Which of the following statements is true of Bis-GMA-based polymers used to fabricate temporary crowns or bridges?

Question

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Bis-GMA-based polymers used to fabricate temporary crowns or bridges can be light-cured, chemical-cured, or dual-cured. They are not necessarily lower in cost than non-cross-linked acrylic polymers, and they may be more difficult to trim than acrylic polymers. However, the statement that they do not wear as well as acrylic polymers is not necessarily true and may depend on the specific product and its properties.

Which of the Following Statements Is True of Bis-GMA-Based Polymers