Asymmetry of the lips of orthognathic surgery patients

Y, Yamashita; Nakamura, Yoshiki; Shimada, Tatsuo; Nomura, Yasuo; Hirashita, Ayao

doi:10.1016/j.ajodo.2007.10.057

Cited by 33 publications

(22 citation statements)

References 15 publications

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“…Two studies treated a combined 44 CH patients after the excessive condylar growth was determined to have ceased. 29 The cessation of condylar growth was confirmed by taking multiple SPECT images over a determined time period to compare the amount of active growth in each condyle. For all surgical options, timing and the patient's wishes are critical in determining the correct treatment plan for CH.…”

Section: Main Subjectsmentioning

confidence: 99%

Condylar hyperplasia: An updated review of the literature

2015

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Condylar hyperplasia (CH) is a rare disorder characterized by excessive bone growth that almost always presents unilaterally, resulting in facial asymmetry. Classification of the different types of CH can differ depending on the authors. Correct diagnosis is critical in determining the proper treatments and timing. This paper is a review of the recent literature on the epidemiology, etiology, diagnosis, classification, and surgical treatments of CH.

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Section: Main Subjectsmentioning

confidence: 99%

Condylar hyperplasia: An updated review of the literature

2015

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“…In some cases, the median sagittal or bipupillary line is used as a reference line. Vertical reference lines are used specifically for evaluating the midface and lower face ( Table 3 ) [ 2 15 16 17 18 ].…”

Section: Assessment Of Facial Asymmetrymentioning

confidence: 99%

“…The vertical component is analyzed by distances between lines passing through points on both sides perpendicular to the median sagittal, for which the bipupillary line is used as a horizontal reference line. Both vertical and horizontal reference lines can be used in certain cases [ 16 17 19 ].…”

Section: Assessment Of Facial Asymmetrymentioning

confidence: 99%

Analysis of Facial Asymmetry

Choi

2015

Arch Craniofac Surg

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Facial symmetry is an important component of attractiveness. However, functional symmetry is favorable to aesthetic symmetry. In addition, fluctuating asymmetry is more natural and common, even if patients find such asymmetry to be noticeable. However, fluctuating asymmetry remains difficult to define. Several studies have shown that a certain level of asymmetry could generate an unfavorable image. A natural profile is favorable to perfect mirror-image profile, and images with canting and differences less than 3°-4° and 3-4 mm, respectively, are generally not recognized as asymmetry. In this study, a questionnaire survey among 434 medical students was used to evaluate photos of Asian women. The students preferred original images over mirror images. Facial asymmetry was noticed when the canting and difference were more than 3° and 3 mm, respectively. When a certain level of asymmetry is recognizable, correcting it can help to improve social life and human relationships. Prior to any operation, the anatomical component for noticeable asymmetry should be understood, which can be divided into hard tissues and soft tissue. For diagnosis, two-and three-dimensional (3D) photogrammetry and radiometry are used, including photography, laser scanner, cephalometry, and 3D computed tomography.

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“…The evaluation of frontal facial photographs is a diagnostic tool used to evaluate soft-tissue asymmetry and lip cants. 58 It was concluded that an OP angle of 2.15-2.908 on a digital photograph is acceptable. 59 The incidence of a cant greater than 18 between the bilateral mouth corners was found to be 28.6% when the face was measured on standardized frontal facial photographs.…”

Section: Evaluation Of Occlusal Cantmentioning

confidence: 99%

“…69 Asymmetry of the lips caused by deviation of the mandible can be almost completely corrected by movement of the mentalis muscle to the midline of the facial skeleton with orthognathic treatment. 58 Orthognathic surgery, especially surgical split ramus osteotomy, is an effective treatment modality for recovery of the lip from a frontal view. [70][71][72] Orthodontic camouflage treatment.…”

Section: Oc Management: Treatment Alternativesmentioning

confidence: 99%

Occlusal Cant: Etiology, Evaluation, and Management

Şenışık¹,

Hasipek²

2014

Turkish Journal of Orthodontics

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Occlusal cant is an important factor affecting smile esthetics.The dynamic display zone includes lateral, vertical, and anteroposterior aspects, as well as the cant of the occlusal plane. Smile design and mechanotherapy must take into account an esthetic plane of occlusion. The purpose of this review is to describe occlusal cant, examine its diagnosis, and explain the treatment alternatives for this condition.

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Asymmetry of the lips of orthognathic surgery patients

Cited by 33 publications

References 15 publications

Condylar hyperplasia: An updated review of the literature

Condylar hyperplasia: An updated review of the literature

Analysis of Facial Asymmetry

Occlusal Cant: Etiology, Evaluation, and Management

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