Periodontal pocket depth measuring device capable of accurately measuring a periodontal pocket depth even if tartar adheres to a root of a tooth
TWI673076B
Nasal cavity insert capable of being easily inserted into nasal cavity for supplying sufficient air to respiratory tract and preventing from falling off from nasal cavity
TWI673041B
Lip opening and closing forces measuring device characterized in that the present invention can find hypoplasia or atrophy or paralysis at the slightly weak position of the right and the left lip opening and closing forces, so as to carry out a timely treatment
TWI660756B
Nasal device
FR3007292A1
DEVICE FOR MAINTAINING THE OPENING OF THE RESPIRATORY TRACT
