Which of the following statements about porcelain denture teeth is correct?

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Possess a greater thermal expansion coefficient compared to acrylic teethExhibit less wear resistance than natural enamelAre recommended for use when there is limited space between teethDemonstrate superior abrasion resistance relative to gold

Explanation

Porcelain denture teeth are known for their high abrasion resistance, which exceeds that of gold. They do not have a higher thermal expansion than acrylic teeth, nor do they wear more than enamel. Additionally, they are not ideal when interdental space is limited due to their hardness and thickness.