硬组织

CO2激光与牙齿硬组织热作用的数值模拟

A Numerical Simulation for CO_2 Laser Interaction with Dental Hard Tissues

聚羟基磷酸钙钠（Hydroxylpolycalciumsodiumphosphate，HP）是一种新的人体硬组织替代材料。

Hydroxyl polycalcium sodium phosphate ( HP ) is a new substitute material for human hard tissues .

结果通过B样线条的生成原理拟合出了颅颌面硬组织的三维表面，并可以作出基本的旋转及缩放。

RESULTS : Model of 3D-surface of skull was made by B-Spline curve .

脉冲CO2激光骨硬组织消融特性的初步研究

Preliminary Study of Ablation Characteristics of Bone Hard Tissue with Pulsed CO_2 Laser

CR及硬组织切片的应用为本实验的研究提供了良好的前提和基础。

CR and the sawing and grinding provided a wonderful foundation for the experiment .

X线头影测量中硬组织标志点与SN平面的可靠性

Study of the reliability of hard tissue marker points and SN plane

Er：YAG和Er，Cr：YSGG激光消融牙体硬组织的实验研究

Preliminary Study of Er : YAG and Er , Cr : YSGG Ablation Enamel and Dentin

目的：运用三维X线头影测量与三维CT测量方法研究蒙古族正常牙合成年人的颅颌面硬组织形态，比较两种测量方法优缺点。

Objective : To apply three-dimensional xray Cephalometric and 3D CT on detecting cranial and maxillofacial sclerous tissues and compare their advantages and disadvantages .

结果AngleⅡ1病例矫治后的硬组织改变主要表现为上下切牙唇倾度的减小，（牙合）平面角的增加及磨牙的伸长；

Results After treatment , the labial inclination of upper and lower incisors was reduced . The occlusal plane angle was increased and molars were extruded .

目的：采用直丝弓矫治器矫治成年患者骨性AngleⅡ类2分类错牙合，以研究正畸治疗前后牙、颌硬组织变化，评价正畸矫治效果。

Objective : To investigate hard tissue changes and to evaluate the orthodontic effect induced by straight wire appliance for adult skeletal class ⅱ division 2 malocclusion .

钛基羟基磷灰石（HA）涂层材料在硬组织置换术中已经得到了广泛的应用。

Hydroxyapatite ( HA ) coatings on titanium substrates have been widely used in hard tissue replacement surgery .

Er，Cr：YSGG激光照射后牙体硬组织抗酸性变化的研究

A study on acquired acid resistance of enamel and dentine irradiated by Er , Cr : YSGG laser in vitro

Er，Cr：YSGG激光对牙体硬组织形态、成分及结构的影响

Morphological 、 Atomic and Structural Analytical Studies on Dental Hard Tissues Irradiated with an Erbium , Chromium : YSGG Laser

羟基磷灰石（HA）是骨骼、牙本质和牙釉质等硬组织的主要成分。

Hydroxyapatite ( HA ) is the main ingredients of bone , tooth dentin and enamel etc. hard tissue essence .

目的：研究X线头影测量中部分硬组织标志点和SN平面的可靠性。

Aim : To identify the reliability of hard tissue marker points and SN plane in cephalometry .

Er，Cr：YSGG激光与氟化物联合应用对牙体硬组织脱矿的影响

The effects of Er , Cr : YSGG laser combined with NaF treatment on the acid resistance of human dental hard tissue

从生物相容性的角度考虑，羟基磷灰石（HA）是人体硬组织置换种植体最适合的陶瓷材料。

Hydroxyapatite seems to be the most suitable ceramic material for hard tissue replacement implants from the point of view of biocompatibility .

其中OD在组织学上与OC相似，是吸收牙体硬组织的细胞。

Histologically similar to OC , OD is the cell which absorb tooth hard tissue .

结论：CP抑制成牙本质细胞形成后，釉原蛋白具有诱导牙髓形成硬组织的作用。

Conclusion Amelogenins has induction in formation of hard tissues in dental pulp following the inhibition of formation of odontoblasts by CP.

在法医学同一认定实践中，根据检材状态和生前个人信息可分别从人体软组织的DNA分析或软、硬组织的形态结构识别两个方面入手。

In the practice of forensic identification depending on status of the samples and prenatal personal information , we can analyses the DNA of soft tissues or analysis the architecture of hard tissues .

目的研究牙科用三维小视野照射CT（3DX）在口腔内科根尖部硬组织疾病诊断和牙齿解剖学形态影像中的价值。

Objective To investigate the application of the limited cone beam CT ( 3 DX ) for the diagnosis of the hard tissue disease of apex and the anatomical morphology of the teeth .

结论Er，Cr：YSGG激光照射后牙体硬组织抗酸性增强，而且激光照射不对牙体硬组织造成热损伤。

Conclusion Er , Cr : YSGG laser irradiation is effective for increasing acid resistance of dental hard tissue and does not cause thermal side effect .

结果：①硬组织Wits值与软组织Wits值具有高度相关性，相关系数0746。

Results : ① The value of soft tissue Wits had higher correlation with the value of hard tissue Wits .

结论：BSP、OPN参与牙胚的发育及牙体硬组织的矿化成熟，在牙齿发育中发挥关键作用。

Conclusion : BSP and OPN are involved in tooth germ development and tooth tissues mineralization , they have played role in tooth development .

保护气体为20%CO2+80%Ar的焊缝成形比纯Ar的好。两种保护气体下的焊接和热影响区组织都为珠光体+铁素体，没有出现淬硬组织。

The shielding gas of 20 % CO2 + 80 % Ar weld shape than that of pure Ar. Two protective gas welding heat affected zone of pearlite + ferrite , no hardened organizations .

羟基磷灰石（Hydroxyapatite，简称HA）是人体和动物硬组织（骨骼和牙齿）中主要的无机成份，具有优良的生物相容性、生物活性、可降解性和无免疫原性。

Hydroxyapatite ( HA ) is the principal inorganic component of human and animal hard tissues ( such as bones and teeth ) with an excellent biocompatibility , bioactivity , biodegradability and non-immunogenicity .

最大静载荷下牙体硬组织的最大Mohr应力值小于拉伸极限强度。

The maximum Mohr stress value in the tooth tissues under static load was smaller than the stretch limit strength of dentin .

目的：研究JasperJumper矫治器对儿童安氏Ⅱ1下颌后缩患者硬组织的影响。

Objective : To study effects of Jasper Jumper appliance on skeletal tissue in Growing Children with Class ⅱ Division 1 Malocclusion and Mandibular Retrusion .

羟基磷灰石（HA）是人体硬组织的主要成分，人工合成的HA具有良好的生物相容性，已被广泛应用于骨缺损的填充和替代；

Hydroxyapatite ( HA ), is the main mineral constituent of the hard tissues in human body . So synthesized HA has been widely applied as hard tissue replacement implants because of its excellent biocompatibility and non-toxicity .

目的：研究人牙胚不同发育时期Calbindin-D28K（CaB）的表达，以期分析CaB在人牙体硬组织形成过程中的作用，为探明人牙齿矿化过程中经细胞钙转导机制提供实验依据。

AIM : To investigate the express of calbindin-D28K ( CaB ) in human tooth germ development and its possible role in biomineralization during tooth development .