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Sound tooth surface with restoration or sealant: Code 0
A sound tooth surface adjacent to a restoration/sealant margin.
There should be no evidence of caries (either no or questionable
change in enamel translucency after prolonged air drying for 5
seconds). Surfaces with marginal defects less than 0.5mm in
width (i.e. will not admit the ball end of the CPI Probe),
developmental defects such as enamel hypoplasias; fluorosis;
tooth wear (attrition, abrasion and erosion), and extrinsic or
intrinsic stains will be recorded as sound. Stained margins
consistent with non-carious habits (e.g. frequent tea drinking)
and which do not exhibit signs consistent with demineralization
should be scored as sound |
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First visual change in
enamel: Code 1
When seen wet there is no evidence of any change in
color attributable to carious activity, but after prolonged air drying (for
approximately 5 seconds) an opacity or discoloration consistent with
demineralisation is visible that is not consistent with the clinical
appearance of sound enamel.
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Distinct visual change in enamel/dentin adjacent to a
restoration/sealant margin: Code 2
If the restoration
margin is placed on enamel the tooth must be viewed wet. When wet
there is an opacity consistent with demineralisation or discoloration
that is not consistent with the clinical appearance of sound enamel
(Note: the lesion is still visible when dry).
If the restoration
margin is placed on dentin: Code 2 applies to discoloration that is
not consistent with the clinical appearance of sound dentin or cementum.
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Carious defects of <0.5
mm with the signs of code 2: Code 3
Cavitation at the margin of the restoration/sealant less
than 0.5mm, in addition to either an opacity or discoloration consistent
with demineralisation that is not consistent with the linical appearance
of sound enamel or with a shadow of discolored dentin.
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Probe |
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Marginal caries in enamel/dentin
/cementum adjacent to restoration/sealant with underlying dark shadow
from dentin: Code 4
The tooth surface may have characteristics of code 2 and
has a shadow of discolored dentin which is visible through an apparently
intact enamel surface or with localized breakdown in enamel but no
visible dentin. This appearance is often seen more easily when the tooth
is wet and is a darkening and intrinsic shadow which may be grey, blue,
orange, or brown in color. Note: view tooth wet and then dry. This
lesion should be distinguished from amalgam shadows. |
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Probe |
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Distinct cavity adjacent
to restoration/sealant: Code 5
Distinct cavity adjacent to restoration/sealant with
visible dentin in the interfacial space with signs of caries as
described in code 4, in addition to a gap > 0.5mm in width. OR In those
instances where margins are not visible, there is evidence of
discontinuity at the margin of the restoration/sealant and tooth
substance of the dentin as detected by 0.5mm ball-ended probe run along
the restoration/sealant margin. |
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Probe |
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Extensive distinct cavity
with visible dentin: Code 6
Obvious loss of tooth structure, the extensive cavity
may be deep or wide and dentin is clearly visible on both the
walls and at the base. |
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Probe |
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Para T
