The Effect of Autologous Alveolar Bone Grafting on Nasolabial Asymmetry in Unilateral Cleft Lip and Palate

The Effect of Autologous Alveolar Bone Grafting on Nasolabial Asymmetry in Unilateral Cleft Lip and Palate

The objective of this study was to examine whether an autologous alveolar bone graft has an effect on the nasolabial asymmetry in unilateral cleft lip, alveolus, and palate. Fifteen children (mean age 7.5 ± 2.4 years) with non-syndromic unilateral cleft lip and palate (CLP) were included. Non-ionizi...

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Bibliographic Details
Published in:The Journal of craniofacial surgery Vol. 31; no. 6; pp. 1687 - 1691
Main Authors: Thierens, Laurent A.M., Kerckhof, Eveline, De Roo, Noëmi M.C., Temmerman, Liesbeth, Nadjmi, Nasser, Swennen, Gwen, Ortega-Castrillon, Alejandra, Claes, Peter, De Pauw, Guy A.M.
Format: Journal Article
Language:English
Published: United States Lippincott Williams & Wilkins 01-09-2020
Subjects:
Alveolar Bone Grafting
Bone Transplantation
Child
Child, Preschool
Cleft Lip - surgery
Dentistry
Female
Humans
Imaging, Three-Dimensional
Male
Mouth Mucosa
Tooth Socket
Transplantation, Autologous
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Summary:The objective of this study was to examine whether an autologous alveolar bone graft has an effect on the nasolabial asymmetry in unilateral cleft lip, alveolus, and palate. Fifteen children (mean age 7.5 ± 2.4 years) with non-syndromic unilateral cleft lip and palate (CLP) were included. Non-ionizing three-dimensional images were acquired prior to and three months after the alveolar bone grafting procedure. A 2D and a landmark-independent 3D asymmetry assessment were used to detect changes of asymmetry in the nasolabial area. For the 2D assessment, a cleft and non-cleft side ratio for 4 linear nasal and 2 linear labial distances was expressed as a Coefficient of Asymmetry (CA). The 3D asymmetry assessment comprised a robust superimposition of the face with its mirror image, expressed as a root-mean-square-error (RSME) in mm. A significant decrease in the CA for the labial distance from the facial midline to the labial commissure was observed (P = 0.036). Also, the CA for the labial distance from the facial midline to the highest point of Cupid's bow increased significantly (P = 0.028). Non-significant changes were observed for the CA for the 2 nasal distances and the 2 other labial distances. No significant changes in 3D nasal asymmetry were detected (P = 0.820). Alveolar bone grafting completes the alveolar ridge but has only little to no clinical effect on the asymmetry of the secondary cleft lip nasal deformity.
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ISSN:1049-2275
1536-3732
DOI:10.1097/SCS.0000000000006393