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Questions and Answers
What creates microporosities on enamel for penetration by bonding agents?
What creates microporosities on enamel for penetration by bonding agents?
- Polishing
- Air abrasion
- Acid-etching (correct)
- Ultrasonic scaling
What is the result of enamel etching on the micro-morphologic patterns?
What is the result of enamel etching on the micro-morphologic patterns?
- Type I pattern involves the dissolution of prism cores without dissolution of prism peripheries (correct)
- Type III pattern involves dissolution of both prism cores and peripheries
- Type II pattern involves dissolution of prism peripheries without dissolution of prism cores
- Type IV pattern involves no dissolution of prism cores or peripheries
What is the role of capillary attraction in enamel adhesion?
What is the role of capillary attraction in enamel adhesion?
- Enhancing the dissolution of enamel rods
- Penetrating microporosities in enamel created by acid-etching (correct)
- Creating a hydrophobic barrier on enamel surface
- Preventing penetration of bonding agents into enamel
What provides the best achievable bond to the dental substrate on enamel?
What provides the best achievable bond to the dental substrate on enamel?
What is the result of type II enamel etching pattern?
What is the result of type II enamel etching pattern?
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