| 摘要 |
A lip closing tool capable of prompting infants to conventionalize nasal respiration by promoting the infants to unintentionally close mouths to maintain the closed state of the mouths. The lip closing tool (10) comprises a lip outer arrangement part (12) brought into contact with the outer surfaces of lips and a body (11) disposed in an oral cavity. The body comprises a dentition outer arrangement part (13) disposed on the outer surface of a dentition and extending in the lateral direction and a lip contact part (16) connecting the lip outer arrangement part to the dentition outer arrangement part, brought into contact with the upper and lower lips, and reduced in wall thickness. The dentition outer arrangement part is generally integrally formed of a flexible material, and comprises irritating parts (15) and (15) so that the portions of the dentition outer arrangement part near the right and left end parts can have large volumes. |
