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1、无牙颌剩余牙槽嵴丰满组与非丰满组间下颌骨和髋部骨密度的…北京医科大学JOURNALOFBEllINGMEDICALUNIVERSITYVol32No1Feb.2000④,I无牙颌剩余牙槽嵴丰满组与非丰满组间下颌骨和髋部骨密度的比譬周采胜,周书敏.徐军李国珍,薛兰/,●-_.__.～__..●_一(1.北京医科大学口腔医学院修复科,北京100081;2.北京市积水潭医院)[美t谲】_E亚置j骨鸯堡;牙槽骨骨毒失;髋[摘要】_■:观察无牙颌患者剩余牙槽培丰满组与非丰满组间下镁骨和髋部骨密度的差别;探讨导致严重剩余牙槽嵴吸收的危险因素.方耻:将60岁以上男性和绝经后盘性无牙领患者依据下颌剩余牙槽嵴吸
2、收程度分为丰满组和非丰满组;采用双能x线吸收法.测量全部研究对象右侧髋部与左懊l下预角的骨密度;在同性别组内对比丰满组和非丰满组间下龋角和髋部骨密度的差别.借暑:非丰满组下领角和髋部骨密度显着低于丰满组和有牙镁对照组{丰满组髋部骨密度与有牙颌对照组差异无显着性,下颤角骨密度则显着低于有牙颌对照组.■备:严重剩余牙槽嵴吸收患者可能具有全身和局部骨密度降低的危险背景.[中田分类号】R780.2[文t标识码】A[文章缩号】1000—1530一(2000)01—0057.04Thecomparisonofbonedensitiesofmandibleandcoxofemorolregionbetwee
3、nwell-roundedridgegroupandatrophiedridgegroupinedentulouspatientsZHOUYong一eng1,ZHOUShu—Min.,XUJunI,LIGuo-ZhenI.XUEyah2(1DepartmentofPr~thodontics,scofStomatoto~,BiMedkalUniversity,Beijing100081,China2BeijingJishuitanHospita1)KEYWORDSMandible;Bonedensity;Atveolarboneloss~HipABSTRACTObjective:Toobserv
4、ethediffereneesofboneminerfldensity(BMD)ofmandibleandcoxofemoralregionbetweenwell-roundedridgegroupandatrophiedridg~groupinedentulouspatients,andtofindtheriskfactorscontributingtosevereresidualridgeresorption(RRR).Methods:Theedentulouspatientsofsenilemalesandpostmenopaosalfemaleswereselected.A1lthee
5、dentuloussubjectsweredividedintotwogroupsaccordingtothedegreeofRRRotmandibles:well-roundedridgegroOpandatrophiedridgegroup;TheBMDofmandibularangleandcoxofemoralregion(femoralnecktrochanter,.andwardstriangle)ofallsubjectsweremeasuredbydualenergyX-rayabsorptiometry(DXA).TheBMDwerecomparedbetweenwell-r
6、oundedridgegroupandatrophiedridgegroupinthesamesexgroup.Results:Atrophiedridgegroophadlowerbonedensityofmandibularangleandeoxofemoralregionthanwell?roundeddgegroupanddentatecontrols;WeU?roundedridgegrouphadlowerbonedensityofmandibularanglethandentatecontrols,buttherewasnodifferenceofBMDofcoxofemoral
7、regionbetweenthesetwogroups.Conclusion:EdentulouspatientswithsevereresidualridgeresorptionmayhaveosteoDoroticstatusintheirbodies.(J&ijingMedUniv.2000,32:57.60)由于无牙颌剩余牙槽嵴吸收(residualridgeresorptioh,
