1) crown-root-fractured teeth
冠根联合折断
1.
Objective To observe clinical efficacy of crown lengthening surgery for the treatment of crown-root-fractured teeth,subgingival fractured edge.
目的观察牙冠延长术治疗断缘位于龈下的冠根联合折断牙的临床效果。
2) endo-prosthodontical treatment
冠根联合治疗
1.
METHODS:359 cases that had received a complete endo-prosthodontical treatment five years ago were selected.
目的:分析后牙冠部轴壁缺损数量和位置与治疗预后的关系,揭示牙体缺损情况对后牙冠根联合治疗预后的影响,为临床治疗提供理论依据。
3) crown and root fracture
冠根斜折
1.
Objective: To avoid the affection of the injury to the healthy orth-teeth and the beauty because of the absorption of the alveolar bone after the teeth extraction,by remaining teeth with crown and root fracture under gingiva within 3 mm.
目的:探讨保留冠根斜折至龈下3 mm以内的患牙,避免拨除患牙后对健康邻牙的损伤,牙槽骨塌陷对美观的影响。
4) crown-root fracture
冠根折
1.
Objective:To observe the clinical effect of tooth extrusion with progressive methods for anterior teeth with crown-root fracture.
目的:观察用改进的固定矫治器进行牙根牙合向牵引治疗前牙冠根折的临床疗效。
5) crown fractured
冠根折裂
6) interacanal fractured instrument
根管内折断器械
1.
Methods: Fifty four teeth with 54 interacanal fractured instrument were endodontically treated using G-G bur with ultrasonic techinque under dental operating microsc (DOM).
目的:分析G-G钻结合显微超声技术取出根管内折断器械失败的原因,为临床提高根管治疗成功率提供资料。
补充资料:香港联合交易所加入国际交易所联合会
香港联合交易所加入国际交易所联合会
[香港联合交易所加入国际交易所联合会]1986年9月,香港联合交易所于近期内获得国际交易所联合会正式批准加人成为其会员。加人国际交易所联合会后,香港联合交易所成为一家受国际认可的交易所,外国银行亦会接受在香港上市的股票作为借贷抵押品,使香港股票成为一种国际有价证券。
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