Influence of incisor inclination and anterior vertical facial height on facial attractiveness in an adult Asian male

Ali, Umair; Sukhia, Rashna Hoshang; Fida, Mubassar; Kamal, Adeel Tahir; Abbas, Ausjah

doi:10.1016/j.ajodo.2020.09.030

Cited by 6 publications

(11 citation statements)

References 19 publications

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“…However, same study group published another study reporting no effect of smile on vertical dimension in female subject. [11] Our study agrees with the previous study [11] that shows smiling photographs receives less ES. Hence, the concept of "Smiloflage" as claimed by the authors needs to be explored more in different population to understand this phenomenon in depth.…”

Section: Discussionsupporting

confidence: 93%

“…The null hypothesis was rejected since smile had a negative influence on the ES. A recently conducted study by Ali et al [12] reported camouflaging effects of smile on various vertical facial height on lateral view in a male subject. However, same study group published another study reporting no effect of smile on vertical dimension in female subject.…”

Section: Discussionmentioning

confidence: 98%

“…Hence, the concept of "Smiloflage" as claimed by the authors needs to be explored more in different population to understand this phenomenon in depth. [12] On exploring the literature, multiple studies [13,[16][17][18] have evaluated the impact of lower facial height on frontal and lateral profile. One study reported that deviation of LAFH from 66.5-mm to 74.5-mm range for females would be considered as less esthetic by the raters from the frontal aspect.…”

Section: Discussionmentioning

confidence: 99%

“…[10] In the literature, the ability of the smile to mask or camouflage the underlying LAFH is discovered recently from the lateral aspect; however, no data exist for the frontal view. [11,12] Knowing the impact of smiles on LAFH can enable clinicians to understand the different perceptions present in our society and provide more customized treatment.…”

mentioning

confidence: 99%

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Can smile influence the lower anterior vertical facial height on frontal view in an adult Asian female subject? A cross-sectional study

Ali

Ahmed

Younus

et al. 2023

APOS

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Objectives: Smile is a universal phenomenon, the effect of which is not discovered on the lower anterior facial height (LAFH). The objective of this study was to determine the influence of smile on different LAFH in frontal view as assessed by different panels of raters using visual analog scale (VAS) in a female subject. Material and Methods: The frontal photographs (at rest and on smile) were taken at natural head position of a female subject aged 28 years old after taking informed consent. LAFH of the photographs was modified using a Photoshop software (Adobe Systems, San Jose, Calif.). Sixty raters equally divided into orthodontic residents, general dentists, and laypersons were given a VAS to make subjective assessments of facial attractiveness of the modified photographs. Comparison of raters’ scores was done using Kruskal–Wallis and Mann–Whitney U-tests. Wilcoxon Signed-Rank test was used to compare the esthetic scores of the subject at rest and with smile. Results: The mean age of the all raters was comparable (early adulthood). All raters preferred normal or slightly shorter LAFH in both postures, that is, at smile and rest. Similarly, all raters disliked long face modifications. On comparing smile and rest photographs at various LAFH, we found less VAS scores for smile. Gender of raters played no role in difference of VAS scores. Conclusion: All the panels of rater found normal LAFH to be the most attractive; however, the panels disliked long face modifications on both smile and at rest. Smile had no positive influence on the VAS scores as assumed so the effect of “Smiloflage” must be investigated further to understand it properly.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Can smile influence the lower anterior vertical facial height on frontal view in an adult Asian female subject? A cross-sectional study

Ali

Ahmed

Younus

et al. 2023

APOS

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“…The anterior region of the tooth contributes to lateral profile appearance. Previous literature showed that unfavorable changes in the position of the incisor could lead to poor esthetics of soft tissues of the lips, nose and chin [26,27]. Patients suffering from open bite malocclusion were observed to have reduced palatal diameters and long-term impairment involving altered loading of TMJ and masticatory functions [28].…”

Section: Complex Intraoral Factors Influenced Retreatment Needs In Va...mentioning

confidence: 99%

Orthodontic retreatment need and related self-perceived factors among contemporary college freshmen in China

