※ 引述《firecat (我曾经改变过)》之铭言： : By 必去文武 : 1.Definition of five different types of luxation injuries? (P630) : 2.What are the four types of healing of root fractures : described by Andreasen and Hjorting-Hansen ? (P626) : 3.What are the prognostic factors of root fracture ? (p629 , 630) : By Duck : 1.试举五个roor canal treatment後,造成persistent periapical radiolucency : 的五个biologic factor?(p934) : 2.为了能使治疗跟有效率,我们可以将persistent apical periodontitis : 分成哪四种group?(p945) : 3.当病人确定有endodontic posttreatment disease时,有哪四种基本的治疗选择?(p950) : by 宋承恩 : 1.Endodontically treated teeth are structurally different from unrestored vital teeth and : require specialized restorative treatment. The major changes include? : P.787 : 2. 影响根管治疗後所选用的复型材料和复型的方法有哪五种考虑因素? : P.787 : 3.Crown fractures的治疗方式有哪些? : P.617~P.624 : 回文请用repost : 解答请一并附在word党内上传至ftp : By Ansel : 1.The crown and crown preparation together must meet five requirements? : p.790 : 2.剩余齿质结构过少可能会造成什麽问题? : p.788 : 3.restorations for endodontically treated teeth are designed to? : p.789 : 老大 : 1. What are the causes of endodontic posttreatment disease? (P945) : 2. 试绘图表示apical periodonitis的分类(p543) : 3. What are the important considerations of restorative : treatment planning for endodontic treated teeth?(p787) : By 阿婉 : 1.What are the advantages of using dental operating microscope. (P149~150) : 2.What clinical features should posts provide ?(p.794) : 3.What are the advantages of using nonsurgical perforation ? : When should we use surgical perforation ? : What are the factors affecting the prognosis of perforation repair? : (p997~998) : By 外野吸尘器　杰 一、Major causes of tooth discoloration ? 二、 for the whitening of root-filled teeth 有哪些 Bleaching agents ? 三、Endodontic failures must be carefully evaluated so that a decision can be made among nonsurgical retreatment (NSRCT), surgical retreatment (SRCT), or extraction.请问何谓NSRCT ? 答案: 一： 1. Superficial changes affecting only the enamel surface 2. Discoloration of the tooth structure. 3. Tooth color changes, due to aging 二： Chlorinated lime (Dwinelle 1850) Oxalic acid (Atkinson 1862, Bogue 1872) Chlorine compounds and solutions (Taft 1878/1879, Atkinson 1879, Harlan 1891) Sodium peroxide (Kirk 1893) Mixtures consisting of 25% hydrogen peroxide in 75% ether (pyrozone) Sodium hypochlorite (Messing 1971) Superoxol (30% hydrogen peroxide, H2O2) (Harlan 1984/1985) Carbamide peroxide gels (Putter & Jordan 1989, Swift 1992, Frazier 1998) Sodium percarbonate (2Na2CO3‧H2O2) 三：NSRCT is an endodontic procedure used to remove materials from the root canal space,and if present,address deficiencies or repair defects that are pathlogic or iatrogenic in origin. -- 囧 ˋ /\ ˊ├┐ 十 日 女子 ╭╮ \/ 三 口 日 ,│ 目 疋 ││ >\ 口 ㄦ ┘ 大 口阿 ╰╯ ○ --

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