| 摘要 |
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 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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