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NDEB Dental > ICDAS / {with radiographic images} Exam Set Questions With Revised Correct Detailed Answers |Guarantee Pass!!

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NDEB Dental > ICDAS / {with radiographic images} Exam Set Questions With Revised Correct Detailed Answers |Guarantee Pass!! >> BRAND NEW VERSION Underlying dark shadow from dentin with or without localized enamel breakdown: Code 4 This lesion appears as a shadow of discolo...

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  • October 20, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • dentistry
  • ndeb dental icdas with radiographic images

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NDEB Dental > ICDAS / {with
radiographic images} Exam Set
Questions With Revised Correct
Detailed Answers
|Guarantee Pass!!
>> BRAND NEW VERSION


Underlying dark shadow from dentin with or without localized enamel
breakdown: Code 4

This lesion appears as a shadow of discolored dentin visible through an apparently
intact enamel surface which may or may not show signs of localized breakdown
(loss of continuity of the surface that is not showing the dentin). The shadow
appearance is often seen more easily when the tooth is wet. The darkened area is
an intrinsic shadow which may appear as grey, blue or brown in color. The
shadow must clearly represent caries that started on the tooth surface being
evaluated




ICDAS 2

Distinct visual change in enamel when viewed wet: Code 2

There is a carious opacity or discoloration (white or brown lesion) that is not

,consistent with the clinical appearance of sound enamel (Note: the lesion is still
visible when dry). This lesion may be seen directly when viewed from the buccal
or lingual direction. In addition, when viewed from the occlusal direction, this
opacity or discoloration may be seen as a shadow confined to enamel, seen
through the marginal ridge.




ICDAS 5

Distinct cavity with visible dentin: Code 5

Cavitation in opaque or discolored enamel exposing the dentin beneath.




ICDAS 2

Distinct visual change in enamel when viewed wet: Code 2

There is a carious opacity or discoloration that is not consistent with the clinical
appearance of sound enamel (Note: the lesion is still visible when dry). The lesion
is located in close proximity (in touch or within 1 mm) of the gingival margin




ICDAS 2

Distinct visual change in enamel: Code 2

,The tooth must be viewed wet. When wet there is a (a) carious opacity (white
spot lesion) and/or (b) brown carious discoloration which is wider than the
natural fissure/fossa that is not consistent with the clinical appearance of sound
enamel (Note: the lesion must still be visible when dry).




ICDAS 2

Distinct visual change in enamel: Code 2

The tooth must be viewed wet. When wet there is a (a) carious opacity (white
spot lesion) and/or (b) brown carious discoloration which is wider than the
natural fissure/fossa that is not consistent with the clinical appearance of sound
enamel (Note: the lesion must still be visible when dry).




ICDAS 1

First visual change in enamel: Code 1

Code 1 is assigned for the following pits and fissures:
When seen wet there is no evidence of any change in color attributable to carious
activity, but after prolonged air drying (approximately 5 seconds is suggested to
adequately dehydrate a carious lesion in enamel) a carious opacity or
discoloration (white or brown lesion) is visible that is not consistent with the
clinical appearance of sound enamel

OR

, When there is a change of color due to caries which is not consistent with the
clinical appearance of sound enamel and is limited to the confines of the pit and
fissure area (whether seen wet or dry). The appearance of these carious areas is
not consistent with that of stained pits and fissures as defined in code 0.




ICDAS 4

Underlying dark shadow from dentin with or without localized enamel
breakdown: Code 4

This lesion appears as a shadow of discolored dentin visible through the enamel
surface beyond the white or brown spot lesion, which may or may not show signs
of localized breakdown. This appearance is often seen more easily when the tooth
is wet and is a darkening and intrinsic shadow which may be grey, blue or brown
in color.




ICDAS 5

Distinct cavity with visible dentin: Code 5

Cavitation in opaque or discolored enamel exposing the dentin beneath.
If in doubt, or to confirm the visual assessment, the CPI probe can be used with
NO digital pressure to confirm the presence of a cavity apparently in dentin. This
is achieved by sliding the ball end along the surface and a dentin cavity is detected
if the ball enters the opening of the cavity and in the opinion of the examiner the
base is in dentin.

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