Self-shrinking preformed crown retention joint strip

• Main Authors: SHEN XIZHUO, JIANG XINYI, LI ZIYUAN, ZHANG MINGXUN, TENG YINGXUAN, LI SIYUAN, ZHU HONGYU
• Format: Patent
• Language: Chinese; English
• Published: 09.08.2022
• Subjects: APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; DENTISTRY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The invention discloses a self-shrinking preformed crown retention joint strip which comprises a functional joint strip, the functional joint strip comprises a force application section and at least two sections of pasting strips, the force application section is used for being attached to the surface of a preformed crown, the at least two sections of pasting strips are arranged at the two ends of the force application section respectively, at least one section of pasting strip is connected with the force application section through a shrinking strip, and the other section of pasting strip is connected with the shrinking strip. The functional joint strip integrally forms an integral structure, the at least two sections of the joint strips are respectively used for being adhered to chewing mucous membranes on the surfaces of alveolar cavities on the lip side and the tongue side of the preformed crown, and the contraction strip is made of a shape memory material. When the retention joint strip is used, after th