Analysis of smile aesthetics using the SmileCurves digital template

The aesthetic analysis of a smile may be facilitated by the use of a template that provides several dental aesthetic references and support for the diagnosis, simplifying it and defining guidelines for the aesthetic planning of orthodontic and integrated treatments.

Objective:

To describe a simple and objective procedure for the evaluation of smile aesthetics using the SmileCurves digital template (SCT), based on the superimposition of intraoral photographic images and close-up views of a smile.

Conclusion:

SCT is a simple and objective tool for the aesthetic analysis of a smile.

Keywords:
Aesthetics; Smile; Orthodontics; Dental aesthetics; Template

Authorship

Carlos Alexandre Câmara

Universidade Estadual do Rio de Janeiro (Rio de Janeiro/RJ, Brasil).Universidade Estadual do Rio de JaneiroBrazilRio de Janeiro, RJ, BrazilUniversidade Estadual do Rio de Janeiro (Rio de Janeiro/RJ, Brasil).

http://orcid.org/0000-0002-8147-5176

Contact address: Carlos Alexandre Câmara E-mail: carlosalexandrecamara@gmail.com

»
The authors report no commercial, proprietary or financial interest in the products or companies described in this article.

Conception/design of the study:

CAC. Data acquisition, analysis or interpretation: CAC. Writing the article: CAC. Critical revision of the article: CAC. Final approval of the article: CAC. Overall responsibility: CAC.

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Figures

Figures (6)

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Figure 1
Diagram of Dental Aesthetic References (DDAR).

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Figure 2
Six Horizontal Smile Lines.

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Figure 3
SmileCurves Template (SCT).

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Figure 4
Initial (A) and final (B) intraoral images of patient do not make clear whether deep bite improvement resulted from intrusion of maxillary or mandibular teeth. However, evaluation of smile lines of upper and lower lips, together with SCT, reveals improvement of leveling of maxillary (upper lip line shows that patient had a low smile) and mandibular incisors when comparing images before (C) and after (D) treatment, as there is clear intrusion of mandibular incisors.

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Figure 5
In this case, SCT was used directly over close-up view, and transference of design of lip lines was not necessary. Evaluation of images before (A) and after (B) treatment without SCT does not clearly show whether gummy smile was corrected by increase of clinical crown, orthodontic or surgical intrusion. When template of initial image (C) was positioned, proportion of width to height of incisors was visibly adequate and, therefore, clinical crown increase was not indicated. Final image (D) using SCT shows that gummy smile was corrected by orthodontic intrusion supported by miniplates (posterior region) and mini-implants (anterior region).

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Figure 6
Close-up (A) and frontal (B) intraoral images show that, without full exposure of maxillary teeth, it is not possible to use SCT. However, using Clincheck (Invisalign) image of maxillary arch, SCT can be used on both initial (C) and final (D) images. Comparison of final treatment images (with aligners) (E) using SCT demonstrated Clincheck accuracy (F). Using SCT, periodontal surgery could be directed to increasing clinical crown (G) and final restorations using porcelain laminate veneers (H).

Figure 1 Diagram of Dental Aesthetic References (DDAR).

Figure 2 Six Horizontal Smile Lines.

Figure 3 SmileCurves Template (SCT).

Figure 4 Initial (A) and final (B) intraoral images of patient do not make clear whether deep bite improvement resulted from intrusion of maxillary or mandibular teeth. However, evaluation of smile lines of upper and lower lips, together with SCT, reveals improvement of leveling of maxillary (upper lip line shows that patient had a low smile) and mandibular incisors when comparing images before (C) and after (D) treatment, as there is clear intrusion of mandibular incisors.

Figure 5 In this case, SCT was used directly over close-up view, and transference of design of lip lines was not necessary. Evaluation of images before (A) and after (B) treatment without SCT does not clearly show whether gummy smile was corrected by increase of clinical crown, orthodontic or surgical intrusion. When template of initial image (C) was positioned, proportion of width to height of incisors was visibly adequate and, therefore, clinical crown increase was not indicated. Final image (D) using SCT shows that gummy smile was corrected by orthodontic intrusion supported by miniplates (posterior region) and mini-implants (anterior region).

Figure 6 Close-up (A) and frontal (B) intraoral images show that, without full exposure of maxillary teeth, it is not possible to use SCT. However, using Clincheck (Invisalign) image of maxillary arch, SCT can be used on both initial (C) and final (D) images. Comparison of final treatment images (with aligners) (E) using SCT demonstrated Clincheck accuracy (F). Using SCT, periodontal surgery could be directed to increasing clinical crown (G) and final restorations using porcelain laminate veneers (H).

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Analysis of smile aesthetics using the SmileCurves digital template

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[1] Contact address: Carlos Alexandre Câmara E-mail: carlosalexandrecamara@gmail.com