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Wang ZW, Kim HJ, Noh HK, Park HS. Influence of facial width on the perception of lip protrusion and its differences between profile and 3-dimensional video clip. Am J Orthod Dentofacial Orthop 2024; 165:447-457. [PMID: 38165290 DOI: 10.1016/j.ajodo.2023.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 10/01/2023] [Accepted: 10/01/2023] [Indexed: 01/03/2024]
Abstract
INTRODUCTION This study evaluated the influence of facial width on the perception of lip protrusion and investigated the concordance between 2-dimensional (2D) profile images and 3-dimensional (3D) video clips in assessing lip protrusion. METHODS An Asian female standard head model was created using 3D modeling software. Eight head models were constructed by modifying the standard head model in terms of facial width (broad, neutral, and slim) and lip protrusion (retrusive, straight, and protrusive). Overall, 97 Asian raters rated the lip protrusion from the 2D profiles and 3D rotation video clips of the 9 models. RESULTS No significant differences were found in the perception of lip protrusion in terms of sex, age, or occupation. Compared with the 2D profiles, the 3D video clips were rated as more protrusive in 8 of the 9 head models, with the retrusive broad, retrusive neutral, straight broad, and straight slim faces showing statistical significance (P <0.01). The rating is significantly higher in slim faces than in broad faces across the 3 groups of 2D profiles (P <0.01). For 3D video clips, the rating was higher in slim faces than in broad faces in all 3 groups, whereas differences were significant in the straight and protrusive groups only (P <0.01). CONCLUSIONS In this study, 3D video clips were more sensitive to the perception of lip protrusion than were 2D profiles to some extent. The lips were rated relatively more protrusive in a slim face than in a broad face. Therefore, the relationship between facial width and lip protrusion should be considered in orthodontic treatment goals and treatment plans.
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Affiliation(s)
- Zhi-Wei Wang
- Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - Ho-Jin Kim
- Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - Hyung-Kyu Noh
- Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - Hyo-Sang Park
- Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, South Korea.
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Thi Nhat Nguyen V, Tran NNT, Nguyen NH, Nguyen TDT. Evaluating smile aesthetic satisfaction and related smile characteristics in dental students. J Oral Biol Craniofac Res 2024; 14:92-97. [PMID: 38293571 PMCID: PMC10825610 DOI: 10.1016/j.jobcr.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/06/2023] [Accepted: 01/03/2024] [Indexed: 02/01/2024] Open
Abstract
Aim This study aimed to assess the association between self-rated smile satisfaction and the smile dimensions among dental students. Method An analytical cross-sectional study was conducted on 216 Vietnamese dental students. A standardized photograph was taken of each student with their frontal social smiles to assess aesthetic dimensions. A single-session self-administered questionnaire containing five questions about smile aesthetic satisfaction related to various aspects was administered to all students. Differences in smile characteristics and satisfaction scores between the two genders were evaluated. The impact of smile characteristics on satisfaction scores was assessed using multiple linear regression models. Results Most dental students had a high smile line, parallel smile arcs, an upward upper lip curvature, a non-touching labiodental relationship, a dental midline that coincided with the midline of the face, and eight teeth displayed during smile. Most participants were satisfied with their smiles, and the self-rated satisfaction score was 67 out of 100. Self-perceived overall smile satisfaction was associated with the "smile arc", the "upper lip curvature", the "number of teeth displayed during smile", and the "dental midline". Female students had a statistically significant correlation between self-perception and smile characteristics, such as upper lip curvature, dental midline shift, and smile line. Conclusions The smile arc, upper lip curvature, and dental midline shift affected self-perceived satisfaction among dental students. Female students showed an association between the smile parameters and self-perceived satisfaction.
