Soft-tissue cephalometric norms in a South Indian ethnic population. American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics [Am J Orthod Dentofacial Orthop] Journal article | | Title | Soft-tissue cephalometric norms in a South Indian ethnic population. | | Author(s) | Kalha AS, Latif A, Govardhan SN | | Institution | Department of Orthondontics, Center for Evidence Based Dentistry, and Institute of Dental Studies and Technologies, Modinagar, Uttar Pradesh, India. anmolkalha@gmail.com | | Source | Am J Orthod Dentofacial Orthop 2008 Jun; 133(6):876-81. | | Abstract | INTRODUCTION: An esthetically pleasing smile is a key determinant of successful orthodontic treatment and patient satisfaction. The great variance in soft-tissue drape of the human face complicates accurate assessment of the soft-tissue profile. Variability is also characteristic of different faces and facial types, and normative data based on 1 population group do not represent all. This study was undertaken to establish norms for a South Indian ethnic population.
METHODS: The sample comprised lateral cephalograms taken in natural head position of 60 normal subjects (30 men, 30 women). The cephalograms were analyzed with a soft-tissue cephalometric analysis for orthodontic diagnosis and treatment planning, and the Student t test was used to compare the means of the 2 groups.
RESULTS: Statistically significant differences were found between South Indian men and women in certain key parameters. Men have thicker soft-tissue structures and a more acute nasolabial angle than women. Men have longer faces, and women have greater interlabial gap and maxillary incisor exposure. Men have more deep-set facial structures than women. Compared with established norms for white people, South Indian subjects have more deep-set midfacial structures and more protrusive dentitions.
CONCLUSIONS: Statistically significant differences were found between South Indian men and women in certain key parameters. Differences were also noted between white and South Indian faces. | | Language | eng | | Pub Type(s) | Journal Article
| | PubMed ID | 18538252 |
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