Page 16 - My FlipBook

ILLUSTRATIONS

FIG. PAGE
1. Defects in enamel 21
2. Defects in enamel 22
3. Smooth surface decay 23
4. Smooth surface decay 23
5. Class One cavities filled 24
6. Class Two cavity filled 24
7. Class Three cavity filled 25
8. Class Four cavity filled 25
9. Class Five cavity filled 25
10. Bisected molar in which a mesial Class Two cavity has been cut and line
angles indicated 26
11. Bisected molar in which a mesial Class Two cavity has been cut and point
angles indicated 26
12. Diagram of tooth, giving angles and surfaces 27
13. Technic group illustrating outline form 35
14. Another view of cavities illustrated in Fig. 13 35
15. Fillings in place in cavities shown in Figs. 13 and 14 36
16. Another view of fillings shown in Fig. 15 36
17. Complex Class One cavity prepared 50
18. Class One filled. Cavity shown in Fig. 17 51
19. Large Class One cavities prepared 53
20. Class One filled. Cavities sho^^^l in Fig. 19 54
21. Lingual pit cavities 55
22. Class One filled. Cavities shown in Fig. 21 56
23. One of the few cases in which the step may be omitted in Class Two
cavities 60
24. Class Two cavities in molar and bicuspid suitable for cohesive gold or
amalgam 61
25. Class Two filled. Cavities shown in Fig. 24 62
26. Fillings shown in Fig. 25 contacted, illustrating the marble contact . . 63
27. Large Class Two cavities in non-vital teeth restoring part of the occlusal
surface for the protection of weakened walls 67
28. Class Two filled. Cavities shown in Fig. 27 67
29. Mesio-occluso-distal cavities in molar and bicuspid, vital teeth .... 68
30. Mesio-occluso-distal fillings. Cavities shown in Fig. 29 68
31. (A) First superior molar, non-vital, restoring the lingual cusps. (B)
Second superior bicuspid, non-vital, restoring the entire occlusal
surface 69
32. Class Two filled. Cavities showTi in Fig. 31 69
33. Class Three cavities filled 73
34. Drawing to illustrate the retention at the incisal angle of Class Three
cavity 75
35. Class Three cavities prepared for cohesive gold 76
36. Class Three filled. Cavities shown in Fig. 35 76
37. Drawings to illustrate the principle of the lever in the dislodgement of
fillings of the Fourth Class, plan one 79
38. Drawings to illustrate the principle of the lever in the dislodgement of
fillings of the Fourth Class, plans one and two 80
39. Drawing to illustrate the difference in the directions the point angle
fillings take in tipping to exit with various fillings 82
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