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时间:2020-05-15
《颧骨颧弓联合下颌角整形术对颞颌关节髁突及Spee曲线的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、34中国美容医学2015年6月第24卷第11期ChineseJourna1ofAe8theticMedicine.Jun.2015.Vo1.24.N0.11·颌面美容··论著·颧骨颧弓联合下颌角整形术对颞颌关节髁突及Spee曲线的影响张强,郭悦承,郭军(1.扬州市第一人民医院颌面外科江苏扬州225000;2.南京医科大学江苏南京210029)[摘要]目的:探讨颧骨颧弓联合下颌角整形术后颞颌关节髁状突及Spee曲线的变化。方法:随机选取颧骨颧弓肥大合并下颌角肥大者59例,于术前、术后1Od、术后6个月分别做三维cT检查,并对颜面部进行三维测量,采用口检验(New
2、man—KeulS法)进行方差分析。结果:术前、术后1Od及术后6个月,两例髁状突内外侧间距均未发生改变。术前与术后10dSpee曲率半经之间比较,差异无统计学意义;术后6个月与术前、术后1OdSpee曲率半经之间比较,差异有统计学意义(P<0.05),术后6个月Spee曲率半径较前降低。结论:颧骨颧弓联合下颌角整形术前后髁状突内外例间距未发生改变,据此推测髁状突未发生内收、外展。由于术后咬合肌群形态和下颌骨边缘都发生了改变,Spee曲线也随之发生了适应性变化。Spee曲线的变化提示咬合关系发生了一些改变,但有无临床意义需要进一步研究。[关键词]截骨术;口颌肌
3、群;成像;三维[中图分类号]R782[文献标志码]A[文章编号]1008-6455(2O15)11-0034-04TheeffectofzygomacombinedwithmandibularangelplasticsurgeryontheTMJcondyleandSpeecurveZHANGQiang',GUOYue—cheng2,GUOJun’(1.DepartmentofOralandMaxillofacialSurgery,YangzhouFirstPeopleSHospital,Yangzhou225000Jiangsu,China;2.Nanjin
4、gMedicalUniversity,Nanjing210029,Jiangsu,China)Abstract:0bjectiveToobservetheTMJcondyleandSpeecurvechangesafterzygomacombinedwithmandibularangelosteotomyplasticsurgery.MethodsWerandomlyselected59caseswhoownedprominentzygomaandmandibularangle,screeningperiodontaldisease,temporomandib
5、ulariointpainandpartiaIiaw.Allofthemdidthree-dimensionalCTscanbeforethesurgeryandat1Odays,6monthsafterlhesurgery,thenmeasuredthedistancebetweenbothsidesofthecondyleandthespeecurveradius.Theqtest(Newman-Keulsmethod1wereusedtoanalysisofvariance.ResuItsPre—operation,10daysand6monthsaft
6、ersurgery,therewasnoneofthebothsidesofthecondyleexteriorandinteriordistancechangesfP>0.05).Speecurvewasnosignificantdifferencebetweenpreoperativeand10daysaftersurgery(P>0.o5),whileitsradiusreducedat6monthsaftersurgeryandcurvatureinoreased(P<0.05).ConclusionThecondyleexteriorandinter
7、iordistancearenotchanges,SOwemayindicatethatthecondylarsareneitheradductionnorabduction,pOstOperativeIy.FormusclesocclusalmorphologyandtheedgeOfthemandiblewerebothchangedaftersurgery,SOspeecurvehappenedadaptivechangesaswel1.Speecurvechangessuggestive0focclusalrelationshiphassomechan
8、ged,butwhetherwithc
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