佛山科学技术学院学报 关键词：乳牙；根尖周炎；继承恒前磨牙；萌出；根尖片 [gap=1299] deciduous teeth; apical periodontitis; the succeduous premolar; tooth eruption; periapical film
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线牙片在牙齿疑难病例诊断中的参考价值_医学论文_华夏医界网 关键词】 牙片； 疑难病例； 变异 [gap=928]Key words] periapical film； intractable case； mutation
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digital periapical film 数字化牙片
Objective to investigate the difference between digital periapical film and conventional film in the evaluation of tooth length and root resorption.
目的探讨数字化根尖片和普通根尖片在评价牙齿长度和牙根吸收方面的差异。
Digital periapical film can quick understand the root canal preparation, root canal length and root canal filling accurately, surpassing conventional periapical film.
数字化牙片可迅速、准确地了解根管预备、根管长度及根管充填情况，优于传统牙片。
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