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METHOD FOR ESTIMATING AT LEAST ONE OF SHAPE, POSITION AND ORIENTATION OF A DENTAL RESTORATION
专利权人:
NOBEL BIOCARE SERVICES AG
发明人:
KEUSTERMANS, JOHANNES,VAN LEEMPUT, PIETER,WOUTERS, VEERLE,MOLLEMANS, WOUTER
申请号:
CA3024372
公开号:
CA3024372A1
申请日:
2017.06.20
申请国别(地区):
CA
年份:
2017
代理人:
摘要:
The present invention provides a method for obtaining an estimation of the shape, position and/or orientation of one or more existing teeth of a patient or of one or more teeth to be included in a dental restoration destined to replace one or more missing teeth in a partially edentulous patient. The method involves adapting a virtual teeth setup to the intra-oral anatomical situation of the patient, wherein said virtual teeth setup comprises separated surface meshes of individual teeth positioned in a dental arch or segment thereof. The virtual teeth setup is adapted by optimizing an energy function, which represents a quality measure for said virtual teeth setup, and using a statistical model, which describes for a given dentition or segment thereof a probability distribution for at least the shapes of individual teeth, the relations between shapes of neighbouring teeth and/or relations between positions and/or orientations of neighbouring teeth. The adapted virtual teeth setup resulting from said optimized energy function is subsequently used to estimate said sought for shape, position and/or orientation.
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中国工程科技知识中心
来源网址:
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