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Biomedical subjects

E J Messer

Publications and source records attributed to E J Messer.

At least 19 recordsLinked to original sources

Evolution of powered surgical instruments.

The history of powered surgical instruments has paralleled their need in surgery, particularly surgery involving hard tissue like bone or teeth. This development was of great importance, as the sophistication of procedures became more demanding, requiring the use of implants. The fields of neurosurgery, orthopaedics, otology, and dentistry have all played key roles in the development of the high-powered surgical instruments that are now used in every surgical and dental subspecialty. Power modalities that include pneumatic and electric sources along with the development of interchangeable accessories have revolutionized the surgical field, making procedures both safer and faster. Many physicians, dentists, and companies continue to contribute to this exciting and rapidly evolving industry.

Electricity↗

A simplified technique of inferior border wiring in the sagittal split osteotomy.

The inferior border wire, as originally described by Booth, is a well-accepted means of fixation of the proximal and distal segments in the sagittal split osteotomy. However, it appears that there is some criticism of the technique because of the difficulty in placing drill holes at the appropriate position and angulation and subsequent difficulty with passage of a fixation wire. The technique presented here eliminates the technical difficulties and provides for a rapid, safe, and stable fixation.

Bone Wires↗

Internal derangement of the temporomandibular joint: detection by single-photon emission computed tomography. Work in progress.

The diagnostic accuracy of both planar and single-photon emission computed tomography (SPECT) bone scintigraphy, radionuclide angiography, arthrography, and conventional radiography was evaluated in 36 patients with temporomandibular joint (TMJ) dysfunction undergoing preoperative testing. The sensitivity of SPECT bone scintigraphy (0.94) was comparable with arthrography (0.96) and significantly better than planar bone scintigraphy (0.76), radionuclide angiography (0.35), and transcranial lateral radiographs (0.04). While data for a larger asymptomatic control population are needed, preliminary results give SPECT a diagnostic specificity of 0.70 for internal derangements of the TMJ requiring surgical correction. It is concluded that SPECT bone scintigraphy is a useful noninvasive imaging test to screen for internal derangement of the TMJ.

Adolescent↗

A rational approach to the mandibular parasymphyseal fracture.

Facial scarring is avoided when a transoral degloving approach is used for treatment of parasymphyseal fractures. Complete visualization of the fracture line before and after the reduction is an added advantage of this safe, rapid, and technically easy approach. In patients with both parasymphyseal and condylar fractures, Risdon wires can also be used.

Fracture Fixation, Internal↗

The use of intraoral dexamethasone after extraction of mandibular third molars.

All oral surgeions have encountered problems associated with edema, trismus, and pain after intraoral procedures. In third-molar surgery, pain and trismus are often directly proportional to edema. Therefore, in the patient with minimal edema, pain and trismus should be proportionally reduced. Parenteral use of the corticosteroid dexamethasone, given as a transoral injection at the time of operation, appears to be effective in the prevention of postoperative edema.

Dexamethasone↗

Complex odontoma of the maxillary sinus: report of case.

During a screening examination for orthodontic evaluation and for possible partial anodontia, a large radiopaque mass was found in the right maxillary sinus of a 12-year-old boy. Further radiographic views were used to locate and establish a working diagnosis. The mass was removed with use of a standard Caldwell-Luc approach. It was diagnosed histologically as a complex odontoma.

Anodontia↗