2'2 Pericoronal radiolucencies - PowerPoint PPT Presentation

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2'2 Pericoronal radiolucencies

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2-2-4 Dentigerous Cyst. 2-2-5 Mural ameloblastoma. 2-2-6 AOT. 2 ... impaction of upper canine. 2-2-2 Pericoronitis *locate at distal aspect of lower 3rd molar ... – PowerPoint PPT presentation

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Title: 2'2 Pericoronal radiolucencies


1
2.2 Pericoronal radiolucencies
  • 2-2-1 Dental Follicle
  • 2-2-2 Pericoronitis
  • 2-2-3 Paradental Cyst
  • 2-2-4 Dentigerous Cyst
  • 2-2-5 Mural ameloblastoma
  • 2-2-6 AOT

2
2-2-1 Dental follicle
  • Well-defined, unilocular,
  • round-shaped radiolucence
  • A well-corticated margin
  • Surround the crown of
  • an impact tooth
  • Size

3
2-2-1 Dental follicle
  • dental folliclea supporting tissue
  • in the period of tooth developing
  • cap stage?bell stage
  • impaction of upper canine

4
2-2-2 Pericoronitis
  • locate at distal aspect of lower 3rd molar
  • extend from distal aspect of the lower 3rd
    molars crown to the ramus of mandibular bone
  • radiolucence
  • poor-defined
  • surrouned by
  • soft tissue (gingiva)
  • the crown of tooth 38.

5
2-2-2 Pericoronitis
  • Sitedistal aspect of lower 3rd molar
  • The space for developing lower 3rd molar is not
    enough.
  • Failure degeneration of enamel epithelium
  • (??ppt)

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