牙体牙髓牙周病学杂志
牙體牙髓牙週病學雜誌
아체아수아주병학잡지
Chinese Journal of Conservative Dentistry
2015年
8期
487-491
,共5页
P90粘结系统%极固宁%Gluma脱敏剂%牙本质过敏症
P90粘結繫統%極固寧%Gluma脫敏劑%牙本質過敏癥
P90점결계통%겁고저%Gluma탈민제%아본질과민증
3M P90 system adhesive%Green OrTM%Gluma desensitizer%dentinhypersensitivity
目的:观察3M P90粘结系统对离体牙牙本质小管的封闭效果. 方法:选取新鲜离体磨牙制备牙本质敏感症模型87个,随机分为3个实验组( n=24 )和1个空白对照组( n=15 ) ,实验各组分别涂擦P90粘结系统、极固宁、Gluma脱敏剂,对照组涂擦蒸馏水,每组随机抽取3个牙本质块纵劈, SEM观察脱敏剂渗入深度.从各实验组分别随机抽取脱敏后的牙本质模块9个,经冷热循环和刷牙磨耗实验后,SEM观察牙本质小管口封闭情况,计算堵孔率. 结果:P90粘结系统、极固宁、Gluma脱敏剂渗入深度(μm)分别为60~100、20~30、60~100.堵孔率(%)100、87. 88、77. 53(P<0. 005). 在冷热循环和刷牙磨耗实验后堵孔率(%)分别为100、55. 56、43. 77 (P<0. 005).结论:P90粘结系统封闭效果及耐久性优于极固宁和Gluma脱敏剂.
目的:觀察3M P90粘結繫統對離體牙牙本質小管的封閉效果. 方法:選取新鮮離體磨牙製備牙本質敏感癥模型87箇,隨機分為3箇實驗組( n=24 )和1箇空白對照組( n=15 ) ,實驗各組分彆塗抆P90粘結繫統、極固寧、Gluma脫敏劑,對照組塗抆蒸餾水,每組隨機抽取3箇牙本質塊縱劈, SEM觀察脫敏劑滲入深度.從各實驗組分彆隨機抽取脫敏後的牙本質模塊9箇,經冷熱循環和刷牙磨耗實驗後,SEM觀察牙本質小管口封閉情況,計算堵孔率. 結果:P90粘結繫統、極固寧、Gluma脫敏劑滲入深度(μm)分彆為60~100、20~30、60~100.堵孔率(%)100、87. 88、77. 53(P<0. 005). 在冷熱循環和刷牙磨耗實驗後堵孔率(%)分彆為100、55. 56、43. 77 (P<0. 005).結論:P90粘結繫統封閉效果及耐久性優于極固寧和Gluma脫敏劑.
목적:관찰3M P90점결계통대리체아아본질소관적봉폐효과. 방법:선취신선리체마아제비아본질민감증모형87개,수궤분위3개실험조( n=24 )화1개공백대조조( n=15 ) ,실험각조분별도찰P90점결계통、겁고저、Gluma탈민제,대조조도찰증류수,매조수궤추취3개아본질괴종벽, SEM관찰탈민제삼입심도.종각실험조분별수궤추취탈민후적아본질모괴9개,경랭열순배화쇄아마모실험후,SEM관찰아본질소관구봉폐정황,계산도공솔. 결과:P90점결계통、겁고저、Gluma탈민제삼입심도(μm)분별위60~100、20~30、60~100.도공솔(%)100、87. 88、77. 53(P<0. 005). 재랭열순배화쇄아마모실험후도공솔(%)분별위100、55. 56、43. 77 (P<0. 005).결론:P90점결계통봉폐효과급내구성우우겁고저화Gluma탈민제.
AIM:To observe the sealing effect and durability of the 3M P90 adhesive systems on dentin tu-bule. METHODS:87 fresh isolated molars were selected to set up detin sensitive models and radomly divided into 3 experimental groups(n=24) and 1 control group(n=15). The samples in the experimental groups were trated with 3M P90 adhesive system, Green OrTM and Gluma desensitizer respectively by inunction on the surface of the teeth, those in the control group were treated with equal volume of distilled water. The infiltration depth of desensitizer was examined by SEM. The closure of dentin tubules was observed by SEM before and after thermal cycling treatment and tooth brushing experiment. And hole blocking rate of dentin blocks was measured. RESULTS: The penetration depth (μm)of 3M P90, Green OrTM and Gluma desensitizer was 60~100, 20~30 and 60~100 respectively; the blocking rate(%)was 100, 87. 88 and 77. 53 respectively (P<0. 05);after thermal cycling and tooth brushing experiment the blocking rate(%)was 100,55. 56 and 43. 77(P<0. 05)respectively. CONCLUSION:3MP 90 adhesive system is more effective than Green OrTM and Gluma desensitizer in sealing dentinal tubule.
