There's decay under a large filling. The decay is into the pulp of the tooth.
在你牙齿原来大块填补物下边也有龋坏了。龋坏已经到了牙髓。
First, I'll make a small opening in the top (crown) of the tooth to expose the infected pulp..
首先，我要在牙齿的顶端(牙冠)开一个口，使受感染的牙髓暴露出来。
Teeth may also be sensitive because of irritation to the tooth pulp from habits of clenching (clamping) or grinding.
牙齿过敏也是可能因为有药咬牙或磨牙的习惯而是的牙齿根管的受到刺激。
The mechanism and technology of tissue engineering were introduced into the study on repairing of injured pulp and hard tissues, and regeneration of a tooth.
牙齿组织工程学，是将组织工程学的原理和技术应用于牙体牙髓损伤修复和牙齿再生的研究。
In an advance summary, Dr Kerkis describes how she first extracted dental pulp from the tooth of a male donor.
在一篇早先的摘要中，Kerkis博士描述了她第一次怎样从一个男性捐赠者的牙齿中提取了牙髓。
The dentinogenesis and mineralization are the most important parts of the tooth development and dental pulp repair after injury.
牙本质形成和矿化是牙齿发育和牙齿损伤修复过程中的重要组成部分。
The primary study is around the effect of Nd:YAG Laser treatment of dentin hypersensitivity, the respondences of dental pulp and the morphological changes of tooth hard tissues after irradiation.
目前，主要的研究集中在激光治疗的效果、牙髓的反应和对牙齿硬组织的影响方面。
The pulp is located in a hollow canal in the center of the tooth..
牙髓的位置在牙齿中间的空管中。
If teeth tooth decay before boring to the dental pulp cavity, because root canal treatment technology was not developed teeth almost to escape the pull of fate.
以前如果牙齿蛀牙蛀到牙髓腔，由于当时根管治疗的技术并不发达，牙齿几乎难逃拔掉的命运。
Since pulp injuries are reported in tooth fracture, displacement and avulsion, it is commonly thought that pulp injuries were involved in almost every type of dental injuries.
牙髓组织损伤可存在于牙齿折断、牙齿移位和牙齿全脱臼。
AIM: to investigate the morphology of permanent human teeth of the Han Nationality and provide anatomic data for clinical treatment of tooth and pulp diseases.
目的：了解我国汉族人群恒牙牙体形态特征，为牙体、牙髓病的临床治疗提供解剖学资料。
Root canal treatment and finished tooth, lost in the pulp cavity nutrition supplies such as nerves, blood vessels, lymphatic, makes itself become more brittle fracture of teeth.
且做完根管治疗的牙齿，失去了牙髓腔中神经、血管、淋巴等营养供应，使得牙齿本身变得较脆易断裂。
AIM: to observe the changes in dental pulp and periodontal tissues under the application of distraction osteogenesis using tooth-attached intraoral distracter.
目的：研究使用牙支抗式牵张器行上颌骨牵张成骨术后牙髓和牙周的组织学改变。
Objective to observe the changes in dental pulp and periodontal tissues under the application of maxillary tooth-bone distraction osteogenesis using tooth-attached intraoral distractor.
目的研究使用牙附着式牵张器行上颌牙槽骨牵张成骨术后牙髓和牙周的组织学改变。
The main indications for RoCT are irreversible pulpitis and necrosis of the dental pulp caused by carious processes, tooth cracks or chips, or dental trauma.
需要根管治疗的最主要特征是因牙腐烂过程，牙破裂或牙片剥落，或牙外科创伤导致的不可逆转的牙髓炎和牙浆坏死。
Outer layer of the tooth enamel and ivory to protect the pulp quality.
牙齿的外层有珐琅质及象牙质来保护牙髓。
CONCLUSION: The tooth pulp diseases could be accurately diagnosed by applying helical CT and its 3D reconstrution methods, which could improve the diagnosis and treatment of complex root canal.
结论：应用螺旋CT及其三维成像技术，可对复杂的矸髓系统病变进行准确诊断，有效提高临床医生对复杂髓腔系统病变的诊断和治疗。
CONCLUSION: The tooth pulp diseases could be accurately diagnosed by applying helical CT and its 3D reconstrution methods, which could improve the diagnosis and treatment of complex root canal.
结论：应用螺旋CT及其三维成像技术，可对复杂的矸髓系统病变进行准确诊断，有效提高临床医生对复杂髓腔系统病变的诊断和治疗。
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