1975-04-24
1976-08-17
Lever, Jack Q.
32 15, A61C 1900
Patent
active
039745678
ABSTRACT:
A temporary protector defined by a sheet of pliable paper or like material of such shape and size as to cover the masticating or occlusal surface of a dental crown. The sheet has first and second sides, with the first side being covered with a film of pressure sensitive adhesive. The film of pressure sensitive adhesive on each protector permits the latter to be removably bonded to the masticating surface of a dental crown prior to the crown being permanently secured to a prepared tooth by the use of conventional means, I.E. a crown and bridge cement, polycarboxylate cement, or the like. Each protector prevents the undulating masticating surface of the dental crown on which it is mounted from being contaminated with cement during the time it is being mounted on the prepared tooth structure. Removal of tiny particles of solidified cement from the surface of a dental crown after it is positioned on a tooth is a tedius, time-consuming operation and one that is completely avoided by use of the protector abovedescribed. The protectors prior to being used are preferably lightly bonded in longitudinal sequence on a first surface of a strip of pliable sheet material such as paper or the like, which strip is wound in the form of a roll and rotatably disposed in the interior of a transversely slotted housing.
REFERENCES:
patent: 2170147 (1939-08-01), Lane
"Datamark Stock Labels, " Datamark Inc., Cleveland, Ohio, Received 11/1967.
Babcock William C.
Lever Jack Q.
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