Post on 26-Jan-2021
Functional and Extraoral Orthodontic Appliances
Presented by:
Dr Somayeh Heidari
Class III treatment
Face mask (reverse-pull headgear)
Delair
Delair type
Rail type
350 - 450 gm / side
12 - 14 hours /day
*
Functional appliance (FR-III)
Chin cap
Occipital Pull
Vertical Pull
480 gm / side
12 – 14 hours / day12 – 14 hours / day
Protraction headgearProtraction headgear
Class II treatment
Activator
Bionator
Twin block
Frankel (FR-II)
Wear after evening meal until morning (12 hours /day)
Herbst
Headgear
Facebow to tubes on first molars
Facebow to maxillary splint
Facebow to functional appliance
Facebow to arch wire anteriorly
(J-hook headgear)
Cervical headgear
High-pull headgear
Combination headgear
350 – 450 gm / side
10 – 12 hours / day
Asymmetric face treatment
Hybrid functional
Mandibular molar distalizationMandibular molar distalization
Lip bumper
Thanks for your attention