英语释义

• a tooth having two cusps or points; located between the incisors and the molars

片语

premolar teeth前臼齿

premolar bicuspid前磨牙

maxillary premolar前磨牙

Mandibular premolar下颌前磨牙

premolar morphology前磨牙的形态

英汉例句

• conclusion:mandibular second premolar after pulling, the third molar eruption clearance increased obviously, conduce to the jaw third molar normal eruption.

  结论：拔除下颌第二前磨牙后，第三磨牙萌出间隙明显增大，有助于下颌第三磨牙的正常萌出。

• methods with zinc oxide eugenol cement and guttapercha point, this therapy was used in treatment of labial teeth and bicuspid premolar abscess in 75 teeth of 56 cases.

  方法采用氧化锌丁香油酚粘固剂及牙胶尖，对56例患者75颗根尖周脓肿进行一次性前牙及双尖牙根尖脓肿根管治疗法。

• last premolar of upper jaw, first molar of lower jaw.

  上颚最后的一只前臼齿，下颚最前的一只臼齿。

• conclusion:the no tooth area and the first premolar area of mandible in sheep is a good experimental animal model for alveolar ridge augmentation by distraction osteogenesis.

  结论：山羊下颌无牙区及下颌第一前磨牙区可作为牵张成骨增高牙槽嵴新的实验动物模型。

• the retention of the clasp on molar is greater than premolar in the same condition of undercut.

  相同倒凹条件下，磨牙卡环的固位力比前磨牙卡环大。

• objective:to compare the changes in third molar position in patients treated with second molar and first premolar extractions.

  目的：比较正畸治疗中拔除第二磨牙与拔除第一前磨牙后第三磨牙牙胚位置的不同改变。

• conclusion both periapical films in bisecting angle technique and in distant paralleling technique can reflect the real teeth length precisely in premolar area.

  结论前磨牙区的分角投照根尖片和平行投照根尖片均能精确反映牙齿的实际长度。

• we must use double abutments when the bone of premolar is re- duced. but molar can be selected as abutment even if its bone level was absorbed seriously.

  磨牙可以适当放宽基牙选择的适应癥，对于牙槽骨吸收至根分歧甚至更低的磨牙在保证牙周卫生、控制炎癥的基础上仍可考虑作为固定桥的基牙。

• absence of a third or a fourth premolar or of one molar.

  缺少一个第三或者一个第四前臼齿或者一个臼齿。

• objective to construct the fine 3d model of the maxillary first premolar for finite element analyzes(fea).

  目的建立上颌第一前磨牙的精细三维模型，并最终应用于有限元分析（fea）。

• conclusion the fracture strength of premolar teeth filled with light curing composite resin was higher than filled with amalgam after root canal therapy.

  结论根管治疗后用光固化树脂充填前磨牙的各类洞，牙体的抗折强度优于用银汞充填者。

• methods 16 cases with fracture or exfoliation on the area of anterior teeth and premolar were selected, the damage's parts of prosthesis were recorded, and the causes of failure were analyzed.

  方法随机选择16例前牙和前磨牙区因瓷裂或瓷崩而导致失败的病例，记录修复体损坏的部位，分析产生失败的原因。

• conclusion: the defect treatmen of glass fiber post in a single premolar tooth root canal can achieve satisfactory results.

  近年来，作者采用玻璃纤维桩进行前磨牙牙体缺损的修复，取得了良好的临床效果。

• methods buccal fat pad was used to repair the deficiency of the tissue on the palate, cheeks, premolar district and the oral cavity maxillary sinus fistula.

  方法应用带蒂颊脂垫修复腭部、颊部、磨牙区的组织缺损，以及用于修复口腔上颌窦瘘。

• the article reviewed the proposal of the second premolar extraction, the development, the indication, and the rule of tooth movement and the change of the craniofacial tissue, and so on.

  本文从拔除第二前磨牙理论的提出、发展历史、适应证以及拔除第二前磨牙后牙移动规律以及颅颌面组织的结构变化等作一综述。

• when occlusion by molar and premolar of fracture part, the stress of upper fracture part was bending force and the lower was compressing force.

  患侧磨牙、前磨牙咬合骨断层应力分布下部为张力带、上部为压力带。

• carnassial : last premolar of upper jaw, first molar of lower jaw.

  裂齿：上颚最后的一只前臼齿，下颚最前的一只臼齿。

• eliminating faults : all deviations in relation to the correct scissor bite. absence of one incisor or one canine, a third premolar or a fourth premolar or of one molar.

  严重失格：所有形式的不正确咬合。缺一个门齿或犬齿，第三前臼齿或第四前臼齿或一个臼齿。

• the retention of gold alloy clasp on the molar was greater than that on the premolar in the same condition of undercut.

  相同倒凹深度上，磨牙金合金卡环固位力比前磨牙大。

• objective: to evaluate the clinical of using prefabricated cylindrical root canal pin to lengthen the clinical crown and restoring anterior tooth and premolar defect with pfm.

  目的：评价应用预成圆柱形根管钉对前牙牙体缺损患者冠再接后烤瓷修复体的临床效果。

• the third premolar and the first molar of miniature pigs inclinate mesially, and are similar with the first premolar and the first molar of the human beings.

  第三前磨牙与第一磨牙长轴为近中倾斜，与人类第一前磨牙和第一磨牙近似。