Test Bank - Chapter 01Question1 of 20Which of the following is formed by the junction of two surfaces and derives itsname from the combination of the two surfaces that join?OVERVIEWINCORRECTCORRECTA line angle forms from the junction of two surfaces. A point angle is formed by thejunction of three surfaces. A sulcus is a long depression or valley in the surface of a toothbetween ridges and cusps. Marginal ridges are rounded boarders of the enamel that formthe mesial and distal margins of the occlusal surfaces of premolars and molars andlingual surfaces of incisors and canines.A line angle forms from the junction of two surfaces. A point angle is formed by thejunction of three surfaces. A sulcus is a long depression or valley in the surface of a toothbetween ridges and cusps. Marginal ridges are rounded boarders of the enamel that formthe mesial and distal margins of the occlusal surfaces of premolars and molars andlingual surfaces of incisors and canines.Line anglePoint anglePreview Mode
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