Combined saliva ejector, tongue retractor and throat protector

Details Combined saliva ejector, tongue retractor and throat protector Combined saliva ejector, tongue retractor and throat protector

1979-03-06

1981-03-31

Mancene, Gene

Dentistry

Apparatus

Having suction orifice

433138, A61C 1704

Patent

active

042590671

ABSTRACT:
A dental device for isolating a region of the mouth in which dental operations are to be performed includes a frame to retain the device in the mouth in substantially vertical orientation between the inside of the lower teeth and the patient's tongue. The frame includes a palatal member that engages the roof of the mouth and a lingual member connected to the palatal member to engage the mouth generally at the mouth floor. The palatal and lingual members are resiliently biased in a direction away from each other so that upon placement of the device in the mouth the device is in compressive engagement between the mouth floor and roof. The lingual member has a first portion disposed generally above the mandibular occlusal plane and extending outward to engage the lower teeth and a second portion extending generally downward below the mandibular occlusal plane. A shield member is affixed to the second portion and is sized to shield the tongue from the lower teeth. The tongue pressing against the shield member serves to stabilize the device in the mouth against lateral displacement with the second portion of the lingual member retained against the inside of the gums below the teeth.

REFERENCES:
patent: 443512 (1890-12-01), Gash
patent: 1042133 (1912-10-01), Marshall
patent: 2644234 (1953-07-01), Scott
patent: 2885783 (1959-05-01), Golden
patent: 2937445 (1960-05-01), Erickson
patent: 3090122 (1963-05-01), Erickson
patent: 3324855 (1967-06-01), Heimlich
patent: 3396468 (1968-08-01), Dayhoff
patent: 3758950 (1973-09-01), Krouzian
patent: 4053984 (1977-10-01), Moss

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