| 11. | Odontocetes possess teeth with cementum cells overlying dentine cells.
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| 12. | Cementum is a specialized bone like substance covering the root of a tooth.
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| 13. | Periodontal ligaments connect the alveolar bone to the cementum.
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| 14. | There is also either a second infundibulum or a cementum-filled furrow.
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| 15. | Cementum also is permeable to a variety of materials.
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| 16. | These cementoblasts can form subsequent layers of cementum if the tooth is injured.
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| 17. | This type of cementum forms around the fiber bundles of the periodontal ligaments.
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| 18. | ERM plays a role in cementum repair and regeneration.
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| 19. | Roots of teeth are covered with cementum, a structure that resembles bone.
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| 20. | Fibroblasts develop the periodontal ligaments which connect teeth to the alveolar bone through cementum.
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