Normal occlusion
Buccal cusps of max teeth occlude with the buccal surface of mand teeth
Marginal ridge
Forms the medial and distal borders of the occlusal surface. Found on ling surfaces of anterior and on occulsal of posterior
Oblique ridge
Separates the central and distal occu...
EFDA entrance exam
Normal occlusion correct answerBuccal cusps of max teeth occlude with the buccal surface of mand teeth
Marginal ridge correct answerForms the medial and distal borders of the occlusal surface. Found on ling surfaces of anterior and on occulsal of posterior
Oblique ridge correct answerSeparates the central and distal occulsal fossae. Found on max first molars. Mand molars do not have this.
Class I correct answerCavities in pits and fissures of teeth.
Class II correct answerInterproximal surface of the posterior teeth
Class III correct answerInterproximal surface of anterior teeth
Class IV correct answerInterproximal surface of anterior teeth including incisal edge
Class V correct answerInvolves cervical third of facial buccal or lingual. Gum line
Class vi correct answerIncisal or occulsal that worn away due to abrasion
Max incisors- labial surface correct answerMesioincisal- is at right angle distoincisal-not as sharp, rounded facial grooves- there are two
Max incisors- lingual correct answerCingulum- lingual lobe. Found only on lingual surface. Marginal ridges- raised rounded borders on m/d lingual fossa- shallow depression below cingulum
Max incisors- Mesial correct answerCingulum is evident. Cervical line-curves incisally.
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