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Normalization of masticatory function of a scissors-bite child with primary dentition: a case report
Emi Inada1, Issei Saitoh, Norihito Ishitani
1Section of Pediatric Dentistry, Division of Oral Health, Growth, and Development, Kagoshima University Graduate School of Dental Science.
Cranio : the Journal of Craniomandibular Practice
|May 13, 2008
Summary
This study highlights that while orthodontic treatment can correct malocclusion, normalizing jaw function in children requires addressing chewing patterns. Long-term observation is crucial for assessing functional changes and orofacial development.
Area of Science:
- Pediatric Dentistry
- Orthodontics
- Craniofacial Development
Background:
- Proper mandibular function is essential for normal orofacial development in children.
- Unilateral scissors-bite can impair chewing function and lead to compensatory patterns.
Observation:
- A young patient with unilateral scissors-bite exhibited limited chewing on the affected side and an unstable minimal jaw opening position.
- Orthodontic treatment improved malocclusion but did not initially restore function or stabilize the jaw opening.
- A resin cap on upper canines stabilized the minimal opening position.
Findings:
- Morphological improvement of malocclusion did not directly translate to functional recovery.
- Normal jaw movement on both sides was achieved by modifying the patient's established chewing pattern.
- Interfering with compensatory chewing habits was key to functional normalization.
Implications:
- Functional normalization is critical for achieving normal orofacial development in children.
- Long-term follow-up is necessary to evaluate growth and functional adaptations post-orthodontic treatment.
- Addressing functional deficits alongside morphological correction is vital for comprehensive pediatric dental care.
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