Indian Journal of Dental ResearchIndian Journal of Dental ResearchIndian Journal of Dental Research
Indian Journal of Dental Research   Login   |  Users online: 616

Home Bookmark this page Print this page Email this page Small font sizeDefault font size Increase font size         


ORIGINAL RESEARCH Table of Contents   
Year : 2012  |  Volume : 23  |  Issue : 1  |  Page : 11-14
Evaluation of flexural bond strength of porcelain to used nickel-chromium alloy in various percentages

1 Department of Prosthodontics, Sinhgad Dental College and Hospital, Pune, Maharashtra, India
2 Department of Prosthodontics, Sri Ramachandra Dental College and Hospital, Chennai, India
3 Department of Prosthodontics, Noorul-Islam College of Dental Sciences, Kerala, India

Correspondence Address:
VNV Madhav
Department of Prosthodontics, Sinhgad Dental College and Hospital, Pune, Maharashtra
Login to access the Email id

Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9290.99030

Rights and Permissions

Aim: The aim of this in vitro study was to evaluate the flexural bond strength of porcelain to combinations of used and new nickel-chromium alloy in various proportions. Materials and Methods: Used and new nickel-chromium bonding alloys were combined in various proportions (groups I to V; 10 samples per group) and their flexural bond strengths with porcelain were compared. A three-point loading system was used for the application of load. Load was applied at a constant speed of 0.5 mm/minute and the load required to fracture the porcelain was recorded for each specimen. Statistical Analysis Used: (a) Analysis of variance (ANOVA) and (b) Duncan's multiple range tests. Results: The best bond strength values were seen when 100% new alloy was used. According to the findings of this study, there was no adverse effects noted with up to 75% recast metal, but serious changes were found in the bond strength values when 100% old metal was used. Conclusions: The following conclusions were drawn from the study
  1. Fresh nickel-chromium alloy shows the greatest porcelain adherence.
  2. There is no significant change in bond strength of ceramic to alloy with up to 75% of used nickel-chromium alloy.
  3. At least 25%- of new alloy should be added when recycled nickel-chromium alloy is being used for metal ceramic restorations.

Print this article     Email this article

 Similar in PUBMED
   Search Pubmed for
   Search in Google Scholar for
 Related articles
  Citation Manager
 Access Statistics
  Reader Comments
  Email Alert *
  Add to My List *

 Article Access Statistics
    PDF Downloaded171    
    Comments [Add]    
    Cited by others 2    

Recommend this journal