CC BY-NC-ND 4.0 · Eur J Dent 2015; 09(02): 224-227
DOI: 10.4103/1305-7456.156832
Original Article
Dental Investigation Society

Microshear bond strength evaluation of surface pretreated zirconia ceramics bonded to dentin

Shenbagakuttalam Anand
1   Department of Conservative Dentistry and Endodontics, Madha Dental College, Kunrathur, Chennai, India
,
Ambrose Vedamanickam Rajesh Ebenezar
1   Department of Conservative Dentistry and Endodontics, Madha Dental College, Kunrathur, Chennai, India
,
Nirupa Anand
2   Department of Prosthodontics, Rajah Muthiah Dental College and Hospital, Annamalai University, Chidambaram, India
,
Kothandaraman Rajkumar
3   Department of Conservative Dentistry and Endodontics, SRM Dental, Ramapuram, Chennai, India
,
Sekar Mahalaxmi
3   Department of Conservative Dentistry and Endodontics, SRM Dental, Ramapuram, Chennai, India
,
Narasimhan Srinivasan
4   Department of Conservative Dentistry and Endodontics, Mahatma Gandhi Post Graduate Institute of Dental Sciences, Pondicherry, India
› Author Affiliations
Further Information

Publication History

Publication Date:
04 September 2019 (online)

ABSTRACT

Objectives: To comparatively assess the micro shear bond strength (MSBS) of dentin bonded surface pre-treated zirconia ceramics. Materials and Methods: Zirconia blocks were sectioned into 50 cubical blocks. The blocks were further categorized into five groups (n = 10 each). Group I: No treatment was performed on zirconia samples; Group II: The zirconia samples were sand-blasted; Group III: Group II + etched with 9.8% of hydrofluoric (HF) acid for 60 s; Group IV: The sandblasted zirconia samples were selectively infiltrated with low fusing porcelain; and Group V: Group IV + etched using 9.8% HF acid gel. The zirconia specimens were then bonded to dentin samples, and the samples were tested for MSBS evaluation using universal testing machine. Results: The MSBS of all the four experimental groups shows greater value than group I. Among the experimental groups, group V and group IV do not show any statistical significant difference, whereas the mean MSBS of groups IV and V were statistically greater than group III and group II. However, groups I, II, and III do not show any statistical significant difference in mean MSBS values between them. Conclusion: Selective infiltration etching of zirconia ceramics provides the highest bond strength with resin cement.

 
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