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Silver point:
- Uses of silver point: ease of handing and placement, ductility, radiopacity,and have some antibacterial activity.- Lack of acceptable 3D seal of the canal system.- Produce a plug in the apical constriction while not sealing the accessory canals.- Corrode over time contact with tissue fluids and certain chemicals used in endodontics including sodium hypochlorite and some sealers.- Corrosion occurs mainly at the apical and coronal portions result in loss of apical seal.- Cytotoxicity of corrosion product corrosion such as silver sulfide, silver sulfate, silver carbonate, and silver amine hydrate.
Silver point removal:
Easy retrieval of silver point
- Extended point within pulp chamber.- Sealing:- Type of cement- Apical retention- Chronic leakage- Corrosion- Imbedded within coronal restoration
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