Biomechanical and clinical considerations of a modified protraction headgear

R Nanda - American journal of orthodontics, 1980 - Elsevier
The choice of treatment of children with developing skeletal Class III malocclusions has
always posed a dilemma. Chin cups and various types of reverse headgears with elastics …

Effect of protraction headgear on Class III malocclusion.

P Ngan, SHY Wei, U Hagg, CKY Yiu… - Quintessence …, 1992 - search.ebscohost.com
Ten patients with skeletal Class III malocclusion in the early mixed dentition who were
treated with maxillary expansion appliance and protraction headgear were compared with …

Protraction of the maxillofacial complex

J Mermigos, CA Full, G Andreasen - American Journal of Orthodontics and …, 1990 - Elsevier
The purpose of this study was to evaluate the orthopedic effects of reverse headgear therapy
in children with skeletal Class III malocclusions. Data based on pretreatment and …

Changes in dentofacial morphology in skeletal Class III children treated by a modified maxillary protraction headgear and a chin cup: a longitudinal cephalometric …

K Takada, S Petdachai, M Sakuda - The European Journal of …, 1993 - academic.oup.com
The purpose of the current report was to investigate cephalometrically possible orthopaedic
effects of a modified maxillary protraction headgear (MPH) on dentofacial morphology in …

Effective treatment plan for maxillary protraction: is the bone age useful to determine the treatment plan?

N Suda, M Ishii-Suzuki, K Hirose, S Hiyama… - American Journal of …, 2000 - Elsevier
A major skeletal effect of reverse-pull headgear is a forward movement of maxilla, via
remodeling of the circummaxillary sutures. We hypothesized that an evaluation of bone age …

Changes following the use of protraction headgear for early correction of Class III malocclusion

YH Chong, JC Ive, J Årtun - The Angle Orthodontist, 1996 - meridian.allenpress.com
The purpose of this study was to evaluate treatment effects and posttreatment changes
following the application of elastic forces from a facemask to the dentition for the early …

Soft tissue and dentoskeletal profile changes associated with maxillary expansion and protraction headgear treatment

P Ngan, U Hägg, C Yiu, D Merwin, SHY Wei - American Journal of …, 1996 - Elsevier
One of the goals of early treatment of Class III malocclusion with maxillary expansion and
protraction headgear is to significantly improve the dentofacial profile. The objectives of the …

Evaluation of the modified maxillary protractor applied to Class III malocclusion with retruded maxilla in early mixed dentition

K Kajiyama, T Murakami, A Suzuki - American Journal of Orthodontics and …, 2000 - Elsevier
The purpose of this study was to evaluate the effects of orthodontic treatment with a maxillary
protraction bow appliance on anterior crossbite patients with Class III malocclusion in the …

The effects of a modified protraction headgear on maxilla

T Alcan, A Keles, N Erverdi - American Journal of Orthodontics and …, 2000 - Elsevier
Protraction headgears are commonly used in the treatment of Class III malocclusion
characterized by maxillary retrognathism. The upward and forward rotation of the maxilla …

Dental and orthopedic effects of high-pull headgear in treatment of Class II, division 1 malocclusion

M Firouz, J Zernik, R Nanda - American Journal of Orthodontics and …, 1992 - Elsevier
In the present study a prospective cephalometric investigation was undertaken to examine
the skeletal and dental effects of the high-pull extraoral appliance, when the resultant force …