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Affiliation(s)
- Vy Thi Nhat Nguyen
- Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen St., 47000, Hue, Viet Nam
| | - Nhu-Ngoc Thi Tran
- Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen St., 47000, Hue, Viet Nam
| | - Nghia-Huu Nguyen
- Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen St., 47000, Hue, Viet Nam
| | - Thuy-Duong Thi Nguyen
- Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen St., 47000, Hue, Viet Nam
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Alaqeely R, AlRowis R, AlSeddiq A, AlShehri F, Aldosari M. Influence of gingival display on smile attractiveness assessed by Saudi Arabian laypersons and dental professionals. Sci Rep 2023; 13:18718. [PMID: 37907618 PMCID: PMC10618470 DOI: 10.1038/s41598-023-45641-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 10/22/2023] [Indexed: 11/02/2023] Open
Abstract
This study was undertaken to evaluate the influence of changes in the gingival display of the maxillary teeth on smile attractiveness assessed by Saudi Arabian dental professionals and laypeople. A total of 138 dental professional and 182 laypeople rated the attractiveness of male and female smiles in a computerized survey. A smiling photograph of a male and a female dental students were selected and digitally manipulated to create changes the amount of gingival display from 4 mm of gingival display to 4mm of gingival covered by the upper lip in 1 mm increments. Each photo was accompanied by a visual analog scale (VAS) for rating. Among dental professionals, 61% rated the female photo with a 1-mm low lip line as the most attractive smile (VAS score ± SE, 7.3 ± 3.18), while 52.7% of laypeople considered the smile with a 2-mm low lip line as the most attractive (6.7 ± 3.4). Regarding male smile photos, 61.6% of dental professionals found the 1-mm low lip line the most attractive (7.3 ± 3.18). The same rating was given by 48.3% of laypeople (6.1 ± 3.6) (p ≤ 0.009). The least attractive smile photo was the smile showing 4 mm of gingiva for male and female smiles. More than half of the laypeople believed that an attractive smile highly affects social life and communication. The Saudi Arabian population appears to be sensitive to the amount of gingival display. The difference in female smile assessment between dental professionals and laypeople highlights the importance of dentist-patient consensus regarding decisions for esthetic treatments. Esthetic treatment is of a major concern for both dentist and patient. The careful assessment of smile pillars including gingival display must be tailored to each patient.
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Affiliation(s)
- Razan Alaqeely
- Department of Periodontics and Community Dentistry, King Saud University, Riyadh, Saudi Arabia.
| | - Raed AlRowis
- Department of Periodontics and Community Dentistry, King Saud University, Riyadh, Saudi Arabia
| | | | - Fahad AlShehri
- Department of Periodontics and Community Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Mohammad Aldosari
- Department of Orthodontics and Pediatric Dentistry, King Saud University, Riyadh, Saudi Arabia
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Coppola G, Christopoulou I, Gkantidis N, Verna C, Pandis N, Kanavakis G. The effect of orthodontic treatment on smile attractiveness: a systematic review. Prog Orthod 2023; 24:4. [PMID: 36740663 PMCID: PMC9899877 DOI: 10.1186/s40510-023-00456-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/11/2023] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Smile attractiveness is a primary factor for patients to seek orthodontic treatment, however, there is yet no systematic evaluation of this topic in the literature. OBJECTIVES To assess the current evidence on the effect of orthodontic treatment on smile attractiveness. SEARCH METHODS Seven electronic databases (MEDLINE, Cochrane Library, Virtual Health Library, SCOPUS, Web of Science, Google Scholar and Embase) were searched on 14 September 2022. SELECTION CRITERIA Studies evaluating smile attractiveness before and after orthodontic treatment or only after completion of orthodontic treatment. DATA COLLECTION AND ANALYSIS Extracted data included study design and setting, sample size and demographics, malocclusion type, treatment modality and method for outcome assessment. Risk of bias was assessed with the ROBINS-I tool for non-randomised studies. Random-effects meta-analyses of mean differences and their 95% confidence intervals (CIs) were planned a priori. METHODS After elimination of duplicate studies, data extraction and risk of bias assessment according to the Cochrane guidelines, an evaluation of the overall evidence was performed. The included studies were evaluated based on the characteristics of their study and control groups and based on their main research question. Also, all outcome measures were standardized into a common assessment scale (0-100), in order to obtain more easily interpretable results. RESULTS Ten studies were included in this review, nine of which were assessed as being at serious risk of bias and one at moderate risk of bias. The large heterogeneity between the included studies did not allow for a meta-analysis. Orthodontic treatment has a moderately positive effect on smile attractiveness. When compared to no treatment, orthodontic treatment with premolar extractions improves smile attractiveness by 22%. Also, surgical correction of Class III cases increases smile attractiveness by 7.5% more than camouflage treatment. No other significant differences were shown between different types of treatment. CONCLUSION Based on the available data, orthodontic treatment seems to moderately improve the attractiveness of the smile. There is significant bias in the current literature assessing the effect of orthodontics on smile attractiveness; therefore, the results cannot be accepted with certainty.
