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第一前

第一前

第一前

第一前

1

Absence of more than two first premolars or absence of a first and a second premolar .

缺少超过两个第一前臼齿或者一个第一和一个第二前臼齿。

2

Objective The aim of this study was to investigate the root canal system of maxillary first premolar .

目的观察离体上颌第一前磨牙根管解剖结构。

3

Objective To investigate root canal curvatures of human maxillary first premolars in buccolingual directions.

目的研究上颌第一前磨牙根管颊舌向的弯曲情况。

7

The root canals in mandibular first premolars failed to be treated

下颌第一前磨牙的临床根管漏治

8

A radiographic study of anatomic morphological of pulp cavity in first maxillary premolars

上颌第一前磨牙髓腔形态的影像学研究

9

Three dimensional finite element stress analysis in the vertical fractured first premolar after bonding and replantation

上颌第一前磨牙纵折黏结的应力分析

11

Morphological Characteristics of Mandibular first Premolars in People from Pearl River Delta Region in Guangdong

广东珠三角地区人下颌第一前磨牙解剖外形的研究

13

Investigation of Root Canal Curvature of Human Maxillary First Premolar in Buccolingual Directions

上颌第一前磨牙根管颊舌向弯曲情况的研究

15

Root canal curvature of human maxillary first premolars in buccolingual directions

离体上颌第一前磨牙根管颊舌向弯曲的研究

16

Anatomy and Clinical Significance of the Root Canal System of Maxillary First Premolars

上颌第一前磨牙根管解剖结构的观测及临床意义

17

Research advancements about the root and root canal morphology of maxillary first premolar

上颌第一前磨牙牙根及根管形态的研究进展

18

Study on anatomy of apical foramen and morphology of root canal of maxillary first premolar

上颌第一前磨牙根管形态和根尖孔的解剖研究

20

Morphology of roots and canals in maxillary first premolars

离体的上颌第一前磨牙的根管和牙根情况的研究

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