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  • Title: Comparative evaluation of glass ionomer and resin based fissure sealant using noninvasive and invasive techniques--a SEM and microleakage study.
    Author: Herle GP, Joseph T, Varma B, Jayanthi M.
    Journal: J Indian Soc Pedod Prev Dent; 2004 Jun; 22(2):56-62. PubMed ID: 15491087.
    Abstract:
    The efficacy of using invasive and non-invasive techniques was assessed by Scanning electron microscopy, and by microleakage of Glass ionomer (GC VII, Fuji) and Resin based sealant (Helioseal-F, Ivoclar Vivadent). 100 young premolars were used for this study, and they were divided into four groups: Group I: non-invasive technique GC VII, Group II: Invasive GC VII, Group III: Non-Invasive Helioseal-F, Group IV: Invasive, Helioseal-F. 5 teeth from each group were evaluated under SEM. It was seen that the flow and adaptation of GC VII was slightly better than Helioseal F, and the invasive technique provided the best flow and adaptation. For microleakage analysis 5% methylene blue was used. It was seen that minimal microleakage was seen in Group IV (P<0.01). Considering the recent controversies using resin based sealants, it can be said that GC VII can be a viable alternative for pit and fissure sealants.
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