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Affiliation(s)
- G. Coppola
- grid.6612.30000 0004 1937 0642Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine Basel (UZB), University of Basel, Mattenstrasse 40, 4058 Basel, Switzerland
| | - I. Christopoulou
- grid.5216.00000 0001 2155 0800Department of Orthodontics, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - N. Gkantidis
- grid.5734.50000 0001 0726 5157Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - C. Verna
- grid.6612.30000 0004 1937 0642Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine Basel (UZB), University of Basel, Mattenstrasse 40, 4058 Basel, Switzerland
| | - N. Pandis
- grid.5734.50000 0001 0726 5157Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland ,Private Practice, Corfu, Greece
| | - G. Kanavakis
- grid.6612.30000 0004 1937 0642Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine Basel (UZB), University of Basel, Mattenstrasse 40, 4058 Basel, Switzerland ,grid.429997.80000 0004 1936 7531Department of Orthodontics and Dentofacial Orthopedics, Tufts University School of Dental Medicine, Boston, MA USA
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Mai HN, Win TT, Tong MS, Lee CH, Lee KB, Kim SY, Lee HW, Lee DH. Three-dimensional morphometric analysis of facial units in virtual smiling facial images with different smile expressions. J Adv Prosthodont 2023; 15:1-10. [PMID: 36908751 PMCID: PMC9992697 DOI: 10.4047/jap.2023.15.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 12/06/2022] [Accepted: 01/31/2023] [Indexed: 03/06/2023] Open
Abstract
PURPOSE Accuracy of image matching between resting and smiling facial models is affected by the stability of the reference surfaces. This study aimed to investigate the morphometric variations in subdivided facial units during resting, posed and spontaneous smiling. MATERIALS AND METHODS The posed and spontaneous smiling faces of 33 adults were digitized and registered to the resting faces. The morphological changes of subdivided facial units at the forehead (upper and lower central, upper and lower lateral, and temple), nasal (dorsum, tip, lateral wall, and alar lobules), and chin (central and lateral) regions were assessed by measuring the 3D mesh deviations between the smiling and resting facial models. The one-way analysis of variance, Duncan post hoc tests, and Student's t-test were used to determine the differences among the groups (α = .05). RESULTS The smallest morphometric changes were observed at the upper and central forehead and nasal dorsum; meanwhile, the largest deviation was found at the nasal alar lobules in both the posed and spontaneous smiles (P < .001). The spontaneous smile generally resulted in larger facial unit changes than the posed smile, and significant difference was observed at the alar lobules, central chin, and lateral chin units (P < .001). CONCLUSION The upper and central forehead and nasal dorsum are reliable areas for image matching between resting and smiling 3D facial images. The central chin area can be considered an additional reference area for posed smiles; however, special cautions should be taken when selecting this area as references for spontaneous smiles.
