根面

根面龋的治疗体会

Medical Treatment Experience of Decayed Tooth at Root Face

结果扫描电镜下见早期根面龋呈蜂窝状或蚕蚀状，Nd：YAG激光照射后呈熔融状，封闭后根面龋损区表面光滑。

Results Surface layer on eraly root face caries were seen to be honeycomb or nibbled before irradiation , melted after irradiated by Nd : YAG laser , and with a smooth surface of the lesion after sealed .

P组患牙予以洁治、根面平整和碘氧液冲洗疗法。

P group were treated with scaling and root planning .

含根面沟样本可能与多根管和C形根管有关。

Complex root canal and C-shaped canal may relate to sample of root groove . 3 .

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 .

门诊患者根面龋危险因素的Logistic回归分析

Analyzing the risk factors of root carries in outpatient by Logistic regression analysis

根面龋的发病情况用Logistic回归分析计算结果判别的总正确率为93.24%。

The overall ratio correct of the root carries by the Logistic regression was 93.24 % .

甲硝唑局部应用对龈下刮治和根面平整影响的Meta分析

Effect of Local Application of Metronidazole with Scaling and Root Planing : A Meta-Analysis

结论EDTA较大程度地保留根面纤维结构，作为根面处理剂有可能优于酸性处理剂。

Conclusion It indicated that EDTA could profoundly protect root collagen fibers and would be a potentially better root conditioning agent .

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 .

方法：用选择性培养基MS和BYS对30例根面龋中的变形链球菌、放线菌定量研究。

Methods : Streptococcus mutans and Actinomyces in 30 cases of dental root surface caries are studied quantitatively by selective media .

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 .

结果：NFkB在幼犬替牙期的恒牙胚上方骨组织中的破骨细胞以及乳牙根面和牙髓腔内的破牙细胞中均有阳性信号表达。

Results : NF-kB positive signals were observed in the osteoclasts up to the permanent tooth germ and in odontoclasts in the medial wall of the pulp cavity of deciduous teeth .

目的：观察并比较洁治术与根面平整术对中度慢性牙周炎（chronicperiodontitis，CP）患牙最大咬合力和牙周临床指数的改善程度，提示医患双方重视、坚持系统的牙周治疗。

Objective To evaluate the changes of the occlusal force and the clinical periodontal parameters following initial therapy in chronic periodontitis , in order to help the clinicians and patients to preserve the systemic periodontal treatment .

目的探讨胶原酶对脱矿后的人牙根面牙本质胶原蛋白的降解作用。目的：观察K+、乙酸（HAc）、胰蛋白酶对根面牙本质胶原蛋白降解的影响。

Objective The purpose of this study was to evaluate the effect of degradation of human root dentin collagen treated with collagenase after demineralization .

目的：研究由牙周非手术治疗引起的牙髓和根面牙本质敏感（RDS）的改变。

AIM : To study the effects of supragingival , subgingival scaling and root planning ( S / RP ) on pulp and root dentine sensitivity ( RDS ) .

目的观察釉基质蛋白（EMP）对牙周膜细胞（PDLC）在牙周炎患牙牙骨质根面上附着和增殖的影响。

Objective To evaluate the effect of enamel matrix protein ( EMP ) on the attachment and proliferation of periodontal ligament cells ( PDLC ) on diseased cementum surfaces in vitro .

K~+和pH4.0乙酸对根面牙本质胶原蛋白降解影响的实验研究

Experimental study of effects of K ~ + and pH 4.0 acetic acid on the degradation of human root dentin collagen

盛花期至成熟期，根面土壤脲酶活性的动态变化呈倒V状的变化趋势，即为结荚期以前土壤酶活性逐渐升高，结荚期酶活性值最大，成熟期逐渐降低。

From flowering stage to podding period , the dynamic change of root-soil interface soil urease activity shows " V " - shaped trend , soil enzyme activity increased gradually before podding period , which reached the highest up to podding period and reduced gradually at maturity .

本期JOP的另一研究显示，通过如洁治和根面平整术等牙周病治疗可降低CRP的水平。

Based on findings from another study in this JOP issue , CRP levels may now be reduced by periodontal treatment such as scaling and root planing in patients with severe periodontal disease .

方法：选择60~84岁有牙龈萎缩、根面暴露的418名老年人，随机分为NaF组、LaCl3组、NaF+LaCl3组和对照组。

METHODS : Four hundred and eighteen aged patients with gingival marginal atrophy and root surface exposure were enrolled in this study . The patients were randomized into NaF , LaCl_3 , NaF + LaCl_3 rinse solution group and control rinse solution group .

3D-重T2W水成像技术显示面听神经及内耳结构的研究下颌第一前磨牙的根面沟对牙根和根管X线影像影响的离体研究

Normal anatomy of inner ear and IAC on FSE 3D heavy T_2 weighted MR imaging Radiographic diagnosis of variations of root and root canal anatomy in mandibular first premolar teeth with anatomical crevices on the root surface in vitro

结论：RECOLITE对老年人静止根面龋既有消毒作用又对其伴牙本质过敏症具有治疗作用。

Conclusions : RECOLITE is a kind of persistent , strong-effective , and safely sterilized sterilization agent for the treatment of dentine hypersensitivity of quiescent root caries in the elderly .

根面平整术治疗单纯性牙周炎临床和细菌学研究

Clinical and microbiological evaluation of root planing in treatment of periodontitis

三种材料修复根面龋的临床效果观察

Clinical effects of three kinds of filling materials for root caries

目的选择老年根面龋充填治疗的理想材料。

Objective To select good material to fill senile cementum caries .

超声龈下刮治对根面影响的扫描电镜研究

A scanning electron microscopic study of root surface following ultrasonic instrumentation

结论支持放线菌是根面龋优势菌。

Conclusion Actinomyces is the dominant bacterium of dental root surface caries .

牙周非手术治疗对牙髓和根面牙本质敏感的影响

Effects of non-surgical periodontal treatment on sensitivity of pulp and root dentine