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Load-Extension-Time Behavior of Orthodontic Alastiks

Northwestern University Dental School, 311 E Chicago Ave, Chicago, Illinois 60611, USA

E.P. Lautenschlager

Northwestern University Dental School, 311 E Chicago Ave, Chicago, Illinois 60611, USA

D.A. Apfel

Northwestern University Dental School, 311 E Chicago Ave, Chicago, Illinois 60611, USA

J.C. Keller

Northwestern University Dental School, 311 E Chicago Ave, Chicago, Illinois 60611, USA

The load-extension curves of Alastiks were found to be sensitive to both the degree and rate of extension. When halting at a constant extension, the exponential load decay was also dependent on the initial deformation rate. The results suggest that clinically these modules should be stretched slowly to position.

REFERENCES

• Unitek Corporation Manufacturer'S Bulletin: Alastik Orthodontic Force Modules, Monrovia, Calif: Unitek Corp., 1972, pp 1-13.
• Andreasen, G.F., and Bishara, S.E.: Comparison of Alastik Chains with Elastics Involved with Intra-Arch Molar to Molar Forces, Angle Orthod 40: 151-158, 1970.
• Andreasen, G.F., and Bishara, S.E.: Comparison of Time Related Forces Between Plastic Alastiks and Latex Elastics, Angle Orthod 40: 319-328, 1970.[Medline] [Order article via Infotrieve]
• Ware, A.L.: Some Properties of Plastic Modules Used for Tooth Movement, Aust Orthod J 2: 200-202, 1971.[Medline] [Order article via Infotrieve]
• Lautenschlager, E.P.; Miyamoto, P.; and Hilton, R.: Elastic Recovery of Polysulfide Base Impressions, J Dent Res 51:773-779, 1972.[Abstract/Free Full Text]

Journal of Dental Research, Vol. 55, No. 5, 783-786 (1976)
DOI: 10.1177/00220345760550051201


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This Article Abstract Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Add to Saved Citations Download to citation manager Request Permissions Request Reprints Add to My Marked Citations Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Citing Articles via Scopus Google Scholar Articles by Kovatch, J.S. Articles by Keller, J.C. Search for Related Content PubMed PubMed Citation Articles by Kovatch, J.S. Articles by Keller, J.C. Social Bookmarking                         What's this?