Dentistry – Orthodontics – Tool
Patent
1994-08-12
1996-01-30
O'Connor, Cary E.
Dentistry
Orthodontics
Tool
433 93, 433140, A61C 300, A61C 500
Patent
active
054876605
ABSTRACT:
An orthodontic apparatus includes a mouth prop for separating a patient'lips to provide access to the teeth, and a placement tool for placing orthodontic brackets on a patient's teeth. The mouth prop includes a flat platform which is inserted between the patient's upper and lower teeth to provide a base upon which a head portion of the placement tool may be supported to align a bracket on a tooth. The mouth prop preferably includes a fluid ejector tube affixed to the rearward edge of the platform to remove fluids from the patient's mouth during the procedure. The placement tool includes a head portion having a support plate for releasably securing a bracket during the positioning process. A leg affixed to the head portion support plate depends a predetermined distance and supports the bracket above the mouth prop platform at a desired height. The process of attaching the brackets includes the steps of securing a bracket to the placement tool head portion and applying an adhesive to the seat of the bracket. The placement tool head is then positioned on the mouth prop platform with the lower end of the head portion depending leg in contact with the platform to space the bracket a predetermined distance from the platform. The bracket is then placed into contact with the tooth to secure the bracket in position. The bracket is then disconnected from the placement tool and additional brackets are located in a similar fashion, all having uniform spacing from the platform so as to align the brackets uniformly on the teeth.
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patent: 5235991 (1993-08-01), Minneman
Frederiksen Mark D.
O'Connor Cary E.
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