[Results of surgical treatment of pseudo-ankylosis and mixed ankylosis of temporomandibular joint (author's transl)].
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Adolescent↗
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Results for “Ankylosis”
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Rehabilitating children with temporomandibular joint ankylosis.
Although the probability of ankylosis following injury of the temporomandibular joint is small, patients, especially children with temporomandibular joint ankylosis, are greatly handicapped. Of the 42 cases of ankylosis seen in our clinic, six occurred in the adult, and 36 in children under 14 years of age. Treatment in all cases was surgical, and the results were beneficial, although the greatest difficulty in the treatment had been the early recurrence of ankylosis. Based on our experience, osteoarthrotomy for temporomandibular joint ankylosis in children has been advocated.
Adolescent↗
Indication and appreciation of operative procedures for mandibular ankylosis.
Mandibular ankylosis may be of various etiology. A number of operative procdures have been presented and criticized, but the most appropriate procedure for ankylosis is not universally accepted. During the past decade, 17 cases of mandibular ankylosis have been treated surgically in the Nagoya University Hospital. The etiology includes both temporomandibular ankylosis and extraarticular origin. Three different surgical procedures were used: (1) High operation, in which skin incision is made in the preauricular region. This method is applied for moderate arthrogenic cases. (2) Low operation, in which skin incision is made in the submandibular region. This is applied for severe arthrogic cases and extraarticular ossification cases. (3) Tubed pedicle skin grafting is applied for buccal contracture cases caused by noma etc. A long-term follow-up to 10 years has disclosed many interesting findings and made it possible to evaluate each operative procedure.
Adult↗
Cephalometric studies of patients with ankylosis of the temporomandibular joint following surgical treatment.
Cephalometric studies of eighteen cases of ankylosis of the temporomandibular joint, treated surgically, were undertaken. Arthroplasty tended to correct the characteristic facial deviation of patients with ankylosis and approximate the facial features of these patients to those of a normal person. These changes were found to occur in a larger percentage of the patients and to a greater magnitude 6 months postoperatively than 1 week following surgery. These findings support the concept that the mandible grows in response to functional stimulation and emphasize the importance of early surgical treatment of ankylosis of the temporomandibular joint.
Adolescent↗
Release of mandibular ankylosis due to gross tissue loss in the cheek.
Experience with mandibular ankylosis due to the loss of variable amounts of cheek tissue as a result of cancrum oris is reviewed. Where enough cheek has been lost to cause an ankylosis, replacement tissue in the form of a graft is necessary to prevent recurrence and to reconstruct the cheek. A number of methods are reviewed, including free grafts, local flaps and pedicled skin from the neck and abdomen. The best functional and cosmetic result was obtained by using a tubed pedicle of abdominal skin based on the superior epigastric artery and attached to the wrist as a carrier. This can be raised under local anaesthesia prior to the release of the ankylosis so it is available to cover the raw surfaces and to reform the cheek at the time of operation. Blind intubation was found to be feasible and desirable when compared with administering the anaesthetic through a trachesotomy. The importance of close supervision of post-operative exercises is emphasized, but was not able to be carried out under the conditions of treatment.
Ankylosis↗
Zygomatico-coronoid ankylosis secondary to heterotopic bone formation: combined treatment by surgery and radiation therapy--a case report.
Zygomatico-coronoid ankylosis is a rare, extra-articular form of ankylosis of the jaws. An unusual case is presented in which true bony zygomatico-coronoid ankylosis was produced by a mass of heterotopic bone. Surgical treatment consisted of an oblique ostectomy across the mandibular ascending ramus, with interposition of Silastic sheeting to form a pseudarthrosis. Since surgery is often the stimulus for this condition, 2000 rads were delivered to the surgical site postoperatively in order to inhibit recurrent heterotopic bone formation. The rationale and indications for this form of treatment are discussed.
Ankylosis↗
[Stapedo-vestibular ankylosis associated with osteopathy of the promontory (author's transl)].
The authors present two unusual operative findings during surgery for stapedo-vestibular ankylosis, of which no similar cases would appear to be found in the literature. The first case posed the problem of stapedo-vestibular ankylosis as a sequel of clinically latent otitis, the only manifestations of which were radiological opacity of the mastoid and an area of osteitis of the promontory, still active, in the absence of any other progressive inflammatory phenomena or sequelae. Surgery required curettage and opening of the promontory, associated with total stapedectomy and a Teflon-inter-position. The functional result was very good. The second case of typical bilateral stapedo-vestibular ankylosis suggested the possibility of "malignant" otospongiosis, or at all events, markedly progressive. Surgery led to opening of the labyrinth. After platinectomy and excision of a bony sequestrum, there remained only a large fossa with an area equivalent to 3 times that of a usual fenestra ovale. A Teflon-interposition piston was performed with a good result. These rare forms lead to discussion of:--Lobstein's disease, Paget's disease and parathyroid osteosis. Finally, the authors approach the problem of the therapeutic attitude to be adopted in the presence of such rare conditions.
Adult↗
Ankylosis of the temporomandibular joint of a child. Report of a case.
An ankylosis of the temporomandibular joint (TMJ) in early childhood may lead to growth disturbances. In the reported case, unilateral ankylosis caused asymmetry and serious difficulties in eating and breathing during sleep. The autologous costochondral junction serving as a growth center, replacing the condylar defect, was used as arthroplastic material in a patient 8 years of age. In a follow-up 6 years later the patient revealed satisfactory opening movements and good chewing function. It was noted that the operated grafted side increased in length slightly more than the other side.
Age Factors↗
Role of the meniscus in the etiology of posttraumatic temporomandibular joint ankylosis.
