随机法

Results: The content of MDA, the expression of Caspase-3 and Bcl-xl were significantly increased in the ASCI control group as compared with the false-operation group.

80只SD大鼠，随机分为假手术组(n=16)，ASCI盐水组(n-32)和ASCI治疗组(n-32)，采用改良的Allen法，制成中度脊髓损伤大鼠模型；各组按术后3h、6h、24h、48h随机分为4个亚组；检测各亚组脊髓组织MDA的含量；以免疫组化检测各亚组脊髓组织Caspase-3表达和Bcl-xl基因表达。

Bonesetting,pull combined wiht dexamethasone and mannitol which were given by infusion are applied for the latter group,their curative effect is observed.

采用单盲对比法将患者随机分成两组，治疗组58例，对照组50例，分别采用针灸正骨法和正骨法配合静脉滴注甘露醇、地塞米松疗法相对照，进行对比观察。

Methods:The randomly group sampling,parallet comparison and dilamination methods are used in this study.166 cases (10 falling off) was observed on giving priority to diferent treatment of yiqi yangyin,wenbu spleen and kindey,qingre jiedu and evaluate the change of different quantity arrangement of CD4~+T lymphocyte cell of different treatment of TCM on HIV asymptomatic carriers.

采用随机整群抽样、平行对照、分层研究的方法，分别以益气养阴法、温补脾肾法和清热解毒法为主对166例(脱落10例)感染者进行干预，观察中医不同治法对感染者不同层次CD4~+T淋巴细胞的变化。

Appraised the clinical effect of the flavone of rhizome drynania on Senile Osteoporosis, according to the dynamic observation on integrative scores of lumbodorsal pain and lumbodynia,"VAS section grading method" on lumbodynia,"Barthel index rating method" on ADL, detected BMD on anterior-posterior position lumbar2~4 vertebra body and proximate of femur including neck/ward/troch, and determined the index of bone transition including BGP/PINP/ICTP through the radioimmunity method before and after treated half a year, then contrast intragroup and selfgroup. Depending on the standard of curative effect, contrast the difference of curative effect between two groups.

采用随机对照的方法，分为治疗组36例，对照组34例，依据对腰背痛及腰痛综合评分进行动态观察；依据&疼痛VAS线段分级法&对腰背痛（静止痛、翻身痛、久坐痛、起身痛、弯腰痛、步行痛、睡眠痛、叩击痛、压痛）进行量化动态观察；依据&Barthel指数评定法&对老年性骨质疏松症日常生活活动能力进行观察；采用双能X线骨密度仪对腰椎(L2-L4)、股骨近端各部位：股骨颈、股骨三角区、股骨粗隆进行骨密度定量检测；应用放射免疫法对骨转换指标进行测定，骨形成指标：骨钙素、Ⅰ型前胶原氨基端前肽；骨吸收指标：Ⅰ型胶原交联羧基末端肽等，评价骨碎补总黄酮治疗老年性骨质疏松症的临床效果。

Methods The PCO rat models, prepared by pregnancy hormone combine with human chorionic gonadotrophin, randomly divided into four group as control, model, Chinese crude drug and western medicine group; The levels of serum gonadal hormone were detected by radioimmunoassay; The effects of ZYC on ovaries and ovarial follicular development were observed by light microscope; And the expression level of TNF-α was detected with the immunohistochemical staining technique.

采用孕激素联合人绒毛膜促性腺激素造模法制备PCO模型大鼠。随机分为对照组、PCO模型组、PCO模型组+助孕胶囊组、PCO模型组+克罗米酚组，运用放免法测定血清性激素水平的变化；光镜观察卵巢、卵泡发育的影响，免疫组化学法检测卵巢组织肿瘤坏死因子α表达水平。

Methods A total of 101 teeth(87 cases) with Ⅱ-Ⅲ degrees loosening or completely dislocation caused by trauma were randomly treated by either wire ligature, arch bar splint, or stainless wire-enamel adhesion. The Outcomes were assessed.

