拔除术

Methods: Fifty-fix adolescents were chosen and divided into first premolar extraction and nonextraction groups, with 30 and 26 patients respectively. The pretreatment and posttreatment panoramic radiographs were taken. The indexes of third molar eruption space, distance from third molar to occlusal plane and the length of mandible were measured and analyzed.

选择56例上下颌第三磨牙均存在的患者进行方丝弓正畸治疗，按照第一前磨牙拔除与否分为拔牙组（30例）和非拔牙组（26例），利用术前术后曲面断层片对患者上下颌第三磨牙萌出间隙、第三磨牙与胎平面的距离以及下颌长度进行测量分析。

Among the 14 freshly extracted mandibular and maxillary incisors, 6 were treated with conventional root canal filling technique, 8 were treated by half-softened gutta percha points technique.

在14个新拔除的下颌与上颌切牙上，6个用一般方法处理根管，8个用半软牙胶尖根管充填术进行处理。

The volume of bleeding was varied from 800 ml to 1700 ml. foley urethral catheter was pulled out 4 days after the operation in 3 cases, 5 days in 1 cases and 6 days in 2 cases, with no more presacral bleeding.

结果：6例骶前大出血中全部用foley尿管气囊压迫控制出血，术中出血量为800～1 700 ml，foley尿管于术后4 d拔除3例，5 d 1例，6 d 2例，均无再出血，会阴切口均一期愈合。

Results:Balloon of Foley catheter were used to stop bleeding in these patients. The volume of bleeding was varied from 800 ml to 1700 ml. Foley urethral catheter was pulled out 4 days after the operation in 3 cases, 5 days in 1 cases and 6 days in 2 cases, with no more presacral bleeding.

结果：6例骶前大出血中全部用Foley尿管气囊压迫控制出血，术中出血量为800～1 700 mL，Foley尿管于术后4 d拔除3例，5 d 1例，6 d 2例，均无再出血，会阴切口均一期愈合。

of increasing the use of space law and crown law chop lower third-molar extraction of 128 cases, and two methods in the extraction operation of complications were lunwen114compared.

方法运用增隙法和劈冠法拔除下颌阻生智齿128例，并对两种方法在拔牙术中的并发症进行比较。

METHODS: The first, second and third premolars of dogs were uprooted and received implantation 3 months later.

拔除家犬下颌第1，2，3前臼齿，3个月后行种植术。

Objective: To comparatively analyze the complications of extraction of impacted mandibular third molars with air turbine handpiece or chisel.

目的：对比两种方法拔除下颌阻生的第三磨牙在术中或术后出现并发症的情况，分析其可能原因及预防方法。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。