Development and application of a perioral force measurement system for infants with cleft lip and palate

Publication date: Available online 3 July 2017
Source:Journal of Plastic, Reconstructive & Aesthetic Surgery
Author(s): Lixian Zhang, Yaqi Zheng, Qiong Rong, Guofeng Wu
BackgroundAs muscles converge or intermingle around the perioral area, and it change by the sequential therapy for cleft lip and palate (CLP) infants. The force of perioral muscles has a great influence on maxillary development and morphology. Perioral force in CLP infants has not been well studied, and accurate and reliable measurement of perioral force in infants remains a challenge. The aim of this study was to investigate a new way to accurately and reliably measure perioral force in UCLP infants and explore the change before and after cheiloplasty.Study designA perioral force measurement system was developed and applied to measure perioral force at labial frenum area as well as the commissures on both the normal and the cleft sides of 4 infants with unilateral CLP before and after cheiloplasty. The results were analyzed using SPSS 19.0 software.ResultsThe perioral force measurement system appears to produce valid results in infants with UCLP.Before cheiloplasty, perioral force of labial frenum area was 1.79±0.94 g/cm², that of commissure on the normal side and cleft side was 5.41±1.01 g/cm² and 3.12±1.55 g/cm², respectively (P<0.05). After cheiloplasty, perioral force of labial frenum area was 12.73±3.51 g/cm², that of commissure on the normal side and cleft side was 7.64±1.64 g/cm² and 7.27±1.89 g/cm², respectively (P>0.05).



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