The root is covered with cementum, which is worn away more easily than enamel.
牙根部覆盖着牙髓，它比牙釉质更易磨损。
This book comprehensively reviews bonding to enamel, dentin and cementum and analyses relevant adhesion mechanisms.
这本书综合评论压焊给牙质和牙骨质和分析相关的黏著机制涂瓷釉。
During the late stage, the principal fibers stained for fibromodulin at the interfaces between cementum and new bone.
愈合晚期，纤维调节素表达于牙骨质和新骨交界处的主纤维。
The periodontal ligament is a connective tissue located between the cementum of teeth and the alveolar bone of the mandibula.
牙周膜是位于牙骨质和下颌骨的齿槽骨之间的结缔组织。
The new volumes of alveolar bone, cementum and periodontal ligament in the UT group were more than those in the C group (P< 0.05).
超声组牙槽骨、牙骨质、牙周膜新生量均大于对照组（P< 0.05）。
Based upon the growth layer groups in cementum and dentine of the tooth, the age of the huge Sperm Whale was estimated at 29 years.
根据对牙齿磨片牙骨质和牙齿齿质上的生长层组判断，其年龄约为2 9龄。
Root conditioning by minocycline-HCl could improve PDLC attachment and proliferation on root cementum surface affected by periodontitis.
米诺环素处理根面后，能显著提高细胞的附着和增殖。
Methods BMSCs were co-cultured with cementum slices and femora slices in vitro, to detect with light microscope at 7 day and 28 day, and to determine ALP activity.
方法将骨髓基质细胞与牙骨质片和股骨片在体外共同培养，分别在第7天、第28天进行光镜观察及碱性磷酸酶的测定。
Dentin matrix protein (DMP) -1 is an acidic non-collagenous protein that is necessary for the proper biomineralization of bone, cartilage, cementum, dentin and enamel.
牙本质基质蛋白(DMP)- 1是骨、软骨、釉质、牙骨质和牙本质生物矿化所必需的一种酸性非胶原蛋白。
Methods Cell culture technique in vitro had been used to study the growth condition of MC3T3-E1 osteoblast line on the surface of cementum treated with various methods.
方法应用体外细胞培养技术观察MC3T3 - E1成骨细胞株在不同处理的牙骨质表面的生长状况。
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：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。
Enamel matrix protein is secreted by Hertwig's epithelial root sheath and is responsible for initiating the original formation of acellular cementum on the developing tooth root.
釉质基质蛋白由Hert wigs上皮根鞘分泌，能诱导发育牙根上的非细胞牙骨质的初期成形。
It is well know that the biological basis of Orthodontics is the plasticity of jaw, the strength-proof of cementum and the stability of periodontal ligament internal environment.
口腔正畸学的生物学基础在于颌骨的可塑性、牙骨质的抗压性及牙周膜内环境的稳定性。
The utility model relates to an ultrasonic chisel for removing bone substance in operations, which belongs to the technical field of medical equipment used in cementum removal operations.
一种用于手术中去除骨质的超声凿，属医疗器械技术领域，用于提供去除牙骨术中的器械问题。
The utility model relates to an ultrasonic chisel for removing bone substance in operations, which belongs to the technical field of medical equipment used in cementum removal operations.
一种用于手术中去除骨质的超声凿，属医疗器械技术领域，用于提供去除牙骨术中的器械问题。
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