Results 201 to 210 of about 5,658 (252)

The development and testing of retention pins which metallurgically bond with dental amalgam

, 1973
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The strength of dental amalgam as influenced by pins

Journal of the American Dental Association, 1968
The influence of stainless steel pins on the compressive and tensile strengths of amalgam is investigated in this study.
R E, Going, J P, Moffa, G W, Nostrant, B E, Johnson   +3 more
exaly   +3 more sources

The relationship of dental cements, pins, and retention

Journal of Prosthetic Dentistry, 1974
D I. ms, which are retained by the elasticity of dentin, may traumatize the tooth into which they are placed.‘, ” Although cemented pins have a smaller potential for causing trauma, they also have a lower retentive capacity.“, 5 The authors have recently reported some inherent effects of cement type and thickness upon retention of threaded pins.” The ...
E C, Hanson, A A, Caputo, K C, Trabert
exaly   +3 more sources

Physical properties of dental amalgam containing metal pins

Journal of Prosthetic Dentistry, 1976
No type of pin inclusion investigated in this study produced consistent increases or decreases in the strength of amalgam specimens under a variety of loading conditions and specimen ages. However, comparison of relative values for specimens tested under the same conditions showed that the highest fracture loads were found more often for specimens ...
Jose Mondelli
exaly   +3 more sources

Influence of pins on the compressive and transverse strength of dental amalgam and retention of pins in amalgam

Journal of the American Dental Association, 1969
A new evaluation questions the effectiveness of stainless steel pins in amalgam restorations.
D A, Welk, W E, Dilts
exaly   +3 more sources

A qualitative study of the interface between different dental amalgams and retentive pins

Journal of Prosthetic Dentistry, 1973
Abstract The interface adaption of three different amalgams to three different retentive pins was studied. Spherical alloy and a combination of spherical and conventional alloy particles exhibited superior adaption to all three pins than either the conventional pellet form or the premeasured conventional alloy.
M A, Khowassah, G E, Denehy
exaly   +3 more sources

Polymethacrylate-coated Vitallium pins as endosteal dental implants in papio and gelada baboons

Oral Surgery, Oral Medicine, and Oral Pathology, 1968
Abstract 1. 1. A report of early clinical success with polymethacrylate-coated Vitallium pins inserted endosteally into edentulous areas of baboons in tripod or quadripod arrangements and united coronally with autopolymerizing polymethacrylate is submitted. Twelve nonanatomic endosteal implants have been placed into mandibular and maxillary areas
M, Hodosh, M, Povar, M, Mirman, G, Shklar   +3 more
exaly   +3 more sources

Seating depths of three new threaded pins inserted with a contra-angle dental handpiece

Journal of Prosthetic Dentistry, 1981
M arkley’ was the first to describe a pin-retained amalgam restoration. He used threaded wire cut to suitable lengths and cemented them into holes prepared in the dentin. The pinholes were slightly larger in diameter than the wire. Goldstein’ described a friction-locked pin, available in several precut lengths as well as long stock for custom cutting ...
M E, Schaefer, M H, Reisbick
exaly   +3 more sources

A study of the microstructure of some dental retention pins and prefabricated root canal posts

Journal of Oral Rehabilitation, 1995
summary Pins and root canal posts are generally considered indispensible aids in clinical restorative dentistry. To secure the long‐term efficiency of pins and posts, such devices should be of sufficient strength to carry the relevant loads. It is, however, essential that their properties do not decline as a consequence of corrosion, or that ...
P, Dionysopoulos, S, Skolianos, Y, Papadogiannis   +2 more
exaly   +3 more sources

Influence of Gold Plating of Stainless Steel Pins on the Tensile Strength of Dental Amalgam

Journal of Dental Research, 1971
Neither gold plating of stainless steel pins nor mercury wetting of gold-plated stainless steel pins caused an increase in tensile strength of amalgam that was significantly higher than that caused by plain stainless steel pins in amalgam.
M S, Bapna, A A, Lugassy
exaly   +3 more sources