发明授权
US5002489A Dental prosthesis 失效
牙科假体

Dental prosthesis
摘要:
A dental prosthesis comprises an element fixed in a mouth, a removable dental porsthesis component placed on the element, and a removable connection of the dental prosthesis component with the element and including vertical groove formed in an adjacent surface in each of the element and the component, the grooves being located immediately opposite to one another and open into one another, the connection further including a resilient friction element engaging in the grooves.
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