With 3 years following study,each 1 case failed for root or crown fracture,2 teeth failed for crown loose in the metal cast post core group with 92.9% success rate.是什么意思_With 3 years following study,each 1 case failed for root or crown fracture,2 teeth failed for crown loose in the metal cast post core group with 92.9% success rate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句