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1、环状植骨术同期牙种植临床效果短期观察[摘要]目的观察环状植骨术后的临床效果并总结其手术操作要点。方法15例牙槽骨量严重不足的患者接受环状植骨术并同期植入种植体,术后5个月后行上部修复。分别于术前和术后4个月拍摄锥形束CT,测量牙槽骨增加的高度和唇舌侧骨吸收量。冠修复后4〜6个月对其牙龈附着水平、牙间乳头分级和牙周探诊深度(PD)进行测量分析,统计骨环的成活率及种植体的存留率,同时观察术后并发症并了解患者的满意度。结果术后4个月复查,骨环成活率为94.4%,种植体的存留率为100%;增加的垂直骨量为(6.06±1.
2、06)mm,骨吸收量为(1・33±0・84)mm;种植体颈部中心唇舌向的骨宽度为(6.94土0.73)mmo冠修复后4〜6个月随访时,增加的垂直骨量为(5・62±1.03)mm,骨吸收量为(1・51±1・02)nun,种植体颈部中心唇舌向的骨宽度为(6.77±0・72)mmo种植牙和邻牙的PD无明显差异(P>0.05)。术后无明显的并发症,修复效果好,患者满意度高。结论环状植骨术同期植入种植体,手术操作相对容易,疗程缩短,近期效果可靠,远期效果有待进一步观察。[关键词]骨环;即刻种植;自体骨移植[中图分类号]R7
3、83[文献标志码]A[doi]10.7518/hxkq.2014.01.010Short-termevaluationofclinicaleffectofboneringgraftingandimmediateinsertionLiangJinl,2,JiangBaoqil,2,LanJingl,2,HuangHaiyunl,2,ZhuZhenkunl,2,WenYongl,2,MaXiaonil,2,XuXinl,2.(1.Dept.ofImplantology,SchoolofSto-matology,Sha
4、ndongUniversity,Jinan250012,China;2.ShandongProvincialKeyLaboratoryofOralBiomedicine,Jinan250012,China)[Abstract]ObjectiveToobservetheshort-termclinicaleffectivenessofboneringgrafttechniqueandtosummarizethekeypointsofrelatedsurgicaloperationtoprovidecomprehen
5、siveclinicalguidelines.MethodsFifteenpatientswithseverealveolarboneabsorptionwereselectedtoreceiveboneringgraftingandimmediatedentalimplant・Finalfixedprostheseswerecementedfivemonthsafterinitialimplantation.ConebeamCTscanswereconductedonallsubjectsbeforethepr
6、ocedure,aswellasfourmonthspost-operationtoevaluatealveolarboneheightandlevelofboneheightandabsorptionaroundtheimplants.Fourtosixmonthsafterprosthesisinstallation,eachimplant'sJemtclassification,gingivaattachment,andprobingdepth(PD)wereanalyzed・Thedifferenceof
7、PDbetweenimplantsandadjacentteeth,aswellasthedifferenceoftheboneabsorptionbetweenlabialandlingualsides,wascompared・Thesurvivalrateoftheboneringandtheretentionrateofimplantswerecalculated.Complicationsandpatientsatisfactionwerealsoinvestigated.ResultsBonegraft
8、survivalratewas94.4%anddentalimplantationretentionratewas100%fourmonthspost-operation.Averagebonelevelincreasewas(6.06+1.06)mm,averageboneabsorptionwas(1.33+0.84)mm,andaveragebonethicknes