Calcium Hydroxide Powder
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Calcium Hydroxide Powder is a mixable, high-alkalinity dental material for pulp protection and endodontic care. It creates an antibacterial environment and stimulates reparative dentin, making it ideal for pulp capping, liners under deep restorations, intracanal medicaments, and apexification protocols. Radiopaque and easy to handle, it offers reliable biological benefits at an affordable cost—perfect for clinics seeking predictable pulp therapy and conservative treatment outcomes.
Description
Calcium Hydroxide Powder is a high-alkalinity dental material used for pulp protection and endodontic therapy. When mixed with sterile water, saline, or glycerin, it forms a creamy paste that releases hydroxyl ions. This creates an antibacterial environment and stimulates the formation of reparative dentin, helping preserve tooth vitality in deep cavities and during root canal procedures.
Key features and benefits:
• Strong alkaline action for broad antimicrobial effect
• Encourages tertiary dentin formation and pulpal healing
• Radiopaque for easy identification on X-rays
• Mix-on-demand powder gives control over consistency and setting behavior
• Compatible with a wide range of liners, bases, and root canal sealers
Common clinical uses:
• Indirect and direct pulp capping in deep carious lesions
• Protective liner beneath definitive restorations in vital teeth
• Intracanal medicament between endodontic appointments
• Apexification or apexogenesis protocols in immature teeth
• Temporary dressing in symptomatic cases prior to final treatment
How it compares:
• Versus zinc oxide–eugenol liners: offers biological stimulation rather than only sealing.
• Versus calcium silicate cements (e.g., MTA-type materials): easier to mix and more economical, though modern silicates may provide stronger long-term sealing where moisture control is difficult.
Handling guidance:
• Mix powder with chosen liquid to a smooth paste; adjust viscosity for pulp capping or intracanal placement.
• Place in a thin layer for liners; avoid contact with enamel margins.
• Replace temporary medicaments at follow-up and proceed with definitive restoration once symptoms resolve.
Good practice:
• Use clean instruments and fresh mixes to ensure consistent alkalinity.
• Store tightly closed to prevent moisture uptake.
• For composite restorations, cover with a compatible barrier or base.
Calcium Hydroxide Powder remains a staple for conservative dentistry and endodontics, valued for its simplicity, affordability, and proven ability to protect the pulp and support long-term tooth survival.