From an analysis of the factors that could contribute to the development of post-traumatic TMJ ankylosis, it is evident that a number of different conditions are probably operant. Based on clinical and experimental findings, however, it is suggested that of primary importance is the location of the meniscus in relation to the fracture site. It is proposed that the meniscus normally serves as a barrier to prevent fusion of the distal fragment with the glenoid fossa, and that ankylosis generally occurs if this relationship is not maintained. Based on this concept, possible modifications in the management of fractures of the condyloid process are suggested.
Age Factors↗
Congenital ankylosis of the temporomandibular joint: resultant upper airway obstruction and cor pulmonale.
Cor pulmonale and severe congestive heart failure secondary to chronic upper airway obstruction developed in a three-year-old girl with congenital ankylosis of the temporomandibular joint complicated by frequent respiratory infections. Nearly absent mouth opening, micrognathia, and mandibular retroposition with resultant glossoptosia obstructed the airway. Medical treatment followed by a tracheostomy and bilateral condylectomy relieved the obstruction allowing normal function of the temporomandibular joint. The clinical, electrocardiographic, radiologic, and hemodynamic findings returned to normal. Congenital ankylosis of the temporomandibular joint has not been previously reported as a cause of cor pulmonale secondary to upper airway obstruction.
Airway Obstruction↗
[Ankylosis in the lower limb in ankylosing spondylitis].
Synostosing ankylosis of lower limb joints was investigated radiologically and clinically in approximately 2000 patients with ankylosing spondylitis. Ankylosis was found in 8 hip joints and in 4 of the joints of the foot skeleton. Most commonly the initial picture of these diseases is that of an arthritis (sometimes specifically misinterpreted as such) years and decades before the manifestation of ankylosing spondylitis appears. The ossifying potential of the disease can apparently manifest itself early in limited areas. The radiological morphology with destruction and reconstruction is found mainly as the well known vertebral changes. Immobilization can at the most be regarded as a favourable factor in a predominantly immunological-inflammatory patho-mechanism. Additional local abnormalities of the vascular or enzymatic systems of the joints can be assumed.
Adolescent↗
Structure and formation of ankylosis in Xenopus laevis.
The structure of ankylotic teeth in Xenopus laevis was studied by light, transmission, and scanning electron microscopy as well as by microradiography in decalcified and undecalcified specimens. The mature teeth of Xenopus laevis are calcified from the crown to the base, fused to the jaw bone, and have no uncalcified area, such as a fibrous ring separating the tooth into the crown and pedicle. Microradiography shows that the mature tooth and jaw bone appear as an X-ray opaque area, except for the basal region of the dentine. This region is composed of an X-ray translucent area and an X-ray opaque thin layer on the lingual side of the translucent area. The mature tooth is composed of two differently calcified areas: (1) a highly calcified area, which makes up almost all of the tooth and contains a thin layer of the basal dentine on the lingual side, and (2) a lowly calcified basal dentine, which is fused to the jaw bone. Therefore, the lowly calcified area does not completely separate the dentine and jaw bone. Repeating banding patterns among the collagen fibrils differ among the dentine-forming area and the matrices of dentine and jaw bone. During the formation of ankylosis of the tooth germ, collagen bundles in the dentine-forming area accumulate directly on the surface of the jaw bone. Consequently, the mature teeth of Xenopus laevis fuse to the jaw bone directly without the mediation of the other structures.
Animals↗
Treatment of temporo-mandibular ankylosis with particular reference to the interposition of full-thickness skin autotransplant.
In the treatment of the temporo-mandibular ankylosis, the maintainance of separation between the temporal and mandibular raw surfaces, after osteotomy of the bony fusion, constitutes the key to the prevention of recurrence; the great potential of bone to reform is acknowledged by all those who are experienced in this problem. Analysing 168 temporo-mandibular arthoplasties in which different methods have been used in order to maintain the newly created joint space, the causes of failures have been brought out and the difficulties studied. The conclusion is reached that the best results were obtained by the interposition of autogenous full thickness skin. The surgical technique is briefly presented as well as the records regarding the cases followed-up for a period of 2 to 19 years, illustrating the anatomical and functional conservation of the new joints. The experimental investigations concerning the behaviour and fate of the buried skin autotransplants complete the clinical studies, proving the qualities and the value of full thickness skin as an interposition material in arthroplasties.
Adolescent↗
Traumatic ankylosis of the temporomandibular joint.
Traumatic injuries to the region of the temporomandibular joint (TMJ) may result in varying degrees of hypomobility of the mandible. The physical and psychological problems associated with restricted jaw opening are outlined. The different forms of ankylosis are mentioned. The rationale behind the various surgical approaches to the problem is outlined, and mention is made of current concepts in joint reconstruction. The importance of supportive adjunctive therapy in the postoperative period, is emphasized.
Adult↗
[Results after surgical therapy of temporomandibular joint ankylosis].
This paper reports the results of, and experience gained from, seventy-nine operations for ankylosis performed between 1946 and 1974 at the Berlin Clinic of Maxillofacial Surgery. In fourteen surgical operations freeze-dried dura was used as an implant, with good functional results being obtained.
Adipose Tissue↗
Zygomatico-coronoid ankylosis.
Although zygomatico-coronoid ankylosis may have been encountered by many oral surgeons, its occurrence has rarely been reported. A review of the literature has disclosed only nine reported cases. The treatment of these cases has been by coronoidectomy with either an intraoral or extraoral approach.
Adult↗
Extracapsular fibrous ankylosis of the mandible after open reduction of a zygomatic arch fracture: report of case.
A case of fibrous ankylosis of the coronoid process to either the zygomatic arch or maxilla, or both, as a complication after open reduction of a depressed zygomatic arch fracture is presented. The rationale for diagnosis and treatment is reviewed.
Adult↗
Ankylosis, facial anomalies, and pulmonary hypoplasia syndrome.
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Ankylosis↗