The effects of orthognathic surgery on mandibular range of motion

Aragon, Steven B.; Sickels, Joseph E. Van; Dolwick, M. Franklin; Flanary, Carolyn M.

doi:10.1016/0278-2391(85)90006-0

Cited by 84 publications

(22 citation statements)

References 15 publications

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“…Aragon et al 91 reported that protrusive movement and lateral excursion of the mandible did not recover to the preoperative levels after a sagittal split osteotomy was performed to advance the mandible. Boyd et al 92 These studies suggested that changing the condylar position could improve TMJ function after IVRO.…”

Section: Post-operative Chewing Path and Condylar Pathmentioning

confidence: 99%

A hypothesis on the desired postoperative position of the condyle in orthognathic surgery: a review

Ueki

Moroi

Sotobori

et al. 2012

Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology

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Section: Post-operative Chewing Path and Condylar Pathmentioning

confidence: 99%

A hypothesis on the desired postoperative position of the condyle in orthognathic surgery: a review

Ueki

Moroi

Sotobori

et al. 2012

Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology

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“…Several studies have examined the opening and closing movements 1,3 and the chewing rhythm and path 24,25 . However, there was no report regarding the lip closing force in adult patients with jaw deformity who should undergo orthognathic surgery.…”

Section: Introductionmentioning

confidence: 99%

Changes in the lip closing force of patients with Class III malocclusion before and after orthognathic surgery

Ueki

Mukozawa

Okabe

et al. 2012

International Journal of Oral and Maxillofacial Surgery

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The purpose of this study was to examine the changes in lip pressure before and after orthognathic surgery for skeletal Class III patients.The subject groups were 32 female and 31 male patients diagnosed with mandibular prognathism and/or maxillary retrognathism who underwent orthognathic surgery. The maximum lip closing force in men was significantly larger than that in women in both the preoperative Class III group (p=0.0330) and control group (p=0.0097).Preoperative Class III group was significantly smaller than the control group in the maximum lip closing force in both men (p<0.0001) and women (p<0.0001).Postoperative maximum lip closing force was significantly larger than the preoperative value in both men (p=0.0037) and women (p=0.0273) in the Class III group. This study suggested that the maximum lip closing force increases after orthognathic surgery in Class III patients.3

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“…8 Previous studies indicate that intrinsic differences exist between SSRO and IVRO patients when dental fixation is used without physiotherapy, with IVRO patients recovering a larger percentage of their preoperative MMO. 3,4 It was considered that the difference in the recovery of MMO between the SSRO and IVRO groups depended on the period of MMF after surgery. In this study, there were no significant differences in the recovery of MMO not only between the SSRO and IVRO groups, but also between the SSRO with Le Fort I osteotomy group and the IVRO with Le Fort I osteotomy group.…”

Section: Discussionmentioning

confidence: 99%

“…Several investigators have reported alterations in mandibular mobility following orthognathic surgery. [1][2][3][4][5][6][7][8] This can occur to a greater or lesser extent following mandibular and maxillary surgery. 4,6 Methods including intra-operative fixation of bony segments, postoperative intermaxillary fixation, and myotomy of the suprahyoid musculature may influence the degree of hypomobility.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8] This can occur to a greater or lesser extent following mandibular and maxillary surgery. 4,6 Methods including intra-operative fixation of bony segments, postoperative intermaxillary fixation, and myotomy of the suprahyoid musculature may influence the degree of hypomobility. 6,9,10 In a previous study, the use of bone screw fixation was attributed to an improvement in a range of movements to achieve early jaw mobilization, which avoided the deleterious effects of immobilization on the masticatory musculature and associated connective tissue.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Assessment of the Relationship Between the Recovery of Maximum Mandibular Opening and the Maxillomandibular Fixation Period After Orthognathic Surgery

Ueki

Marukawa

Hashiba

et al. 2008

Journal of Oral and Maxillofacial Surgery

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2 AbstractPurpose: The purpose of this study was to evaluate the differences in the recovery of maximum mandibular opening (MMO), and the relationship between MMO and the maxillomandibular fixation (MMF) period after sagittal split ramus osteotomy (SSRO) and intraoral vertical ramus osteotomy (IVRO), with and without Le Fort I osteotomy. Subjects and Methods:Sixty-eight patients with diagnosed mandibular prognathism with or without asymmetry were divided into four groups (SSRO, IVRO, SSRO with Le Fort I osteotomy, and IVRO with Le Fort I osteotomy). MMO and the MMF period were measured preoperatively and at 1-, 3-, 6-, 12-, and 18-months after surgery. The differences among surgical procedures and the relationship between MMO and the MMF period were examined statistically. Results:In relation to time-dependent changes in MMO, there were no significant differences among the groups. There were significant positive correlations between MMO and the MMF period from 1 month to 6 months after surgery. However, there were no significant correlations at 12-and 18-months after surgery. Conclusion:This study suggests that there were no significant differences between single-jaw surgery and double-jaw surgery in terms of postoperative time-dependent changes in the recovery of MMO. However, the MMF period was associated with the recovery of MMO.3

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The effects of orthognathic surgery on mandibular range of motion

Cited by 84 publications

References 15 publications

A hypothesis on the desired postoperative position of the condyle in orthognathic surgery: a review

A hypothesis on the desired postoperative position of the condyle in orthognathic surgery: a review

Changes in the lip closing force of patients with Class III malocclusion before and after orthognathic surgery

Assessment of the Relationship Between the Recovery of Maximum Mandibular Opening and the Maxillomandibular Fixation Period After Orthognathic Surgery

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