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Dental Materials - 3 Questions
What is the main advantage of using glass ionomer cements in dentistry?1) High compressive strength2) Chemical bonding to tooth structure3) Low cost4) High aesthetic appeal
Glass ionomer cements are known for their ability to chemically bond to tooth structure, particularly dentin and enamel.
What is the typical concentration range of phosphoric acid used for enamel etching?1) 10-20%2) 20-30%3) 30-40%4) 35-50%
Phosphoric acid concentrations between 20% and 30% are commonly used for acid etching of enamel to create a roughened surface for mechanical bonding of restorative materials.
What is the effect of silicate cement on the pulp?1) It is non-irritating.2) It is mildly irritating.3) It is highly irritating.4) It has no effect.
Silicate cement is classified as a severely irritant to the pulp.
MCQ