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| Year : 2002 | Volume
: 20
| Issue : 4 | Page : 158-64 |
A comparative study of microleakage below cemento-enamel junction using light cure and chemically cured glass ionomer cement liners.
S Gupta, VI Khinda, N Grewal
Dept of Pediatric Dentistry, SGRD Institute of Dental Sciences, Amritsar
Correspondence Address:
S Gupta
Dept of Pediatric Dentistry, SGRD Institute of Dental Sciences, Amritsar
 Source of Support: None, Conflict of Interest: None  | Check |
PMID: 12587752 
Posterior composite resins have gained considerable importance over last few years. However, improper placement techniques continue to be a prime cause of failure of these restorations. This study was done to compare the microleakage at the tooth restoration interface extending below cementoenamel junction when posterior composite restorations were placed directly in the cavity or when placed over a glass ionomer cement liner, both chemically cured and light cured. The results have shown that light cured glass ionomer when used as a liner under a composite restoration used below gingival cementum/dentin margin has the best sealing capability.
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