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Acta Inform Med. 2010; 18(2): 88-91


Computer Aided Photogrammetry for Evaluation of Facial and Dental Symmetry

Amra Vukovic, Selma Jakupovic, Selma Zukic, Sadeta Secic, Anita Bajsman.

Abstract
Maxillary anterior teeth have dominant role in the outlook of the dento-labial complex by their position, shape and size. If they are in harmony with other orofacial components they significantly contribute to the aesthetics of the face. Symmetry is one of essential component in the perception of dento-facial aesthetics. The aim of this study was to analyze coincidence between the dental and facial midlines and parallelism between the incisal plane and bipupilar line. Material and methods: In the present study participated 81 subjects (44 female and 37 male) average age of 23 years, with intact dentition and in the Angle class I. They were chosen based on their facial and dental symmetry. Digital photo” the full face with smile” were taken for every examinee and analyzed by computer software (Corel DRAW Graphic Suite 12) Results: Digital photogrammetric measurement of the face showed that mid of the face and mid of the teeth corresponds in 81% of the cases, but both interpupilar and incisal lines were parallel in 90% of the examinees. All midline deviations were within 1,7 mm. Statistical procedure of hi-square (χ2) test showed that none of the indicators of the face symmetry significantly differ per gender (p> .30).^Conclusion: Computer aided photogrammetry is useful, precise and reliable method for evaluation of dental and facial aesthetics. Midline deviation of teeth, nose and chin within 1,7 mm is aesthetically acceptable.

Key words: dental midline, facial symmetry, esthetic dentistry.






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