| 摘要 |
PROBLEM TO BE SOLVED: To provide a repeatedly usable and low-cost dental root canal treatment tool having a grip member with excellent chemical resistance, not damaged or melting-deformed even if repeating high temperature treatment or the like such as autoclave sterilization or dry hot sterilization, and not hydrolyzed not to be weakened. SOLUTION: In the grip member, 10-40 wt.% glass fiber is mixed in at least one selected from a group of a polyamide 66, a polyamide 46, a polyamide 612, and a polyamide MXD6. A base end part of a cutting point member formed with a cutting point cutting tooth substance in a tip part is embedded in the grip member.
|
