Carex is a fluoride containing varnish with the following characteristics except-
Correct Answer: Contact between varnish and tooth surfaces for about 2 hours is maintained for prolonged interaction between fluoride and enamel
Description: Carex is another fluoride varnish and contains a lower fluoride concentration than Duraphat (1.8% fluoride) and has efficacy equivalent to that of Duraphat as a caries -preventive agent.
Technique of varnish application :
After prophylaxis, teeth are dried, but not isolated with cotton rolls since varnish sticks to cotton.
A total of 0.3 - 0.5 ml of varnish equivalent to 6.9-11.5 mg F is required to cover the full dentition.
Application is done first on the lower arch and then on the upper arch, using a single tufted small brush, starting with the proximal surfaces.
After application, the patient is made to sit with the mouth open for 4 minutes before spitting to let Duraphat set on teeth which is further enhanced by saliva. (FIuorprotector sets faster than Duraphat).
Patient is asked not to rinse or drink anything at all for one hour and not to eat anything solid but take liquids and semisolids only till the next morning, so that contact between varnish and tooth surfaces for about 18 hours is maintained for prolonged interaction between fluoride and enamel.
Category:
Dental
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now