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Orthopedic cervical headgear with an expanded inner bow in class II correction
M Kirjavainen1, T Kirjavainen, K Hurmerinta
1Department of Pedodontics and Orthodontics, University of Helsinki, Finland. mirja.kirjavainen@lhktt.fi
The Angle Orthodontist
|August 29, 2000
Summary
Orthopedic cervical headgear effectively corrected Class II division I malocclusion in children by inhibiting maxillary forward growth and widening dental arches. This treatment achieved Class I molar relationships, improving overall occlusion.
Area of Science:
- Orthodontics
- Pediatric Dentistry
- Craniofacial Orthopedics
Background:
- Class II division I malocclusion is characterized by a protrusive maxilla.
- Early orthodontic intervention is crucial for managing complex malocclusions in children.
Purpose of the Study:
- To evaluate the efficacy of orthopedic cervical headgear in treating Class II division I malocclusion with maxillary protrusion.
- To assess the effects of this specific headgear protocol on dental arch dimensions and skeletal growth.
Main Methods:
- A cohort of 40 children (20 boys, 20 girls) with Class II division I malocclusion and protrusive maxilla were treated.
- Treatment involved orthopedic cervical headgear with a 10 mm expanded inner bow and a long outer bow bent 15 degrees upwards.
- Cephalometric analysis was used to evaluate treatment outcomes.
Main Results:
- Successful correction of Class II molar relationships to Class I in all patients.
- Significant widening of both maxillary and mandibular dental arches observed.
- Cephalometric analysis indicated inhibition of maxillary forward growth and anterior-inferior palatal rotation.
Conclusions:
- Orthopedic cervical headgear with the described modifications is effective in correcting Class II division I malocclusion.
- The treatment promotes favorable skeletal changes by controlling maxillary growth and improving arch form.
- This approach offers a viable solution for managing protrusive maxilla in pediatric patients.