premolar teeth
英
美
网络 前臼齿
双语例句
- They had four first premolar extraction, but the outcomes were not so satisfied. The patient has a radiolucent lesion below the molar teeth in the right mandible.
病人在右下颌的大臼齿，有一放射透过性的病变。 - Methods: 76 old people of218 premolar teeth with wedge-shaped defect were divided into two groups randomly: the teeth were prepared in the first group but not in the second group.
方法：选择相邻的前磨牙楔状缺损患者76例218颗患牙，随机分为2组，第一组修复前预备洞型；第二组修复前不预备洞型。 - Methods The experimental model made from methyl-methacrylate ( 0 resin) and enlarged 10 folds larger of the native premolar teeth was used.
方法按照天然前磨牙尖的大小，放大10倍，测试的模型用甲基丙烯甲脂（0号造牙粉）翻制而成。 - Normal anatomy of inner ear and IAC on FSE 3D heavy T_2 weighted MR imaging Radiographic diagnosis of variations of root and root canal anatomy in mandibular first premolar teeth with anatomical crevices on the root surface in vitro
3D-重T2W水成像技术显示面听神经及内耳结构的研究下颌第一前磨牙的根面沟对牙根和根管X线影像影响的离体研究 - X ray Study of Permanent Impacted Teeth Radiographic diagnosis of variations of root and root canal anatomy in mandibular first premolar teeth with anatomical crevices on the root surface in vitro
下颌第一前磨牙的根面沟对牙根和根管X线影像影响的离体研究 - 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。 - This research studies the ferrule effect on double-canalled maxillary first premolar to test the hypothesis that the design of ferrule is beneficial to double-canalled teeth restored with cast post and core and metal crown, through three-dimensional finite element analysis.
本试验应用三维有限元应力分析法，理论探讨箍对上颌双根管前磨牙铸造桩核修复后牙体应力分布的影响。 - In the mandibular, the failure rate of bonded brackets of the second premolar was the largest, and which of the rest teeth was close to each other.
下颌牙中，第二前磨牙脱落率最高，其余牙相近； - Conclusion The changes of soft and hard tissue are consistent after treatment with first premolar extraction in the adolescent patients of Angle class ⅱ 1. The improvement in molar relationship and overjet is achieved with upright and distal movement of the lower posterior teeth.
结论安氏Ⅱ1类错牙合患者减数4个第一双尖牙，软硬组织变化一致，前牙覆盖正常，磨牙由远中关系变为中性关系。 - The MO/ DO cavity of premolar after root canal therapy was filled with amalgam, it's strength fracture was lower than unaltered premolar teeth ( p < 0.01).
根管治疗后用银汞充填开髓洞，其抗折强度与完整牙相同，充填MO/DO洞，其抗折强度则显著低于完整牙（P<0.01）。 - X micro matric restorations in permanent anterior and premolar teeth.
X微基质修复材料修复恒前牙、恒前磨牙的临床状况。 - Among all the teeth, the failure rate of bonded brackets of the second premolar was the largest, and which of the cuspid teeth was the lowest.
所有牙齿中，第二前磨牙最高，尖牙最低。 - Method The post treatment dental casts of 43 four first premolar extraction cases and 36 non extraction cases both with good occlusion were selected. Mesiodistal widths of mandibular and maxillary teeth were measured and Bolton index were calculated.
方法选取43例拔除4个第一双尖牙和36例不拔牙治疗结果满意的病例，测量治疗后模型的牙齿宽度，计算比较其Bolton指数的差异； - Methods Forty patients, who suffer from handicapping dentofacial anomaly and need pull out the maxillary first premolar teeth, were divided into test group ( 20 patients) and control group ( 20 patients) randomly.
方法将40例牙列拥挤，需做减数治疗的牙颌畸形患者，随机分为实验组和对照组各20例。 - Extraction of the maxillary first premolar could provide space to align the remaining teeth in the presence of severe crowding, and retract incisors to reduce the protrusion.
上颌拔除第一前磨牙，可以最大程度的为解决前牙拥挤及前突提供间隙。