BIOLOGY | MEDICAL | HEALTH on Instagram: "When bacteria enter a tooth through deep cavities, cracks, or trauma, they infect the pulp (the soft tissue containing nerves and blood vessels). This causes intense pain, swelling, and can even spread infection to the jaw if left untreated. 👉 Root canal treatment is designed to save the natural tooth instead of removing it. Here’s how it works: 1️⃣ Access Opening – The dentist makes a small opening to reach the infected pulp. 2️⃣ Remove Infection – Inf

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