West China Journal of Stomatology ›› 2020, Vol. 38 ›› Issue (5): 525-531.doi: 10.7518/hxkq.2020.05.009
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Zhang Ting1,2(), Chen Du3, Miao Leiying1,2, Xie Sijing1,2, Tang Xuna1,2,4(
)
Received:
2020-01-17
Revised:
2020-03-15
Online:
2020-10-01
Published:
2020-10-14
Contact:
Tang Xuna
E-mail:zhangting7700@163.com;xunatang@126.com
Supported by:
CLC Number:
Zhang Ting, Chen Du, Miao Leiying, Xie Sijing, Tang Xuna. Guided endodontic access of calcified root canal by laser melting templates[J]. West China Journal of Stomatology, 2020, 38(5): 525-531.
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Tab 1
Deviations of planned and repared access cavity at base and tip of the bur in the first case
项目 | 角度偏差/° | 钻基底偏差/mm | 钻尖端偏差/mm | ||||
---|---|---|---|---|---|---|---|
近远中向 | 颊舌向 | 冠根向 | 近远中向 | 颊舌向 | 冠根向 | ||
平均值 | 1.770 | 0.403 | 0.463 | 0.497 | 0.433 | 0.493 | 0.537 |
最小值 | 1.550 | 0.390 | 0.450 | 0.490 | 0.420 | 0.480 | 0.520 |
最大值 | 1.980 | 0.410 | 0.480 | 0.500 | 0.420 | 0.500 | 0.550 |
标准差 | 0.215 | 0.012 | 0.015 | 0.006 | 0.015 | 0.012 | 0.015 |
Tab 2
Deviations of planned and repared access cavity at base and tip of the bur in the second case
项目 | 角度偏差/° | 钻基底偏差/mm | 钻尖端偏差/mm | ||||
---|---|---|---|---|---|---|---|
近远中向 | 颊舌向 | 冠根向 | 近远中向 | 颊舌向 | 冠根向 | ||
平均值 | 3.260 | 0.247 | 0.347 | 0.183 | 0.347 | 0.463 | 0.310 |
最小值 | 3.210 | 0.230 | 0.330 | 0.180 | 0.330 | 0.450 | 0.300 |
最大值 | 3.320 | 0.260 | 0.360 | 0.190 | 0.360 | 0.480 | 0.320 |
标准差 | 0.056 | 0.015 | 0.015 | 0.006 | 0.015 | 0.015 | 0.010 |
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