Dental device and method for its use

An instrument and dental technology, applied in the field of dental instruments and their use, which can solve problems such as trauma and patient time-consuming
CN1905844AInactive Publication Date: 2007-01-31RETRACTOTOP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
RETRACTOTOP
Publication Date
2007-01-31
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a dental device comprising a sheath for fitting over a tooth, the sheath carrying a haemostatic agent in at least one region thereof, wherein the sheath comprises a generally cylindrical body having at least a first end and a second end, at least one of said first and second ends presenting a circumferential margin carrying at least part of the haemostatic agent, and wherein the at least one end carrying at least part of the haemostatic agent is open to a cavity and the other end is closed. A method of inhibiting or preventing gingival bleeding and a method of retracting gingivae using such a device are also provided.
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Description

technical field

[0001] The present invention relates to a dental instrument and a method of use thereof, the purpose of which is to prevent gum bleeding and / or to retract gums during various dental operations. Background technique

[0002] During the preparation of crowns, bridges and veneers, teeth have to be reshaped and impressions are taken of prepared teeth; various impression materials are used. It is always necessary to control the small amount of bleeding that occurs around the gums, near prepared teeth. The gingiva must also be retracted to allow the impression material to take an accurate impression on the margins of the prepared tooth.

[0003] The most common method of controlling bleeding and compressing gingival tissue is the use of retraction cords. These threads are impregnated with epinephrine, racemic epinephrine hydroxide and norepinephrine (synthetic epinephrine) and astringents such as ferric chloride and aluminum chloride.

[0004] The gum line has t...

Claims

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