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相关概念视频

Blinding01:11

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.

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修改的插座屏蔽技术与无助的插座愈合:使用基于CBCT的维度分析进行随机控制的临床试验.

L-M Sáez-Alcaide1, C Cobo-Vázquez, J Cortés-Bretón-Brinkmann

  • 1Department of Dental Clinical Specialties, Faculty of Dentistry, Complutense University of Madrid. Plaza Ramón y Cajal S/N, 28040, Madrid, Spain. lsaez@ucm.es.

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概括
此摘要是机器生成的。

经过修改的插座屏蔽技术在拔牙后保留了膜骨的尺寸. 这种技术对于口腔骨薄的患者尤其有益,减少了提取后的骨损失.

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科学领域:

  • 牙科 牙科是指牙科的专业.
  • 在口腔外科手术.
  • 牙周病学 牙周病学

背景情况:

  • 失去牙会导致大气泡骨再吸收.
  • 套口盾技术的目的是防止这种骨损失.
  • 评估了没有立即植入植入物的修改插座屏蔽技术 (mSST).

研究的目的:

  • 为了比较mSST与无助口愈合 (USH) 进行垂直和水平骨变化.
  • 为了评估膜骨抽取后的尺寸变化.

主要方法:

  • 接受非牙拔牙的患者被随机分为mSST或USH组.
  • 在手术前和4个月后使用圆束计算机断层扫描 (CBCT) 扫描.
  • 使用ANCOVA测量和比较水平脊椎宽度和垂直骨高度变化.

主要成果:

  • 与USH组相比,mSST组表现出明显减少的口腔骨高度和宽度减少 (p<0.001).
  • 在mSST组中,口腔高度和宽度的平均减少明显较低.
  • 1.5mm的口腔骨厚度值被确定为有效性的关键.

结论:

  • 没有立即植入植入物的mSST有效地保持了气囊骨尺寸.
  • 这种技术在口腔骨薄 (<1.5mm) 的部位特别有利.
  • mSST作为一种保护因素,防止骨提取后的骨重塑.