Abstract
Evaluation of the lips during the smile is important in dental-facial analysis, as the lips frame the mouth. The upper lip is especially important and has a significant effect on the esthetic treatment plan and smile design process, as it reveals the number of visible teeth and gingiva when the patient’s lips are at rest, and while smiling and speaking. Evaluation of the lips ideally should be performed while they are at rest and while smiling for the correct determination of the ideal maxillary incisal edge position. Maxillary central incisors are the key element in smile analysis; hence, proper determination of the incisal edge position provides reference points for evaluation of tooth proportions, gingival level, and gingival structure, and their inter-relationships.
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Yucel, T., Yildiz, E., Erdemir, U. (2016). Dentolabial Analysis. In: Erdemir, U., Yildiz, E. (eds) Esthetic and Functional Management of Diastema. Springer, Cham. https://doi.org/10.1007/978-3-319-24361-0_7
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DOI: https://doi.org/10.1007/978-3-319-24361-0_7
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