12 Questions
What was the purpose of comparing the three different air-abrasion powders in the study?
To assess their influence on the susceptibility of enamel to acid challenge
Why did the study use air-abrasion operating parameters that minimize selective removal of bulk enamel?
To avoid excessive enamel surface loss
What is alumina powder more suited for?
Cutting purposes
What was the result of air-abrasion on sound enamel surfaces according to the study?
Increased enamel surface loss after pH-cycling
What is one likely reason for the increased susceptibility of dental enamel to acid challenge after air-abrasion?
Greater exposed damaged area due to surface modification
Which powder showed similar levels of enamel loss compared to the positive control group?
BAG
Which air-abrasion powder has a significantly higher microhardness compared to that of enamel?
Alumina
What is one advantage of using BAG powder over sodium bicarbonate?
BAG can remineralize enamel
Why is an in-situ study still required according to the text?
To understand the long-term effect of air-abrasion on sound enamel susceptibility to erosion
What process leads to the formation of hydroxyapatite structures when using BAG powder?
All of the above
What method is considered the 'gold standard' in assessing surface loss?
Profilometry
What procedure is commonly used to reduce variation between biological samples when studying enamel mineral change?
Using nail varnish to protect part of the sound enamel
Explore the results from a study comparing the effects of alumina, sodium bicarbonate, and 45S5 BAG air-abrasion powders on sound enamel surfaces to an acid challenge. Understand how different operating parameters minimize selective enamel removal with this technology.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
