A Comparison Between Two Techniques to Treat Gummy Smiles in Adult Patients with Maxillary Dentoalveolar protrusion: A Randomized Controlled Trial.

Document Type : Original Article

Authors

1 Orthodontic Department, Faculty of Dentistry, Cairo University, Cairo, Egypt.

2 Associate Professor, Orthodontic Department, Faculty of Dentistry, Cairo University, Cairo, Egypt.

3 Professor, Orthodontic Department, Faculty of Dentistry, Cairo University, Cairo, Egypt.

Abstract

Aim: The aim of the study was to compare two techniques for space closure in cases with protrusion and excessive display of the gingival on the quality of life of patients evaluated using OHIP-14 tool.
Methodology: 20 Adult females patient with class II Div 1 or bimaxillary protrusion were recruited to study. All cases has undergone leveling and alignment followed by extraction of 2 upper premolars. Pre-retraction OHIP-14 was administered at beginning of space closure. Absolute anchorage performed directly or indirectly was used for anchorage augmentation. Patients were seen regularly for 12-18 month until full space closure. Post-retraction questionnaire was administered and final records were taken.
Results: 20 adult females were included in the study and randomized equally to both intervention and comparator groups. No patients discontinued treatment or were lost in follow up. Regarding intra-group comparison, the 2 domains which showed improvement with treatment were the psychological and social disability, however it improving didn’t show statical significance. Inter-group comparisons between intervention and comparator group post-retraction and for retraction changes did not show any statistical significance result.
Conclusions: Miniscrews have been shown to be effective in achieving significant retraction and intrusion of anterior segment in cases with protrusion and gummy smile. An improvement in psychological and social disability score in OHIP-14 is expected with retraction and improvement of profile of adult females with protrusion.

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Egyptian Dental Journal
Volume 71, Issue 3 - Serial Number 1
July (Orthodontics, Pediatric & Preventive Dentistry)
July 2025
Pages 1965-1973

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