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首页> 外文期刊>Dental Materials Journal >Influence of immediate dentin sealing and temporary restoration on the bonding of CAD/CAM ceramic crown restoration
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Influence of immediate dentin sealing and temporary restoration on the bonding of CAD/CAM ceramic crown restoration

机译：立即进行牙本质封闭和临时修复对CAD / CAM陶瓷牙冠修复体粘结的影响

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摘要

This study examined the influences of clinical application of immediate dentin sealing (IDS) and temporary restoration (TR) on prepared abutment surfaces on the bonding of computer-aided design/computer-aided manufacturing (CAD/CAM) ceramic crown restorations after cyclic loading. Standardized abutments were prepared in 60 human mandibular premolars. Dentin surfaces of half of the specimens were sealed with adhesive and flowable composite, while those of the other half were not sealed. A half of both sealed and non-sealed specimens were restored using a temporary cement and temporary crown. Each individual CAD/CAM ceramic crown was fabricated and cemented to an individual abutment. The restored specimens were subjected to cyclic loading, and the micro tensile bond strengths (μ-TBS) were measured. IDS contributed to an increase in the bond strength, whereas TR did not affect the bond strength. IDS restoration without TR yielded the maximum bond reliability in achieve specific μ-TBS values for the restoration and ensuring durability against debonding.
机译：这项研究探讨了在周期性加载后，即时牙本质密封（IDS）和临时修复体（TR）对准备的基台表面的临床应用对计算机辅助设计/计算机辅助制造（CAD / CAM）陶瓷牙冠修复体粘结的影响。在60个人类下颌前磨牙中准备了标准化基台。一半样品的牙本质表面用粘合剂和可流动的复合材料密封，而另一半样品则没有密封。使用临时水泥和临时表冠修复了密封和未密封样品的一半。每个单独的CAD / CAM陶瓷牙冠都被制造并粘合到单独的基台上。恢复的样品经受循环载荷，并测量微拉伸粘合强度（μ-TBS）。 IDS有助于提高粘结强度，而TR则不会影响粘结强度。没有TR的IDS修复体在达到特定的μ-TBS值以达到修复体的最大粘合可靠性，并确保了抗脱粘性。

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