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Affiliation(s)
- Hang-Nga Mai
- Institute for Translational Research in Dentistry, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea.,Dental School of Hanoi University of business and technology, Hanoi, Vietnam
| | - Thaw Thaw Win
- Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Minh Son Tong
- School of Dentistry, Hanoi Medical University, Hanoi, Vietnam
| | - Cheong-Hee Lee
- Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Kyu-Bok Lee
- Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - So-Yeun Kim
- Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Hyun-Woo Lee
- Department of Oral and Maxillofacial Surgery, Uijeongbu Eulji Medical Center, Eulji University School of Dentistry, Uijeongbu, Republic of Korea
| | - Du-Hyeong Lee
- Institute for Translational Research in Dentistry, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea.,Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
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Clear Aligners and Smart Eye Tracking Technology as a New Communication Strategy between Ethical and Legal Issues. Life (Basel) 2023; 13:life13020297. [PMID: 36836654 PMCID: PMC9967915 DOI: 10.3390/life13020297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/26/2023] Open
Abstract
Smart eye-tracking technology (SEET) that determines visual attention using smartphones can be used to determine the aesthetic perception of different types of clear aligners. Its value as a communication and comprehension tool, in addition to the ethical and legal concerns which it entails, can be assessed. One hundred subjects (50 F, 50 M; age range 15-70) were equally distributed in non-orthodontic (A) and orthodontic (B) groups. A smartphone-based SEET app assessed their knowledge of and opinions on aligners. Subjects evaluated images of smiles not wearing aligners, with/without attachments and with straight/scalloped gingival margins, as a guided calibration step which formed the image control group. Subsequently, the subjects rated the same smiles, this time wearing aligners (experimental images group). Questionnaire data and average values for each group of patients, and images relating to fixation times and overall star scores, were analyzed using these tests: chi-square, t-test, Mann-Whitney U, Spearman's rho, and Wilcoxon (p < 0.05). One-way ANOVA and related post-hoc tests were also applied. Orthodontic patients were found to be better informed than non-orthodontic patients. Aesthetic perception could be swayed by several factors. Attachments scored lower in aesthetic evaluation. Lips distracted attention from attachments and improved evaluations. Attachment-free aligners were better rated overall. A more thorough understanding as to the opinions, expectations and aesthetic perception of aligners can improve communication with patients. Mobile SEET is remarkably promising, although it does require a careful medicolegal risk-benefit assessments for responsible and professional use.
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Alresheedi B. Digitally Guided Workflow for the Esthetic and Prosthetic Oral Rehabilitation of a Patient with Excessive Gingival Display: A Case Report. Clin Cosmet Investig Dent 2022; 14:281-287. [PMID: 36164618 PMCID: PMC9508994 DOI: 10.2147/ccide.s381639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 09/14/2022] [Indexed: 11/26/2022] Open
Abstract
This report describes the esthetic and prosthetic oral rehabilitation of a patient with excessive gingival display using a digital guided workflow. As per this digital workflow, the patient’s photographs, three-dimensional radiographic images, and a diagnostic digital intraoral scan were obtained. Preoperative digital case planning and designing were followed by the fabrication of surgical guides, printed casts, and matrices to accurately execute surgical esthetic crown lengthening and reproduce the digital design in the subsequent prosthetic rehabilitation.
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Affiliation(s)
- Bandar Alresheedi
- Department of Prosthetic Dental Sciences, College of Dentistry, Qassim University, Al-Mulaydah, Qassim, Kingdom of Saudi Arabia
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Kouskoura T, Ochsner T, Verna C, Pandis N, Kanavakis G. The effect of orthodontic treatment on facial attractiveness: a systematic review and meta-analysis. Eur J Orthod 2022; 44:636-649. [PMID: 35984326 DOI: 10.1093/ejo/cjac034] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Facial and smile attractiveness are significant motivating factor for patients to seek orthodontic treatment. Although there is a general belief that orthodontic treatment improves facial appearance, this has yet not been systematically evaluated. OBJECTIVE The objective of this study was to assess the current evidence on the effect of orthodontic treatment on facial attractiveness. SEARCH METHODS Systematic and unrestricted search of nine databases were performed up to January 2022. SELECTION CRITERIA Studies evaluating facial attractiveness before and after orthodontic treatment. DATA COLLECTION AND ANALYSIS Extracted data included study design and setting, sample size and demographics, malocclusion type, treatment modality, and method for outcome assessment. Risk of bias was assessed with the ROBINS-I tool for non-randomized studies and with RoB-2 for randomized controlled trials (RCTs). Random-effects meta-analyses of mean differences and their 95% confidence intervals (CIs) were performed. RESULTS Twenty studies were included in data synthesis; three randomized controlled clinical trials and 17 non-randomized clinical studies of retrospective or prospective design. One of the RCTs was found to have low risk of bias, one presented some concerns and the third showed a high risk of bias. All non-randomized studies showed either unclear or high risk of bias. Data syntheses showed that orthodontic treatment improved facial attractiveness ratings by 9% when compared with untreated controls (MD: 9.05/95% CI: 4.71; 13.39). A combination of orthodontics and orthognathic surgery also showed a positive effect of 5.5% (MD: 5.51/95% CI: 1.55; 9.47) when compared with orthodontic treatment alone. There was no difference in effect between extraction and non-extraction treatments (MD: -0.89/ 95% CI: -8.72; 6.94) or between different types of Class II correctors (MD: 2.21/95% CI: -16.51; 20.93). LIMITATIONS With the exception of two RCTs, included studies were of unclear or low quality. CONCLUSIONS Orthodontic treatment has a clinically weak effect on facial attractiveness when compared to no treatment. The same is true when a combined orthodontic/surgical treatment is compared to orthodontics alone. REGISTRATION PROSPERO #: CRD42020169904.
