Biomedical subjects
R Chuong
Publications and source records attributed to R Chuong.
Bilateral pseudogout of the temporomandibular joint: report of case and review of literature.
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Osteonecrosis of the mandibular condyle. Pathophysiology and core decompression.
Deviations of the condylar form are usually ascribed to "degenerative arthritis" or "osteoarthritis." More recently, osteonecrosis has been discussed as a possible cause of condylar degeneration and pain. This article presents a review of the literature on osteonecrosis, emphasizing the spectrum of degenerative osseous disease, which includes osteoarthrosis, condylsis, osteomyelitis, and osteonecrosis. Preliminary results of mandibular core decompression with and without bone grafting are presented suggesting a therapeutic benefit. Further study is recommended to elucidate this process.
Disk displacement with condylar fractures.
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Management of mandibular condyle penetration into the middle cranial fossa: case report.
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Further comments on pediatric internal derangement.
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Avascular necrosis of the mandibular condyle-pathogenesis and concepts of management.
A vascular necrosis is a well-recognized pathologic entity in orthopedic surgery which most commonly affects the femoral head. Avascular necrosis of the mandibular condyle has been recognized recently, although controversy exists as to the appropriate methods of diagnosis and treatment. We present a discussion of the pathogenesis of avascular necrosis derived from the orthopedic literature and its extrapolation to management of the temporomandibular joint in the form of decompression corticotomy of the condyle by two techniques.
Recurrent giant cell reaction to residual Proplast in the temporomandibular joint.
Exuberant foreign-body inflammatory reaction to polytetrafluoroethylene implants of the temporomandibular joint, marketed as Proplast-Teflon implants, has been widely recognized. Presently, removal of these implants is generally advised. Extensive damage of the joint and surrounding structures has been reported, including severe bony degeneration, perforation into the middle cranial fossa, and cerebrospinal fluid leak. However, recurrent foreign-body giant cell reaction, presumably as a result of residual Proplast material, has not been reported. We review our experience with Proplast-Teflon implant removal from 112 joints in 71 patients over a 6-year period, including four joints with recurrent giant cell reaction at various times after removal. Emphasis is placed on the phenomenon of recurrence and on microsurgical techniques to facilitate implant removal.
Pneumomediastinum and subcutaneous emphysema associated with temporomandibular joint surgery.
Pneumomediastinum may occur as a result of trauma or surgery of the head and neck. It has been reported in association with various dental procedures and with a variety of maxillofacial surgical procedures. However, this potentially life-threatening problem has not previously been reported in association with temporomandibular joint surgery. This report reviews two cases of pneumomediastinum and subcutaneous emphysema occurring in association with temporomandibular joint surgery and presents an overview of the dental and medical literature concerning this phenomenon occurring in association with injuries and treatment of the maxillofacial complex.
Cerebrospinal fluid leak associated with proplast implant removal from the temporomandibular joint.
Severe bone erosion within the temporomandibular joint reconstructed with polytetrafluoroethylene implants is a well-recognized phenomenon. Although erosion into the middle cranial fossa has been reported, we know of no report of dural disruption with cerebrospinal fluid leakage. We report a case of cerebrospinal fluid leak noted at the time of PTFE implant removal and its subsequent management. Perforation of the contralateral glenoid fossa and its reconstruction is also reported.
Temporomandibular joint dysfunction syndrome: a close association with systemic joint laxity (the hypermobile joint syndrome)
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Use of absorbable sutures for facial skin wounds.
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Postoperative variant of malignant hyperthermia: report of a case.
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Sinus bradycardia related to temporomandibular joint surgery.
The carotid artery lies in close relationship to the temporomandibular joint (TMJ). Manipulation of the mandible during TMJ surgery has been observed in several cases to be directly associated with the development of sinus bradycardia as the joint is distracted during arthrotomy and arthroplasty procedures. We report several cases and discuss differential diagnosis of sinus bradycardia associated with positional changes of the TMJ. This report emphasizes the importance to the surgeon and to the anesthesiologist of recognition of this cardiac phenomenon, mediated through the trigeminovagal reflex, to appropriately manage the patients during TMJ surgery.
Update on the surgical management of temporomandibular joint disorders-1991.
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Update on oral and maxillofacial surgery.
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