GCF
Alveolar bone AB Alveologingival fibres AGF Cementum CE Circular fibres CF Dentogingival fibres DGF
SE OE GC
Sulcular/ crevicular epithelium
EN
JE
Enamel EN
External oral epithelium EOE GCT Gingival connective tissue GS Gingival sulcus JE Junctional epithelium SE Sulcular epithelium RR Rete ridges
CF
GCT
enamel
RR
DGF
DGF
AGF
PL
Principal fibres of periodontal ligament
enamel
CE
PDL
AB
Terminal cell of JE
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