Shapes of Access cavity preparations of Mandibular Teeth

Access cavity preparation is a step of Root Canal Treatment which marks the start of RCT and is one of the most important step as it requires knowledge of location and number of Root Canals present in every tooth, to understand the proper technique and location of starting and preparing the Access Cavity.

Here is the image and the details of the Shapes of Access Cavities of Mandibular Teeth:

Mandibular access cavity shapes

Mandibular access cavity shapes

  1. Mandibular Central Incisor: Access cavity is Oval in shape with longest diameter incisogingivally
  2. Mandibular Lateral Incisor: Access cavity is Oval in shape with longest diameter incisogingivally
  3. Mandibular Canine: Oval shape with greatest diameter Labiopalatally, root canal is narrower in mesio-distal dimension
  4. Mandibular 1st Premolar: Access cavity is Oval in shape and is wider Mesio-distally compared to Maxillary 1st premolar
  5. Mandibular 2nd Premolar: Access cavity is Oval in shape and is wider Mesio-distally
  6. Mandibular 1st Molar: Access cavity is Trapezoidal or Rhomboid in shape
  7. Mandibular 2nd Molar: Access cavity is Trapezoidal or Rhomboid in shape

Shapes of Access Cavity Preparations in Maxillary Teeth

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