This study is to review the effects of smear layers on the adaptation and the bonding property of restorative materials and on the pulp tissue.

本文从其对修复体的密合度、对材料的粘结性能以及对牙髓的影响方面进行了概述。

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The invention features simple structure and convenient adaptation, and is suitable for circulating and heating various petroleum and coal asphalts and other liquid materials.

本发明结构简单，改装方便，不仅适用于各种石油沥青和煤沥青，也适用于其它液状物质的循环与加热。

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The Golden Compass is the first planned adaptation of Pullman's bestselling His Dark Materials trilogy.

BBC: The film is based on Philip Pullman's bestselling book