1992 年 13 巻 1 号 p. 70-74
The Opian Carrier which is ordinary used so far for the Opian Carrier Method has been straight in shape, Therefore, the carrier cannot be inserted deep enough in the tooth of which a curved root canal is formed.
And it results in the increase of difficulty of the root canal filling.
Then, Fine Flexible Carrier which can be inserted in through the elbow of the root canal is devised and publicized here.