MCQOPTIONS
Saved Bookmarks
| 1. |
Which of the following describes of plaque? |
| A. | It is hard, protective covering on the tooth. |
| B. | It is soft covering of the tooth which is present below the visible part. |
| C. | It is the cavity which contains nerves and blood vessels in a tooth. |
| D. | It is sticky film of food and bacteria near the gums. |
| Answer» E. | |