Influence of certain tooth characteristics on the esthetic evaluation of a smile
OBJECTIVE: To assess the influence of certain dental characteristics on the perception of smile esthetics by undergraduate dentistry students. METHODS: Ten digital photographs of a woman's smile were modified using Adobe Photoshop software. The following changes were performed: stain removal; incisal edge straightening; gingival leveling; closure of black triangles. A group of 60 undergraduate dental students evaluated the original photograph and the altered images using a visual analog scale to evaluate smile esthetics. Intraexaminer agreement was checked for 30 examiners using the Student t test; for casual error, the Dahlberg formula was used. Data were described as means and standard deviations, and reported in tables. RESULTS: There were no statistically significant differences between the first and second scores assigned by examiners (p>0.05) in any of the comparisons made. The results of systematic error for the method indicated that the measures obtained were reliable. ANOVA was used to test equality of means, and the level of significance was set at 5%. Equality of variances was evaluated using Levene's test, and results revealed that variances were equal. Multiple comparisons using the Tukey's test revealed statistical significance at a 5%level for the presence of black triangular space. No significant values were found for other comparisons. CONCLUSIONS: Some dental characteristics were perceived by undergraduate students, and the black triangular space was classified as the most unfavorable characteristic.
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Dental Press International
2012
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oai:scielo:S2176-945120120003000082018-09-12Influence of certain tooth characteristics on the esthetic evaluation of a smileMotta,Andréa Fonseca Jardim daMucha,José NelsonSouza,Margareth Maria Gomes de Smile Dental esthetics Perception OBJECTIVE: To assess the influence of certain dental characteristics on the perception of smile esthetics by undergraduate dentistry students. METHODS: Ten digital photographs of a woman's smile were modified using Adobe Photoshop software. The following changes were performed: stain removal; incisal edge straightening; gingival leveling; closure of black triangles. A group of 60 undergraduate dental students evaluated the original photograph and the altered images using a visual analog scale to evaluate smile esthetics. Intraexaminer agreement was checked for 30 examiners using the Student t test; for casual error, the Dahlberg formula was used. Data were described as means and standard deviations, and reported in tables. RESULTS: There were no statistically significant differences between the first and second scores assigned by examiners (p>0.05) in any of the comparisons made. The results of systematic error for the method indicated that the measures obtained were reliable. ANOVA was used to test equality of means, and the level of significance was set at 5%. Equality of variances was evaluated using Levene's test, and results revealed that variances were equal. Multiple comparisons using the Tukey's test revealed statistical significance at a 5%level for the presence of black triangular space. No significant values were found for other comparisons. CONCLUSIONS: Some dental characteristics were perceived by undergraduate students, and the black triangular space was classified as the most unfavorable characteristic.info:eu-repo/semantics/openAccessDental Press InternationalDental Press Journal of Orthodontics v.17 n.3 20122012-06-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512012000300008en10.1590/S2176-94512012000300008 |
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Motta,Andréa Fonseca Jardim da Mucha,José Nelson Souza,Margareth Maria Gomes de |
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Motta,Andréa Fonseca Jardim da Mucha,José Nelson Souza,Margareth Maria Gomes de Influence of certain tooth characteristics on the esthetic evaluation of a smile |
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Motta,Andréa Fonseca Jardim da Mucha,José Nelson Souza,Margareth Maria Gomes de |
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Motta,Andréa Fonseca Jardim da |
title |
Influence of certain tooth characteristics on the esthetic evaluation of a smile |
title_short |
Influence of certain tooth characteristics on the esthetic evaluation of a smile |
title_full |
Influence of certain tooth characteristics on the esthetic evaluation of a smile |
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Influence of certain tooth characteristics on the esthetic evaluation of a smile |
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Influence of certain tooth characteristics on the esthetic evaluation of a smile |
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influence of certain tooth characteristics on the esthetic evaluation of a smile |
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OBJECTIVE: To assess the influence of certain dental characteristics on the perception of smile esthetics by undergraduate dentistry students. METHODS: Ten digital photographs of a woman's smile were modified using Adobe Photoshop software. The following changes were performed: stain removal; incisal edge straightening; gingival leveling; closure of black triangles. A group of 60 undergraduate dental students evaluated the original photograph and the altered images using a visual analog scale to evaluate smile esthetics. Intraexaminer agreement was checked for 30 examiners using the Student t test; for casual error, the Dahlberg formula was used. Data were described as means and standard deviations, and reported in tables. RESULTS: There were no statistically significant differences between the first and second scores assigned by examiners (p>0.05) in any of the comparisons made. The results of systematic error for the method indicated that the measures obtained were reliable. ANOVA was used to test equality of means, and the level of significance was set at 5%. Equality of variances was evaluated using Levene's test, and results revealed that variances were equal. Multiple comparisons using the Tukey's test revealed statistical significance at a 5%level for the presence of black triangular space. No significant values were found for other comparisons. CONCLUSIONS: Some dental characteristics were perceived by undergraduate students, and the black triangular space was classified as the most unfavorable characteristic. |
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Dental Press International |
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2012 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512012000300008 |
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