Question 9 of 10

Stones do not form on crowns, bridges, dentures.
A: yes
ERROR
Correct Answer: This is not true. On non-natural teeth, plaque settles just as successfully as on molars. To combat tartar on various dental inserts, it is best to use specialized gels, ointments and threads.
B: No
RIGHT
Explanation: This is not true. On non-natural teeth, plaque settles just as successfully as on molars. To combat tartar on various dental inserts, it is best to use specialized gels, ointments and threads.