exercise 5. вставьте предлоги или наречия: 
 1. every tooth consists…a crown and one or more roots.
 2. it is insensitive … pain.
 3. any damage caused … decay or injury is permanent.
 4. cementum is similar … structure to bone.
 5. dentine occupies the interior … the crown and root.
 6. vessels and nerves of the pulp pass … the root canal … the crown dentine.
 7. a tooth is inserted … the jaw … its root.
 8. any tooth is attached … its socket … the jaw … a soft fibrous tissue called the periodontal membrane.
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							exercise 5. вставьте предлоги или наречия:  1. every tooth consists…a crown and one or more roots....
							 
 
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