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In addition to pumice, what substance is used to perform enamel micro-abrasion?

What does acid etching do to the surface of the enamel?

Which is true regarding the use of glass ionomer as a pit and fissure sealant?

Compare and contrast sports mouthguards.1. Custom-fit guards use multiple layers of thermoplastic material bonded and heated to fit.2. Custom-fit guards cost less than either stock or boil and bite guards.3. Boil-and-bite bite guards are easily fit and provides a high level of protection.4. Stock guards are expensive and have a high wear compliance.

What is the purpose of approved denture cleansers?

How is obstructive sleep apnea treated?1. Use of nasal decongestants2. Continuous Positive Airway Pressure3. Appliance to push the tongue up4. Surgery to reduce the oropharynx space

Which of the following would be the likely cause of sealant failure?

After whitening, how much time should the patient wait until a shade is selected for permanent restorations?

Compare the advantages and disadvantages of hard acrylic guards versus soft guards.1. Hard guards require more time to adjust the bite.2. Soft guards are better suited for patients who grind their teeth regularly.3. Soft guards may be adjusted by heating the outside biting surface with a torch.4. Patients say the hard-acrylic guides feel tight on the patient’s teeth when they are first tried in.

After polishing a patient’s teeth, you notice scratches on a gold crown. The following most likely contributed to these scratches: