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Question 1
A 28-year-old patient presents with a small occlusal carious lesion on the lower first molar confined to enamel and the outer third of dentin, with no pulpal symptoms. Which restorative material is most appropriate for a conservative, adhesive Class I restoration in this load-bearing posterior tooth?
Correct Answer:
Resin composite placed with an adhesive system
Question 2
While placing a deep posterior composite restoration, the dentist finds the deepest dentin is close to the pulp but the pulp is asymptomatic with only reversible signs. According to contemporary minimally invasive caries management, what is the preferred approach over the deepest dentin?
Correct Answer:
Selective (partial) caries removal leaving firm/leathery affected dentin over the pulp
Question 3
A Class II composite restoration on a premolar repeatedly shows an open or weak proximal contact after placement. Which technique most directly improves the proximal contact tightness?
Correct Answer:
Using a sectional matrix system with a separating ring and wedge
Question 4
In the total-etch (etch-and-rinse) adhesive technique on dentin, leaving the dentin desiccated (over-dried) after acid etching most commonly causes which problem?
Correct Answer:
Collapse of the collagen network and post-operative sensitivity from poor hybrid layer formation
Question 5
According to G.V. Black's classification, a carious lesion located in the pit and fissure of the occlusal surface of a molar is classified as which class?
Correct Answer:
Class I
Question 1
Exam overview

About this Exam

Prepare with the OMSB Dentist Practice Questions - OMSB Licensing Examination - Dentist (CBT via Prometric) Exam practice quiz. This question bank includes 100 questions covering patient, molar, dentin, tooth, and canal. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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OMSB Dentist Practice Questions - OMSB Licensing Examination - Dentist (CBT via Prometric) Exam

This practice set contains 100 questions from the matching question bank and focuses on patient, molar, dentin, tooth, and canal. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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