TASK 1
A) 1;
B) 2;
C) 3;
D) 4.
TASK 2
A) 1;
B) 2;
C) 3;
D) 4.
TASK 3
A) 1;
B) 2;
C) 3.
TASK 4
1. K-reamer.
2. K-file.
3. H-file.
TASK 5
A. K-reamer.
B. K-file.
C. H-file.
TASK 6
1. 8.
2. 10.
3. 15.
4. 20.
5. 25.
6. 30.
7. 35.
8. 40.
TASK 7
1. Hand.
2. Stopper.
3. Shank.
TASK 8
A) 1;
B) 2;
C) 3;
D) 4.
TASK 9
A) 2;
B) 3;
C) 4;
D) 1.
TASK 10
1) A;
2) B;
3) С;
4) D.
TASK 11
A. Maxillary central incisor.
B. Maxillary lateral incisor.
C. Maxillary canine.
D. Mandibular central incisor.
E. Mandibular lateral incisor.
F. Mandibular canine.
TASK 12
A. Maxillary central incisor.
B. Maxillary lateral incisor.
C. Maxillary canine.
D. Mandibular central incisor.
E. Mandibular lateral incisor.
F. Mandibular canine.
TASK 13
a - anterior tooth: A - apex;
AF - apical foramen; SC - supplementary canal; B - bone; C - cementum; PM - periodontal ligament; PC - pulp canal; G - gingiva; GC - gingival crevice; GM - gingival margin; PCH - pulp chamber; D - dentin; E - enamel; CR - crown.
b - posterior tooth: A - apices; PC - pulp canal; PCH - pulp chamber; PH - pulp.
TASK 14
A) distomesial section, lingual view;
B) cross section, incisal view;
C) linguolabial section, mesial view.
TASK 15
A) labial view;
B) lingual view;
C) incisal view;
D) mesial view;
E) distal view.