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Affiliation(s)
- Thaleia Kouskoura
- Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine Basel UZB, University of Basel, Switzerland
| | - Tatjana Ochsner
- Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine Basel UZB, University of Basel, Switzerland
| | - Carlalberta Verna
- Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine Basel UZB, University of Basel, Switzerland
| | - Nikolaos Pandis
- Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Switzerland.,Private Practice, Corfu, Greece
| | - Georgios Kanavakis
- Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine Basel UZB, University of Basel, Switzerland.,Department of Orthodontics and Dentofacial Orthopedics, Tufts University School of Dental Medicine, Boston, MA, USA
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Dobreva D, Gkantidis N, Halazonetis D, Verna C, Kanavakis G. Smile Reproducibility and Its Relationship to Self-Perceived Smile Attractiveness. BIOLOGY 2022; 11:biology11050719. [PMID: 35625447 PMCID: PMC9138875 DOI: 10.3390/biology11050719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/04/2022] [Accepted: 05/05/2022] [Indexed: 11/16/2022]
Abstract
The reproducibility of facial expressions has been previously explored, however, there is no detailed information regarding the reproducibility of lip morphology forming a social smile. In this study, we recruited 93 young adults, aged 21−35 years old, who agreed to participate in two consecutive study visits four weeks apart. On each visit, they were asked to perform a social smile, which was captured on a 3D facial image acquired using the 3dMD camera system. Assessments of self-perceived smile attractiveness were also performed using a VAS scale. Lip morphology, including smile shape, was described using 62 landmarks and semi-landmarks. A Procrustes superimposition of each set of smiling configurations (first and second visit) was performed and the Euclidean distance between each landmark set was calculated. A linear regression model was used to test the association between smile consistency and self-perceived smile attractiveness. The results show that the average landmark distance between sessions did not exceed 1.5 mm, indicating high repeatability, and that females presented approximately 15% higher smile consistecy than males (p < 0.05). There was no statistically significant association between smile consistency and self-perceived smile attractiveness (η2 = 0.015; p = 0.252), when controlling for the effect of sex and age.
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Affiliation(s)
- Denitsa Dobreva
- Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine UZB, University of Basel, Mattenstrasse 40, 4058 Basel, Switzerland; (D.D.); (C.V.)
| | - Nikolaos Gkantidis
- Department of Orthodontics and Dentofacial Orthopedics, University of Bern, 3001 Bern, Switzerland;
| | - Demetrios Halazonetis
- Department of Orthodontics, School of Dentistry, National and Kapodistrian University of Athens, GR-11527 Athens, Greece;
| | - Carlalberta Verna
- Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine UZB, University of Basel, Mattenstrasse 40, 4058 Basel, Switzerland; (D.D.); (C.V.)
| | - Georgios Kanavakis
- Department of Pediatric Oral Health and Orthodontics, University Center for Dental Medicine UZB, University of Basel, Mattenstrasse 40, 4058 Basel, Switzerland; (D.D.); (C.V.)
- Department of Orthodontics, Tufts University School of Dental Medicine, Boston, MA 02111, USA
- Correspondence:
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OUP accepted manuscript. Eur J Orthod 2022; 44:369-376. [DOI: 10.1093/ejo/cjac008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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