Local factors plaque retentive factors

Recession defect Fraenal attachment

Tissue overgrowth

Furcation

Crowding

Subgingival calculus

Root groove

plaque retentive factors

Concavity

Root approximation

Overhang Enamel pearl Supragingival calculus

Restorative Local Plaque Retentive Factors

Invasion of the biological width

Subgingival margins

Overhanging margin

Over-contoured crowns

No embrasure spaces

Wrong Crown emergence profile