NDAEB Study Guide – Complete With Accurate
Solutions
Class I Right Ans - decay in the pits and fissures of molars and premolars
Class II Right Ans - decay on the proximal (mesial or distal) surfaces of
molars and premolars
Class III Right Ans - decay on the proximal (mesial or distal) surfaces of
incisors and canines
Class IV Right Ans - decay on the proximal (mesial or distal) surfaces of
incisors and canines, including the incisal edge
Class V Right Ans - decay on the gingival third of the facial or lingual
surfaces of any tooth, aka. smooth surface decay
Class VI Right Ans - decay on the incisal edges of the anterior teeth on the
cups of posterior teeth caused by abrasion
Frontal bone Right Ans - Forehead
Temporal bone Right Ans - Sides of the skull
Sphenoid bone Right Ans - Anterior base of the skull
Parietal bone Right Ans - Roof of the skull
Occipital bone Right Ans - Back/Base of the skull
Ethmoid bone Right Ans - Orbit/Floor of the eye
Inferior conchae Right Ans - Interior nose
Lacrimal bone Right Ans - Orbit of the eye
Vomer bone Right Ans - Base of the nose
, Enamel Right Ans - outer covering of the coronal portion of the tooth
Dentin Right Ans - makes up most of the tooth and is reparative
Cementum Right Ans - the outer layer of the root structure and attachment
Pulp Right Ans - contains the nerves and blood of the tooth
Endogenous Stains Right Ans - stains developed from within the structure
of the tooth
Exogenous Stains Right Ans - stains developed from external sources
Intrinsic Stains Right Ans - stains that occur within the tooth structure and
that cannot be removed by polishing
Extrinsic Stains Right Ans - stains that occur on the external surfaces of the
teeth that may be removed by polishing
Induction Right Ans - stage 1 of tooth development
Proliferation Right Ans - stage 2 of tooth development
Differentiation Right Ans - stage 3 of tooth development
Morphogenesis Right Ans - stage 4 of tooth development
Maturation Right Ans - stage 5 of tooth development
Class I Malocclusion Right Ans - normal orientation of molars, abnormal
orientation (crowding) of incisors
Class II Division I Malocclusion Right Ans - maxillary anteriors protrude
facially with deep overbite
Class II Division II Malocclusion Right Ans - maxillary central incisors are
upright or retruded and laterals are tipped labially, mesiognathic profile
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