The oldest of the dental cements, composed of a powder (zinc oxide and magnesium oxide) and a liquid (phosphoric acid and water). An acid-base reaction occurs when the powder and liquid are mixed. The set cement is unreacted zinc oxide particles suspended within a matrix of zinc aluminophosphate. The cement is used for inlays, crowns, bridges, and orthodontic appliances.
cement
zinc phosphate cement is a sample definition found in
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