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 Table of Contents  
ORIGINAL STUDY COMPETITION
Year : 2018  |  Volume : 18  |  Issue : 5  |  Page : 12-13

OSC14: Comparative evaluation of wear resistance of stainless steel guiding sleeve with and without surface coating


Date of Web Publication31-Oct-2018

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-4052.244603

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How to cite this article:
,. OSC14: Comparative evaluation of wear resistance of stainless steel guiding sleeve with and without surface coating. J Indian Prosthodont Soc 2018;18, Suppl S1:12-3

How to cite this URL:
,. OSC14: Comparative evaluation of wear resistance of stainless steel guiding sleeve with and without surface coating. J Indian Prosthodont Soc [serial online] 2018 [cited 2018 Nov 20];18, Suppl S1:12-3. Available from: http://www.j-ips.org/text.asp?2018/18/5/12/244603



Murugesan Krishnan1, Akhila Ramachandran2, Muthukumar B

1SRM Dental College, Ramapuram, 2Prosthodontist, Chennai

Statement of Problem: A reusable guiding sleeve loses its precision due to wear abrasion caused by the implant drill bit during guided implant surgical procedure.

Purpose: To assess the amount of wear abrasion occurring on the inner surface of the guiding sleeve and also assess the wear resistance with surface coating done with hard chromium.

Materials and Methods: Tribometer was used to assess the wear abrasion. 8 samples were divided into two groups; 4 were stainless steel discs and 4 were stainless steel coated with chromium which represents the guide sleeve and 8 stainless steel pin counterparts which represents the implant drill. The tribometer was set to run at 800 rpm and 1200 rpm under the torque of 25 Ncm for 120 seconds on all the discs. The abrasion created by the tribometer was acquired using the data acquisition software. Normality tests Kolmogorov-Smirnov and Shapiro Wilks tests with P value < 0.05 was considered statistically significant.

Results: The wear abrasion which occurred on the stainless steel discs were high when compared to the wear abrasion occurring on the stainless steel coated with chromium counterparts.

Conclusion: Coating the stainless steel guide sleeve with hard chrome increased the hardness of the material, hard chrome influenced the tolerance to abrasion and wear resistance of the guide sleeves, surface alteration of the stainless steel by electroplating with hard chrome inhibited leaching of the metal into the implant site.






 

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