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ORIGINAL RESEARCH Table of Contents   
Year : 2019  |  Volume : 30  |  Issue : 2  |  Page : 277-281
Comparative evaluation of microleakage of three different direct restorative materials (silver amalgam, glass ionomer cement, cention N), in Class II restorations using stereomicroscope: An in vitro study


Department of Conservative Dentistry and Endodontics, Guru Nanak Institute of Dental Sciences and Research, Kolkata, West Bengal, India

Correspondence Address:
Dr. Abiskrita Das
Gurunanak Institute of Dental Sciences and Research Campus, 157/F, Nilgunj Road, Panihati, Kolkata - 700 114, West Bengal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijdr.IJDR_481_17

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Aim: The aim of the study is to compare the microleakage of three different direct restorative materials (amalgam [AA], glass ionomer cements [GICs], and Cention N [CN]) in Class II restorations using stereomicroscope. Materials and Methods: A standardized Class II cavity preparation was made involving the proximal and occlusal surfaces. All prepared samples were randomly divided into 3 experimental groups, with 10 teeth each according to the restoration material used: Group I-AA; Group II-GICs; and Group III-CN. The restored teeth were stored for 24 h in distilled water and thermocycled for 500 cycles between 5°C and 55°C with a dwell time of 30 s in each bath. Samples were immersed in 0.5% basic fuchsin dye for 24 h. The teeth were sectioned along the mesiodistal direction. The dye penetration of the occlusal and gingival margins of each section was evaluated independently by the observer using a stereomicroscope. Results: Statistical analysis revealed lower microleakage scores in GIC and CN. Higher microleakage was observed in Group AA. Mean microleakage score of Group-I (AA) was the highest of all groups. Mean microleakage score of Group-III (CN) was the lowest of all groups. As per the critical differences (CD), the mean microleakage score of Group-III CN) was significantly lower than that of Group-I (AA), Group-II (GIC) (P < 0.01). There is no significant difference between the mean microleakage score of Group-I (AA) and Group-II (GIC). Conclusion: Out of all the restorative materials, CN a newer restorative material displayed minimum microleakage compared to AA and GICs.


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