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Clinical Application of a Resembling Rectangular Flap on Lateral Lip in Unilateral Cheiloplasty: A Modified Millard's
Xiaorong Wang1, Lishu Liao, Yijun Li
1Oral Department, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, P.R. China.
Purpose:
This clinical study aimed to design and utilize a modified rotation-advancement technique (MRAT) with a resembling rectangular flap on the lateral lip for primary unilateral cheiloplasty and evaluated its postoperative outcomes.
Materials And Methods:
A retrospective study was conducted on patients with a unilateral cleft lip who had undergone initial cheiloplasty with MRAT. The postoperative outcomes were assessed for nasolabial symmetry by photogrammetry. Repeated measures of ANOVA and two independent samples t tests were applied for statistical analysis.
Results:
Twenty patients with unilateral cleft lip met the inclusion criteria. Postoperatively, the patients had well-shaped nasal sill and centered nasal columella. In addition to, the bilateral symmetrical ratios noticeably improved ( P <0.001). Simultaneously, the postoperative outcomes were independent of the cleft type and height differences of the two peaks ( P >0.05).
Conclusions:
Unilateral cheiloplasty using the present MRAT can better preserve the nasolabial structure and symmetry. The postoperative scar is concealed and simulates a normal philtral ridge.
