Evaluation of dentoalveolar changes following maxillary incisor intrusion with one vs two anterior miniscrews in subjects with gummy smile: a randomized clinical trial

Evaluation of Dentoalveolar Changes in Gummy Smile Subjects

Comparison of One vs Two Anterior Miniscrews for Maxillary Incisor Intrusion

Objective: To assess dentoalveolar changes after maxillary incisor intrusion with one or two anterior miniscrews in subjects with gummy smile and deep bite.

Materials and Methods: Forty-three subjects were divided into two groups: group I with one miniscrew between the upper central incisors, and group II with two miniscrews between the canines and lateral incisors. Cone-beam computed tomography scans were used to evaluate dentoalveolar parameters before and after intrusion.

Results: Group II showed significantly greater maxillary incisor intrusion compared to group I. No significant differences were found in incisor inclination, labial bone thickness, and buccal alveolar crest height between the two groups.

Conclusions: Maxillary incisor intrusion was notably greater in subjects treated with two miniscrews. Root resorption of the maxillary central incisors was higher in subjects with one miniscrew, while maxillary lateral incisor resorption was greater in subjects treated with two miniscrews.

PMID: 39230014 | DOI: 10.2319/121323-825.1

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