EXERCISE 4 Вставьте артикли, где это необходимо:

… tooth consists of a crown and one or more roots. … crown is …visible part, … root is … hidden part.

… tooth is composed of enamel, dentine, cementum and pulp.

Enamel is … hardest substance in the body.

Cementum is … outer covering of …root.

Dentine occupies … interior of the crown and root.

… vessels and … nerves of the pulp enter … root apex through the apical foramen.

… space occupied by the pulp is called … pulp chamber.

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