牙骨质

结论Er，Cr：YSGG激光照射根面平整后的牙周病牙根面可有效去除玷污层及表层病变牙骨质，具有潜在的应用价值。

Conclusion It is effective to remove smear layers and infected cementum of surface layers with Er , Cr : YSGG irradiating on the planed periodontal root surfaces .

结论：Er，Cr：YSGG激光能有效去除牙周病牙根面玷污层及病变牙骨质，根面无熔融、炭化等改变。

Conclusions : Er , Cr : YSGG laser could effectively remove the smear layers and infected cementum on periodontal-diseased root surfaces without causing negative changes like melting and carbonization .

第3组根面洁净，光镜下见根面平坦、光滑，SEM下可见正常牙骨质凸。

The root surfaces of group 3 were smooth and even .

目的：探讨体外培养源于SD大鼠磨牙牙骨质的类成牙骨质细胞的可行性。

Objective : To investigate the feasibility of culturing the SD rats cementoblasts-like in vitro .

体外培养的SD大鼠类成牙骨质细胞生物学性状初步探讨

A Preparatory Study of Biological Characteristic of SD Rat Cementoblast - like Cultured in Vitro

MSCs分布在新生牙槽骨、新生结缔组织及新生牙骨质中。

MSCs were distributing in regenerate tissue including alveolar bone , cementum , periodontal ligament .

结论ALN能有效地改善延期再植干燥牙的愈合，增加牙骨质愈合，减少牙根炎症性吸收与替代性吸收。

Conclusion : ALN can effectively improve healing of replanted teeth after extended dry time .

五倍子水提取物抑制LPS对牙周膜细胞附着牙骨质片表面的影响

The effects of gallnut water extract on the attachment of PDLC inhibited by LPS on the slices of cement

目的：对牛牙骨质附着蛋白进行N末端氨基酸序列分析，为牙骨质附着蛋白的克隆表达提供一定的理论依据。

Objective : To analyze the N-terminal amino acid sequence of bovine cementum attachment protein ( CAP ), which lay a theoretical foundation for cloning and expression of the CAP .

目的观察颌骨牙骨质化纤维瘤（CF）的临床病理特征。

Objective To study the clinical characteristics of pathology and diagnosis of cementifying fibroma ( CF ) of the jaws .

目的：探讨1,25-（OH）2VitD3对小鼠牙囊细胞向成骨细胞（成牙骨质细胞）分化能力的影响。

AIM : To explore the effect of 1,25 - ( OH ) _2Vit D_3 on cytodifferentiation of mouse dental follicle cells .

牙周膜细胞包括牙周膜成纤维细胞（periodontalligamentfibroblasts，PDLFs）、成骨细胞、成牙骨质细胞等。

Periodontal ligament cells consist of periodontal ligament fibroblasts , osteoblasts , cementoblasts , et , al .

目的：对SD大鼠磨牙牙骨质的类成牙骨质细胞分泌碱性磷酸酶、骨钙素以及形成矿化结节的能力进行初步研究。

Objective : To study the capacity of SD rat cementoblast-like expressing osteocalcin and ALP and investigate the feasibility of forming calcified nodules under the conditional culture .

结论BMP-2在CF中的表达可能与牙骨质小体及牙骨质样物质的形成有关。

Conclusion The expression of BMP-2 in CF might play an important role in the formation of cementicle or cementoid substance .

目的：旨在研究SD大鼠牙周的类成牙骨质细胞、成骨细胞和牙周韧带成纤维细胞表达骨钙素和碱性磷酸酶的情况，探讨区分此三种细胞的方法。

Objective : To compare the capacity of three types of periodontal cells of SD rat expressing osteocalcin and ALP and investigate the feasibility of distinguishing them in vitro .

结论：合适浓度的IGF-1能促进牙囊细胞的增殖，增加蛋白含量及向成骨细胞（成牙骨质细胞）方向分化的能力。

Conclusion : Proper concentrations of IGF-1 may promote dental follicle cell proliferation , protein synthesis and differentiation towards osteoblasts ( cementoblasts ) .

推测BMP-2和BSP参与了正畸牙根吸收后修复过程的牙槽骨和牙骨质改建过程，在牙根吸收后的修复早期发挥了重要的作用。

We presumed BMP-2 and BSP participated in the repair process after orthodontic root resorption in alveolar bone and cementum remodeling .

