Comparison Between Resin Based and Glass Ionomer Based Hydrophilic Fissure Sealants

Inclusion Criteria: * Patients who have existing pits and fissures that are anatomically deep and caries susceptible. * Healthy patients with no history of previous systematic diseases that can affect their oral health and sealant application. * Cooperative patients who will allow the clinical applications Exclusion Criteria: * Uncooperative behaviour limiting the use of sealants throughout the procedure. * Patients with history of medical diseases, drug therapies or any other serious relevant problem. * Patients with well coalesced pits and fissures * Patients allergic to sealant material * Patients who underwent orthodontic treatment.