Influence of occlusal plane inclination and mandibular deviation on esthetics

Corte, Cristiane Cherobini Dalla; Silveira, Bruno Lopes da; Marquezan, Mariana

doi:10.1590/2177-6709.20.5.050-057.oar

Cited by 9 publications

(7 citation statements)

References 18 publications

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“…Some studies compared directly dentists vs laypersons, finding tolerances of 1 mm for dentists and 3 mm for laypersons, 19 others found similarities between both groups. 20,21 The present study found the threshold at 2 (or the equivalent of 1 mm 19 ), corroborating the results of Padwa et al, 22 showing a slightly higher sensitivity of the laypersons interviewed compared to the literature. It is evident that there is a high variability of results in the literature regarding was to see if the nose and chin inclinations affected the ratings considering which side of the cant was involved.…”

Section: Discussionsupporting

confidence: 91%

Layperson's preference of the transverse occlusal plane in asymmetric facial model

Silva

Tortora

Stanley

et al. 2019

J Esthet Restor Dent

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Objective Facial asymmetries are common, especially deviated nose and chin. The clinician must consider these variables when establishing the smile, placement and angulation of the occlusal plane. The purpose of this article is to determine if nose and chin deviations affect the perception of laypeople towards different angulations of the occlusal plane cant. Materials and Method An asymmetric facial model was created from a symmetric facial model used in a previous study. Nose and chin were deviated 3 mm to the left and eight different pictures were created, each with different degrees of occlusal plane cant in both direction. Using a visual Likert scale delivered via Websurvey within the private practice setting, 120 randomly selected laypersons evaluated each image according to their own beauty preferences. Results In an asymmetric face, nose and chin deviated 3 mm to the left, a minor occlusal plane angulation of 2° can be perceptible regardless of the direction of the cant. Conclusions The occlusal plane should be as parallel to the interpupillary line as possible. If occlusal cant is present, less than 2° of angulation it is preferable, regardless of the direction of the nose and chin. Clinical Significance In the presence of an asymmetric face, the occlusal plane should be as parallel as possible to the interpupillary line. The direction of the deviation of the nose and the chin are irrelevant factors to determine the occlusal plane. An inclination of the occlusal plane can cause vertical discrepancy, which could subsequently create malocclusion. A complete dentofacial analysis can aim at assessing the angulation of the occlusal plane not only for esthetic outcomes, but for also allowing correct occlusal function.

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Section: Discussionsupporting

confidence: 91%

Layperson's preference of the transverse occlusal plane in asymmetric facial model

Silva

Tortora

Stanley

et al. 2019

J Esthet Restor Dent

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“…Окклюзионная плоскость по отношению к франкфуртской горизонтали (Or-Po), проходящей от нижнего края орбиты до верхнего края наружного слухового прохода, располагается под углом 5,59±5,23˚. Ориентация окклюзионной плоскости устанавливается с учётом угла окклюзионной плоскости, который образуется франкфуртской горизонталью (Or-Po) и касательной, проходящей через бугорки нижних премоляров к выемкам между щёчными бугорками нижних вторых моляров [6]. В норме величина угла окклюзионной плоскости находится в пределах 8±4°.…”

Section: Abstract: Frankfurt Plane Occlusal Plane Physiological Occlusion Teleradiography Of the Head Types Of Jaw Growthunclassified

Peculiarities of the orientation of the occlusion plane in people with different types of the gnatic part of the face

Mazharov¹,

Korobkeev²,

Domenyuk³

et al. 2021

Medical news of the North Caucasus

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государственный медицинский университет, Российская Федерация 3 кубанский государственный медицинский университет, краснодар, Российская Федерация peculiariTies of The orienTaTion of The occlusion plane in people WiTh differenT TYpes of The gnaTic parT of The face mazharov V. n. 1 , Korobkeev a. a. 1 , domenyuk d. a. 1 , shkarin V. V. 2 , dmitrienko s. V. 2 , Korobkeevа Ya. a. 1 , uzdenov r. Kh. 2 , T. s. Kochkonyan 3 1 stavropol state medical university, russian federation 2 Volgograd state medical university, russian federation 3 Kuban state medical university, Krasnodar, russian federation

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“…Of these, we have already discussed nose length. As for the inclination of the occlusal plane and the vertical position of the maxillary arch, these parameters are usually regarded as important determinants of smile esthetics [31][32][33]. Unfortunately, no studies are available on how they influence the esthetic perception of the facial profile.…”

Section: Discussionmentioning

confidence: 99%

Patterns of Facial Profile Preference in a Large Sample of Dental Students: A Cross-Sectional Study

Romsics

Segatto²,

Boa

et al. 2021

IJERPH

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The objective of this study was to explore dental students’ facial profile preferences in a large sample of students. Nine hundred and nineteen dental students of four dental schools were involved. As part of a larger study on dentofacial esthetics, six photo series consisting of one unaltered and four altered variants of the same female profile were distributed among the students. The altered features were ones that are esthetically significant according to the literature. The students had to indicate the photo in each series that they preferred. The data were analyzed in a regression model in which preference in the given photo series was the dependent variable and gender, grade of studies, and dental school were the factors. Eight hundred and sixty-one students (93.7%) responded. Gender and dental school were not associated with the observed preferences, but the grade of studies was associated for three of the modified parameters: chin prominence, the sagittal position of the maxillary dental arch, and the simultaneous modification of the prominence of the chin and the nose. This study has confirmed several earlier observations, and new observations have also been made. We have demonstrated that the anteroposterior position of the maxillary incisors may be an important determinant of profile esthetics, even if this position does not influence the situation of the soft tissues and if the forehead cannot be used as a reference. We have also shown that the harmony between the nose and the chin overrides the importance of their individual dimensions.

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Influence of occlusal plane inclination and mandibular deviation on esthetics

Cited by 9 publications

References 18 publications

Layperson's preference of the transverse occlusal plane in asymmetric facial model

Layperson's preference of the transverse occlusal plane in asymmetric facial model

Peculiarities of the orientation of the occlusion plane in people with different types of the gnatic part of the face

Patterns of Facial Profile Preference in a Large Sample of Dental Students: A Cross-Sectional Study

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