牙槽骨吸收

牙槽骨吸收是导致临床咀嚼困难和失牙的主要原因。

Alveolar bone resorption is the major reason of dysmasesia and dyspepsia .

结果：治疗前：钛金组与非夹板组、钴金组患牙松动度、牙周袋深度、牙周附着丧失、牙槽骨吸收量的比较差异均无统计学意义（P＞0.05）；

Results : Before treating , there were no statistical differences between Titanium-alloy splint group and non-splint , Co-Cr-alloy splint group in tooth mobility , probing depth , attachment loss and alveolar bone resorption ( p > 0.05 ) .

X射线片显示牙槽骨吸收。

X-ray showed that the alveolar bone was absorbed .

结果：1.采用三种不同方式处理的拔牙创在促进新骨形成、防止牙槽骨吸收方面与单纯压迫止血者比较，差异有统计学意义（P＜0.05）。

Results : 1 . There were significantly different between each different method and compression to stop bleeding on preventing the absorption of alveolar bone and new bone formation ( P0.05 ) . 2 .

目的建立大鼠后牙牙槽骨吸收模型并对破骨细胞（OCs）进行鉴定。

Objective To build a mode of Alveolar bone resorption in rats and identify OCs by calcitonin receptor antibodies .

血清ALP活性、Ca2+和OC浓度不能作为观察动物模型中牙槽骨吸收及再生的有效指标。

Serum ALP activity , Ca 2 + and osteocalcin ( OC ) levels can not be used as the effective index for examining alveolar bone resorption and regeneration in animal models .

二者在减缓牙槽骨吸收方面无显著差异，但DBM比ADM更有利于早期拔牙创的骨愈合及骨改建。

There is no significant difference between their effects on preserving height of alveolar bone , but DBM is better than ADM for early healing of dental sockets and remodeling of alveolar bone .

目的：检测GSB、DL提取液对成骨细胞株MC3T3-E1细胞增殖、分化和钙化的影响及对大鼠实验性牙槽骨吸收模型的疗效。

Objective : To examine the effect extracts of GSB and DL on MC3T3-E1 cell and alveolar bone resorption model in SD rat respectively .

动物实验研究发现大鼠去势（OVX，ovariectomy）诱导的雌激素缺乏可引起下颌骨密度降低、下颌骨骨皮质变薄及牙槽骨吸收。

Animal experiments with ovariectomized ( OVX ) rats also demonstrated that estrogen deficiency may result in low mineral density of mandible , thin cortex of mandibular body , and resorption of alveolar bone .

结果显示：牙合力丧失引起牙周膜结构紊乱、牙槽骨吸收，同时牙周细胞中PGE2表达较正常牙合力者明显增强。

The results showed that under the lost occlusal force , periodontal ligament structure was disorganized and alveolar bone was absorbed ; in the meantime , the expression level of PGE 2 increased apparently in periodontal cells .

结论OPG、RANKL、RANK表达的变化规律与牙槽骨吸收重建的过程及破骨细胞数量的变化规律相似，OPG/RANKL/RANK系统在骨吸收机制中发挥了重要作用。

The effect of alveolar resorption was reduced after 20 days . Conclusion : Expression of OPG . RANKL , RANK changed similar with alveolar reconstruction process and the number of osteoclasts . OPG / RANKL / RANK system plays an important role in bone resorption mechanisms .

结果：咬合力丧失导致牙周膜结构紊乱、牙槽骨吸收，IL-1β在PDLC和成骨细胞中的表达，较正常咬合力时明显增强。

RESULTS : In the group of lost biting force , derangement of periodontal ligament and resorption of alveolar bone were observed in histologic study . The expression of IL-1 β in PDLC and osteoblasts enhanced apparently than in the group of normal biting force with IHC technique .

5例患者有末端基牙牙槽骨吸收。

Cases had the bone lost of the end abutment teeth .

影响无牙颌牙槽骨吸收的某些因素的初步研究

A Preliminary Study of some Factors Influencing the Resorption of Edentulous Alveolar Ridge

覆盖义齿与牙槽骨吸收关系初步探讨

Primate study on the relationship of overdenture and the absorption of alveolar bone

x线片显示牙槽骨吸收达根长的1/2&2/3。

X-ray alveolar bone absorption of display root long 1 / 2-2 / 3 .

目的探讨牙槽骨吸收与糖尿病高血脂症的关系。

Objective To study the possible relations between alveolar resorption and diabetes and hyperlipidemia .

目的用骨质疏松及牙槽骨吸收动物模型评价阿仑膦酸盐对骨吸收的防治作用。

Objective To evaluate the anti osteoporosis effect of alendronate on bone in rat model .

牙槽骨吸收与吸烟状况的研究

Alveolar bone loss and cigarette smoking

雌激素替代疗法对骨质疏松实验性牙周炎大鼠牙槽骨吸收的影响

The impact of estrogen replacement therapy upon alveolar bone absorption in osteoporosis rats with experimental periodontitis

研究表明，雌激素对破骨细胞有抑制作用，雌激素缺乏会加速牙槽骨吸收。

Studies have shown that estrogen can inhibit osteoclast , estrogen deficiency accelerated alveolar bone loss .

三维有限元法分析下颌切牙牙槽骨吸收与应力分析的相关关系

The Relation between Bone Loss of Mandibular Incisors and Stress Distribution Patterns with Three-Dimensional Finite Element Analysis

牙槽骨吸收和牙周袋形成是牙周病的最主要症状。

Alveolar bone resorption and formation of periodontal pocket are considered to be cardinal of the periodontal disease .

结果：无牙根保留的牙槽骨吸收较有牙根保留的牙槽骨吸收明显。

Results : bone resorption was more obvious in alveolar bone with residual roots than that without roots .

口腔正畸治疗过程是牙槽骨吸收与再生，牙齿重新排列的过程。

Orthodontic treatment is the process that alveolar bone is absorbed and regenerated , and then teeth are re-arranged .

研究雌激素缺乏对宿主牙周炎易感性的影响，从细胞因子的网络调控方面探讨牙周炎牙槽骨吸收的发病机制。

Trying to elucidate the mechanism of alveolar bone resorption in periodontitis with the network of synergistic cytokines action .

龈上洁治、龈下刮治对控制慢性牙周炎牙槽骨吸收的临床疗效观察

Clinical Evaluation of the Supragingival Scaling and Subgingival Scaling to Contral the Absorption of Alveolar Bone on Chronic Periodontitis

当一侧单根基牙牙槽骨吸收达20%时，此基牙出现应力集中；

When absorption of alveolar bones around a single root abutment reached 20 % , its stress was concentrated .

应用药物控制炎症、阻断牙槽骨吸收和促进骨再生是不可缺少的一种治疗方法。

Drug control is sine qua non method to eliminate inflammation , block up frontal resorption and promote osteanagenesis .

大鼠雌激素低下时下颌剩余牙槽骨吸收与骨质疏松症雌激素相关标志在乳腺癌中的表达及其预后意义

Osteoporosis and Reduction of Residual Ridge in Rats The Expression of Estrogen-related Markers in Breast Carcinoma and its Prognostic Significance