<prompt> A young patient,who got porcelain lamination done for anterior teeth, reports after 2-3 days of cementation to you with complaints of sensitivity, what can be the possible reason:Improper finishing and microleakageAdhesion and cohesion failureImproper etchingRemaining bacteria which is causing sensitivity  <response>: Interfacial microleakage that occurs as a result of the setting contraction of the composite restorations may cause pulpal irritation. 