Practice NRE Dental Step I questions with answers and explanations.
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Obturation is three-dimensional filling and sealing of a prepared root-canal system.
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Apex locator is an electronic device used to estimate root-canal working length.
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Pit and fissure sealant is a preventive resin material placed in susceptible occlusal grooves.
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Pulpotomy is removal of coronal pulp while preserving healthy radicular pulp tissue.
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Stainless-steel crown is a preformed full-coverage restoration commonly used for extensively damaged primary molars.
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Indirect pulp treatment is selective removal of carious dentine near the pulp followed by sealing to preserve vitality.
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Smear layer is a thin debris layer created on dentine during instrumentation.
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Dental caries is a biofilm-mediated disease causing net mineral loss from dental hard tissues.
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Dental caries is a biofilm-mediated disease causing net mineral loss from dental hard tissues.
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Oral submucous fibrosis is a chronic fibrosing oral disorder associated with reduced mouth opening and malignant risk.
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Temporomandibular disorder is a group of conditions affecting the jaw joint, masticatory muscles and related structures.
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Leukoplakia is a predominantly white oral plaque that cannot be characterised as another definable lesion after evaluation.
