. Descriptive anatomy of the human teeth . Note.—In the naming of the surfaces and angles of the teeth the crowns areregarded as representing cubes with the angles more or less rounded, though theyare named as if they were true cubes. For this reason the diagrams here given forthe explanation of these names are drawn as cubes. Diagram A (Parg \ find 5)-—The Surfaces of a Lower Molar, m, Mesialsurface; /, lingual surface; b, buccal surface; d, distal surface; 0, occlusal surface;g, gingival line. This line passes entirely around the tooth at the junction of thecrown with the root. Diagram B (Pa

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. Descriptive anatomy of the human teeth . Note.—In the naming of the surfaces and angles of the teeth the crowns areregarded as representing cubes with the angles more or less rounded, though theyare named as if they were true cubes. For this reason the diagrams here given forthe explanation of these names are drawn as cubes. Diagram A (Parg \ find 5)-—The Surfaces of a Lower Molar, m, Mesialsurface; /, lingual surface; b, buccal surface; d, distal surface; 0, occlusal surface;g, gingival line. This line passes entirely around the tooth at the junction of thecrown with the root. Diagram B (Patv-7).—The Names and Positions of the Line Angles of aMola?. mb, Mesio-buccal angle; ml, mesio-lingual angle; db, disto-buccal angle; dl,disto-lingual angle; mo, mesio-occlusal angle; do, disto-occlusal angle; bo, bucco-occlusal angle; lo, linguo-occlusal angle. The names of the occlusal line angles(the last four) are seldom used, as they are called also marginal ridges. Diagram C ().—The Names and Positions of the Point Ang

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