Abstract

The influence of pins on the compression and tensile strength of a composite resin was measured.

Compression strength was measured in cylindrical samples 8 mm long and 4 mm in diameter, using different size threaded stainless steel pins. The tensile strength was determined by compression along the diameter of cylindrical samples containing different sizes and orientations of threaded stainless steel pins.

The conventional dumbbell tensile strength was measured by pulling the mounted specimens in the direction of their long axis, using non-threaded pins.

These tests demonstrated that the compressive strength of the composite was increased 10 percent when the large size diameter threaded pin was used. The diametral compression showed no significant increase or decrease of the tensile strength, while the conventional dumbbell test demonstrated an increase of 40 percent in tensile strength in the samples containing the non-threaded pins.

Department

Dentistry

School

Graduate School

First Advisor

Lloyd Baum

Second Advisor

Robert A. James

Third Advisor

William R. Rothgeb

Fourth Advisor

Jack L. Tomlinson

Degree Name

Master of Science (MS)

Degree Level

M.S.

Year Degree Awarded

1972

Date (Title Page)

6-1972

Language

English

Library of Congress/MESH Subject Headings

Dental Pins

Type

Thesis

Page Count

viii; 45

Digital Format

PDF

Digital Publisher

Loma Linda University Libraries

Usage Rights

This title appears here courtesy of the author, who has granted Loma Linda University a limited, non-exclusive right to make this publication available to the public. The author retains all other copyrights.

Collection

Loma Linda University Electronic Theses and Dissertations

Collection Website

http://scholarsrepository.llu.edu/etd/

Repository

Loma Linda University. Del E. Webb Memorial Library. University Archives

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