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1. CLASSIFICATION OF CAVITIES ANDCLASSIFICATION OF CAVITIES AND
TOOTH NOMENCLATURETOOTH NOMENCLATURE
INDIAN DENTAL ACADEMYINDIAN DENTAL ACADEMY
Leader in continuing Dental EducationLeader in continuing Dental Education
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2. TERMINOLOGYTERMINOLOGY
 DENTAL CARIES: It is defined as anDENTAL CARIES: It is defined as an
infectious microbiological disease of theinfectious microbiological disease of the
teeth that results in localized dissolution andteeth that results in localized dissolution and
destruction of the calcified tissues.destruction of the calcified tissues.
 CAVITY: A defect in the enamel, dentin orCAVITY: A defect in the enamel, dentin or
cementum resulting from the pathologicalcementum resulting from the pathological
processes, mostly the dental caries.processes, mostly the dental caries.
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3. CLASSIFICATION OF CAVITIESCLASSIFICATION OF CAVITIES
 Class 1 Cavity: Restorations on occlusalClass 1 Cavity: Restorations on occlusal
surface of molars and premolars.surface of molars and premolars.
 Restorations on occlusal two thirds of facialRestorations on occlusal two thirds of facial
and lingual surfaces of molars.and lingual surfaces of molars.
 Restorations on lingual surfaces of maxillaryRestorations on lingual surfaces of maxillary
incisors.incisors.
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4.  Class II Cavity : Cavities on the proximalClass II Cavity : Cavities on the proximal
surfaces of posterior teethsurfaces of posterior teeth..
 Class III Cavity : Cavities on proximalClass III Cavity : Cavities on proximal
surfaces of anterior teeth that do not involvesurfaces of anterior teeth that do not involve
the incisal angles.the incisal angles.
 Class IV : Cavities on the proximal surfacesClass IV : Cavities on the proximal surfaces
of the anterior teeth that do involve theof the anterior teeth that do involve the
incisal angles.incisal angles.
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5.  Class V Cavity : Cavities on the gingival thirdClass V Cavity : Cavities on the gingival third
of the facial or lingual surfaces of all teethof the facial or lingual surfaces of all teeth
( except pit and fissure lesions) .( except pit and fissure lesions) .
 Class VI Cavity: Cavities on the incisal edgeClass VI Cavity: Cavities on the incisal edge
of anterior teeth or the occlusal cusp heightsof anterior teeth or the occlusal cusp heights
of posterior teeth.of posterior teeth.
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6. RECORDING OF DECIDUOS ANDRECORDING OF DECIDUOS AND
PERMANENT TEETHPERMANENT TEETH
 FOUR QUADRANTSFOUR QUADRANTS
 UPPER RIGHT UPPER LEFTUPPER RIGHT UPPER LEFT
 LOWER RIGHT LOWER LEFTLOWER RIGHT LOWER LEFT
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7. ZIGMONDYS METHOD ( 1861) ORZIGMONDYS METHOD ( 1861) OR
PALMERS NOTATION ( 1891 )PALMERS NOTATION ( 1891 )
 For Permanent TeethFor Permanent Teeth
 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 88 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 88 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
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8. UNIVERSAL SYSTEMUNIVERSAL SYSTEM
 1 2 3 4 5 6 7 81 2 3 4 5 6 7 8 9 10 11 12 13 14 15 169 10 11 12 13 14 15 16
 32 31 30 29 28 27 26 2532 31 30 29 28 27 26 25 24 23 22 21 20 19 18 1724 23 22 21 20 19 18 17
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9. DANE ( 1887 ) OR HDERIP SYSTEMDANE ( 1887 ) OR HDERIP SYSTEM
( 1891) SYSTEM( 1891) SYSTEM
 ++8 +7 +6 +5 +4 +3 +2 +1 +1 +2 +3 +4 +5 +6+7 +88 +7 +6 +5 +4 +3 +2 +1 +1 +2 +3 +4 +5 +6+7 +8
 8 -7 -6 -5 -4 -3 -2 -1 -1 -2 -3 -4 -5 -6 -7 -88 -7 -6 -5 -4 -3 -2 -1 -1 -2 -3 -4 -5 -6 -7 -8
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10. SYSTEM DESCRIBED BY FDI ( Recent )SYSTEM DESCRIBED BY FDI ( Recent )
 18 17 16 15 14 13 12 11 21 22 23 24 25 26 27 2818 17 16 15 14 13 12 11 21 22 23 24 25 26 27 28
 48 47 46 45 43 42 41 31 32 33 34 35 36 37 3848 47 46 45 43 42 41 31 32 33 34 35 36 37 38
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11. 
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