拔牙

Observe the bone formation and depauperation of alveolar bone by X-ray and histological examinations,using those of the extraction sockets by normal healing as control.

于术后2、4、8周分别将犬处死，取拔牙创处牙槽骨标本，行X线和组织学切片检查，观察成骨情况及牙槽骨萎缩情况。

Serve main By : of project Polishing , the root canal cure , the periodontal disease cures the dentistry , clean tooth + establishing the tooth , tooth cosmetology , tooth flattening , fixing an artificial tooth , exercising the artificial tooth , children, extract a tooth , fill a tooth, health care and consult about.

服务项目主要为：植牙，牙齿美容，牙齿矫正，固定假牙，活动假牙，儿童牙科，洁牙+抛光，根管治疗，牙周病治疗，拔牙，补牙，保健与咨询。

Methods:Select 11～18 year old patients with bimaxillary protrusion 20 cases were randomly divided into two groups:TPA group,TPA＋Nance arch group.Two cases are the uprooting of four first premolars,the use of straight wire appliance technology,one step closure extraction gap analysis before and after treatment lateral skull X ray film and dental cast changes in the indicators.

选取11～18 岁双颌前突患者20 例，随机分为：TPA与TPA＋Nance弓两组；两组病例均拔除4个第一前磨牙，使用直丝弓矫治技术，一步法关闭拔牙间隙，分析治疗前后X线头颅侧位片及牙颌模型的各项指标变化。

The longest time was 22 months.the shortest time was 12 months. Conclusion The extraction planing of missing the first molars in class Ⅰmalocclusion is different from routine extraction mode.This clinical study indicated that it should chose nimble planing and for decurtate treatment time,according to arch crowding, profile and existing of the third molars.

第一磨牙缺失的患者在I类错牙合畸形中的拔牙模式有别于常规，要根据患者牙弓的拥挤程度，面型突度及有无第三磨牙等情况选择治疗计划和有利于缩短疗程的矫治方法。

After 4~8 months, in adult bimaxillary protrusion patients, cuspids were moved to distal, the upper first molars were moved 1.12mm mesially evenly, and the upper incisors were moved 7.91mm palatelly evenly.

成人双颌前突患者在4～8个月后远移尖牙到位，拔牙间隙基本关闭，上颌第一磨牙为近中整体前移，其冠部平均前移了1.12mm，上颌切牙冠部平均向腭侧倾斜移动约7.91mm。

A discriminate function, Z=0.952X_1 +0.591X_2(U1-Apgmm)–0.430X_3 was produced by multiplefactorial discrminate analysis. Z≥0 is an indication of extraction ,and Z is anindication of nonextraction on the other side.

将这些指标通过逐步判别分析得出的判别方程为：Z=0.952x_1+0.591x_2(U1-Apgmm)-0.430x_3，有助于这两种治疗方法的选择，Z≥0时，拔牙的可能性较大，Z﹤0时，不拔牙的可能性较大。

The expenditures of amalgam fillings (double- and triple-surface), endodontic treatment (single- and triple-root), pulpectomy, full mouth scaling, simple tooth extraction, simple odontodectomy, complicated odontodectomy increased after payment adjusted upward; the expenditures of amalgam fillings (single-surface), endodontic treatment (double-root), complicated tooth extraction showed inconsistent trends.

支付点数调整前后，银粉填充、恒牙根管治疗、乳牙根管治疗、简单性拔牙、单纯齿切除术、复杂齿切除术等八项医疗项目之实际给付金额随支付点数调高增加；银粉填充、恒牙根管治疗、复杂性拔牙等三项医疗项目之实际给付金额在支付点数调高之后有增有减。

The purpose pulled out a tooth for vacating space, give those because tooth hustle cause not tidy tooth rules, as for the blind side pulling out a tooth will gather together when the time comes, this hands over to a doctor, so don't the white purpose asks a doctor, whether want to inset false teeth the crevice pulling out, the words of false teeth directly don't sooner roast porcelain and also be subjected to this offense

拔牙的目的是为了空出空间，来给那些因牙齿拥挤导致不整齐的牙齿规位，至于拔牙的缝隙到时候会合拢，这个交给医生，所以不要白目的问医生，是不是要把拔掉的空隙镶上假牙，要假牙的话直接去烤瓷不更快，还受这个罪啊

METHODS: Broken roots of fifteen patients dislocated into maxillary sinus during teeth extraction were removed by negative pressure drainage, irrigation of maxillary sinus and filling gauze piece into maxillary sinus through tooth extraction wound.

对在拔牙过程中断根进入上颌窦的15例患者，应用经牙槽窝吸引法经牙槽窝上颌窦冲洗法、经牙槽窝上颌窦纱条填塞法进行手术取出断根。

Optional Dental Rider with your choice of dentists anywhere in the world covering Basic and Major dental procedures such as routine cleaning, periodontics, Endodontics, fillings, extractions, crowns, bridges and dentures.

任择牙科骑士与您所选择的牙医在世界上任何地方，包括基本和主要的牙科程序，如例行清洁，牙周病，牙髓，充填，拔牙，牙冠，牙桥和假牙。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。