CV
Questions
IN VITRO WEAR OF THREE BULK FILL COMPOSITES AND ENAMEL
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Jean-François ROULET
DDS, PhD, Dr hc, Prof hc, Professor Chair Department of Restorative Dental Sciences
College of Dentistry, University of Florida Gainesville, FL, USA
CV
Jean-François Roulet, DDS, Dr med dent, PhD, is the former chair and current professor of the Department of Restorative Dental Sciences at the University of Florida. Professor Roulet is author / coauthor of more than 180 papers, edited / contributed to 27 textbooks and mentored more than 150 theses. He is a renowned international lecturer with over 800 appearances to date. Dr. Roulet is a member of many professional organizations, has won numerous awards, and holds four patents. He is editor of Prophylaxe Impuls and Stomatology Edu Journal. His areas of interest include minimally invasive dentistry, dental materials( ie, composites and ceramics), adhesive dentistry, esthetic dentistry, and application concepts in preventive dentistry.
Original Articles
Questions
Bulkfill composites
qa. |
can be cured up to 8 mm thickness in 5 seconds |
qb. |
can be cured in 4-5 mm increments in up to 20 seconds |
qc. |
can be used in one increment for every restoration |
qd. |
have a very low translucency |
In the experiment, the load of the chewing simulator was
qa. |
29 N |
qb. |
39 N |
qc. |
49 N |
qd. |
59 N |
The wear of enamel after 120’ 000 cycles was
qa. |
significantly less than the one of the composites |
qb. |
significantly more than the one of the composites |
qc. |
equal to the one of the composites |
qd. |
8x higher than the wear of the composites |
The wear of the antagonists after 120’ 000 cycles was
qa. |
equal for all tested composites |
qb. |
significantly lower than the wear of the composites |
qc. |
significantly higher than the wear of the tested composites |
qd. |
the same as the one of the tested composites |
Stomatology Edu Journal
253