Journal of Conservative Dentistry
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Year : 2003  |  Volume : 6  |  Issue : 3  |  Page : 115-123

A Clinical Study Of Role Of Two Dentinal Adhesives – Glass Ionomer Based And Resin Based Bonding Agent In Retention Of Two Different Restorative Materials - Microfilled And Hybrid Resins In Non - Carious Cervical Lesions

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Kavita Hotani

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Source of Support: None, Conflict of Interest: None

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Retention of restoration in non-carious cervical lesions (NCCLs) present a challenge to the practitioners. The reasons cited for loss of restoration are multiple. Polymerization shrinkage resulting in v-shaped gap formation at the cervical margin due to questionable bonding and concentration of flexural stresses at the cervical region of tooth and inability of stiff composite resin material to flex with the flexion of tooth under occlusal loading are some of the reasons resulting in loss of restorative materials. The aim of the present study was to compare the retention of two composite resins of different modulus of elasticity, hybrid and microfilled with two different bonding agents – 5th generation dentin bonding agent and glass-ionomer based adhesive system in NCCLs in canines and premolars. 64 NCCLs were divided randomly into 4 groups of approximately 40 each and restored with 4 variables (i.e. two bonding agents and two restorative materials) interchanged with each other. 6 months follow up was carried out and retention rate was evaluated using Modified United State Public Health Service criteria. Statistically no significant difference was found between these groups (p>0.05).

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