The Influence of Educational Level on the Perception of Altered Smile Esthetics Among Dental Students: A Cross-Sectional Study
Abstract
1. Introduction
2. Materials and Methods
Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Smile Esthetic Discrepancy | Academic Year | |||||
---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | ||
Single | Mismatch in central incisors’ width (a) | 7.96 (8.09) a | 7.60 (5.68) a | 7.86 (5.77) a | 6.92 (6.41) a | 8.23 (6.49) a |
Mismatch in central incisors’ length (b) | 13.27 (9.06) a | 12.57 (8.63) a | 11.96 (8.23) a,b | 11.23 (9.09) a,b | 10.61 (7.76) b | |
Moderate maxillary anterior crowding (c) | 23.01 (11.54) a | 25.75 (8.54) a | 24.22 (9.97) a | 19.77 (10.06) b | 16.82 (10.12) b | |
Midline diastema (d) | 21.50 (11.52) a | 20.58 (8.60) a | 18.21 (9.44) b | 18.65 (10.16) b | 17.06 (8.61) b | |
Multiple diastema (e) | 23.37 (12.11) a | 22.13 (10.60) a | 20.56 (9.50) a,b | 19.12 (9.03) b | 19.70 (9.73) b | |
Open gingival embrasures (f) | 14.86 (10.19) a | 12.67 (8.20) b | 11.16 (7.86) b,c | 12.71 (7.73) b | 9.77 (7.10) c | |
Reduced tooth exposure, <75% (g) | 9.53 (7.97) a | 9.51 (7.79) a | 7.81 (6.40) a,b | 6.52 (6.36) b | 6.91 (6.05) b | |
Dental midline deviation (h) | 10.75 (8.92) a | 9.47 (6.69) a,b | 7.88 (6.00) b | 10.53 (9.18) a | 11 (8.62) a | |
Peg laterals (i) | 23.80 (11.95) a | 23.25 (9.45) a | 21.27 (9.71) a,b | 20.02 (10.72) b | 17.82 (9.08) c | |
Sound canines in place of missing laterals (j) | 8.93 (7.42) a | 8.15 (6.64) a | 9.22 (6.72) a | 8.10 (7.32) a | 7.73 (5.22) a | |
Gummy smile 3 mm (k) | 9.37 (8.14) a | 9.65 (8.02) a | 11.87 (8.79) b | 10.86 (7.72) a,b | 11.32 (6.64) b | |
Severe fluorosis (l) | 18.52 (10.73) a | 17.37 (8.80) a | 18.16 (8.75) a | 15.40 (9.29) b | 16.17 (8.90) b | |
Reduced tooth lightness (ΔL = 5) (m) | 18.07 (11.43) a | 17.38 (9.62) a | 13.71 (8.66) b | 11.55 (10.22) c | 11.38 (9.57) c | |
Reduced tooth lightness (ΔL = 3) (n) | 10.81 (8.97) a | 10.45 (7.73) a | 7.11 (6.70) b | 7.53 (6.44) b | 5.51 (4.39) c | |
Complex | d + n (o) | 23.93 (11.77) a | 23.25 (9.45) a | 21.27 (9.71) a,b | 20.02 (10.72) b | 17.82 (9.08) c |
b + j (p) | 9.97 (9.16) a | 10.78 (8.06) a | 11.08 (8.58) a | 10.82 (7.93) a | 10.51 (7.56) a | |
c + i (q) | 19.11 (10.98) a | 19.16 (8.56) a | 21.31 (8.96) a | 19.26 (9.38) a | 16.83 (8.98) b | |
d + k (r) | 23 (11.93) a | 22.02 (9.04) a | 23.22 (8.72) a | 21.67 (8.91) a | 21.86 (8.82) a | |
d + k + m (s) | 24.05 (11.33) a | 25.10 (9.14) a | 23.91 (10.31) a | 20.67 (10.32) b | 21.52 (9.62) b | |
k + gingival recession (t) | 12.46 (10.17) a | 14.18 (9.26) a | 15.36 (10.30) b | 14.61 (9.92) b | 14.47 (8.63) b | |
d + k + gingival recession (u) | 22.76 (11.79) a | 22.35 (8.71) a | 22.32 (9.26) a | 21.35 (9.47) a | 21.46 (9.07) a |
