J Periodontol:标准化大鼠模型炎症及移植对拔牙后愈合影响的实验研究

2017-08-17 MedSci MedSci原创

拔牙后牙槽嵴宽度和高度的吸收有详细记录,但评估骨嵴保护的模型既不规范也不具成本效益。这种大鼠模型描述了在局部使用或不使用辛伐他汀(SIM)的情况下拔牙和骨移植后骨转换和炎症的模式。

拔牙后牙槽嵴宽度和高度的吸收有详细记录,但评估骨嵴保护的模型既不规范也不具成本效益。这种大鼠模型描述了在局部使用或不使用辛伐他汀(SIM)的情况下拔牙和骨移植后骨转换和炎症的模式。

五十名育龄期后大鼠经吸入/局部麻醉下进行上颌第一磨牙拔除和标准手术缺损创建。每只动物的左侧作为对照。未治疗组(每组n = 8~9)在第0,7,14和28天,通过微电脑断层扫描,组织学和酶联免疫吸附测定比较牙槽嵴的宽度和高度,炎症和骨转换的标志物(方差分析,t检验) 。 另外的17个样本用骨矿化基质(BMM)或BMM + SIM结合物进行缺损移植。

结果:通过颊,腭和邻间隙高度(P <0.05)和嵴宽度(P <0.01)记录牙拔除引起的骨吸收(BL)。第1周炎症与嵴高度呈正相关;此后,更强烈的炎症反应与牙槽骨高度和密度的降低反应一致(r = 0.74; P <0.05; Spearman)。 BMM + SIM最大化地保留了邻间隙骨高度(P <0.01),嵴宽度和骨密度增加(P <0.01),提高了7天前列腺素E2(P <0.01),减少了28天炎症密度(P <0.05) )。

结论:本研究中使用的标准缺陷与人拔牙后牙槽骨吸收水平相似。缺损移植,特别是BMM + SIM,减少炎症和保留骨。

原始出处:

Emily S. Willett, Jingpeng Liu, Molly Berke, et al. Standardized Rat Model Testing Effects of Inflammation and Grafting on Extraction Healing. Journal of Periodontology. 2017 August. doi: 10.1902/ jop.2017.160771

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1758807, encodeId=140e1e58807d0, content=<a href='/topic/show?id=9fb76191944' target=_blank style='color:#2F92EE;'>#标准化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=61919, encryptionId=9fb76191944, topicName=标准化)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a86337383877, createdName=108807375_62823139, createdTime=Wed Nov 22 21:07:00 CST 2017, time=2017-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726659, encodeId=ab901e266597f, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sun Sep 10 17:07:00 CST 2017, time=2017-09-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1574217, encodeId=e06215e4217b2, content=<a href='/topic/show?id=36fc56212c6' target=_blank style='color:#2F92EE;'>#拔牙#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56212, encryptionId=36fc56212c6, topicName=拔牙)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9c5216012416, createdName=xre2013, createdTime=Sat Aug 19 04:07:00 CST 2017, time=2017-08-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=234468, encodeId=b52d23446806, content=学习了,谢谢。, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/xkvRjYnJzzRJ2R0y7VhicibvkjPWHjIMmu4ZpKnE9cWAu4lVicS3uDUCfF4M4JWvrkrYfpb2KehPV0Ee29tPqyPEebBUibiaKhnvD/0, createdBy=f8412001184, createdName=惠映实验室, createdTime=Thu Aug 17 13:52:49 CST 2017, time=2017-08-17, status=1, ipAttribution=)]
    2017-09-10 feather89
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    2017-08-19 xre2013
  4. [GetPortalCommentsPageByObjectIdResponse(id=1758807, encodeId=140e1e58807d0, content=<a href='/topic/show?id=9fb76191944' target=_blank style='color:#2F92EE;'>#标准化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=61919, encryptionId=9fb76191944, topicName=标准化)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a86337383877, createdName=108807375_62823139, createdTime=Wed Nov 22 21:07:00 CST 2017, time=2017-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726659, encodeId=ab901e266597f, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sun Sep 10 17:07:00 CST 2017, time=2017-09-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1574217, encodeId=e06215e4217b2, content=<a href='/topic/show?id=36fc56212c6' target=_blank style='color:#2F92EE;'>#拔牙#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56212, encryptionId=36fc56212c6, topicName=拔牙)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9c5216012416, createdName=xre2013, createdTime=Sat Aug 19 04:07:00 CST 2017, time=2017-08-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=234468, encodeId=b52d23446806, content=学习了,谢谢。, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/xkvRjYnJzzRJ2R0y7VhicibvkjPWHjIMmu4ZpKnE9cWAu4lVicS3uDUCfF4M4JWvrkrYfpb2KehPV0Ee29tPqyPEebBUibiaKhnvD/0, createdBy=f8412001184, createdName=惠映实验室, createdTime=Thu Aug 17 13:52:49 CST 2017, time=2017-08-17, status=1, ipAttribution=)]
    2017-08-17 惠映实验室

    学习了,谢谢。

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