选择口腔科门诊因外伤导致牙齿Ⅱ~Ⅲ度松动或牙完全脱位的病人87例共计101颗患牙，随机采用金属丝结扎法、牙弓夹板法及钢丝－釉质粘合剂法进行固定，观察疗效。

MethodsA total of 101 teeth(87 cases) with Ⅱ-Ⅲ degrees loosening or completely dislocation caused by trauma were randomly treated by either wire ligature, arch bar splint, or stainless wire enamel adhesion. The outcomes were assessed.

选择口腔科门诊因外伤导致牙齿Ⅱ～Ⅲ度松动或牙完全脱位的病人87例共计101颗患牙，随机采用金属丝结扎法、牙弓夹板法及钢丝釉质粘合剂法进行固定，观察疗效。

Objective To evaluate clinical effect of the handling ProTaper Nickel-titanium rotary instruments in preparation of canals of posterior teeth.Methods 96teeth with pulpitis or periapical periodontitis were instrumented by handling ProTaper rotary instruments using step-down technique,and by K files using step-back technique for control.All teeth were obturated with lateral condensation methods.The efficiency of preparation was analyzed with ra-diographs before and after operation.

目的 评价手用ProTaper预备后牙根管的临床效果方法选取患有牙髓炎和根尖周炎的后牙96例，随机分成试验组和对照组各48例，试验组用手用ProTaper 锥度镍钛旋转器械逐步伸入法预备根管，对照组用K锉，逐步后退法预备根管，两组均用侧向加压充填法充填根管，根据治疗后的X线片，评价后牙根管预备效果。

Methods 96teeth with pulpitis or periapical periodontitis were instrumented by handling ProTaper rotary instruments using step-down technique,and by K files using step-back technique for control.All teeth were obturated with lateral condensation methods.The efficiency of preparation was analyzed with ra-diographs before and after operation.

选取患有牙髓炎和根尖周炎的后牙96例，随机分成试验组和对照组各48例，试验组用手用ProTaper多锥度镍钛旋转器械逐步伸入法预备根管，对照组用K锉，逐步后退法预备根管，两组均用侧向加压充填法充填根管，根据治疗前后的X线片，评价后牙根管预备效果。

objective to evaluate clinical effect of the handling protaper nickel-titanium rotary instruments in preparation of canals of posterior teeth.methods 96teeth with pulpitis or periapical periodontitis were instrumented by handling protaper rotary instruments using step-down technique,and by k files using step-back technique for control.all teeth were obturated with lateral condensation methods.the efficiency of preparation was analyzed with ra-diographs before and after operation.results no transportation,apical blockage and ledge were found in test.the technique could keep canals smooth.there were two ledge,one instrument fracture and nine transportation in control.the operative time was shorter and post treatment pain seldom occurred in handling protaper group.conclusion the handling protaper niti rotary instruments can prepare the canals effectively and safety.after the preparation,the canals could be easily washed,sterilized and filled.it is an efficient instrumentation method for posterior teeth's canals and be used widely.

目的 评价手用protaper预备后牙根管的临床效果。方法选取患有牙髓炎和根尖周炎的后牙96例，随机分成试验组和对照组各48例，试验组用手用protaper多锥度镍钛旋转器械逐步伸入法预备根管，对照组用k锉，逐步后退法预备根管，两组均用侧向加压充填法充填根管，根据治疗前后的x线片，评价后牙根管预备效果。结果试验组无根管偏移、根尖阻塞、台阶，且根管壁平滑流畅，无器械折断等并发症发生。对照组有2例台阶形成，器械折断1例，根管偏移9例。试验组操作时间短且术后疼痛轻微。结论应用手用protaper预备后牙根管快速、安全，成形效果好，易于根管冲洗消毒及填充，可视为临床上预备后牙根管的有效方法。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。