查询词典 maxillary

To reconstruct 3-dimension (3D) model of the human maxillary first premolar for biomechanics analysis.

建立成人上颌第一磨牙根管预备后的三维模型，作为今后生物力学分析的基础。

RESULTS: The fine 3D FEA model of the crown of the maxillary first premolar was constructed successfully.

结果：建立了人上颌第一前磨牙牙冠的精细三维有限元模型，网格划分后的牙冠三维有限元模型：釉质具有154，355个单元，牙本质具有256，304个单元，共有410，659个10节点四面体单元，模型具有非常高的精确度。

Objective: To establish a 3D solid and finite element model of maxillary premolar restored witll MOD inlay.

目的：建立近中一合面一远中洞型嵌体修复下颌第一磨牙的计算机三维实体和有限元模型，并进行初步应力分析。

Objective: To investigate the root canal configuration and the incidence and location of the isthmus in extracted maxillary second premolar with single root.

目的：研究离体单根的上颌第二前磨牙根尖1—6mm处根管形态及根管峡部的发生率和位置的情况。

Pearson product moment correlation coefficients were used to analyze the effect of the age, cranial length and maxillary length on the molar's location in the maxilla.

但是后续的实验研究表明，上颌第一恒磨牙的位置并不是固定不变的，它会随着牙弓内、外因素的变化而发生位置的变化，影响错畸形的形成[1]。

METHODS: Sixteen patients of maxillary prognathism with skeletal Class Ⅱ malocclusion underwent joint orthodontic treatment and orthognathic surgery were included.

对16例骨性Ⅱ类上颌前突患者（上颌骨前突伴下颌骨后缩14例，其中同时伴颏后缩6例；单纯上颌骨前突2例）进行外科－正畸联合治疗。

PURPOSE: To evaluate the role of total maxilla setback by Le Fort Ⅰosteotomy for correction of maxillary prognathism with skeletal Class Ⅱ malocclusion.

目的：探讨Le Fort Ⅰ型骨切开(Le Fort Ⅰ osteotomy)上颌骨整体后退术在矫治骨性Ⅱ类上颌骨前突畸形中的价值。

Total maxilla setback by Le Fort Ⅰ osteotomy is an effective way to cure the patients of maxillary prognathism with skeletal Class Ⅱ malocclusion.

对于骨性Ⅱ类上颌骨前突畸形患者，Le Fort Ⅰ型骨切开上颌骨整体后退术是一种安全、合理、有效的正颌外科术式。

Objective To observe and evaluate the profile changes after maxillary protraction treatment for Class Ⅲ malocclusion.

目的 观察与评价上颌前方牵引矫治器矫治骨性Ⅲ类错后软组织侧貌的变化。

The maxillary protraction with orthopedic force is often used to treat those with the primary deformity of maxilla underdevelopment.

其中，以上颌骨发育不足为主要畸形表现的患者，临床常采用矫形力牵引上颌骨向前进行矫治。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