Dentistry – Method or material for testing – treating – restoring – or... – Endodontic
Patent
1998-11-06
2000-02-15
Lewis, Ralph A.
Dentistry
Method or material for testing, treating, restoring, or...
Endodontic
4332281, A61C 502
Patent
active
060245697
ABSTRACT:
A new root canal filling point which is physicochemically stable, is not toxic to periapical tissue, can be sterilized and x-rayed; and has high elasticity and fracture resistance which enables the root canal filling point to be pressure-inserted into an even narrow or curved root canal. The root canal filling point is made of a copolymer consisting of propylene and ethylene, and a contrast medium.
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Ohne Mitsuasa
Shiiki Kazuo
Yamazaki Yasuo
Aytec Japan Corporation
Lewis Ralph A.
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