The Potential Allergic Role of Mast Cells to Orthodontic Appliance in Orthodontic-Induced Gingival Enlargement.

Researchers compared mast cell counts in gingival tissue from three groups: healthy gums, plaque-induced enlargement, and orthodontic-induced enlargement. Orthodontic-induced enlargement showed significantly higher mast cell numbers than the other groups, suggesting mast cells may play an immunological role in this condition.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.