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Nasolabial symmetry and esthetics in cleft lip and palate: analysis of 3D facial images.
Clin Oral Investig. 2015 Nov; 19(8):1833-42.CO

Abstract

OBJECTIVES

To determine the relationship between nasolabial symmetry and esthetics in subjects with orofacial clefts.

MATERIAL AND METHODS

Eighty-four subjects (mean age 10 years, standard deviation 1.5) with various types of nonsyndromic clefts were included: 11 had unilateral cleft lip (UCL); 30 had unilateral cleft lip and alveolus (UCLA); and 43 had unilateral cleft lip, alveolus, and palate (UCLAP). A 3D stereophotogrammetric image of the face was taken for each subject. Symmetry and esthetics were evaluated on cropped 3D facial images. The degree of asymmetry of the nasolabial area was calculated based on all 3D data points using a surface registration algorithm. Esthetic ratings of various elements of nasal morphology were performed by eight lay raters on a 100 mm visual analog scale. Statistical analysis included ANOVA tests and regression models.

RESULTS

Nasolabial asymmetry increased with growing severity of the cleft (p = 0.029). Overall, nasolabial appearance was affected by nasolabial asymmetry; subjects with more nasolabial asymmetry were judged as having a less esthetically pleasing nasolabial area (p < 0.001). However, the relationship between nasolabial symmetry and esthetics was relatively weak in subjects with UCLAP, in whom only vermilion border esthetics was associated with asymmetry.

CONCLUSIONS

Nasolabial symmetry assessed with 3D facial imaging can be used as an objective measure of treatment outcome in subjects with less severe cleft deformity. In subjects with more severe cleft types, other factors may play a decisive role.

CLINICAL SIGNIFICANCE

Assessment of nasolabial symmetry is a useful measure of treatment success in less severe cleft types.

Authors+Show Affiliations

Department of Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, The Netherlands.Department of Maxillofacial Surgery, Radboud University Medical Center, Nijmegen, The Netherlands.Department of Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, The Netherlands. Cleft Palate Craniofacial Unit, Radboud University Medical Center, Nijmegen, The Netherlands.Department of Preventive and Curative Dentistry, Radboud University Medical Center, Nijmegen, The Netherlands.Department of Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, The Netherlands. Cleft Palate Craniofacial Unit, Radboud University Medical Center, Nijmegen, The Netherlands.Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland. piotr.fudalej@zmk.unibe.ch. Department of Orthodontics, Palacky University Olomouc, Olomouc, Czech Republic. piotr.fudalej@zmk.unibe.ch.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

25802221

Citation

Desmedt, Dries J., et al. "Nasolabial Symmetry and Esthetics in Cleft Lip and Palate: Analysis of 3D Facial Images." Clinical Oral Investigations, vol. 19, no. 8, 2015, pp. 1833-42.
Desmedt DJ, Maal TJ, Kuijpers MA, et al. Nasolabial symmetry and esthetics in cleft lip and palate: analysis of 3D facial images. Clin Oral Investig. 2015;19(8):1833-42.
Desmedt, D. J., Maal, T. J., Kuijpers, M. A., Bronkhorst, E. M., Kuijpers-Jagtman, A. M., & Fudalej, P. S. (2015). Nasolabial symmetry and esthetics in cleft lip and palate: analysis of 3D facial images. Clinical Oral Investigations, 19(8), 1833-42. https://doi.org/10.1007/s00784-015-1445-0
Desmedt DJ, et al. Nasolabial Symmetry and Esthetics in Cleft Lip and Palate: Analysis of 3D Facial Images. Clin Oral Investig. 2015;19(8):1833-42. PubMed PMID: 25802221.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Nasolabial symmetry and esthetics in cleft lip and palate: analysis of 3D facial images. AU - Desmedt,Dries J, AU - Maal,Thomas J, AU - Kuijpers,Mette A, AU - Bronkhorst,Ewald M, AU - Kuijpers-Jagtman,Anne Marie, AU - Fudalej,Piotr S, Y1 - 2015/03/24/ PY - 2014/05/09/received PY - 2015/03/03/accepted PY - 2015/3/25/entrez PY - 2015/3/25/pubmed PY - 2017/1/7/medline KW - Cleft lip KW - Cleft palate KW - Esthetics KW - Face KW - Imaging KW - Morphology KW - Three dimensional SP - 1833 EP - 42 JF - Clinical oral investigations JO - Clin Oral Investig VL - 19 IS - 8 N2 - OBJECTIVES: To determine the relationship between nasolabial symmetry and esthetics in subjects with orofacial clefts. MATERIAL AND METHODS: Eighty-four subjects (mean age 10 years, standard deviation 1.5) with various types of nonsyndromic clefts were included: 11 had unilateral cleft lip (UCL); 30 had unilateral cleft lip and alveolus (UCLA); and 43 had unilateral cleft lip, alveolus, and palate (UCLAP). A 3D stereophotogrammetric image of the face was taken for each subject. Symmetry and esthetics were evaluated on cropped 3D facial images. The degree of asymmetry of the nasolabial area was calculated based on all 3D data points using a surface registration algorithm. Esthetic ratings of various elements of nasal morphology were performed by eight lay raters on a 100 mm visual analog scale. Statistical analysis included ANOVA tests and regression models. RESULTS: Nasolabial asymmetry increased with growing severity of the cleft (p = 0.029). Overall, nasolabial appearance was affected by nasolabial asymmetry; subjects with more nasolabial asymmetry were judged as having a less esthetically pleasing nasolabial area (p < 0.001). However, the relationship between nasolabial symmetry and esthetics was relatively weak in subjects with UCLAP, in whom only vermilion border esthetics was associated with asymmetry. CONCLUSIONS: Nasolabial symmetry assessed with 3D facial imaging can be used as an objective measure of treatment outcome in subjects with less severe cleft deformity. In subjects with more severe cleft types, other factors may play a decisive role. CLINICAL SIGNIFICANCE: Assessment of nasolabial symmetry is a useful measure of treatment success in less severe cleft types. SN - 1436-3771 UR - https://www.unboundmedicine.com/medline/citation/25802221/Nasolabial_symmetry_and_esthetics_in_cleft_lip_and_palate:_analysis_of_3D_facial_images_ L2 - https://dx.doi.org/10.1007/s00784-015-1445-0 DB - PRIME DP - Unbound Medicine ER -