江西成年人群下颌骨体副孔解剖位置的锥形束ct研究

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1、江西成年人群下颔骨体副孔解剖位置的锥形束CT研究柯星李博涵南昌大学附属口腔医院口腔颌面外科江西省口腔生物医学重点实验室摘要：目的应用锥形束CT(CBCT)观测江西成年人群下颂骨体副孔的分布位罝，为临床安全操作提供依据。方法选取200份江丙成年人的CBCT资料，按年龄分为4组，每组男女比例相等。描述下颂骨前牙、前磨牙和磨牙各区域的副孔数0和分布位置，分析年龄、性别和左右侧因素与副孔发生率的关系。结果发现下颌骨体副孔共1123个，人均(5.62±2.10)个。副孔发生率自近中区域向远中降低，舌侧副孔发生率高于颊侧，男女性副孔数目无差异

2、(P=0.195)，年龄与副孔数目呈负相关(rS=-0.301)。下颌骨体三处副孔高频区域为:正中联合部(98.0%),中、侧切牙牙槽突舌侧(88.0%),前磨牙区的低位(55.0%)。结论下颌骨副孔每人均会出现，临床需留意避免损伤副孔N容物而引起并发症。关键词：下颌骨;副孔;锥形束CT;下颌解剖;作者简介：柯星，住院医师，硕士,E-mail:kexindewo@foxmail.com作者简介：陈林林，教授，硕士，E-mail:oral_surgery@sina.com收稿日期：2017-01-17基金：江西省卫计委科技计划(20

3、151951)AconebeamcomputedtomographystudyontheanatomicalpositionofaccessorymandibularforaminainJiangxiadultsKeXingLiBohanChenLinlinJiangXindiDept.ofOralandMaxillofacialSurgery，AffiliatedStomatologicalHospitalofNanchangUniversity，TheKeyLaboratoryofOralBiomedicine，Jiangxi

4、Province;Abstract：ObjectiveThisstudyusedconebeamcomputedtomography(CBCT)toaccessthedistributionandpositionofaccessorymandibularforaminainthemandibularbodyofJiangxiadults,andsomesafetyrulesofoperationforclinicswereprovided.MethodsTwohundredCBCTimagesubjectsofJiangxiadu

5、ltswereselected,whichweredividedinto4groupsbyagewiththesamesexratio.Thenumberandpositionofaccessorymandibularforaminainmandibularanteriorteeth,premolarsandmolarsregionweredescribedandtherelationshipbetweenaccessorymandibularforaminaincidenceandfactorsofage，genderandla

6、teralwereanalyzed.ResultsAtotalof1123accessorymandibularforaminawerefound,withameanof5-62±2.10perperson.Theaccessorymandibularforaminaincidencedecreasedfromthemesialregiontothedistal,andthelingualwashigherthanthebuccal.Therewasnosignificantdifferenceinthenumberofacces

7、sorymandibularforaminainmaleandfemale(P=0.195).However,thenumberofaccessorymandibularforaminawasnegativelycorrelatedwithage(rs=-0.301).Threehighestfrequencyregionsofaccessorymandibularforaminaweremandibularsymphysisarea(98.0%),lingualalveolarareaoflowermedial(88.0%)an

8、dlateralincisorsandinferiorareaoflingualpremolar(55.0%).ConclusionAccessorymandibularforaminaarewidelypresentedinthebodyofev