Dervis Emel, Tuncer Erman
Department of Maxillofacial Prosthodontics, University of Istanbul, Istanbul, Turkey.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2002 Nov;94(5):554-60. doi: 10.1067/moe.2002.128021.
The purpose of this study was to investigate alterations in signs and symptoms of temporomandibular disorders (TMDs) in patients undergoing orthognathic surgery compared with a healthy group.
Signs and symptoms of TMD in orthognathic surgery patients were evaluated before surgery, 1 week after removal of intermaxillary fixation, and 1 and 2 years after surgery by means of Helkimo's Anamnestic and Dysfunction Indexes. At initial and final examinations, signs and symptoms of TMD of orthognathic surgery patients were compared also with those of healthy patients. The lengths of condylar pathways during opening, medial, and protrusive movements in orthognathic surgery patients were evaluated with axiography.
A statistically significant reduction was noted for the TMD symptoms and signs 2 years after surgery compared with before surgery. At initial examination, orthognathic surgery patients did not report TMD signs and symptoms significantly more often than healthy subjects. At final examination, improvements in TMD symptoms of orthognathic surgery patients were found when compared with healthy subjects.
The results of this study suggested that functional status of temporomandibular joint can be improved with orthognathic surgery, but no association could be clearly shown between TMD symptoms and the type of dentofacial deformity.
本研究旨在调查正颌手术患者与健康组相比颞下颌关节紊乱病（TMD）体征和症状的变化。
采用赫尔基莫记忆和功能指数，在正颌手术患者术前、去除颌间固定1周后、术后1年和2年对TMD的体征和症状进行评估。在初次和末次检查时，还将正颌手术患者的TMD体征和症状与健康患者的进行比较。使用轴面断层摄影术评估正颌手术患者在开口、侧方和前伸运动过程中髁突路径的长度。
与术前相比，术后2年TMD症状和体征有统计学意义的降低。在初次检查时，正颌手术患者报告TMD体征和症状的频率并不显著高于健康受试者。在末次检查时，发现正颌手术患者的TMD症状与健康受试者相比有所改善。
本研究结果表明，正颌手术可改善颞下颌关节的功能状态，但TMD症状与牙颌面畸形类型之间未发现明显关联。
