Clin Oral Investig:使用脱敏牙膏4周对牙本质小管的封闭效果评估:一项临床随机试验

2017-04-12 MedSci MedSci原创

这篇研究的目的是为了比较在使用或不使用脱敏牙膏4周后,硅橡胶印模材料是否可以精确的反应出牙本质小管封闭的变化,并且评估这种变化是否可以反应临床上牙本质过敏的程度。

这篇研究的目的是为了比较在使用或不使用脱敏牙膏4周后,硅橡胶印模材料是否可以精确的反应出牙本质小管封闭的变化,并且评估这种变化是否可以反应临床上牙本质过敏的程度。

这是一项随机的、单点单盲的通过两种治疗方式比对的临床试验。试验的受试者为健康成人(≥18岁),至少有一颗敏感牙齿伴随牙本质暴露,Schiff敏感度评分≥2,并且敏感牙齿模型通过扫描电镜观察所得的牙本质小管的封闭和开放评分为4-5。9名受试者使用Sensodyne? Rapid Relief (脱敏牙膏),10名使用Crest? Decay Prevention (非脱敏牙膏)。受试者每天刷牙2次,每次2分钟,共使用4周,随后再进行敏感度和封闭效果的测定。

结果显示,封闭效果和疼痛评分之间没有明显的关联性,而牙本质小管开放和封闭程度之间的相互关联性很强。使用非脱敏牙膏4周后,热RAS明显低于基准线;而其他所有疼痛评分在两组牙膏中均明显下降。在使用任何一种牙膏4周后,牙本质封闭效果也有一定的下降,但没有显着性差异(p = 0.0625)。

结论:两种牙膏均可以减轻临床敏感性,并增加牙本质小管的封闭效果。由此研究者们推测,在临床上使用一些材料剪断和封闭牙本质小管后,仍然会出现的敏感症状可能是假阳性反应。

临床相关性:这篇研究表明,硅橡胶印模材料可以精确的反应出牙本质表面及牙本质小管的封闭和开放程度;然而,虽然封闭和疼痛之间存在一定的正向关联,但是利用疼痛反应封闭程度的方法在应用于临床前还需要进一步研究。

原始出处

Seong J, Parkinson CP, et al. Randomised clinical trial to evaluate changes in dentine tubule occlusion following 4 weeks use of an occluding toothpaste. Clin Oral Investig. 2017 Apr 1. doi: 10.1007/s00784-017-2103-5.

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    2017-12-04 xiangyuzhou971
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1642316, encodeId=34341642316e3, content=<a href='/topic/show?id=fc7a6e56449' target=_blank style='color:#2F92EE;'>#牙本质小管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67564, encryptionId=fc7a6e56449, topicName=牙本质小管)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=22df22898970, createdName=ms1948154235210413, createdTime=Tue Oct 31 09:00:00 CST 2017, time=2017-10-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2050642, encodeId=6848205064244, content=<a href='/topic/show?id=95f8e042dd' target=_blank style='color:#2F92EE;'>#EST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7042, encryptionId=95f8e042dd, topicName=EST)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e9a6357, createdName=xiangyuzhou971, createdTime=Mon Dec 04 04:00:00 CST 2017, time=2017-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1890917, encodeId=6f80189091e88, content=<a href='/topic/show?id=84505e5207c' target=_blank style='color:#2F92EE;'>#效果评估#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=57520, encryptionId=84505e5207c, topicName=效果评估)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2ba9118, createdName=makuansheng, createdTime=Sat Oct 28 07:00:00 CST 2017, time=2017-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1797575, encodeId=f73c1e97575dd, content=<a href='/topic/show?id=6a5623080d7' target=_blank style='color:#2F92EE;'>#临床随机试验#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=23080, encryptionId=6a5623080d7, topicName=临床随机试验)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e07307, createdName=lingaifan, createdTime=Tue Apr 18 20:00:00 CST 2017, time=2017-04-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2020194, encodeId=84a3202019403, content=<a href='/topic/show?id=1584134451c' target=_blank style='color:#2F92EE;'>#Oral#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13445, encryptionId=1584134451c, topicName=Oral)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTIpeueeYB1kem1yfEZrSYKBdZBoqac9USf0RxIgRICBIyDn4licyiaiakNnobeCDVpvwqaWgwTNeLRHA/132, createdBy=bb5e2500127, createdName=小几洁, createdTime=Tue Nov 07 00:00:00 CST 2017, time=2017-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1441861, encodeId=567d144186141, content=<a href='/topic/show?id=67526e55924' target=_blank style='color:#2F92EE;'>#牙本质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67559, encryptionId=67526e55924, topicName=牙本质)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37364903098, createdName=ms8538335253054589, createdTime=Thu Apr 13 15:00:00 CST 2017, time=2017-04-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1512123, encodeId=c2f115121234a, content=<a href='/topic/show?id=cfd19846697' target=_blank style='color:#2F92EE;'>#随机试验#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98466, encryptionId=cfd19846697, topicName=随机试验)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1c3710444656, createdName=124985dbm09(暂无昵称), createdTime=Thu Apr 13 15:00:00 CST 2017, time=2017-04-13, status=1, ipAttribution=)]
    2017-11-07 小几洁
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