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Biomedical subjects

B W Austin

Publications and source records attributed to B W Austin.

5 recordsLinked to original sources

Eosinophilic granuloma of the oral region: a potential diagnostic problem.

Eosinophilic granuloma is a condition which may initially present with oral symptoms. Its variable oral clinical manifestations can result in a potential diagnostic problem for the dental surgeon. Two cases are presented which illustrate the difficulties in making a definitive diagnosis. The importance of a biopsy in diagnosis and the use of a whole-body skeletal scan in formulating a treatment plan are highlighted.

Adult

Polyp of the external ear canal arising from the temporomandibular joint: a case report.

A polypoid mass of granulation tissue in the external auditory meatus was found to be arising from the ipsilateral temporomandibular joint (TMJ). The origin of the lesion was suspected clinically and was confirmed by a CT scan study. As the patient showed signs of psoriatic arthritis, it seems likely that this was the underlying pathological process in the joint. A patent foramen of Huschke allowed herniation of synovial tissue from the joint into the external auditory canal.

Diagnosis, Differential

A case of ameloblastoma presenting as an exophytic gingival lesion.

Ameloblastomas are predominantly benign, intra-osseous odontogenic tumors and mucosal involvement is a rare secondary phenomenon, occurring only after a long period of intra-osseous growth and bone expansion. A case is reported of an intra-osseous multicystic (solid) ameloblastoma which presented as an exophytic gingival lesion in the left mandibular third molar region. A classification of exophytic gingival lesions is presented and the clinical features and management of ameloblastomas discussed.

Ameloblastoma

Imaging for predictable maxillary implants.

Whereas other radiographs may be adequate for assessment of mandibular anterior implant sites, the use of computerised tomography is recommended for evaluating potential implant sites in the maxillae. A complete denture replica with appropriate radiopaque markers aids in the assessment. Hounsfield densitometric measurements provide additional information on the quality of available bone.

Dental Implantation, Endosseous