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method of measuring thickness of devices obtained by termoformatura
专利权人:
NIVOL S.R.L.
发明人:
BARONE, SANDRO,RAZIONALE, ARMANDO VIVIANO,PAOLI, ALESSANDRO,BARONE SANDRO,RAZIONALE ARMANDO VIVIANO,PAOLI ALESSANDRO
申请号:
IT201700008019
公开号:
IT201700008019A1
申请日:
2017.01.25
申请国别(地区):
IT
年份:
2018
代理人:
摘要:
The present invention relates to a method for measuring (100) the thickness of devices (20) obtained by thermoforming a sheet of thermoplastic material on a positive mold (10). In particular, the present invention relates to a method for measuring the thickness of orthodontic dental devices obtained by thermoforming processes, such as orthodontic braces for incremental dental repositioning, bites, occlusal guides and so on, which comprises the steps consisting in acquiring (110) a plurality of images of the device (20) obtained by thermoforming in configuration fitted on the positive mold (10) and deriving therefrom a three-dimensional digital model of the assembly consisting of the positive mold (10) and the device (20) obtained by thermoforming fitted on the same (10); acquiring (120) a plurality of images of the positive mold (10) in the absence of the fitted thermoformed device (20) and deriving therefrom a three-dimensional digital model of the positive mold (10) alone; comparing (130) the two three-dimensional digital models derived and calculating thicknesses of the thermoformed device (20) on the basis of the differences detected by the comparison.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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