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Anatomy of mandibular denture bearing area .ppt

| July 14, 2011 | 0 Comments

Anatomy of mandibular denture bearing area .ppt

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Anatomy of mandibular denture bearing area
Introduction
 Stress bearing or supporting area
 Peripheral or limiting area
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SUPPORTING STRUCTURES
 Crest of the residual ridge
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Buccal flange area and the buccal shelf

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Shape of the supporting structure
Flat mandibular ridges
Resorption pattern
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Mental foramen                                                           
Mylohyoid ridge                                                      
Genial tubercles
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LIMITING STRUCTURES
facial limiting structures: 


labial vestibule
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Buccal vestibule

External oblique ridge and the buccal flange
Masseter  muscle  region
Distal extension of the mandibular impression
Retromolar region and pad
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Lingual borders
Mylohyoid muscle and mylohyoid ridge
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Retromylohyoid fossa

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Sublingual gland region
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Alveololingual sulcus

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