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Maxillary dentoskeletal changes 1-year after adenotonsillectomy.

Valerio Brunelli¹, Roberta Lione¹, Lorenzo Franchi²

¹Department of Clinical Sciences and Traslational Medicine, University of Rome "Tor Vergata", Rome, Italy.

International Journal of Pediatric Otorhinolaryngology

|June 5, 2016

Summary

This summary is machine-generated.

Adenotonsillectomy (T&A) in children with severe mouth breathing (MB) normalized breathing and significantly increased palatal volume. Maxillary forward displacement occurred, but other dentoskeletal changes were not significant.

Keywords:

Adenoids Cephalometrics Mouth breathing Palatal morphology Tonsils

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Area of Science:

Orthodontics
Pediatric Otolaryngology
Pediatric Dentistry

Background:

Severe mouth breathing (MB) in children is linked to significant dentoskeletal and soft tissue alterations.
Adenotonsillectomy (T&A) is a common intervention for upper airway obstruction causing MB.

Purpose of the Study:

To evaluate maxillary dentoskeletal and soft tissue changes in children with severe MB after T&A.
To compare these changes with a matched control group of untreated MB children.

Main Methods:

Seventy children with confirmed severe upper airway obstruction underwent T&A (treatment group) or were observed (control group).
Cephalograms and dental casts were analyzed at baseline and one year post-intervention/observation.
Measurements included palatal volume, occlusal changes, and cephalometric analysis of maxillary skeletal and soft tissue dimensions.

Main Results:

The T&A group showed a significant 10% increase in palatal volume (503.3 mm³), while the control group's palatal volume remained stable.
Significant downward and forward displacement of the anterior maxilla (Point A, ANS) was observed in the T&A group.
Both groups experienced downward displacement of the posterior maxilla; no significant occlusal or palatal plane inclination changes were noted.

Conclusions:

T&A in children with severe MB leads to significant increases in palatal volume and anterior maxillary forward displacement.
Normalization of breathing after T&A positively impacts maxillary development in these children.