Page 17 - My FlipBook

ILLUSTRATIONS 13
FIG. PAGE
40. Drawings to illustrate the importance which should be given to the proper
placing of the incisal point angle in fillings of Class Four, plan two 83
41. A study in the proper placing and depth of the gingival angles ... 84
42. A study of the planes in which the gingival angles should be laid . . 84
43. Cavity of Class Four, plan one, for cohesive gold 85
44. Class Four, plan one, cavity filled 85
45. Shows incisal outline in Class Four, plan one, fillings with direct occlusion 86
46. Cavity of Class Four, plan two, for cohesive gold 88
47. Class Four, plan two, filled 88
48. Cavity of Class Four, plan three, for cohesive gold 89
49. Class Four, plan three, filled 89
50. Cavity of Class Four, plan four, for cohesive gold 91
51. Class Four, plan four, filled 91
52. Cavity of Class Four, modified plan three, for cohesive gold in the distal
of the superior cuspid 92
53. Class Four, modified plan three, filled 92
54. Cavities Class Five for cohesive gold or amalgam 93
55. Class Five filled 94
56. Cavities of Class One for gold inlays 101
57. Class One inlay in position showing gold wire cast in the filling . . . 102
58. Cavities of Class Two for gold inlays 103
59. Cavity of Class Three for gold inlay, lingual approach 105
60. Inlay shown in Fig. 59 partly in place 105
61. Cavity of Class Four, plan one, for gold inlay 106
62. Class Four, plan one, inlay in position 106
63. Cavity of Class Four, plan two, for gold inlay 107
64. Class Four, plan two, gold inlay in position 107
65. Cavity of Class Four, plan three, for gold inlay 108
66. Class Four, plan three, inlay in position 108
67. Cavity of Class Four, plan four, for gold inlay 109
68. Class Four, plan four, showing cavity side of pattern with pins . . . 109
69. Class Four, plan four, inlay in position before removing wire loop . . 109
70. Class Five cavity and inlay 110
71. Shows the necessary amount of metal for adequate protection of abraded
surfaces, when opening the bite 110
72. Large restoration in non-vital case 113
73. Some of the methods by which inlays may be given retentive form in
large decays and non-vital cases 1]5
74. Starting cohesive gold, first plan 130
75. Starting cohesive gold, second plan 131
76. Starting cohesive gold, third plan 132
77. Burnishing back excess gold foil in covering the gingival margin . . 133
78. Covering the gingivo-lingual angle with cohesive gold 134
79. Suitable cavities for the use of silicate fillings 149
80. A Class One cavity on the labial of a central incisor properly prepared
for a silicate filling 149
81. Extensive Class Three cavity properly prepared for a silicate filling . . 150
82. A Class Five and a Class Three cavity suitable for the use of silicate
as a filling 150
83. A Class Five cavity properly prepared for a silicate filling 151
84. A Class Three cavity, lingual approach, properly prepared for a silicate
filling . . .' 151
85. A small Class Three cavity, labial approach, properly prepared for a
silicate filling 152