Apparatus for preventing accidental swallowing and swallowing of the crown

摘要

Problem to be solved: to provide an apparatus for preventing accidental swallowing and swallowing of the crown which can be easily and accurately performed with an existing instrument, while the safety of trial and mounting operation of the crown and the like is greatly improved.Prevention of accidental swallowing and aspiration of the crown during mounting of the crown 10. It is composed of a ring member 2 which is elongated in the outer circumferential direction of the crown in a plane view, and has a soldering portion 3 formed in a concave shape so as to be aligned with the outer peripheral surface 10a of the crown, and a ring member is detachably fixed to the predetermined position of the crown at the soldering portion, and the floss is inserted into the ring member.Selection diagram