Dentistry – Orthodontics – Bracket
Patent
1985-01-23
1987-09-22
Morris, Theodore
Dentistry
Orthodontics
Bracket
433 9, 4331991, A61C 300, A61C 1310
Patent
active
046952519
ABSTRACT:
A manufacture for orthodontic bracket application and removal, employing an orthodontic bracket adhesive containing a non-toxic, inorganic filler which is insoluble in mouth fluids and has a Mohs hardness less than about 4.5, together with an abrasive for removal of the adhesive. The abrasive is a non-toxic, inorganic material having a Mohs hardness greater than that of the adhesive filler but less than about 5.
REFERENCES:
patent: 3405088 (1966-10-01), Scocrum
patent: 4115487 (1978-09-01), Rockett et al.
patent: 4138229 (1979-02-01), Takokoro et al.
patent: 4141144 (1979-02-01), Lustgarten
patent: 4221697 (1980-09-01), Osborn et al.
patent: 4433958 (1984-02-01), Fellman et al.
Cleveland David R.
Minnesota Mining and Manufacturing Company
Morris Theodore
Sell Donald M.
Smith James A.
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