Dental Anatomy of the Primary Dentition Root System (PENG)
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Questions and Answers

What is the typical shape of the access cavity in mandibular molars, regardless of the number of canals present?

  • Rectangle
  • Circle
  • Trapezoid (correct)
  • Triangle
  • When four or more canals are present in mandibular molars, where should the corners of the trapezoid or rhombus correspond to?

  • Apical foramen
  • Center of the tooth
  • Positions of the main orifices (correct)
  • Furcation area
  • How is the buccal wall connected in mandibular molars when multiple canals are present?

  • Connected to the lingual wall
  • Not connected to the orifices
  • Forms a straight connection between the MB and DB orifices (correct)
  • Forms a curved connection between the MB and DB orifices
  • In primary dentition, what is the approximate time for completion of eruption according to the diagram in Figure 3-1?

    <p>2-3 years old</p> Signup and view all the answers

    Which source provides information on root formation in primary dentition?

    <p>Pathways of the Pulp, 9th Edition</p> Signup and view all the answers

    According to the learning objectives, what is one of the objectives related to primary dentition?

    <p>Listing the similarities and differences in access form of primary and permanent dentition</p> Signup and view all the answers

    Where can information on the anatomy of primary incisor and molar root canals be found?

    <p>Pediatric Dentistry: March/April, 1992, Volume 14, Number 2</p> Signup and view all the answers

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