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:: Volume 25, Issue 2 (4-2013) ::
J Islam Dent Assoc Iran 2013, 25(2): 57-61 Back to browse issues page
Effects of Diamond and Carbide Burs on Dentin Bond Strengths of Self – Etch Bonding Systems
Azita Kaviani *1, Asadollah Ahmadzadeh2, Jafar Shahroie3, Zahra Ghasemi4
1- Assistant Professor, Operative Dentistry, School of Dentistry, Jundishapour University of Medical Science. Ahvaz, Iran , azita_kaviani@yahoo.com
2- Assistant Professor, Department of Prosthodonthics, School of Dentistry, Jundishapour University of Medical Science. Ahvaz, Iran
3- Dentist, Ahvaz,Iran
4- Post- graduate student of prosthodontics, Dental School, Jundi Shapur University of Medical Sciences, Ahwaz, Iran
Abstract:   (9021 Views)

  Bachground and Aim: Nowadays, with regard to the quantitative and qualitative development of dental esthetic services and qualitative advances made in tooth-colored restorations, there is a great rise of demands for use of composite resins. The aim of this study was to assess the efficiency of diamond and carbide burs on bond strength of a self-etch adhesive to dentin .

  Materials and Methods: In this in vitro experimental study sixty sound extracted human third molars were mounted in self cure acrylic resin. The teeth were randomly assigned to two groups (n=30 each). In the first group, the teeth were ground with high-speed medium grit diamond bur and in the second group the teeth were ground with high-speed carbide burs. A composite cylinder with a 3 mm diameter was bonded to each specimen with a self-etch adhesive system and the shear bond test was performed using a universal testing machine. The results were expressed in MPas and were subjected to and Tukey's test .

  Results: The mean shear bond strength in diamond and carbide burs were 17.67 MPa (SD= ±4.41) and 14.51 MPa (SD= ±5.18), respectively. There was a significant difference in dentin bond strength between two groups. (P< 0.05) .

  Conclusion: The use of different burs affect the shear bond strength of the self-etch adhesives to dentin. This adhesive performed significantly better when a diamond bur was used to prepared dentin surface .

 

 

 

Keywords: Diamond bur, carbide bur, self etch adhesive
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Type of Study: Orginal | Subject: Restorative Dentistry
References
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Kaviani A, Ahmadzadeh A, Shahroie J, Ghasemi Z. Effects of Diamond and Carbide Burs on Dentin Bond Strengths of Self – Etch Bonding Systems. J Islam Dent Assoc Iran. 2013; 25 (2) :57-61
URL: http://jidai.ir/article-1-1369-en.html


Volume 25, Issue 2 (4-2013) Back to browse issues page
Journal of Islamic Dental Association of Iran

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