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Across 2. The _____ frenum passes from the floor of the mouth to the midline of the ventral border of the tongue. 6. What is the name of the process by which teeth move into the oral cavity? 9. The tapered end of each root tip is known as the ____. 15. This sinuses that are located within the maxillary bones. 16. what is the process of bone loss or bone resorption 20. What is the hardest substance in the human body? 21. The embedded portions of the periodontal ligament fibers that connect the cementum of the tooth and the bone are called ____? 23. Which division of the trigeminal nerve subdivides into the buccal, lingual, and inferior alveolar nerves? 25. The ______ is the pear-shaped pad of tissue located behind the maxillary central incisors. 26. What are bone resorbing cells? 27. What are bone forming cells? 30. The angle of the corner of the mouth is called the ______? 31. What is the name of the bone that does not articulate with any other bone. 32. How many pairs of cranial nerves are connected to the brain?

Down 1. The midline projection of tissue at the posterior area of the soft palate is the? 3. What is the anatomic term for the gums? 4. Which nodes are palpated during a dental examination? 5. This bone form the prominence of the cheek 6. What is the study of prenatal development? 7. The only moveable bone in the skull. 8. What is the duct that has another name of parotid duct? 10. What is the process of adding bone? 11. The frontal bone forms the forehead. 12. What is another term for unattached gingiva or free gingiva? 13. The thin bone that lines the socket is called what? 14. Which nerve is the primary source of innervation for the oral cavity? 17. What is the term for the upper surface of the tongue? 18. How does dentin transmit sensations of pain, through? 19. Are enamel-forming cells. 22. ______is the living tissue of the tooth, made up of blood vessels and nerves. 24. The study of the structure and function of the tissues at a microscopic level is _____. 28. Which type of joint is TMJ? 29. _______salivary glands are located just below and in front of each ear and is the largest.