Journal of Conservative Dentistry
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Year : 2003  |  Volume : 6  |  Issue : 1  |  Page : 33-38

Comparative Study On Sealing Ability Of Silver Amalgam, Light Cure GIC And MTA As Retrograde Filling Material - An Invitro Evaluation

Correspondence Address:
Vijay S Singh

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Source of Support: None, Conflict of Interest: None

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Silver amalgam, light cure GIC and MTA were used to compare the sealing ability as retrograde restoration. Forty freshly extracted maxillary incisors were selected for this study. Thirty teeth were used as experimental groups and ten were used as control. Root canals were prepared and obturated with gutta percha points and apicoectomy was performed. A 3-mm-deep retrograde cavity was prepared in the entire group except the negative control group. Teeth with retrograde cavity were divided into three groups of 10 each. First group was retro filled with amalgam, second group with light cure GIC and the third group with MTA. The surface of tooth were isolated with nail polish and were stored in 1% methylene blue dye for 72 h. Roots were sectioned, and the depth of dye penetration was evaluated through a travelling microscope. The result showed that MTA had significantly less leakage than light cure GIC that was followed by silver amalgam.

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