chin cap

chin cap

an extraoral appliance designed to exert an upward and backward force on the mandible by applying pressure to the chin, thereby preventing forward growth.
Farlex Partner Medical Dictionary © Farlex 2012

chin cap

(chin kap)
Extraoral appliance designed to exert an upward and backward force on the mandible by applying pressure to the chin, thereby preventing forward growth.
Medical Dictionary for the Dental Professions © Farlex 2012