Magnetic resonance imaging-verified temporomandibular joint disk displacement in relation to sagittal and vertical jaw deformities

Jung, Woo-Sun; Kim, H.; Jeon, Da-Mi; Mah, Su-Jung; Ahn, Sug-Joon

doi:10.1016/j.ijom.2013.03.012

Cited by 38 publications

(28 citation statements)

References 22 publications

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“…Therefore, it is necessary to develop a standardized diagnostic standard and classification method for TMD through systematic and well-designed research56. The following are the most mutually agreed upon opinions among scholars57585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103.…”

Section: Postoperative Complicationsmentioning

confidence: 99%

Complications associated with orthognathic surgery

Kim

2017

J Korean Assoc Oral Maxillofac Surg

118

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While most patients undergo orthognathic surgery for aesthetic purposes, aesthetic improvements are most often followed by postoperative functional complications. Therefore, patients must carefully decide whether their purpose of undergoing orthognathic surgery lies on the aesthetic side or the functional side. There is a wide variety of complications associated with orthognathic surgery. There should be a clear distinction between malpractice and complications. Complications can be resolved without any serious problems if the cause is detected early and adequate treatment provided. Oral and maxillofacial surgeons must have a full understanding of the types, causes, and treatment of complications, and should deliver this information to patients who develop these complications.

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Section: Postoperative Complicationsmentioning

confidence: 99%

Complications associated with orthognathic surgery

Kim

2017

J Korean Assoc Oral Maxillofac Surg

118

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“…[13][14][15] Therefore, we only included patients with TMJ DD to evaluate differences in dentofacial characteristics between patients with large and small CR-MI discrepancies, excluding the effect of TMJ DD on dentofacial characteristics (Table 4). No dentofacial characteristics were significantly different for the MI position between patients with large and small CR-MI discrepancies, although all the patients included in this study showed backward positioning and rotation of the ramus and mandible compared to the Korean norm (Tables 3 and 4).…”

Section: Resultsmentioning

confidence: 99%

“…This may be due to the fact that TMJ DD is associated with skeletal Class II with hyperdivergent patterns, 13,14,20 and all the patients included in this study had TMJ DD, regardless of CR-MI discrepancy. All of these findings suggest that it is not easy to discriminate between patients with large CR-MI discrepancy and those with small CR-MI discrepancy only in the MI position.…”

Section: Discussionmentioning

confidence: 95%

“…This means that patients with large CR-MI discrepancy had backward positioning and rotation of the ramus and mandible. Previous studies 13,14 have reported that patients with TMJ DD are more likely to have a specific skeletal morphology, including decreased ramus height and posterior facial height, and clockwise rotation of the ramus and mandible, indicating that DD is associated with skeletal Class II and hyperdivergent skeletal patterns. Given that all patients with large CR-MI discrepancy had TMJ DD, specific dentofacial characteristics of patients with large CR-MI discrepancy may result from altered morphologies associated with TMJ DD.…”

Section: Discussionmentioning

confidence: 96%

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Dentofacial characteristics in orthodontic patients with centric relation–maximum intercuspation discrepancy

Lim

Choi

Lee

et al. 2014

The Angle Orthodontist

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“…In addition to disharmony between the upper and lower jaws in the anteroposterior direction, problems of the width of the basal arch, deficient perimeter, and subsequent tooth crowding must be considered. Furthermore, temporomandibular joint disorders, ranging from mere disk displacement to degenerative bone changes [3, 4], are also frequently seen in these patients compared to those with other skeletal patterns. Among these problems, the axis of the mandibular incisors has not tended to attract much interest.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of a Three-Stage Method for Improving Mandibular Retrognathia with Labially Inclined Incisors Using Genioplasty, Segmental Osteotomy, and Two-Jaw Surgery

Matsushita

Yamaguchi

Koshikawa-Matsuno

et al. 2014

Case Reports in Medicine

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We have sometimes encountered difficulty in improving labially inclined teeth, particularly in patients with mandibular retrognathia, because the symphysis menti is often thin and insufficient space is available to permit sagittal rotation of the teeth without root exposure from the alveolar bone. We have previously described a three-stage method to overcome this problem, involving genioplasty for improving the retruded chin, and to construct the infrastructure for subsequent subapical segmental alveolar osteotomy, subapical segmental alveolar osteotomy itself, and, finally, two-jaw surgery. Bone augmentation with thin cortical bone at the gap created on the upper surface of the advanced genial segment was also addressed in the previous report. In the present study, to confirm the benefits of the three-stage method using objective data, cephalometric evaluation was performed in each step. In all cases, pogonion (Pog) was moved forward substantially. Net linear forward movement of Pog and net changes in SN-Pog were from 12 mm to 20 mm and from 4.8° to 7.0°, respectively. Angle of mandibular incisors and interincisal angle also improved to desirable levels. Although this method requires three separate surgeries, the approach safely improves the clinical situation and accentuates treatment efficacy.

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Magnetic resonance imaging-verified temporomandibular joint disk displacement in relation to sagittal and vertical jaw deformities

Cited by 38 publications

References 22 publications

Complications associated with orthognathic surgery

Complications associated with orthognathic surgery

Dentofacial characteristics in orthodontic patients with centric relation–maximum intercuspation discrepancy

Evaluation of a Three-Stage Method for Improving Mandibular Retrognathia with Labially Inclined Incisors Using Genioplasty, Segmental Osteotomy, and Two-Jaw Surgery

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