Glass ionomer cement has what bonding property?

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Study for the NVQ Level 3 Dental Nursing Exam. Prepare with flashcards and multiple choice questions, each with explanations. Ace your dental nursing exam!

Multiple Choice

Glass ionomer cement has what bonding property?

Explanation:
Glass ionomer cement bonds chemically to tooth structure. During setting, the acidic liquid component (polyacrylic acid) chelates with calcium ions in the hydroxyapatite of both enamel and dentine, creating ionic bonds that attach the cement to the tooth. This chemical adhesion to calcium in enamel and dentine is what gives GIC its durable, fluoride-releasing bond, rather than relying solely on mechanical retention.

Glass ionomer cement bonds chemically to tooth structure. During setting, the acidic liquid component (polyacrylic acid) chelates with calcium ions in the hydroxyapatite of both enamel and dentine, creating ionic bonds that attach the cement to the tooth. This chemical adhesion to calcium in enamel and dentine is what gives GIC its durable, fluoride-releasing bond, rather than relying solely on mechanical retention.

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