What is the most frequent reason for obtaining dental images - CORRECT ANSWER caries
define dental caries - CORRECT ANSWER tooth decay is the localized
... [Show More] destruction of teeth by microorganisms
T/F: a dental examination for caries cannot be considered complete without dental images - CORRECT ANSWER true
the ______ can be used as a tactile device to detect changes in consistency in the pits grooves and fissures of teeth - CORRECT ANSWER explorer
smooth teeth surfaces may exhibit a chalky white spot or opacity indicating - CORRECT ANSWER demineralization
demineralization and destruction of hard tooth structures result in - CORRECT ANSWER loss of tooth density in the area of the lesion
caries appear ____ on a dental image - CORRECT ANSWER radiolucent (black)
the ____ is the image of choice for the evaluation of caries - CORRECT ANSWER bitewing
T/f: a periapical can not be used for the evaluation of caris - CORRECT ANSWER false
interproximal caries are typically seen - CORRECT ANSWER at or below the contact point
as the caries progress inward through it enamel it assumes a _____ configuration - CORRECT ANSWER triangular
interproximal caries are classified according to the - CORRECT ANSWER depth of penetration of the lesion through enamel and dentin
______ caries extends less than halfway through the thickness of enamel - CORRECT ANSWER incipient interproximal
____ caries extends more than halfway through the thickness of enamel but does not involve the DEJ - CORRECT ANSWER moderate interproximal
____ caries extends to or through the DEK and into the dentin but doesn not extend through the dentin more than half the distance toward the pulp - CORRECT ANSWER advanced interproximal
____ effects both enamel and dentin - CORRECT ANSWER advanced interproximal or class II
_____ interproximal caries extends through enamel, through dentin and more than half the distance toward the pulp - CORRECT ANSWER severe interproximal class IV
occlusal caries are not seen on a dental image until - CORRECT ANSWER there is involvement of the DEJ
_____ cannot be seen on a dental image and must be detected clinically with an explorer - CORRECT ANSWER incipient occlusal caries
___ extends into dentin and appears as a very thin radiolucent line located under the enamel of the occlusal surface of the tooth - CORRECT ANSWER moderate occlusal caries
____ extends into dentin and appears as a large radiolucency extending under the enamel of the occlusal surface - CORRECT ANSWER severe occlusal caries
_____ occlusal caries are apparent clinically - CORRECT ANSWER severe
buccal and lingual caries are best detected - CORRECT ANSWER clinically
the most common locations of root surface caries are the - CORRECT ANSWER exposed roots of mandibular premolar and molar areas
on a dental image root surface caries appears as a - CORRECT ANSWER cupped out or crate shaped radiolucency just below the CEJ
_____ refers to caries that occur adjacent to preexisting restorations - CORRECT ANSWER recurrent caries
recurrent caries occur because of - CORRECT ANSWER inadequate cavity prep
defective margins
incomplete removal of caries before placement of restoration
recurrent caries occurs most often where - CORRECT ANSWER beneath the interproximal margins of a restoration
____ caries is advanced and severe caries that affects numerous teeth - CORRECT ANSWER rampant
conditions that may be confused with caries - CORRECT ANSWER Cervical burnout
Restorative materials
Attrition
Abrasion
____ is a radiolucent artifact seen on dental images which appears as a collar shaped area between the CEJ and alveolar bone - CORRECT ANSWER cervical burnout
____ such as composites, silicates and acrylics may appear radiolucent and resemble caries. - CORRECT ANSWER restorative materials
the detection of these materials vs. caries would be identified by - CORRECT ANSWER the well defined smooth outline
attrition and abraision may also be mistaken for dental caries - CORRECT ANSWER true
toothbrush abrasion effects the ____ surface of a tooth and may be confused with root surface caries - CORRECT ANSWER root
toothbrush abrasion appears as a - CORRECT ANSWER well defined horizontal radiolucency along the cervical region of the tooth
clinically the areas effected by abrasion appear as - CORRECT ANSWER hard highly polished defects in dentin [Show Less]