Title:
DENTAL COUPLING MEMBER AND MOUTHPIECE USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/039161
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a dental coupling member whereby a structure for adjusting maxillary and mandibular mouthpieces does not easily degrade over time, and a biofilm is not easily produced. This dental coupling member is attached to maxillary and mandibular mouthpieces to couple said maxillary and mandibular mouthpieces, regulates rearward displacement of the mandibular mouthpiece when the mouth is closed or when the mouth is opened, and can expand and contract. The dental coupling member comprises: an outer portion that is attached to one of the maxillary or mandibular mouthpieces and has a tubular section having female screw threads formed in an inner circumferential surface; and an inner portion that is attached to the other of the maxillary and mandibular mouthpieces and has a rod-shaped insertion part on which is formed male screw threads that screw together with the female screw threads. The outer portion and the inner portion are coupled by screwing together the female screw threads and the male screw threads, and the surface of the male screw threads and/or the surface of the female screw threads has a resin layer containing a specific resin.
Inventors:
YUKITA TAKASHI
IWABUCHI YUKI
HASEGAWA AKIRA
IWABUCHI YUKI
HASEGAWA AKIRA
Application Number:
PCT/JP2021/030046
Publication Date:
February 24, 2022
Filing Date:
August 17, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
A61C7/08; A61C7/36; A61C19/00; A61F5/56
Domestic Patent References:
| WO2018235888A1 | 2018-12-27 |
Foreign References:
| JP2019208735A | 2019-12-12 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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