• Tabinda Nawaz Khan

• Farhan Raza Khan

• Sadia Rizwan

• Khush Bakht Nawaz Khan

• Syeda Noureen Iqbal

• Syed Yawar Ali Abidi

تلخیص

Background:This study was conducted to compare the adaptation of resin-based sealants with that of Resin modified glass ionome-based sealants in various tooth fissure morphologies.Methods:It was an in vitro experimental study done at the Dow University and NED University, Karachi, Pakistan.Tenextracted human molars were randomly assigned to two groups, (n=5)each. Fissure sealant material (Resin based sealant or resin modified glass ionomer-based sealant)was applied on the occlusal surface of the tooth according to manufacturer’srecommendations. Specimens were thermocycled and then sectioned into three longitudinal parts in the bucco–lingual direction.Specimens were examined using scanning electron microscope for the adaptation of the sealant in the occlusal fissure. Mann-Whitney –U test and Kruskall-Wallis test were applied to compare the adaptability scores of sealant materials in the tooth fissure. Level of significance was kept at 0.05.Results:There were no significant differences in the adaptability scoresamong U-shaped (p-value=0.35), V-shaped (p-value=0.89), IK-shaped (p-value=0.52), I-shaped (p-value-=0.41) and Y-shaped (p-value=1.00) fissure patterns. Similarly, there were no significant differences observed between the resin-based sealant (p-value=0.95) versus RMGIC based sealant (p-value=0.63) for the adaptabilityscores invarious tooth fissure morphologies.Conclusions: No significant difference was found between resin-based sealants and resin modified glass ionomer-based sealants for the adaptation in various tooth fissure patterns.

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