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The effect of calcium ion concentration on the bone response to oxidized titanium implants
Department of Biomaterials/Handicap Research, Institute for Clinical Sciences, The Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden.
Department of Biomaterials/Handicap Research, Institute for Clinical Sciences, The Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden; Institute for Clinical Dental Research, Korea University, Seoul, South Korea.
Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Department of Clinical Medicine, School of Health and Medical Sciences, Örebro University, Sweden.
Department of Physics and Astronomy, Seoul National University, Seoul, South Korea .
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2012 (English)In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 23, no 6, p. 690-697Article in journal (Refereed) Published
Abstract [en]

Aim: To investigate the effect of calcium concentration on the bone tissue response to Ca-incorporated titanium implants.

Materials and methods: Two titanium surfaces containing 4.2% and 6.6% calcium were prepared using the micro-arc oxidation process. The implants were inserted in the tibia of nine New Zealand White rabbits. After 6 weeks of healing, the bone response to the implants was quantitatively compared by biomechanical and histomorphometrical measurements.

Results: Ca 4.2% and Ca 6.6% containing implants revealed no distinctive differences in their qualitative surface chemistry; chemical bonding state of Ca in titanium oxide was mainly calcium titanates. No significant differences were observed between two implants in peak removal torque and shear strength comparisons (P>0.05). Histomorphometrical analyses presented no significant differences in bonemetal contact, bone area and newly formed bone measurements between two implants (P>0.05).

Conclusions: From biomechanical and histomorphometrical measurements, the two calcium concentrations in this study did not differ significantly with respect to their influence on the bone tissue response. This similar bone response in rabbit tibiae may be explained by the similarity of the qualitative Ca chemistry in titanium surfaces.

Place, publisher, year, edition, pages
Malden, USA: Wiley-Blackwell, 2012. Vol. 23, no 6, p. 690-697
Keywords [en]
Bone response, calcium concentration, micro-arc oxidation, shear strength, surface chemistry, titanium implant
National Category
Medical and Health Sciences Dentistry
Research subject
Medicine
Identifiers
URN: urn:nbn:se:oru:diva-23077DOI: 10.1111/j.1600-0501.2011.02177.xISI: 000303119000006PubMedID: 21443613Scopus ID: 2-s2.0-84860247757OAI: oai:DiVA.org:oru-23077DiVA, id: diva2:529717
Funder
Swedish Research Council
Note

Funding Agencies:

Ministry of Education, Science and Technology of Korea 

Hjalmar Svensson Research Foundation

Sylvans Foundation 

Available from: 2012-05-31 Created: 2012-05-31 Last updated: 2018-05-08Bibliographically approved

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Johansson, Carina B.

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