This study evaluated the effectiveness of cleft lip repair in modifying maxillary arch morphology in infants with complete unilateral cleft lip and palate (cUCLP) over a 6-month period.
Design
Prospective case series.
Setting
My Thien Hospital of Odonto-Stomatology, Ho Chi Minh City, Vietnam.
Participants
Fifteen infants with cUCLP, average age 5.07 months.
Intervention
All infants underwent unilateral cleft lip repair using Fisher's technique. Maxillary arch impressions were taken before surgery and 6 months postoperatively and converted into 3D models.
Main Outcome Measures
Analysis focused on maxillary arch dimensions in anteroposterior and transverse directions, changes in cleft width, curvature of the larger segment, and position of the proximal edge.
Results
Alveolar cleft width (GL) and anterior curvature angle (∠GIC) showed significant reductions (P < .05). Additionally, posterior arch width (TT'), maxillary arch depth (I-TT'), and anterior arch depth (I-CC') showed significant increases (P < .05), while anterior arch width (CC') remained unchanged (P = .87). Measurements demonstrated high reliability with ICC > 0.75 for all parameters.
Conclusion
Unilateral cleft lip repair in cUCLP infants significantly narrowed the alveolar cleft width and reduced the anterior curvature angle. Increases in posterior arch width and maxillary arch depth were also observed. These morphological changes are crucial for planning future surgical interventions to optimize outcomes.
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