21/07/2026
എന്തു കൊണ്ട് പാൽപ്പല്ലുകൾ cap/crown ചെയ്യണം?-
Placing a full coverage crown (such as a stainless steel crown for primary molars or zirconia/composite crowns) after a pulpectomy is critical for several key biological and mechanical reasons:
1. Severe Loss of Tooth Structure
Extensive Decay: A tooth requiring a pulpectomy usually has deep coronal caries that have already destroyed a significant portion of enamel and dentin.
Access Cavity Prep: Creating the endodontic access cavity further unroofs the pulp chamber and removes internal tooth mass, weakening the marginal ridges and cuspal support.
2. Increased Brittleness & Loss of Vitality
Dehydration & Moisture Loss: Once the vital pulp tissue (blood supply and nerves) is removed, the tooth loses its internal hydration and proprioceptive response, making the remaining tooth structure significantly more brittle and prone to fracture under normal occlusal forces.
3. Prevention of Coronal Microleakage
Hermetic Seal: Fillings alone (like composite or glass ionomer) can micro-leak over time at the margins due to polymerization shrinkage or breakdown under chewing forces.
Re-infection Risk: Microleakage allows bacteria and oral fluids to pe*****te down into the root canals
4. Preservation Until Exfoliation
Primary Tooth Longevity: For primary molars, the tooth must often function for several more years until normal physiological exfoliation occurs. A simple filling has a much higher failure rate over that timeframe compared to a preformed crown, which protects the tooth from vertical root fractures or catastrophic cuspal breakage.
Key Clinical Takeaway: The crown doesn’t just restore aesthetics and chewing function-it acts as a physical shield protecting the compromised, devitalized tooth structure from fracture while locking out bacteria to ensure long- term treatment success.
