ORTHODONTIC APPLIANCE AND MANUFACTURING METHOD THEREOF

• Main Authors: URATA YASUFUMI, MATSUMOTO NAOZUMI, HAMAZAKI KENYA, KAWASAKI SATOSHI, ISHIGAME MASARU, SUGIYAMA MOTOHIKO
• Format: Patent
• Language: English; Japanese
• Published: 27.12.2021
• Subjects: APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; DENTISTRY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

To provide an easily-manufacturable orthodontic appliance capable of obtaining prescribed strength.SOLUTION: An orthodontic appliance includes a pair of right-and-left floor parts 11 locked to the inside of a back tooth 4 which is a dentition part, an expansion screw 15 provided between the pair of right-and-left floor parts 11, for widening outside the interval between the pair of right-and-left floor parts 11, and a guide part 16. The pair of right-and-left floor parts 11 have a resin sheet molded so as to be fit to the inside shape of an oral cavity 1, and a reinforcement resin provided on the resin sheet, for obtaining prescribed strength.SELECTED DRAWING: Figure 1 【課題】所定の強度が得られ、容易に作製可能な歯列矯正装置を提供する。【解決手段】歯列部である奥歯４の内側に係止される左右一対の床部１１と、左右一対の床部１１の間に設けられ、左右一対の床部１１の間を外側に広げる拡大ねじ１５、ガイド部１６と、を備え、左右一対の床部１１は、口腔１内の形状に適合するように成形された樹脂製シートと、この樹脂製シートに設けられて所定の強度とする補強用樹脂とを有する。【選択図】図１