphate(BaSO4),to be implanted in vivo.This palatal implants material could be displayed clearly under X-ray.During the experiment,there are not obvious inflammations.Because of the visualizing characteristic of the palatal implants material,it is convenient to check the position and degradation degree of the material after surgery and it has good biocompatibility.
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