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Aesthetic assessment of the effect of gingival exposure in the smile of patients with unilateral and bilateral maxillary incisor agenesis.

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Aesthetic assessment of the effect of gingival exposure in the smile of patients with unilateral and bilateral maxillary incisor agenesis.

dc.contributor.author	Pinho, Teresa
dc.contributor.author	Bellot Arcís, Carlos
dc.contributor.author	Montiel Company, José María
dc.contributor.author	Neves, Manuel
dc.date.accessioned	2015-09-24T12:00:58Z
dc.date.available	2015-09-24T12:00:58Z
dc.date.issued	2014
dc.identifier.citation	Pinho, Teresa Bellot Arcís, Carlos Montiel Company, José María Neves, Manuel 2014 Aesthetic assessment of the effect of gingival exposure in the smile of patients with unilateral and bilateral maxillary incisor agenesis. Journal Of Prosthodontics-Implant Esthetic And Reconstructive Dentistry 24 5 366 372
dc.identifier.uri	http://hdl.handle.net/10550/47220
dc.description.abstract	Purpose: The aim of this study was to determine the dental esthetic perception of the smile of patients with maxillary lateral incisor agenesis (MLIA); the perceptions were examined pre- and post-treatment. Esthetic determinations were made with regard to the gingival exposure in the patients¿ smile by orthodontists, general dentists, and laypersons. Materials and Methods: Three hundred eighty one people (80 orthodontists, 181 general dentists, 120 laypersons) rated the attractiveness of the smile in four cases before and after treatment, comprising two cases with unilateral MLIA and contralateral microdontia and two with bilateral MLIA. For each case, the buccal photograph was adjusted using a computer to apply standard lips to create high, medium, and low smiles. A numeric scale was used to measure the esthetic rating perceived by the judges. The resulting arithmetic means were compared using an ANOVA test, a linear trend, and a Student¿s t-test, applying a significance level of p < 0.05. The predictive capability of the variables, unilateral, or bilateral MLIA, symmetry of the treatment, gingival exposure of the smile, group, and gender were assessed using a multivariable linear regression model. Results: In the pre- and post-treatment cases, medium smile photographs received higher scores than the same cases with high or low smiles, with significant differences between them. In all cases, orthodontists were the least-tolerant evaluation group (assigning lowest scores), followed by general dentists. In a predictive linear regression model, bilateral MLIA was the more predictive variable in pretreatment cases. The gingival exposure of the smile was a predictive variable in post-treatment cases only. Conclusion: The medium-height smile was considered to be more attractive. In all cases, orthodontists gave the lowest scores, followed by general dentists. Laypersons and male evaluators gave the highest scores. Symmetrical treatments scored higher than asymmetrical treatments. The gingival exposure had a significant influence on the esthetic perception of smiles in post-treatment cases.
dc.language.iso	eng
dc.relation.ispartof	Journal Of Prosthodontics-Implant Esthetic And Reconstructive Dentistry, 2014, vol. 24, num. 5, p. 366-372
dc.subject	Estomatologia
dc.subject	Odontologia
dc.title	Aesthetic assessment of the effect of gingival exposure in the smile of patients with unilateral and bilateral maxillary incisor agenesis.
dc.type	journal article	es_ES
dc.date.updated	2015-09-24T12:00:59Z
dc.identifier.doi	10.1111/jopr.12216
dc.identifier.idgrec	103471
dc.rights.accessRights	open access	es_ES