比较盘钻法与冲顶法行上凳窦内提升同期种植体植入效果的实验分析

《比较盘钻法与冲顶法行上凳窦内提升同期种植体植入效果的实验分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、(2)X．Rayshowedthattheendo-sinuspartoftheimplantsontheexperimentalsidewascloselysurroundedbythebonegrafts，presentinghemisphericalbumps，whilethebonegraftsweremainlylocatedabovetherootterminaloftheimplantsonthecontrolside．(3)TheperforationratiosofgroupA，BandC

2、were3．33％、3．33％、6．67％respectivelyontheexperimentalside，withnosignificantdifferencebetweeneachother．Onthecontrolside，theperforationratiosofgroupA，BandCwere3．33％、3．33％、6．67％respectively,andtheperforationratioofgroupCwassignificantlydifferentfromthatofgroupAa

3、ndB，whiletherewasnosignificantdifferencebetweenthatofgroupAandB．TheperforationratioofgroupContheexperimentalsidewassignificantlydifferentfromthatonthecontrolside，whileforgroupAandB，therewasnosignificantdifferencebetweenthetwosides．(4)Theimplantstability(IS

4、Q)ofgroupA，BandCwere75．41士5．90、72．48士5．36、63．25士6．86respectivelyontheexperimentalside，andtheISQofgroupCwassignificantlydifferentfromthatofgroupAandB，whiletherewasnosignificantdifferencebetweenthatofgroupAandB．Onthecontrolside，theISQofgroupA，BandCwere73．33+

5、6．13、67．14士5．10、49．68士6．87respectively,andtherewassignificantdifferencebetweeneachother．TheISQofgroupBandContheexperimentalsideweresignificantlydifferentfromthatonthecontrolside，whileforgroupA，therewasnosignificantdifferencebetweenthetwosides．(5)Bonefragme

6、ntsseparatedfromthesinusfloorbyDSRtookonadissociativedisciformshape，witharegularandsmoothrim．Bycontrast，bonefragmentsonthecontrolsidewereirregularinshape，withacuminatecusps．Conclusions：Withinthelimitsofthepresentstudy,itcallbeconcludedthat：(1)Theanatomical

7、andhistologicalstructuresofmaxillarysinusmembraneingoatsaresimilartothoseinhumans．Goatcallbeconsideredasanapplicableanimalmodelformaxillarysinusfloorelevation．(2)DisciformbonefragmentseparatedfromthesinusfloorbyDSRhelpstoreducetheriskofmembraneperforation，

8、andtoovercomesomedisadvantagesofosteotome，suchasblindnessandsufferingcausedbystriking．(3)TheDSRcandeliverbonegraftsdeepinsidethehole，andscatterthemevenlyaroundtheimplants，contributingtoincreasetheprimarystabi