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Biomedical subjects

J S Brudvik

Publications and source records attributed to J S Brudvik.

At least 37 records · Page 2Linked to original sources
PubMed1981

Adult palatal expansion prostheses.

The technical steps in the construction of two types of adult palatal expanders have been described. These prostheses are complex and require a special level of coordination between the professional team and the dental laboratory. The teamwork involved in the restoration of major maxillary defects contributes to the success of the prosthesis and makes the efforts involved worthwhile.

Adult↗
PubMed1981

Stress-relaxation testing. Part III: Influence of wire alloys, gauges, and lengths on clasp behavior.

Commonly used, commercially available dental wires have been evaluated and ranked through stress-relaxation testing to given the clinician a basis for determining their use as retentive clasp arms. Clinical laboratory principles relative to the use of wire clasp arms have been discussed. Clinical experience with the cobalt-chrome-nickel wire retentive clasp arms used in the infrabulge approach over the last 8 years has been rewarding. These wire clasps have been every bit as effective as the cast bar clasps and have proven to be superior in terms of adjustability and resistance to fracture. The relation of active clasp length to retention and permanent deformation is a crucial one and should be a component of every philosophy of design and construction of removable partial dentures.

Dental Alloys↗
PubMed1976

Tissue pressure under complete maxillary dentures.

This preliminary report has shown the following interesting points: (1) Measurements of tissue pressures beneath dentures are possible using the Sanborn 350 recorder. (2) Stable dentures produce high pressures on the supporting tissues and transmit these pressures from region to region, varying with how the patient uses the dentures. (3) Most often, an opposite large or negative pressure immediately followed the production of positive pressure at the same site beneath the denture. Thus, each movement actually traumatizes the tissue twice. (4) Nonmasticatory pressures produced under dentures are as great as or greater than masticatory pressures. (5) Wave forms for each biting maneuver or sound produced can be charted and are typical for each patient, probably representing denture movement. (6) Swallowing unassociated with eating or drinking produced very high positive and very low negative pressures, giving the greatest ranges of pressures recorded in this experiment. (7) Smoking (recorded in only one patient) also produced a great range of pressures. (8) Sticky foods such as cheddar cheese produced greater negative pressures than the other foods tested. (9) The one patient with natural teeth opposing his denture gave much more uniform and lower pressures than did the patients with complete dentures. (10) This method allows visualization of pressure movement under dentures. The effect of these continually occurring, nonmasticatory, induced pressure changes and pressure waves beneath the dentures may well be of greater significance than that of mastication.

Adult↗
PubMed1975

Porcelain occlusal posterior fixed partial dentures.

A method for using the functionally generated-path technique to fabricate full occlusal porcelain-fused-to-metal fixed partial dentures and crowns has been described. Proper use of this technique in carefully selected patients should eliminate occlusal adjustments and the concomitant polishing and glazing that are often necessary before the restoration can be permanently cemented.

Crowns↗
PubMed1973

Surveyed crowns.

Explore the source record for details and available documents.

Crowns↗
PubMedDate not supplied

Evaluation of eccentric occlusal contacts in complete dentures.

Three edentulous patients were evaluated using the kinesiograph and a specially designed computer program to identify the length of eccentric contacts between their dentures when masticating test foods. Three different interchangeable occlusal arrangements were constructed and tested. Results of the evaluation of more than 1,400 chewing cycles showed that while 25% of masticatory contacts were eccentric, the great majority of contacts were within a distance of 1 mm from centric occlusion. More eccentric contacts occurred in the opening phase than might be expected. Posterior tooth form did not appear to affect the range of eccentric contacts.

Aged↗