Anatomical Landmarks : in Maxilla and Mandible

September 7, 2011 | By | Reply More

Anatomical Landmarks : in Maxilla and Mandible:

Anatomical Landmarks in maxilla:

Anatomical Landmarks in maxilla can be broadly grouped into:

LIMITING STRUCTURES:

  • Labial frenum
  • Labial Sulcus
  • Buccal frenum
  • Buccal Sulcus
  • Hamular notch
  • Posterior palatal seal  area

RELIEF AREAS:

  • Incisive papilla
  • Ridge, cuspid eminence , malar bone
  • Fovia palatinus
  • Midpalatine suture

SUPPORTING STRUCTURE:

♦Primary stress bearing area:

  • Horizontal portion of hard palate
  • Residual alveolar ridge

♦Secondary stress bearing area:

  • Maxillary tuberosity
  • rugae
  • crest of alveolar ridge

Anatomical Landmark in the Mandible

Limiting structure:

  • Labial frenae
  • Labial sulcus
  • buccal frenae
  • buccal sulcus
  • lingual frenae
  • alveololingual sulcus
  • Retromolar pads
  • Pteregomandibular raphe or ligament

RELIEF AREAS:

  • crest of alveolar ridge
  • mental foramen
  • mylohyoid ridge
  • torus mandibularis

SUPPORTING STRUCTURE:

♦Primary stress bearing area:

  • buccal shelf

♦Secondary stress bearing area

  • Residual ridge

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Category: Dental, Prosthodontics

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