ArticleJournal of International Society of Preventive & Community Dentistry
Effect of anodization and alkali-heat treatment on the bioactivity of titanium implant material (an in vitro study).
Article in Journal of International Society of Preventive & Community Dentistry. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 14 citations in OpenAlex.
- Interfacial adhesion and surface bioactivity of anodized titanium modified with SiON and SiONP surface coatings.Surfaces and interfaces · 2022Article
- Anatase Forming Treatment without Surface Morphological Alteration of Dental Implant.Materials (Basel, Switzerland) · 2020Article
- Improvements on biological and antimicrobial properties of titanium modified by AgNPs-loaded chitosan-heparin polyelectrolyte multilayers.Journal of materials science. Materials in medicine · 2019Article
- Evaluation of the Surrounding Ring of Two Different Extra-Short Implant Designs in Crestal Bone Maintanence: A Histologic Study in Dogs.Materials (Basel, Switzerland) · 2018Article
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3 authors at 2 institutions in 2 countries.
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Abstract
objectiveThis study was aimed to assess the effect of anodized and alkali-heat surface treatment on the bioactivity of titanium alloy (Ti-6Al-4V) after immersion in Hank's solution for 7 days. MATERIALS AND
methodsFifteen titanium alloy samples were used in this study. The samples were divided into three groups (five for each), five samples were anodized in 1M H3PO4 at constant voltage value of 20 v and another five samples were alkali-treated in 5 M NaOH solution for 25 min at temperature 60°C followed by heat treatment at 600°C for 1 h. All samples were then immersed in Hank's solution for 7 days to assess the effect of surface modifications on the bioactivity of titanium alloy. The different treated surfaces and control one were characterized by X-ray diffraction, atomic force microscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, and Fourier transformation infra-red spectroscopy. Statistical analysis was performed with PASW Statistics 18.0(®) (Predictive Analytics Software).
resultsAnodization of Ti-alloy samples (Group B) led to the formation of bioactive titanium oxide anatase phase and PO4 (3-) group on the surface. The alkali-heat treatment of titanium alloy samples (Group C) leads to the formation of bioactive titania hydrogel and supplied sodium ions. The reaction between the Ti sample and NaOH alkaline solution resulted in the formation of a layer of amorphous sodium titania on the Ti surface, and this layer can induce apatite deposition.
conclusionsThe surface roughness and surface chemistry had an excellent ability to induce bioactivity of titanium alloy. The anodization in H3PO4 produced anatase titanium oxide on the surface with phosphate originated from electrolytes changed the surface topography and allowed formation of calcium-phosphate.
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