Effect of various surface treatments on the retention properties of titanium to implant restorative cement

There are conflicting results in the literature and divergent manufacturers’ recommendations concerning the retention properties of implant restorative cements, and they can provide inadequate retention of implants, especially short or single implants. The objective of this study was to investigate...

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Bibliographic Details
Published in:Lasers in medical science 2012-11, Vol.27 (6), p.1183-1187
Main Authors: Akin, Hakan, Guney, Umit
Format: Article
Language:English
Subjects:
Bond strength
Cement
Dental Cements
Dentistry
Lasers
Lasers, Solid-State
Medicine
Medicine & Public Health
Optical Devices
Optics
Original Article
Photonics
Quantum Optics
Radiation
Resin Cements - chemistry
Shear Strength
Surface Properties
Titanium
Transplants & implants
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Summary:There are conflicting results in the literature and divergent manufacturers’ recommendations concerning the retention properties of implant restorative cements, and they can provide inadequate retention of implants, especially short or single implants. The objective of this study was to investigate the effects of sandblasting and different types of laser irradiation on the interfacial bond between titanium and resin cement through shear testing. A total of 60 samples (10 mm in length and 12 mm in diameter) were cut from titanium rods. The samples were divided into four equal groups according to the surface treatment: control, sandblasted, Nd:YAG laser-irradiated, and Er:YAG laser-irradiated. After surface treatment, the implant restorative cements were applied to the titanium samples which were stored in distilled water at 37°C for 24 h. The samples were then subjected to shear bond strength testing using a universal testing machine with a crosshead speed of 1 mm/min. The data were analysed with the Kruskal-Wallis and Mann-Whitney U tests ( α  = 0.05). The highest mean bond strength was observed in the control group, followed by the sandblasted group. A statistically significant difference in shear bond strength was found between the sandblasted group and both the laser-irradiated groups ( p  
ISSN:0268-8921
1435-604X
DOI:10.1007/s10103-011-1026-7