Dental care apparatus

Details Dental care apparatus Dental care apparatus

1990-04-24

1992-06-09

Wilson, John J.

Dentistry

Apparatus

Having intra-oral dispensing means

A61C 302

Patent

active

051202190

ABSTRACT:
This apparatus is of the type comprising a hand instrument (5) adapted to perform a sandblasting operation by projecting a powder onto the teeth, combined with a rinsing operation by projecting a liquid.
According to the invention, the powder (300) is contained in a first receptacle (3) in which it is suspended in compressed air, whereas the rinsing liquid (400) is contained in a second receptacle (4), and there is provided a single compressor (1) which supplies compressed air to the two receptacles (3, 4), conduits (30, 40) transferring respectively the powder suspended in the compressed air and the liquid to the hand instrument (5), from where the two flows of treatment are projected by means of an intrabuccal cannula (51).

REFERENCES:
patent: 2825135 (1958-03-01), Tilden
patent: 3718973 (1973-03-01), Slater
patent: 3949753 (1976-04-01), Dockhorn
patent: 3954407 (1976-05-01), Andary et al.
patent: 3955922 (1976-05-01), Moulthrop
patent: 3971136 (1976-07-01), Madsen
patent: 4482322 (1984-11-01), Hain et al.
patent: 4522597 (1985-06-01), Gallant
patent: 4696644 (1987-09-01), Goof
patent: 4906187 (1990-03-01), Amadera
patent: 4941298 (1990-07-01), Fernwood et al.

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