Lay preferences for dentogingival esthetic parameters: A systematic review

Monte, Stefano Del; Afrashtehfar, Kelvin I.; Emami, Elham; Nader, Samer Abi; Tamimi, Faleh

doi:10.1016/j.prosdent.2017.04.032

Cited by 53 publications

(43 citation statements)

References 40 publications

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“…From the perspective of orthodontists, Dindaroğlu et al reported that the amount of tooth exposed in the smile is decisive for regarding a smile as aesthetically pleasant (p = 0.018) [9]. Del Monte et al [34] found that there should be 0.4 mm of gingival display when smiling. Asymmetry during smiling could be considered clinically as a dental occlusal cant or maxillary skeletal asymmetry [10], and it is crucial to know the underlying cause In our sample, a high smile was more common among females than in males, while a low smile line was more prevalent among males -this being consistent with the data found in the literature [29,33,35].…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the maxillary midline, curve of the upper lip, smile line and tooth shape: a prospective study of 140 Caucasian patients

Melo

Ata-Ali

et al. 2020

BMC Oral Health

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Background: A number of reference patterns such as the interincisal line, curve of the upper lip, width of the smile or shape of the teeth have been studied in different populations. Determining the frequency of different smile aesthetic parameters in a European Caucasian population and exploring possible gender differences is important in order to obtain predictable treatment outcomes. Methods: Photographs were obtained under resting and forced smiling conditions in 140 individuals (70 males and 70 females) with a mean age of 20.1 ± 4.3 years. Different variables were recorded, including the position of the maxillary interincisal midline in relation to the facial midline, the arc and width of the smile, and the shape of the teeth. The data were processed using the SPSS version 15.0 statistical package, with application of the chi-squared test and a confidence level of 95%. The statistical power was 80%, and the level of significance 5% (α = 0.05). Results: A total of 94.3% of the sample presented a maxillary interincisal midline coinciding with the facial midline, and 80% had a consonant smile line. The curve of the upper lip was upwards in 47.1% of the cases, followed by a straight curve in 41.4%. Most of the subjects (84.3%) presented a medium smile line with tooth exposure to the second premolar (61.4%). There were no significant differences between males and females. Conclusions: The integration of aesthetic criteria is needed in order to guarantee satisfactory and predictable dental treatment outcomes. There were no statistically significant differences between males and females. The maxillary interincisal midline coincided with the facial midline, with a consonant smile arc and a medium smile line, upward lip curve and oval tooth shape.

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Section: Discussionmentioning

confidence: 99%

Evaluation of the maxillary midline, curve of the upper lip, smile line and tooth shape: a prospective study of 140 Caucasian patients

Melo

Ata-Ali

et al. 2020

BMC Oral Health

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“…21 Full face photographs introduce many confounding variables that bias the results. 38 Most participants in the current study preferred the whitest tooth shade in all models regardless of the skin shade of the model. This came in disagreement with previous studies that reported that while most of the participants preferred the whitest teeth in fair skin shades, in dark skin shades the less white tooth shades were the most preferred.…”

Section: Discussionmentioning

confidence: 73%

Tooth Shade Preferences among the General Public

Almufleh

Emami

Al‐Khateeb

et al. 2020

Journal of Prosthodontics

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Purpose To identify laypersons’ most preferred tooth shade as a function of observer and patient factors, namely patients’ skin shade and observers’ socio‐demographics. Materials and Methods Two online surveys using computer‐designed perioral images with different shades of the skin and teeth were distributed to participants in Montreal (Canada) and San Francisco (USA). The first survey (n = 120) was designed to assess public preferences of tooth shade value, hue and chroma as a function of the skin color of the perioral image (model), and the demographic characteristics of the observer. The first survey included 6 sets of 9 identical perioral images. A different skin shade (from very dark to very light) was used for each set of images, and each set of images presented teeth with different tooth shades which included three different levels of value (2M1, 3M1, 4M1), hue (3L1.5, 3M1, 3R1.5), and chroma (3M1, 3M2, 3M3) of the Vita 3D Master shade guide. Participants were asked to choose their preferred image for each category (value, hue, chroma) within each set of skin shades. A second survey was performed to pinpoint the tooth shade that is preferred the most by the general public. In this survey, images with four tooth shades (1M1, 2M1, 3M1, 4M1) and 6 skin shades were distributed (n = 70). Ordinal logistic regression was used to identify significant predictors of preferred tooth shades. Results Most of the participants preferred teeth with the highest value (54%), a neutral hue (59%) and the lowest chroma (89%). About 75% of the participants preferred 1M1 the lightest tooth shade over other shades regardless of their demographics or skin color of the model. Among the observer‐related variable, age was the most significant predictor of people preferred tooth shade (p = 0.019). Conclusion This study showed that there are common preferences in terms of tooth shade value, hue and chroma among participants regardless of demographic variables and facial skin shades. This data could guide dentists for tooth shade selection in the clinical practice.

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“…All team members should plan for implant spacing and ridge form that support ideal tooth and soft tissue dimensions. Del Monte et al provide a good benchmark for lateral size and contours in their report that laypeople prefer those that are 62% narrower, their incisal edge 1.3 mm shorter, and their gingival margins 0.5 mm incisal to the central incisors.…”

Section: Space Requirements For a Dental Implant To Replace A Maxillamentioning

confidence: 99%

The treatment dilemma of missing maxillary lateral incisors‐Part II: Implant restoration

Priest¹

2019

J Esthet Restor Dent

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Objective This second of a two‐part series reviews the single dental implant as the most current treatment alternative for replacement of a missing or lost maxillary lateral incisor. Assessments of dental maturity for implant placement, implant space requirements, surgical and restorative influence on soft tissue profiles, and implant success are reviewed. Overview Recent data indicates that implant success rates are high, and esthetics and soft tissue profiles appear to be stable for maxillary lateral incisor implants. Implant placement should be assessed by dental maturity of the specific patient as opposed to chronological age, and implant spacing should be developed and assessed by all team members. Conclusions Implant replacement of a missing lateral incisor is a predictable treatment mode if implant placement is deferred until dental maturity and then accurately placed in a well‐developed site. Treatment involves more complicated planning and execution from team members than other alternatives, but innovations in techniques and materials render it a favorable alternative for lateral incisor replacement. Clinical significance Implant restoration of a missing or lost maxillary lateral incisor is surgically and restoratively more complex than space closure or a resin‐bonded fixed dental prosthesis but demonstrates high success rates and high esthetic potential when team members follow strict treatment protocols.

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Lay preferences for dentogingival esthetic parameters: A systematic review

Cited by 53 publications

References 40 publications

Evaluation of the maxillary midline, curve of the upper lip, smile line and tooth shape: a prospective study of 140 Caucasian patients

Evaluation of the maxillary midline, curve of the upper lip, smile line and tooth shape: a prospective study of 140 Caucasian patients

Tooth Shade Preferences among the General Public

The treatment dilemma of missing maxillary lateral incisors‐Part II: Implant restoration

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