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Normalization of incisor position after adenoidectomy
S Linder-Aronson1, D G Woodside, E Hellsing
1Department of Orthodontics, Karolinska Institutet, Huddinge, Sweden.
Summary
Adenoidectomy in children significantly increases outward (labial) inclination of incisor teeth. This change, particularly in females, is linked to altered breathing patterns and nasopharynx size.
Area of Science:
- Dentistry
- Orthodontics
- Pediatric Medicine
Background:
- Adenoidectomy is a common surgical procedure in children.
- Altered breathing patterns post-adenoidectomy may influence craniofacial development.
- Previous research has suggested potential dental changes following adenoidectomy.
Purpose of the Study:
- To investigate changes in incisor inclination and position in children during the first 5 years after adenoidectomy.
- To determine the correlation between adenoidectomy and incisor proclination.
- To identify factors contributing to incisor position changes post-surgery.
Main Methods:
- Longitudinal study tracking incisor changes in children post-adenoidectomy.
- Measurement of incisor inclination and labiolingual position in both jaws.
- Statistical analysis, including stepwise regression, to identify influencing factors.
Main Results:
- A significant increase in labial inclination of incisors was observed in the adenoidectomy groups.
- Mandibular incisor positioning showed a significant labial shift in both sexes.
- Female sex and increased nasopharyngeal sagittal size accounted for 41-44% of incisor proclination.
Conclusions:
- The study supports the hypothesis linking altered breathing post-adenoidectomy to significant labial positioning of incisor teeth.
- Adenoidectomy can lead to predictable changes in dental occlusion and aesthetics.
- Further research is warranted to explore long-term orthodontic implications and management strategies.