管牙

用微硬度测定仪检测根管牙本质的微硬度。

The roots were sliced and root-dentin microhardness was measured .

有限元法建立弯曲根管牙模型及受力分析

Development of a finite element analysis model with curved canal and stress analysis

不同根管牙本质表面处理方法对纤维桩自酸蚀树脂粘固剂粘接强度的影响

Effect of Different Pretreatments to Dentin on Bonding Strength of Fiber Post with Self-etching System

双根管牙及其桩核烤瓷冠三维有限元模型的建立

Construction of the three-dimensional finite element model of the twin-root canal dowel-core and PFM crown

结果：对照组：感染根管牙本质小管形态不规则，排列紊乱。

Results : Control group : the dentinal tubules lined up in disorder and irregularity .

树脂改性玻璃离子水门汀与根管牙本质粘结性能的研究

The Comparison of the Bonding Properties between Resin-modified Glass Ionomer Cements and Root Canal Dentine

循环加载下3种黏结剂与根管牙本质间微渗漏的对比研究

Microleakage between tooth canal dentin and three cements for bonding fiber posts under cyclic mechanical loading

不同树脂粘固剂粘结根管牙本质后粘结强度的差异潮湿面可固化胶粘剂

Evaluation of the Bond Strength of Different Luting Cements in Root Canal Dentin after Post Space Preparation wet surface hardenable adhesive

纳米材料根尖封闭性：40颗离体单根管牙牙根，采用逐步后退法预备根管，随机分为四组，每组10个。

Apical sealing ability : 40 roots of single-rooted teeth were prepared using step-back technique and randomly assigned to one of four groups of ten roots each .

聚氨酯粘结剂的合成与粘结体吸湿性研究不同树脂粘固剂粘结根管牙本质后粘结强度的差异

Study on polyurethane adhesive and the hygroscopic capacity bonding material Evaluation of the Bond Strength of Different Luting Cements in Root Canal Dentin after Post Space Preparation

氢氧化钙髓腔封药对根管壁牙本质pH值的影响

Effect of dosage and placement of calcium hydroxide on pH of the root dentine

EDTA可以有效去除根管内牙本质表面玷污层，改善粘结效果。

EDTA could effectively remove smear layer and improve the bond effectiveness .

根管壁牙本质小管口直径，在冠1/3、中1/3、尖1/3，A、B及C组间比较差异均有显著性（P<0.05或P<0.01）。

The differences of diameters of dentinal tubules of the coronal third , middle third and apical third parts were significant between various groups ( P < 0.05 or P < 0.01 ) .

方法：25颗离体直根管前牙，随机分为5组，不锈钢K锉常规法预备根管，应用5种冲洗剂组合进行冲洗。

METHODS : 25 extracted human maxillary anterior teeth , with a single straight root were randomly divided into 5 groups . They were instrumented with K-files and conventional preparation technique .

结果：照射距离<2mm，2～6W能量的激光均能有效去除牙本质表面玷污层，牙本质小管管径减小或部分封闭，随着能量增高，管间牙本质去除逐渐增多；

Results : Laser with energy of 2-6 W and irradiating distance below 2 mm could effectively remove the smear layer from the dentin . Dentinal tubule orifices were minished or partly blocked . With the energy of irradiation increased , the elimination of the intertubular dentin increased ;

微波对根管壁牙本质的作用

Effect of microwave on the dentin of root canal wall

五倍子水提取物对根管壁牙本质小管的影响

The influence of the aqueous extract of Chinese gallnut on root canal dentinal tubules

目的了解微波对根管壁牙本质产生何种影响及其可能导致的后果。

Objective To investigate the effect of microwave on dentin of root canal wall .

方法：（1）分组：选择临床及X-线检查诊断为慢性根尖周炎的上颌单根管患牙30例，随机分为三组：手动器械根备组、超声波处理组及Nd：YAG激光处理组。

Methods : ( 1 ) Patient selection : Included in our study were 30 single root canal human teeth , diagnosed clinically and radiographically as chronic periapical periodontitis due to pulp necrosis . The teeth were randomly divided into three groups as hand instrumented group ;

方法：本实验采用机动镍钛器械Profile、手用不锈钢器械、声波及超声波器械预备80颗人单根管离体牙后，分别以传统侧压和热侧压充填根管。

Methods : 80 extracted human teeth with single root were prepared using Profile rotary instruments , stainless steel ( SS ) RT hands files , shaper sonic files , ultrasonic K files and filled with traditional lateral condensation and warm gutta percha lateral condensation respectively .

成品根管钉修复牙大部分缺损临床效果观察

Clinical effect of manufactured root dowel on reparation of serious dental defect

轴向拉力作用下管螺纹扣牙力分布及其计算

Distribution of the force acting on pipe threads under the action of axial tension and its calculation

5.25%NaOCl冲洗液在两种不同机械预备根管时对牙本质微硬度的影响

Effect of 5.25 % NaOCl Irrigation on the Microhardness of Root Dentin with Two Different Types of Instrumentation

方法选择合适病例，采用钢丝结扎，根管治疗和牙周治疗、全冠修复等多种方法，对磨牙纵折予以保守治疗。

Methods The proper cases were selected to be ligated with wire , pulp extirpation , peridental therapy and crown repair in conservative treatment .

每组另10颗牙以扫描电镜测量根管壁与牙胶间微缝隙宽度。

The micro-chink between filling materials and the wall of root canal were measured with scanning electron microscope in the other 10 teeth of each group .

Profile机用根管器械治疗磨牙牙周牙髓联合病变的临床效果

Clinical Analysis of the Effect of Root Canal Preparations with Profile on Combined Periodontal - Endodontic Lesions

B组：Profile预备根管，碘仿糊剂牙胶尖根充。

Group B : profile preparation of the root canal , iodoform cataplasm and gutta percha point was used to fill root canal .

MTAD根管冲洗液对牙本质、牙釉质微硬度影响的研究

Study on the effect of endodontic irrigation MTAD on enamel and dentin microhardness of human teeth

氢氧化钙7d和次氯酸钠处理15s时，牙髓彻底溶解，根管壁平整，牙本质小管口完全暴露。

After treated with calcium hydroxide for 7 days and NaClO 4 for 15 s , the dental pulp were dissolved completely , the root canal became smooth , and the dentine small pipes were exposed thoroughly .

1次性根管充填在前牙烤瓷冠备牙穿髓时的应用

Application of Root Canal Overfilling One Time at Ceramic Repair