Wang

Xia

et al. 2023

Journal of Clinical Pediatric Dentistry

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Given that an increasing number of patients who received orthodontic treatment during their childhood or adolescence are seeking retreatment in contemporary China, it is of great necessity to comprehensively understand their motivations. A valid and reliable self-designed questionnaire, based on the Index of complexity, outcome and need (ICON), was distributed online to college freshmen who received orthodontic treatment during their childhood or adolescence. After collecting their basic information and orthodontic retreatment needs data from the survey, the participants’ general self-perception of front facial appearance, lateral facial appearance and tooth alignment, as well as their self-perceived dental alignment, occlusal status, oral function and psychological status, were assessed. Correlation analysis, Chi-square test, Kruskal-Wallis test and logistic regression were performed. Reliability was evaluated for 20 paired questionnaires, and all questions were found to be reliable (intraclass correlation coefficient, >0.70). Among the 1609 participants with a history of orthodontic treatment, 45.56% were males and 54.44% were females. Their mean age was 18.48± 0.91 years. Our results showed that self-perceived front facial appearance, lateral facial profile, tooth alignment, occlusal status, oral function and psychological status were significantly correlated with orthodontic retreatment needs. Both appearance and psychological status affected their self-perceived dental alignment and occlusal status. In conclusion, patients who received orthodontic treatment during their childhood or adolescence in contemporary China seek orthodontic retreatment because they desire better aesthetics of their front facial appearance and tooth alignment, especially the anterior region of the tooth, the lower part of the face and a decent pronunciation. Additionally, psychological concerns should be viewed as an urge, while intraoral factors should be viewed as the foundation during future clinical practice regarding orthodontic retreatment in this age group.

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Does different vertical position of maxillary central incisors in women with different facial vertical height affect smile esthetics perception?

Atik

Türkoğlu

2023

Prog Orthod.

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Background The aim of this study was to assess the esthetic perceptions of orthodontists, prosthodontists and laypersons with regard to different vertical positions of the maxillary central incisors related to lateral incisors for different facial vertical height cases. Subject and methods Frontal full-face photographs showing social smiles of three adult women aged between 18 and 25 years were used. Vertical position of the maxillary central incisor was changed (intruded or extruded) with 0.5 mm increments according to the reference gingival line resulting five images for each woman in a full-face view yielding a total of 15 images. A visual analog scale was placed below each smile to allow the raters to evaluate the attractiveness of each smile independently. One-way analysis of variance was used to determine whether there was a difference between more than two independent groups in terms of quantitative variables. Comparisons of more than two dependent groups were examined with repeated measures one-way ANOVA. The significance level was taken as 0.05 for all analyses. Results For increased facial vertical height, the highest scores for orthodontists were given to the 0.5 mm extruded (64.18 ± 26.36), for prosthodontists to the control (57.28 ± 19.80), and for layperson to the 1 mm extruded (61.27 ± 25.98) central incisor position. For decreased facial vertical height, the highest scores were obtained at the 0.5 mm intrusion with an increasing pattern from orthodontists to laypersons (63.95 ± 22.08 for orthodontists, 79.87 ± 21.43 for prosthodontists, and 79.88 ± 19.17 for laypersons). All three rater groups gave the highest scores to the 0 mm (control) smile design for normal facial vertical height. When these scores were compared among the groups, laypersons gave significantly higher scores compared to orthodontists (p < 0.001) and prosthodontists (p = 0.005). Conclusions The facial vertical height significantly affected the perception of smile esthetics. Keeping the distance between the central and lateral incisors longer than 1 mm in individuals with increased facial height may be important in terms of increasing patient satisfaction in terms of clinical aesthetics. On the contrary, keeping the distance between the central and lateral incisors shorter than 1 mm may create a more esthetically acceptable result in individuals with short facial height.

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Influence of incisor inclination and anterior vertical facial height on facial attractiveness in an adult Asian male

Cited by 6 publications

References 19 publications

Can smile influence the lower anterior vertical facial height on frontal view in an adult Asian female subject? A cross-sectional study

Can smile influence the lower anterior vertical facial height on frontal view in an adult Asian female subject? A cross-sectional study

Orthodontic retreatment need and related self-perceived factors among contemporary college freshmen in China

Does different vertical position of maxillary central incisors in women with different facial vertical height affect smile esthetics perception?

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