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Biomedical subjects

J E Holt

Publications and source records attributed to J E Holt.

46 records · Page 3Linked to original sources

Research on remounting procedures.

This study has indicated that numerous benefits accrue from remounting dentures to correct occlusion and recontouring the tissue side of the bases at the time of insertion. This appears to be due to the changes in contour of the denture bases after the stone casts have been removed from them and indicates that a significant change in the occlusal relationship occurs during the deflasking procedure. Since adjustments and postinsertion complaints were materially decreased by early remounting and alteration, patients should benefit from such procedures by receiving restorations that may decrease the rate of bone resorption, be more comfortable, and tend to be effective for a longer period of time. The dentist should consequently be more satisfied knowing that he has done everything possible to provide quality dentistry to his patients.

Dental Articulators↗

Late recurrence of a frontal sinus cholesteatoma.

The longest recorded recurrence of a frontal sinus cholesteatoma with involvement of the orbit, frontal bone, and floor of the anterior cranial fossa is presented. Radical surgery is required and often craniotomy is necessary. Bony reconstruction of defects should not be undertaken until recurrence has not been present for at least a year. A review of the literature and a discussion of the origin of cholesteatomas is given.

Adult↗

Dacryocystorhinostomy utilizing an anterior lacrimal sac flap to periosteum technique.

Dacryocystorhinostomy is used in the effective treatment of epiphora secondary to obstruction of the lacrimal drainage system. Common causes of obstruction include canalicular disruption, lacrimal sac fibrosis, and external and internal nasal trauma. Most techniques of dacryocystorhinostomy attempt to suture the lacrimal sac mucosa to the nasal mucosa. At best this is technically difficult, and the mucosa frequently tears. A technique is presented using an anteriorly based lacrimal sac pedicle flap sutured to the periosteum of the anterior lacrimal crest. The sutured flap is quite strong, and the procedure is technically simpler than others. A brief description of the causes of lacrimal obstruction is given. The Jones primary and secondary dye tests for lacrimal system patency are reviewed.

Humans↗