结果显示：BMP在正常牙周组织中主要分布于牙周韧带中，尤其是牙槽骨和牙骨质表面，并与不同部位的骨改建活动相一致；

BMP is mostly located in the periodontium , especially near the alveolar bone or cementum , that is always associated with bone remodeling activity .

而e-PTFE膜加EMPs组还可促进无细胞性牙骨质的再生。

However , in EMPs + e-PTFE membrane group there are regenerated acellular cementum .

目的：观察不同能量的Er，Cr：YSGG激光照射根面后的牙骨质表面形态变化，探讨此激光用于牙周病治疗及根面充填前预处理的可行性。

AIM : To observe morphological changes of cementum after Er , Cr : YSGG laser irradiation and discuss the feasibility of this laser to be used on the root surface in periodontal pretreatment .

目的比较不同浓度的含镧（La）漱口水的防龋作用，并对其在牙釉质、牙骨质的抗酸作用进行比较。

Objective To compare the effect of different does of lanthanum-contained rinse solution on carious-resistance , and to investigate the acid-resistant abilities of dental enamel and root surface that treated with lanthanum-contained rinse solution .

目的：观察牙根发育中上皮根鞘细胞（Hertwig′sepithelialrootsheath，HERS）断裂后结局和增殖凋亡相关基因的表达，探讨上皮根鞘在牙根发育特别是牙骨质形成中的可能作用。

AIM : To analyze the apoptosis and proliferation of HERS ( Hertwig 's epithelial root sheath ) and to evaluate the roles of HERS cells in the development of cementum .

免疫细胞化学方法检测CDC中与骨相关的标志物如骨钙素、碱性磷酸酶和特异性牙骨质附着蛋白的表达；

The cells in culture were identified using immunocytochemistry by expression of cementum attachment protein ( CAP ), osteocalcin ( OCN ) and alkaline phosphatase ( ALP ) .

结果：MMP-13主要表达于成纤维细胞、成骨细胞、骨细胞及成牙骨质细胞内。但在破骨细胞和破牙细胞内并不显示MMP-13免疫活性。

Result : MMP-13 was detected in fibroblastic cells , cementoblasts and osteoblasts , but not in odontoclasts or osteoclasts .

当BMSCs单独或与PRP联合植入缺损时，有明显的牙周组织再生，包括牙槽骨、牙周膜和牙骨质的再生，尤以术后12周非细胞性牙骨质再生为特点。

The sites implanted with BMSCs , adding or without PRP , showed significantly tissue regeneration including functional periodontum , alveolar bone and cementum , especially acellular cementum at 12-week postoperation .

结论：dNCPs能够促进牙囊细胞向成牙骨质细胞分化，这一结论补充了牙骨质生成的经典理论。

Conclusions : dNCPs can stimulate DFCs to differentiate into cementoblast lineages .

结合OCT的方法测量了人离体牙釉质、牙本质和牙骨质的折射率，并且得到了离体牙齿沿扫描方向的折射率分布。

Based on OCT method , the refractive indexes of the human enamel , dentin and cementum are measured . In addition , the refractive index distribution along the scan direction of the human teeth in vitro is obtained . 3 .

结果：骨桥素OPN在牙周韧带基质及细胞中表达阳性，牙龈结缔组织中表达弱阳性，牙槽骨中邻近牙周韧带的部位表达阳性，其余部位及牙骨质中表达阴性；

Result : Osteopontin was positive in periodontal ligament cells , the matrix of the ligament and the alveolar bone adjacent to the ligament , mild positive in gingivae , negative in cementum and large part of the bone ;

加力期间，移动牙牙根牙骨质无明显吸收，根部牙槽骨稍有吸收，固定30d后，牙根组织结构基本恢复正常。

In the activated period , moved tooth apical had no obvious absorption , alveolar bone had a little absorption . After fixed for 30 days , the periodontal tissue structure of moved tooth apical recovered .

方法：取出生后5d、9d、15d、19d及4个月的BALB/c小鼠共18只，光镜观察上皮根鞘的发生、牙骨质发育过程，透射电镜观察该阶段上皮根鞘细胞的超微结构。

METHODS : Eighteen BALB / c postnatal mice were divided into five groups according to the developing stages . The mouse teeth were examined at the onset of root development by light and transmission electron microscopy .