@dentalstudio_official: 🔥 MASTER CLASS I CAVITY PREPARATION! 🦷📐 Avoid These Common Prep Mistakes | Amalgam Restoration Every dental student must master the fundamentals of cavity preparation! 🦷 Learn the clinical sequence for a Class I occlusal cavity preparation, from initial assessment to final inspection. 🔬 STEP-BY-STEP CLINICAL BREAKDOWN 🔹 Step 1: Instrument Setup — Prepare the handpiece, appropriate burs, and examination instruments for controlled cavity preparation. 🔹 Step 2: Occlusal Assessment — Inspect the pits and fissures to identify the suspected carious area and determine the appropriate outline. 🔹 Step 3: Initial Entry — Use the appropriate bur with controlled movements to enter the affected occlusal area while preserving sound tooth structure. 🔹 Step 4: Depth Assessment — Evaluate cavity depth and remaining tooth structure. Traditional teaching preparations for amalgam often use a depth around 1.5–2 mm, but the actual depth depends on the lesion, anatomy, and preparation design. 🔹 Step 5: Outline Form and Wall Refinement — Develop the required outline form, smooth irregularities, and establish appropriate wall and internal form according to operative dentistry principles. 🔹 Step 6: Resistance and Retention Form — Assess the preparation geometry to provide resistance to occlusal forces and retention of the restoration, where indicated by the chosen design. 🔹 Step 7: Final Inspection — Check the preparation with an explorer, inspect the cavosurface margins, and confirm that unnecessary removal of healthy tooth structure has been avoided. 💡 CLINICAL PEARL: Amalgam preparations traditionally require specific mechanical resistance and retention features. Do not apply a fixed depth or extend the cavity routinely without considering the lesion and remaining tooth structure. 🎓 Dental students: Save this for your preclinical operative dentistry practical and viva! 💬 QUIZ: What is the difference between resistance form and retention form? Comment below! 👇 🦷 Follow @dental.studio for operative dentistry, cavity preparation, and clinical learning. #ClassICavity #AmalgamRestoration #CavityPreparation #OperativeDentistry #DentalStudent

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Thursday 15 October 2026 08:40:00 GMT