title: Comparative evaluation of glass ionomer and resin based fissure sealant using noninvasive and invasive techniques--a SEM and microleakage study.
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.
authors.affiliation: Department of Pedodontics and Preventive Dentistry, Ragas Dental College and Hospital, Uthandi, Chennai.
authors.forename: G P
authors.initials: GP
authors.lastname: Herle
authors.forename: T
authors.initials: T
authors.lastname: Joseph
authors.forename: B
authors.initials: B
authors.lastname: Varma
authors.forename: M
authors.initials: M
authors.lastname: Jayanthi
mesh_terms: D001641:Bicuspid; D016009:Chi-Square Distribution; D004396:Coloring Agents; D003188:Composite Resins; D003737:Dental Cavity Preparation / Q000009:adverse effects / Q000379:methods*; D003750:Dental Fissures / Q000628:therapy; D003763:Dental Leakage / Q000175:diagnosis / Q000209:etiology; D005899:Glass Ionomer Cements; D006801:Humans; D008751:Methylene Blue; D008855:Microscopy, Electron, Scanning; D010895:Pit and Fissure Sealants; D019279:Resin Cements
chemical_list: D004396:Coloring Agents; D003188:Composite Resins; C493186:Fuji VII; D005899:Glass Ionomer Cements; D010895:Pit and Fissure Sealants; D019279:Resin Cements; C059908:Helioseal; D008751:Methylene Blue