Esthetic perception of changes in facial profile resulting from orthodontic treatment with extraction of premolars

Iared, Walter; Silva, Edina Mariko Koga da; Iared, Wagner; Macedo, Cristiane R

doi:10.1016/j.adaj.2016.09.004

Cited by 50 publications

(51 citation statements)

References 18 publications

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“…These results corroborate previous studies that indicated four first premolar extraction when an important biprotrusion was present, reporting straightening and improvement of the facial profile. 9,26,43,44 Esthetics evaluation showed that straight profiles have been considered the most attractive. [45][46][47] Despite the modern esthetic trend towards a more fuller and protrusive profile, 12,13 severe biprotrusion and excessive convex profiles are considered to impair facial esthetics.…”

Section: Discussionmentioning

confidence: 99%

“…Soft tissue features have been considered a determinant factor for extraction decision. 26,29,43 Recent studies have indicated four first premolar extraction in patients with increased lip prominence, 26,29 observing a decrease of the soft tissue procumbency. 26,49,53 Premolar extraction followed by anterior retraction lead to a more pleasing profile in patients with protruded lips.…”

Section: Discussionmentioning

confidence: 99%

“…14,15 The development of orthopedic treatments, 16,17 twophase interventions, 18,19 interproximal reduction, 20,21 and concerns with temporomandibular disorders [22][23][24] also had an influence in the decrease of tooth extraction. Complexity of orthodontic mechanics, 25 prolonged treatment time, 26 space reopening 27 and an increased degree of external root resorption 28 were also previous concerns in extraction cases.…”

Section: Introductionmentioning

confidence: 99%

“…In Class I malocclusion patients, extraction treatment is frequently used in cases with dentoalveolar protrusion and moderate-to-severe crowding. 26,29 Facial esthetics, labial protrusion, overjet and overbite are also considered. 8,26,29 In the 1970s, the frequency of four first premolar extraction cases started to decrease.…”

Section: Introductionmentioning

confidence: 99%

“…26,29 Facial esthetics, labial protrusion, overjet and overbite are also considered. 8,26,29 In the 1970s, the frequency of four first premolar extraction cases started to decrease. 6,7 At 1990s, the frequency of extractions was approximately 10%.…”

Section: Introductionmentioning

confidence: 99%

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Dentoskeletal and facial features comparison between individuals treated with four first premolar extraction in the 1970s and in the new millennium

Araque¹

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Dentoskeletal and facial features comparison between individuals treated with four first premolar extraction in the 1970s and in the new millennium Comparação das características dentoesqueléticas e faciais de pacientes tratados com extração de 4 primeiros pré-molares na década de 70 e no novo milênio BAURU 2018 RODRIGO ANDRÉS NAVEDA ARAQUE Dentoskeletal and facial features comparison between individuals treated with four first premolar extraction in the 1970s and in the new millennium Comparação das características dentoesqueléticas e faciais de pacientes tratados com extração de 4 primeiros pré-molares na década de 70 e no novo milênio

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Dentoskeletal and facial features comparison between individuals treated with four first premolar extraction in the 1970s and in the new millennium

Araque¹

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Improved Facial Profile with Premolar Extraction and Molar Intrusion Using TADs and VTOs

Tai

Park

2020

Temporary Anchorage Devices in Clinical Orthodontics

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Influence of dental education on eye gaze distribution when observing facial profiles with varying degrees of lip protrusion

Fujii

Onuma

Nakamura

et al. 2020

Journal of Dental Education

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Objectives The purpose of the present study was to investigate the influence of dental education on eye gaze distribution when perceiving facial profile images with varying degrees of lip protrusion. Methods Fifty‐one subjects with dental education (dental‐education group) and 47 without dental education (no‐dental‐education group) were included in this study. The eye gaze distribution of the subjects was recorded for 10 seconds using a non‐contact eye tracker when determining whether or not the subjects judged each various facial profile image inappropriate. The facial profile images had varying degrees of upper‐lip and lower‐lip protrusion. The frequency of eye fixation (lasting >0.06 seconds) was counted. The duration was measured as the total time of eye fixation. The facial images were divided into 4 regions of interest (ROIs): the forehead (ROI‐I); the orbit and nose root (ROI‐II); the nose tip and upper lip (ROI‐III); and the lower lip and chin (ROI‐IV). The frequency and duration of eye fixation on each ROI was compared. Results The frequency of eye fixation on ROI‐II was greater in comparison to ROI‐I and ROI‐IV. The frequency of eye fixation on ROI‐III was also greater in comparison to ROI‐I and ROI‐IV. The duration of eye fixation on ROI‐III in the dental‐education group was longer in comparison to the no‐dental‐education group. Conclusions Dental education influenced the eye fixation on the nose tip and upper lip when perceiving facial profile images.

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Esthetic perception of changes in facial profile resulting from orthodontic treatment with extraction of premolars

Cited by 50 publications

References 18 publications

Dentoskeletal and facial features comparison between individuals treated with four first premolar extraction in the 1970s and in the new millennium

Dentoskeletal and facial features comparison between individuals treated with four first premolar extraction in the 1970s and in the new millennium

Improved Facial Profile with Premolar Extraction and Molar Intrusion Using TADs and VTOs

Influence of dental education on eye gaze distribution when observing facial profiles with varying degrees of lip protrusion

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