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1、口内进路改良下颁升支矢状劈开矫治偏颌畸形临床应用与分析安徽医科大学第三附属医院门腔科,合肥,230061;.安徽皖南医学院附属门腔医院,芜湖,241000【摘要】FI的探讨面部下份不对称畸形的临床矫治方法,提高临床治疗不颌骨偏颌畸形的疗效。方法收集2012.7-2016.1期间7例成人下颌骨偏颌畸形病例,通过门内进路不颂骨升支矢状劈开改良手术矫治,总结临床治疗效果。结果术后随访2个月-36个月,6例患者偏颂畸形得到明显矫形,咬合恢复,张闭门功能正常,不颂骨截骨区愈合良好,口闪创口均一期愈合,无严重K牙槽
2、祌经损伤症状并发症。1例因术前正畸未做术后咬合不佳,经术后正畸治疗咬合恢复正常。结论通过门A切门下颌骨升支矢状劈开改良手术矫治下颌骨偏颌畸形疗效明显,手术创伤小,恢复正常咬合,【关键词】下颌骨;偏颌畸形;矢状劈开;术后正畸TheclincalanalysisandobservationofsagittalsplitramusosteotomyimprovingsurgicaltreatmentforpartialmicromaxillarydeformityinsidethemouthChenXiaoy
3、ang,ChenChuanjun,WangJunminDeprtmentofOralandMaxillofacialSurgery,theThirdAffiliatedHospital,AnhuiMedicalUnivercity,Hefei230061,China[Abstract]ObjectiveTodiscusstheclinicaltherapeuticmethodofmandibularasymmetrydeformity,Toimprovetheclinicaltreatment.Meth
4、odsFromJune2012toJanuary2016,Clinicaldataof5caseswithmandibularasymmetrydeformitywerereviewed,thepatientsunderwentsagittalsplitramusosteotomysurgicaltreatmentinsidethemouth.,andthetreatmentefficiencywassummarized.Results2-36monthsafteroperation,6cases&rs
5、quo;woundswerehealedbyfistintension,partialmicromaxillarydeformitywereobviouslycured,occlusalrestoration,asilentfunctionisnormal.themandibleosteotomyareahealedwell,noseriouscomplicationofinferioralveolarnerveinjurysymptoms.1case’biteisbadbecasehisp
6、reoperativeorthodonticsdidnotwork,hadnormalocclusionafterorthodontictreatment.ConclusionThroughtheoperationofsagittalsplitramusosteotomyinsidethemouth,Patialcorrectionmandibularjawmalformationapparenteffect.Operationscarislittle,restorenormalocclusion.[K
7、eywords]Mandible;partialjawdeformity;sagittalsplit;postoperativeorthodontics随着人们生活水平的不断提升,容貌美的重要性不言而喻,尤其是颌面部对称及轮廓标记更是首当其冲。这里探讨一面下1/3的常见畸形一下颂不对称畸形的临床矫治方法。笔者收集5例病例(2012—2016)资料,均是成人下颌偏斜畸形伴咬合错乱,采用口内进路改良下颌骨升支矢状劈开矫治畸形临床治疗效果明显,手术并发症较少,有立杆见影之功效,现总结如下:1资料和方法1.1一
8、般资料本组共7例患者,男性5例,女性2例;18-30岁,患者均为偏颂畸形,一例伴开合畸形,二例伴颞下颂关节弹响。1.2手术方法及步骤1.2.1术前准备术前摄颂骨全景片及颂骨定位侧位X片(图1、图2),三例年龄不到20岁的患者摄双侧颞下颌关节ECT以明确颂骨的矢状位置及骨畸形诊断,了解髁突发育的对称性与有无终止。术前正畸(图3)主要是矫治牙列拥挤和排齐牙列;去除代偿、矫治合曲线、协调牙弓宽度和形态、去除牙咬合干扰(不是必须进行正畸,临床视咬合