Evaluation of natural smile: Golden proportion, RED or Golden percentage

Murthy, B V Sreenivasa; Ramani, N. V.

doi:10.4103/0972-0707.43413

Cited by 72 publications

(37 citation statements)

References 8 publications

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“…The results for Malaysian population were comparable to the results reported in similar studies of other populations, including Turkish [1], Iranians [5,18], Jordanians [13], Americans [16], Indians [19] and Caucasians [20]. …”

Section: Discussionsupporting

confidence: 84%

Evaluation of maxillary anterior teeth and their relation to the golden proportion in malaysian population

2013

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BackgroundThe maxillary anterior teeth are important in achieving pleasing dental aesthetics. Various methods are used to measure the size and form of them, including the golden proportion between their perceived widths, and the width-to-height ratio, referred to as the golden standard. The purpose of this study was conducted to evaluate whether consistent relationships exist between tooth width and height of the clinical crown dimensions; and to investigate the occurrence of the golden proportion of the maxillary anterior teeth.MethodsDental casts of the maxillary arches were made in this cross-sectional study from MAHSA University College students who met the inclusion criteria. The 49 participants represented the Malaysian population main ethnics. The dimensions of the anterior teeth and the perceived width of anterior teeth viewed from front were measured using a digital caliper.ResultsComparison of the perceived width ratio of lateral to central incisor and canine to lateral incisor with the golden proportion of 0.618 revealed there were a significant statistical difference (p < 0.05). The statistical difference was significant for the width-to-height ratio of central incisors to the golden standard of 80%. There was no significant difference in the comparison among ethnic groups for the golden proportion and the golden standard.ConclusionsThe golden proportion was not found to exist between the perceived widths of maxillary anterior teeth. No golden standard were detected for the width-to-height proportions of maxillary incisors. Specific population characteristics and perception of beauty must be considered. However, ethnicity has no association with the proportions of maxillary anterior teeth.

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Section: Discussionsupporting

confidence: 84%

Evaluation of maxillary anterior teeth and their relation to the golden proportion in malaysian population

2013

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“…The lack of Divine Proportion among dental and facial structures are also stated in recent literature attesting this proportion as an unsuitable method to relate dentofacial dimensions with natural or even “attractive” appearance during rehabilitation treatments. [ 23 29 30 ]…”

Section: Discussionmentioning

confidence: 99%

Vertical and horizontal proportions of the face and their correlation to phi among Indians in Moradabad population: A survey

Anand

Tripathi

Chopra

et al. 2015

J Indian Prosthodont Soc

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Purpose:The purpose was to examine the existence of divine proportions among the Indian faces in Moradabad population.Materials and Methods:Totally, 100 patients (50 males; 50 females) aged 25-45 years were selected for the study. All facial photographs were analyzed based on the method of Ricketts assessing the divine proportions in vertical and transverse facial planes. Six horizontal and seven vertical ratios were determined, which were then compared with the phi ratio.Results:The horizontal ratio results showed that three male and female ratios were not significantly different from each other (P > 0.05), and interchilion/nose width ratio was highly significant (P < 0.001). The horizontal mean ratios for females as well as males were highly significant from the phi ratio (P < 0.001) except for interchilion/interdacryon ratio, which was significant (P < 0.05) for females and not significant (P > 0.05) for males. The vertical ratio results showed that there was a highly significant difference (P < 0.001) for forehead height/stomion-soft menton ratio and no significant difference for two ratios between the mean ratios of males and females. All the vertical mean ratios for both the groups were highly significant (P < 0.001), except for the intereye-soft menton/intereye-stomion ratio, which was significant (P < 0.05) for female group and not significant (P > 0.05) for the male group.Conclusion:Although, the golden proportion is a prominent and recurring theme in esthetics, it should not be embraced as the only method by which human beauty is measured to the exclusion of others factors.

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“…16 Similarly, golden proportion existed only in 14 to 25% of dental students of Asian origin. 8 However, Kanaparthy et al found that R2 in male and R1 in female correspond to the golden ratio whereas R1 in male and R2 in female do not. 10 Golden proportion was found only in R1 in 17% of samples from University of North Carolina.…”

Section: Discussionmentioning

confidence: 99%

“…[4][5][6][7] This ratio has been found to vary with race, gender, and ethnicity. [8][9][10] In considering the factors affecting this perceived esthetic ratio, the vertical dimension of the face and malocclusion type has been given less importance. Hence, this study was carried out with the aim of assessing the apparent tooth to tooth proportion of maxillary anterior region and finding out the possible association with lower anterior facial height and malocclusion type.…”

Section: Introductionmentioning

confidence: 99%

Analysis of maxillary anterior teeth proportion in relationship with lower facial height and malocclusion

Gyawali

Singh

2017

J Coll Med Sci-Nepal

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Background & Objectives: Maxillar y anter ior tooth to tooth proportion has a special value in dental esthetics. This study aimed to assess the apparent proportion of maxillary anteriors and possible association with lower anterior facial height and malocclusion type. Materials & Methods: One-hundred and sixty samples with well aligned maxillary dentition were selected and the lower anterior facial height was measured with digital caliper. Molar relationship was examined and intraoral frontal photograph was taken for digital measurement of tooth proportion. The ratio of maxillary canine to lateral and lateral to central incisors were measured and compared between gender and the sides. These ratios were further compared among various malocclusion type using ANOVA and its association with lower anterior facial height was evaluated with Pearson's correlation. Results: Most of the samples had Class I molar relationship (70%) followed by Class II (23%) and Class III (7%). The mean lower anterior facial height was 62.82mm and ratio of maxillary lateral to central incisor and canine to lateral incisor was 0.68 and 0.76 respectively. No statistically significant difference was found when the ratio was compared between the gender and the sides. These ratios were statistically different from the golden ratio and has no significant correlation with lower anterior facial height. These mean ratios were also found similar across the malocclusion type. Conclusion: Ratio of appar ent dimension of maxillar y canine to lateral incisor and lateral to central incisor was different from the golden ratio and showed no association with lower anterior facial height and malocclusion type.Key words: Golden pr opor tion; malocclusion; lower anter ior facial height; tooth proportion Citation: Gyawali R, Singh VP. Analysis of maxillar y anter ior teeth pr opor tion in r elationship with lower facial height and malocclusion. JCMS Nepal. 2017;13(2):262-7.

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Evaluation of natural smile: Golden proportion, RED or Golden percentage

Cited by 72 publications

References 8 publications

Evaluation of maxillary anterior teeth and their relation to the golden proportion in malaysian population

Evaluation of maxillary anterior teeth and their relation to the golden proportion in malaysian population

Vertical and horizontal proportions of the face and their correlation to phi among Indians in Moradabad population: A survey

Analysis of maxillary anterior teeth proportion in relationship with lower facial height and malocclusion

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