Changes in the temporomandibular joint after oblique sliding osteotomy of the mandibular rami

Sund, G; Eckerdal, O; Åstrand, Per

doi:10.1016/s0301-0503(83)80021-6

Cited by 38 publications

(3 citation statements)

References 6 publications

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“…Several studies point to mandibular advancement surgery as a potential factor in bringing about TMJ changes, especially in condylar position and shape 4,46,63,64,97,126,138,139 . A successful functional outcome depends on the final TMJ position and the patient's health, including the remission of preexisting TMD.…”

Section: Discussionmentioning

confidence: 99%

TMJ response to mandibular advancement surgery: an overview of risk factors

Valladares‐Neto

Cevidanes

Rocha³

et al. 2014

J. Appl. Oral Sci.

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ObjectiveIn order to understand the conflicting information on temporomandibular joint (TMJ) pathophysiologic responses after mandibular advancement surgery, an overview of the literature was proposed with a focus on certain risk factors. MethodsA literature search was carried out in the Cochrane, PubMed, Scopus and Web of Science databases in the period from January 1980 through March 2013. Various combinations of keywords related to TMJ changes [disc displacement, arthralgia, condylar resorption (CR)] and aspects of surgical intervention (fixation technique, amount of advancement) were used. A hand search of these papers was also carried out to identify additional articles. ResultsA total of 148 articles were considered for this overview and, although methodological troubles were common, this review identified relevant findings which the practitioner can take into consideration during treatment planning: 1- Surgery was unable to influence TMJ with preexisting displaced disc and crepitus; 2- Clicking and arthralgia were not predictable after surgery, although there was greater likelihood of improvement rather than deterioration; 3- The amount of mandibular advancement and counterclockwise rotation, and the rigidity of the fixation technique seemed to influence TMJ position and health; 4- The risk of CR increased, especially in identified high-risk cases. ConclusionsYoung adult females with mandibular retrognathism and increased mandibular plane angle are susceptible to painful TMJ, and are subject to less improvement after surgery and prone to CR. Furthermore, thorough evidenced-based studies are required to understand the response of the TMJ after mandibular advancement surgery.

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Section: Discussionmentioning

confidence: 99%

TMJ response to mandibular advancement surgery: an overview of risk factors

Valladares‐Neto

Cevidanes

Rocha³

et al. 2014

J. Appl. Oral Sci.

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“…This study compared the effect of two osteotomy techniques of the mandibular The severity of this phenomenon is greater in subcondylar vertical osteotomies in comparison to sagittal split osteotomies [11].…”

Section: Discussionmentioning

confidence: 99%

Changes of Transverse Mandibular Width in Set-Back Mandibular Surgery: Sagittal Split versus Intraoral Verticosagittal Osteotomy

Razmara¹,

Mahmoodhashemi²,

Zahraei³

et al. 2018

IJCM

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Aim: This study was performed to evaluate the movement of the proximal segment following different methods of ramus osteotomy that is one of the side effects of orthognathic surgery. Theoretically, with intraoral verticosagittal ramus osteotomy, it can minimize the movement of the proximal segment. The changes in the intergonal distance of mandible and the angle of the ramus flaring in two methods of osteotomy have been compared in this study. Materials and Methods: In this randomized clinical trial, included 60 patients (32 males) with mandibular prognathism and without any asymmetry were selected and divided into two groups (n = 30). One group underwent bilateral sagittal split ramus osteotomy technique to achieve mandibular setback and the other by the intraoral verticosagittal ramus osteotomy technique. Intergonial width and inner-ramal angle in the transverse plane were measured on radiographs preoperatively and 1 and 12 weeks postoperatively. Data were analyzed using covariance test with the significance level set at P < 0.05. Results: Changes of intergonial width and inter-ramal angle was significant in both the 1 and 12-week radiographies taken post-operative in both groups. But no statistically significant difference was observed in the intergonial width and ramus flaring at the mentioned time points between the two groups (P > 0.1). Conclusion: Considering our findings, there was no significant difference between two ramus osteotomy techniques regarding changes in mandibular width and inter-ramal flaring angle.

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“…Radiographically there is an anterior downward and forward movement of the condyle after ramus osteotomy. However, there is a tendency to return to its preoperative position [61][62][63]. Double contouring of the condyle after 6 months was reported which is attributed to condylar remodeling [64].…”

Section: Tmj Considerationsmentioning

confidence: 99%

Orthognathic Surgery for Mandible

Mani

2021

Oral and Maxillofacial Surgery for the Clinician

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Mandible, a horseshoe shaped bone of the facial skeleton, is one of the sturdy bones in humans. Prominent chin is a unique feature of anatomically modern man in comparison with his anthropological ancestors. The simian shelf has reduced to two genial tubercles to which two muscles are attached. The neck of the condyle has narrowed and acts as a buffer to budge by fracture if there is a severe force on the prominent chin. These evolutionary changes facilitated increased space for the tongue as men started articulation. It articulates with the temporal bone by two inter-dependent Temporo-mandibular joints. Mandible is important in both function and aesthetics.Mandible can be cut into multiple pieces and re-arranged and fixed to achieve aesthetic and functional changes. Facial bones have a tremendous capacity to regenerate and heal provided proper blood supply is ensured to the cut segments. Ostoetomies of the mandible can be done on ramus, body, chin, dento-alveolar region, inferior border, etc. Most of these procedures are done intraorally. Technological advancements have aided orthognathic surgery at large. This chapter envisages to elaborate different techniques of osteotomy of mandible.

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Changes in the temporomandibular joint after oblique sliding osteotomy of the mandibular rami

Cited by 38 publications

References 6 publications

TMJ response to mandibular advancement surgery: an overview of risk factors

TMJ response to mandibular advancement surgery: an overview of risk factors

Changes of Transverse Mandibular Width in Set-Back Mandibular Surgery: Sagittal Split versus Intraoral Verticosagittal Osteotomy

Orthognathic Surgery for Mandible

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