10 commandments of smile esthetics

Machado, André Wilson

doi:10.1590/2176-9451.19.4.136-157.sar

Cited by 129 publications

(155 citation statements)

References 27 publications

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“…Although this confirms the importance of the maxillary central incisors in evaluating smile esthetics 1 - 3 , 5 , 6 , 9 it also highlights some questions: what is the most attractive vertical position of the maxillary central incisors, taking into account both the gingival contour and the incisal edge? Small vertical modifications on maxillary central incisors modify the perception of smile esthetics?…”

Section: Introductionsupporting

confidence: 55%

Do different vertical positions of maxillary central incisors influence smile esthetics perception?

Menezes

Bittencourt

Machado

2017

Dental Press J. Orthod.

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INTRODUCTION: The purpose of this study was to determine the perception of smile esthetics among orthodontists and layperson, with respect to different maxillary central incisors vertical positions in full-face and close-up smile analyses. METHODS: Frontal photographs of the smiles of two adult women were used. Images were altered to create a symmetrical image with the gingival margin levels of the maxillary canines matching the central incisors and a 1.0-mm central-to-lateral incisal step. Later, the images were altered in order to create six different central incisor vertical positions in 0.5-mm increments. The images were randomly assembled in an album, which was given to 114 judges, 57 orthodontists and 57 laypersons, who were asked to evaluate the attractiveness of the images using the visual analog scale. The data collected were statistically analyzed by means of 1-way analysis of variance with the Tukey post-hoc test and the Student t test.RESULTS: The highest rated smiles showed two notable characteristics: a) the central incisor gingival margins matched or were 0.5 mm below the line of the canine gingival margins and; b) the central-to-lateral incisal step was 1.0 to 1.5 mm. The worst smiles showed two notable characteristics: a) the central incisor gingival margins were 1.0 mm above or 1.5 mm below the canine gingival margins and; b) no step between the centrals and laterals or a 2.5-mm step.CONCLUSION: The vertical position of the maxillary central incisors significantly affected the perception of the smile esthetics, whereas slightly extruded central incisors were more esthetically preferred than intruded.

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Section: Introductionsupporting

confidence: 55%

Do different vertical positions of maxillary central incisors influence smile esthetics perception?

Menezes

Bittencourt

Machado

2017

Dental Press J. Orthod.

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“…A few esthetic features have been emphasized, such as a greater exposure of the central upper incisors, which has been associated with youth, sensuality, and sexual attractiveness. 6 In this regard, it can be said that changes in tooth positioning or shape, such as diastemas, conoid or rotated teeth, as well as changes in color, texture, or tooth alignment within the arch, compromise tooth harmony. 1 The evolution of restoration materials and adhesive systems has been a contributing factor to the resolution of esthetic problems.…”

Section: Discussionmentioning

confidence: 99%

“…4 Under the principle of minimally invasive dentistry, cosmetic contouring appeared as a technique for dental remodeling by an optical illusion, by reduction of dental angles, or by the addition of resin. 5,6 In other words, changes are made to areas that reflect or disperse light, thereby correcting the proportion and alignment of the teeth for improvement of the smile.…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, in cosmetic treatments, the dental surgeon must have knowledge of such esthetic principles as the mesiodistal diameter of the teeth, esthetic dental proportion, contour of the gums, interdental contact and spacing, and smile line. 6 Although the dental contouring technique still has some limitations, it offers several advantages, such as bringing back function, esthetics, and personal characteristics of the individual. Its main advantage, however, is that it is a conservative technique that limits itself to minimal tooth abrasion.…”

Section: Introductionmentioning

confidence: 99%

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Cosmetic contour: minimally invasive cosmetic reformulation

Sperduto

David

Pires

et al. 2016

Rev. Bras. Odontol.

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“…Buccal corridor refers to dark space (negative space) visible during smile formation between the corners of the mouth and the buccal surfaces of the maxillary teeth (6) . it could be narrow, moderate or wide buccal corridor according to arch size and the degree of muscular activity (5,17,18) . dentogingival analysis including Gingival health, contour, shape, lines(Papillary line and Cervical line) (6,11,19) .…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Smile Characteristics in Different Dentoalveolar Malocclusion Cases

2017

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Objectives: This study was designed to assess the smile characteristics in different dentoalveolar malocclusion cases, by standardized photographic analysis. Subjects and methods: A sample of 132 subjects with age range from 18 to 24 years. The study groups were designed according to Angles Classification in to 4 groups. Standardized extraoral photographs at rest position, social smile, maximum smile and profile were taken for each subject. Smile analysis was done by identifying certain measurements digitally via software. Results: The upper and lower lip length showed significant change. The mouth width increased during smiling significantly. The smile area showed no significant different in social smile between all groups. The buccal corridors area showed significant increase. The incisal show had significant difference among all groups in social smile. The smile arch depth showed no significant difference in social smile among all groups. The gingival exposure significantly increased during maximum smile. Conclusions: Control group showed moderate smile Class I with bimaxillary protrusion, spacing and openbite subgroups showed high smile. Class I with crowding and deepbite subgroups showed low smile. Class II Division 1 group showed high smile while Division 2 showed moderate smile. Class III group showed low smile.

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10 commandments of smile esthetics

Cited by 129 publications

References 27 publications

Do different vertical positions of maxillary central incisors influence smile esthetics perception?

Do different vertical positions of maxillary central incisors influence smile esthetics perception?

Cosmetic contour: minimally invasive cosmetic reformulation

Assessment of the Smile Characteristics in Different Dentoalveolar Malocclusion Cases

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