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Across 1. A hole in the tooth caused by decay. 5. The wearing-away of the tooth by bacteria. 9. The hard, outer surface of the teeth. 10. To hold the top and bottom teeth together tightly. 12. A removable plate that holds artificial teeth. 16. A chemical compound applied to the teeth to strengthen and prevent decay. 17. A pain in a tooth, usually caused by decay or an abscess 19. Practices that maintain the health of one’s teeth, through cleanliness. 20. A tooth that has a small piece missing, usually caused by trauma. 21. What the dentist injects into the gums to numb the area; also called anaesthesia. 25. What the dentist puts in the cavity to prevent more decay. 26. A piece of fabric worn that protects the patient’s clothing. 27. To rub one’s teeth vigorously together, often at night. 28. A wire device fitted in the mouth to straighten the teeth 29. Occasional pain caused by heat or cold touching the tooth, or by pressure on the tooth.

Down 2. A build-up of pus inside the teeth or gums, caused by infection. 3. A false tooth that is placed on top of a damaged tooth. 4. https://www.amssa.org/resources/quicklinks-resources/healthy-living-resources/esl-resources/video-resources/ 5. A build-up of bacteria on the teeth that must be scraped away. 6. An expression, meaning a fondness for sugary foods. 7. A procedure to replace infected pulp in the tooth’s root with an inert material. 8. The removal of water from the mouth, using a tube 11. A process of applying bleach to the teeth to removed stains. 13. A sponge block that helps to keep one’s mouth open, by biting on it. A sponge block inserted at the back back of the mouth that helps to keep one’s mouth open, by biting on it. 14. The person who cleans a patient’s teeth. 15. Inflammation of the gums. 18. When gums lose some of their tissue, at the upper edge, due to gingivitis. 22. To lie back on a bed, couch or dental chair. 23. An artificial tooth that is screwed onto a post inside the gums. 24. A layer of material placed over the tooth to improve the look of the tooth.