Smile Esthetic Discrepancy | Gender | ||
---|---|---|---|
Male | Female | ||
Single | Mismatch in central incisors’ width (a) | 8.21 (6.89) a | 6.89 (5.79) a |
Mismatch in central incisors’ length (b) | 10.94 (7.58) a | 12.52 (9.09) a | |
Moderate maxillary anterior crowding (c) | 15.63 (8.36) a | 18.02 (9.80) b | |
Midline diastema (d) | 18.75 (8.80) a | 19.47 (10.38) a | |
Diastema (multiple) (e) | 19.80 (9.40) a | 21.68 (10.79) a | |
Gingival recession (Canine) (f) | 13.15 (8.87) a | 14.79 (10.09) a | |
Open gingival embrasures (g) | 10.94 (6.77) a | 13.01 (9.19) b | |
Reduced tooth exposure, <75% (h) | 7.92 (6.36) a | 8.14 (7.43) a | |
Dental midline deviation (i) | 10.32 (8.12) a | 9.69 (7.98) a | |
Peg laterals (j) | 10.32 (8.12) a | 9.68 (7.98) a | |
Sound canines in place of missing laterals (k) | 7.62 (6.29) a | 8.91 (6.90) a | |
Gummy smile (l) | 10.70 (7.87) a | 10.56 (7.95) a | |
Severe fluorosis (m) | 20.58 (10.39) a | 22.71 (10.50) b | |
Reduced tooth lightness (ΔL = 5) (n) | 12.47 (9.44) a | 15.59 (10.67) b | |
Reduced tooth lightness (ΔL = 3) (o) | 7.36 (5.49) a | 8.83 (8.11) a | |
Complex | d + n | 20.24 (9.08) a | 21.87 (11.06) a |
k + b | 9.48 (7.27) a | 11.33 (8.72) b | |
c + j | 18.47 (8.68) a | 19.53 (9.91) a | |
d + l | 22.31 (9.62) a | 22.38 (9.51) a | |
d +l + o | 22.42 (9.95) a | 23.42 (10.44) a | |
l + f | 12.46 (10.17) a | 14.18 (9.26) a | |
d + l +f | 20.58 (10.39) a | 22.71 (10.50) b |
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Ntovas, P.; Rachiotis, I.; Maniatakos, P.; Loumprinis, N.; Paximada, C.; Rahiotis, C. The Influence of Educational Level on the Perception of Altered Smile Esthetics Among Dental Students: A Cross-Sectional Study. Dent. J. 2025, 13, 287. https://doi.org/10.3390/dj13070287
Ntovas P, Rachiotis I, Maniatakos P, Loumprinis N, Paximada C, Rahiotis C. The Influence of Educational Level on the Perception of Altered Smile Esthetics Among Dental Students: A Cross-Sectional Study. Dentistry Journal. 2025; 13(7):287. https://doi.org/10.3390/dj13070287
Chicago/Turabian StyleNtovas, Panagiotis, Ioulianos Rachiotis, Panagiotis Maniatakos, Nikolaos Loumprinis, Chariklia Paximada, and Christos Rahiotis. 2025. "The Influence of Educational Level on the Perception of Altered Smile Esthetics Among Dental Students: A Cross-Sectional Study" Dentistry Journal 13, no. 7: 287. https://doi.org/10.3390/dj13070287
APA StyleNtovas, P., Rachiotis, I., Maniatakos, P., Loumprinis, N., Paximada, C., & Rahiotis, C. (2025). The Influence of Educational Level on the Perception of Altered Smile Esthetics Among Dental Students: A Cross-Sectional Study. Dentistry Journal, 13(7), 287. https://doi.org/10.3390/dj13070287