Digestive system

5. Human beings show __________ dentition.
7. We should use tongue scraper to remove _______ from tongue.
9. We should use dry ________ brush for the first one minute of cleaning.
12. The _______ and dentine are the only living parts of the body.
13. Bad breath arises due to several reasons like ________, dry mouth etc.
16. Digestion of food begins in the mouth and ends in the Large intestine. Is this sentence correct?If it is wrong correct it.
17. At this stage, supporting bones and fibres are damaged.
18. Healthy gums don't have _________.
20. In _________ stage bleeding may occur during brushing.

1. The Pulp contains blood vessels and ________.
2. There are ____ premolars in each jaw.
3. Their cutting edges are broad and chisel shaped.
4. Tooth may fall out in _________________.
6. Root has ______ processes in premolars and lower molars
8. The innermost ___________ space of the tooth is the pulp cavity.
10. Which teeth's cutting edges have hill-like projections?
11. Tooth decay is also called as ________.
14. They have sharp canines.
15. In the mouth, food is first chewed and broken into small pieces. This process is called _________.
19. Mouth Hygiene means taking care of teeth. Correct this sentence.