abstract |
The present invention relates to an orthodontic member having a tubular shape, a hollow polygonal column shape, a hollow polygonal conical shape, a hollow circular conical shape or a funnel shape, wherein the orthodontic member comprises a water-soluble or biodegradable substance. Accordingly, an orthodontic procedure can be carried out conveniently by inserting a wire into the orthodontic member of the present invention and bonding same to a tooth. |