PMID: 8595826Sep 1, 1995Paper

Stress relaxation properties of human dentin

Dental Materials : Official Publication of the Academy of Dental Materials
H G TrengroveJ A Hood

Abstract

This study compared the stress relaxation properties of moist and air-dried human dentin to determine if air drying modifies this mechanical property. Cylindrical dentin specimens, prepared from human canine and maxillary incisor teeth, were subjected to a controlled compressive stress applied at a constant strain rate to a predetermined maximum value, and the stress relaxation response recorded. Groups of moist and air-dried specimens were tested at both low and high stress. After a period of 1 wk, the incisor specimens were retested. The dentin exhibited a linear stress relaxation with the logarithm of time. Air-dried dentin consistently demonstrated a decreased stress relaxation. When subjected to a second high load, the air-dried dentin displayed significantly slower stress relaxation. Air-dried incisor dentin was found to be significantly stiffer than air-dried canine dentin. These data suggest that the stress relaxation properties of human dentin are modified by air drying and by previous exposure to a constant compressive strain.

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Citations

Jul 6, 2002·Dental Materials : Official Publication of the Academy of Dental Materials·Jeeraphat JantaratHarold H Messer
Dec 25, 2002·Dental Materials : Official Publication of the Academy of Dental Materials·Kelli L AgeeDavid H Pashley
Sep 27, 2003·Dental Materials : Official Publication of the Academy of Dental Materials·David H PashleyFranklin R Tay
Jul 27, 2001·Journal of Dentistry·J JantaratH H Messer
Mar 1, 1996·Dental Materials : Official Publication of the Academy of Dental Materials·E J SwiftS C Bayne
Apr 26, 2015·Journal of Biomechanics·Shu-Fen ChuangHsien-Chang Chang
Sep 25, 2016·Journal of Dentistry·René DaherIvo Krejci
May 24, 2003·Critical Reviews in Oral Biology and Medicine : an Official Publication of the American Association of Oral Biologists·J H KinneyG W Marshall
Jan 14, 2017·Archives of Oral Biology·C MontoyaE A Ossa
Jan 5, 2006·Journal of Biomedical Materials Research. Part a·D Arola, W Zheng
Mar 20, 1996·AIDS Research and Human Retroviruses·G FranchiniJ Tartaglia
Dec 7, 2020·Dental Materials : Official Publication of the Academy of Dental Materials·Amirhossein EmamianMohammad Tafazzoli-Shadpour

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