Experimental study on autotransplantation of costochondral graft in the defects in temporomandibular joint
- VernacularTitle:带软骨肋骨行颞颌关节区移植后生长及其影响因素的动物实验
- Author:
Baohua XU
;
Zongdao SHI
;
Zulong ZENG
- Publication Type:Journal Article
- Keywords:
Costochondral;
Autotransplantation graft;
Tem poromandibular joint;
Animal experiment
- From:
Journal of Practical Stomatology
2000;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To observe the effects of autotransplantatio n of costochondral graft in the defects in temporomandibular joint. Methods: Twenty New Zealand white rabbits aged 3 months were div ided into 4 groups: the animals in group A received autotransplantation of 4 mm costochondral graft and in group B received that of 1 mm after excision of the disk, condyle and upper part of the ramus. The rabbits in group C received the same excision operation without graft transplantation as surgical controls and those in group D were used as healthy controls. Samples of temporomandibula r joint were obtained and examined by X-ray cephalometry and histopathology. Results: Cephalometric measurements revealed that height of the mandibles on left side was significantly shorter than that on right sid e in group B and C(P
