A comparative evaluation of presurgical infant orthopedics of modified Grayson’s technique with clear aligners incorporating a nasal elevator in patients with unilateral cleft lip and palate

To assess the differences between 2 methods of presurgical infant orthopedics: the modified Grayson’s technique and a new technique using clear aligners in patients with complete unilateral cleft lip and palate. For this prospective comparative cohort study, 30 patients were divided into 2 groups: g...

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Published in:American journal of orthodontics and dentofacial orthopedics 2022-11, Vol.162 (5), p.714-727
Main Authors: Batra, Puneet, Gribel, Bruno Frazāo, Abhinav, B.A., Raghavan, Sreevatsan, Arora, Anika
Format: Article
Language:English
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Summary:To assess the differences between 2 methods of presurgical infant orthopedics: the modified Grayson’s technique and a new technique using clear aligners in patients with complete unilateral cleft lip and palate. For this prospective comparative cohort study, 30 patients were divided into 2 groups: group A (modified Grayson technique) and group B (clear aligner trays), with 15 patients each. Scanned cast measurements were taken before and after treatment and evaluated using an appropriate 3-dimensional software assessing treatment changes in the alveolus (eg, reduction of width between major and minor segment, angulation change of each respective segment [intragroup and intergroup, respectively]). This was supplemented with standardized anterioposterior, Worms-eye view, and profile photographs assessing changes in columellar angle, nostril width, height, nasolabial angle, and soft-tissue cleft gap. Furthermore, the number of visits for each patient group was also tabulated and assessed. The differences were compared using the independent t test and Mann-Whitney U test for the respective parameters. Groups A and B showed similar posttreatment changes, with no overt significant differences. However, there was a statistically significant difference in the number of visits (P 
ISSN:0889-5406
1097-6752
DOI:10.1016/j.ajodo.2021.06.027