The root tips of Tagetes patula with different length were dipped in three kinds of chemicals(colchicin,8-Hydroxyquinoline and P-Dichlorobenzene) in different pretreatment time to study squash technique of root tip.
选取不同根尖长度、不同预处理时间及用不同浓度的秋水仙碱、8-羟基喹啉、对二氯苯处理孔雀草根尖,进行根尖压片技术探索,结果表明孔雀草根尖长至0。
Usage status of periapical films undertaking in root canal treatment
根管治疗中根尖片使用的临床分析
Methods Periapical films in bisecting angle technique and in distant paralleling technique were performed on the selected 64 teeth from 40 patients who would begin fixed orthodontic treatment.
目的探讨前磨牙区分角投照根尖片和平行投照根尖片在评价牙齿长度方面的差异。
Conclusion Both periapical films in bisecting angle technique and in distant paralleling technique can reflect the real teeth length precisely in premolar area.
结论前磨牙区的分角投照根尖片和平行投照根尖片均能精确反映牙齿的实际长度。
Clinical Practicality of Oral Positioner for Parallel Projection of Digital Dental Film
数字化根尖片平行投照定位器临床实用性探讨
Comparison of panoramic and periapical radiogragh in evaluation of tooth length
曲面断层片和根尖片评价牙齿长度差异性的对比研究
Objective To discuss the reliability and practicality of the self- made digital dental film oral positioner for parallel projection.
目的探讨自制数字化根尖片平行投照定位器的可靠性和实用性。
The comparison of periapical films in bisecting angle technique and in distant paralleling technique on evaluation of premolar tooth length
前磨牙根尖片分角投照与平行投照牙齿长度的对比研究
Research into application of digital periapical film to preoperative assessment of removing intracanal separated instruments with ultrasonic technique under microscope
数字根尖片术前评估显微超声技术取根管内折断器械的应用价值研究
Results The actual teeth lengths shew no significantly different from the teeth length on periapical films of bisecting angle technique and of distant paralleling technique.
结果在前磨牙区,分角投照、平行投照根尖片影像长度和牙齿实际长度之间无显著性差异。
Educational Reform for Chromosome Flaking Experiment of Soybean Root Tip Cell
大豆根尖染色体制片实验的教学改革
rhizomatous begonia having leaves with pointed lobes suggestive of stars and pink flowers.
一种有根状茎的海棠，叶具有突尖的裂片，形状像星，花粉色。
Validity research of panoramic radiograph in diagnosing the root resorption of incisors caused by impacted maxillary canines
曲面断层片诊断阻生上颌尖牙造成的切牙牙根吸收的有效性研究
Microarrays analysis of Porphyromonas endodontalis,Porphyromonas gingivalis,and Prevotella intermedia,in chronic apical periodontitis
基因芯片技术分析慢性根尖周炎患牙产黑色素菌
cusped trailing edge
尖缘(叶片)出气边
The karyotype of six species of Citrus plant Root-tip Cells were analyzed by using common pressing plates method of preparing mitotic chromosomes sample.
采用染色体常规压片法,对柑桔属6种植物根尖细胞进行了核型分析。
acute sercus apical periodontitis
急性浆液性根尖周围炎
serous apical pericementitis
浆液性根尖牙周膜炎
In Vitro Study the Distances from the Foramina to the Root Apex and Its Clinical Significance
恒牙根尖孔至根尖顶距离及其临床意义
Bacterial biofilm on the apical external root surfaces of human teeth associated with chronic periradicular lesions
慢性根尖周炎患牙根尖外表面的细菌生物膜
The effect of different gutta-percha master cones on first penetration depth of spreader and apical microleakage
根充主牙胶尖对侧压深度和根尖微渗漏的影响