Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons

Abstract

The result of this study corroborates the clinical assumption that symmetry between the maxillary central incisors is a paramount goal for esthetic treatments.

Influence of maxillary incisor level of exposure on the perception of dentofacial aesthetics among orthodontists and laypersons

“…The first group was selected because previous studies showed that they are the most sensitive in detecting deviations from the ideal [10,13,16,17], while the latter group was chosen because they are the primary consumers of dental services [15]. Some authors have found that there is a difference between orthodontists and laypeople when evaluating several smile characteristics [1,3,10,14]. On the contrary, our study did not find any statistically significant differences between these two groups.…”

“…The interlabial distance was set to 3.5 mm for the woman and 2.5 mm for the man and an incisal step between centrals and laterals of 1.0 mm for the woman and 0.5 mm for the man, and all mandibular teeth were removed. Each image was then condensed to achieve an image with measurements identical to those on the actual patient [1,16].…”

Perceptions of dental professionals and laypeople to altered maxillary incisor crowding

“…9 It is believed that not all people are equally sensitive to specific dental aberrations and, accordingly, that orthodontists are the most, general dentists less, and laypersons the least observant of altered dental esthetics. [10][11][12] Previous research dealing with smile esthetics has focused on buccal corridor spaces, 12 anatomy, [14][15][16] smile arcs, 17 maxillary incisor proportions, 18,19 and mandibular crowding. 20 At least 1 earlier study evaluated the perceptions of orthodontists and laypeople with respect to varying degrees of mandibular incisor crowding as measured with Little's irregularity index (LII).…”

Percepción de la desviación de la línea media de la sonrisa por individuos no relacionados a la odontología y por especialistas en ortodoncia

“…Machado 10 , en el 2013, realizó su estudio empleando como modelos las fotografías de dos mujeres, una de rasgos caucásicos y una de rasgos afrodescendientes; realizó la evaluación de una variable distinta (bordes incisales), pero como conclusión, no obtuvo diferencias en cuanto al color de piel de las modelos sometidas a evaluación. En el presente estudio se usó un solo sujeto modelo: mestizo, cuya fotografía y modificaciones fueron sometidas a grupos evaluadores peruanos (ambos grupos).…”