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Cleft Palate Craniofac J ; 58(9): 1160-1168, 2021 09.
Article in English | MEDLINE | ID: mdl-33322923

ABSTRACT

OBJECTIVE: Mid-maxillary osteodistraction (MMOD) is a novel technique. This study seeks to assess the occlusal and functional improvement of patients with midfacial hypoplasia secondary to cleft lip and palate. DESIGN: This was done as a retrospective study at the Regional Cleft Centre of the Teaching Hospital-Karapitiya (THK). PARTICIPANTS: A total of 81 patient records were accessed on those who underwent MMOD with a tooth-borne intraoral device from January 1, 2007, to December 31, 2016, at THK. METHODS: Records of the patients included pre- and post-treatment lateral cephalograms, study models, speech assessments, and photographs. RESULTS: An advancement ranging from 5 to 12 mm (mean, 8.14 mm) was achieved in all patients; 80% (n = 63) and 87.65% (n = 71) showed improvement in consonant production and quality of speech. These were statistically significant (P < .05). With regard to the Peer Assessment Rating score assessing the occlusal improvement, 97.6% showed an improvement whereas only 2 patients showed no improvement. There was a significant improvement in sella (S), nasion (N), and point A (SNA) angle; point A, the nasion, and point B (ANB) angle; and the maxillary length over the treatment period (P < .05). The change in the ANB angle and maxillary length significantly differed between genders with males having a comparatively higher improvement. The profile improvements were noteworthy on the profile photographs. CONCLUSION: This relatively novel approach to maxillary advancement by maxillary distraction using a combined surgical and modified orthodontic technique has proven to be successful. This protocol and the technique have improved function, occlusion, and the aesthetics.


Subject(s)
Cleft Lip , Cleft Palate , Osteogenesis, Distraction , Cleft Lip/surgery , Cleft Palate/diagnostic imaging , Cleft Palate/surgery , Esthetics, Dental , Female , Hospitals, Teaching , Humans , Male , Retrospective Studies , Sri Lanka
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