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23
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Across 2. formation of new teeth 7. reproductive cell production that enssures the correct number of chromosomes 13. organic tissue becomes hardened by deposits of lime salts in the tissues 15. mucous membrane that covers the hard palate, dorsum of the tongue and gingival 22. union of the female ovum and male sperm 23. the body's process for eliminating existing hard bone or hard tissue structure 24. cells that form dentin 25. day of birth 26. the process of adding new bone

Down 1. junction of enamel meeting cementum 3. (DEJ) junction of the dentin meeting enamel 4. the study of prenatal (before birth) developmet 5. the primitive mouth 6. cells that form cementum 8. cells that resorb cementum 9. stage of human development between the second week to the end of the eighth week 10. permanent teeth that replace primary teeth 11. air passage between soft palate and upper portion of the epiglottis 12. shedding or loosing the primary teeth 14. structures that surround, support, and are attached to teeth 16. cells that form enamel 17. cells that form bone 18. after birth 19. adverse environmental influences i.e. infections, drugs, radiation, chemicals pg.87 20. the study of the structure and function of the body tissues at a microscopic level 21. before birth