Mouth block

Dentistry – Apparatus – Jaw – cheek – lip – or tongue positioner

Reexamination Certificate

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Reexamination Certificate

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07066735

ABSTRACT:
A mouth block formed of either cotton, plastic or rubber which is to be placed between the teeth of a mandible and the teeth of a maxilla of a jaw to prevent chewing action. The mouth block has a tapered configuration with the widest part of the taper to be located near the front teeth and the narrowest part of the taper to be located directly adjacent the back teeth. The mouth block my include an attachment that facilitates the connection to a lanyard or a rod for the purpose of removing of the block when such is desired.

REFERENCES:
patent: RE20389 (1937-06-01), Pickett
patent: 2220674 (1940-11-01), Bloomheart
patent: 4372314 (1983-02-01), Wall
patent: 4869669 (1989-09-01), Grubbs
patent: 5033462 (1991-07-01), Storey et al.
patent: 5588836 (1996-12-01), Landis et al.
patent: 5673829 (1997-10-01), Hartshorn
patent: 6030217 (2000-02-01), Fletcher
patent: D442851 (2001-05-01), Wilson
patent: 6244866 (2001-06-01), Campbell
patent: 6449808 (2002-09-01), Zappa et al.
patent: 6634884 (2003-10-01), Phillips
patent: 6640393 (2003-11-01), Wendle

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