. Operative and dental anatomy technics; a class-room and laboratory manual for freshmen dental students . 71 6---^. Fig. 21.—Right upper second molar. Occlusal surface. A, Disto-lingual cusp;B, mesio-buccal angle; C, disto-buccal angle; D, disto-lingual angle; E, mesio-lingualangle; F, buccal groove; G, mesial groove; //, disto-lingual groove; I, distal groove. ^. >. ^ 1^. §} ^E Fig. 22.—Right upper third molar. Occlusal surface. .1, Disto-lingual cusp;B, mesio-buccal angle; C, disto-buccal angle; D, disto-hngual angle; E, buccal groove;F, mesial groove; G, mesio-lingual cusp; //, di
. Operative and dental anatomy technics; a class-room and laboratory manual for freshmen dental students . 71 6---^. Fig. 21.—Right upper second molar. Occlusal surface. A, Disto-lingual cusp;B, mesio-buccal angle; C, disto-buccal angle; D, disto-lingual angle; E, mesio-lingualangle; F, buccal groove; G, mesial groove; //, disto-lingual groove; I, distal groove. ^. >. ^ 1^. §} ^E Fig. 22.—Right upper third molar. Occlusal surface. .1, Disto-lingual cusp;B, mesio-buccal angle; C, disto-buccal angle; D, disto-hngual angle; E, buccal groove;F, mesial groove; G, mesio-lingual cusp; //, distal groove. 20 DENTAL ANATOMY 12. Outline a figure (Fig. 19) consisting of three pyramidsand a trapezoid, placed base to base, and draw the buccal as-pect of _6_| showing three roots, buccal groove, curvature of thecervical line and location of the mesio- and disto-bucco-oc-clusal angles. 13. The shape of the occlusal surfaces of _6, _7, _8_is irregu-larly rhombic (Figs. 20,21,22). Draw three such figures andoutline the occlusal surface of _6. _7, _8_ one in each, showingdifferences in general shape of the surfaces of the three, the
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