<prompt> Which of the following is Initial Tooth Preparation stage?External wall finishingPulp protectionConvenience formDebridement and inspection  <response>: Initial Tooth Preparation StageStep 1: Initial depth and outline form.Step 2: Primary resistance form.Step 3: Primary retention form.Step 4: Convenience form.Final Tooth Preparation StageStep 5: Removal of defective restorative material andor soft dentin.Step 6: Pulp protection.Step 7: Secondary resistance and retention forms.Step 8: External wall finishing.Step 9: Final procedures: debridement and inspection. Reference: Sturdevant operative dentistry 7th edition, Page No:125 