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The visible portion of upper anterior teeth at rest | ||
| Journal of baghdad college of dentistry | ||
| Article 1, Volume 21, Issue 1, 2009, Pages 38-40 | ||
| Author | ||
| Reem A. Al Obaidy | ||
| Abstract | ||
| ABSTRACTBack ground: Esthetics has become a respectable concept in dentistry. In the past, the importance of esthetics wasdiscounted in favor of concepts such as function, structure and biology. In today's, treatment planning must beginwith well defined esthetic objectives. The visibility of upper anterior tooth surface with lip at rest is an important factorin determining prosthodontic outcome. A study was therefore, undertaken to investigate the degree of visibility ofmaxillary anterior teeth surfaces when the lip at rest.Materials and method: 140 patients were examined. The entire subject had maxillary anterior teeth present with nocaries, restorations; sever attrition, mobility, or obvious deformities. The portions of upper anterior teeth that werevisible were measured vertically using millimeter ruler.Results: females showed more of the maxillary central and lateral incisors than males, while the difference in caninewas not significant. With increasing age, the amount of maxillary anterior teeth that was visible at rest decreased.Most subjects with shorter upper lips displayed more maxillary anterior teeth than those with longer upper lips.Conclusion: The degree of visibility of maxillary anterior teeth is determined by muscle position that varies from oneperson to another. These results provide practical guidelines for vertical positioning of the maxillary teeth.Key words: Anterior dental esthetics, tooth visibility, lip line. (J Bagh Coll Dentistry 2009; 21(1):38-40) | ||
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