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Lecture

Lecture. Impacted teeth. Odontogenic periostitis of jaws. IMPACTED TEETH. An impacted tooth is one that is partially erupted or unerupted and will not eventually assume a normal arch relationship withother teeth and tissues. Causes of Impacted Teeth. Role of civilization

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Lecture

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  1. Lecture Impacted teeth. Odontogenic periostitis of jaws.

  2. IMPACTED TEETH • An impacted tooth is one that is partially erupted or unerupted and will not eventually assume a normal arch relationship withother teeth and tissues.

  3. Causes of Impacted Teeth • Role of civilization • Local causes of Impaction • Systemic causes of impaction

  4. Local causes of Impaction • Lack of space in the dental arch for eruption ; • The density of the overlying or surrounding bone; • Long continued chronic inflammation with resultant increase in the density of the overlying mucous membrane; • Premature loss of the primary teeth; • Acquired diseases, such as necrosis due to infection or abscesses, and inflammatory changes in the bone due to exanthematous diseases in children;

  5. Lack of space in the dental arch for eruption

  6. Impacted teeth occur in the following order • Mandibular third molars • Maxillary third molars • Maxillary cuspids • Mandibular bicuspids • Mandibular cuspids • Maxillary bicuspids • Maxillary central incisors • Maxillary lateral incisors • Maxillary or mandibular first molars are rarely impacted

  7. Impacted teeth

  8. Classification of impacted mandibular third molars • A. Relation of the tooth to the ramus of the mandible and the second molar; • B. Relative depth of the third molar in bone; • C. The position of the long axis of the impacted mandibular third molar in relation to the long axis of the second molar : vertical, horizontal, inverted, mesioangular, distoangular, buccoangular, linguangular.

  9. Classification of impacted mandibular third molars

  10. Radiographic visualization of impacted teeth

  11. The removal of impacted mandibular third molars

  12. Scheme of Periconitis

  13. Scheme of Periostitis ( upper jaw )

  14. Scheme of Periostitis ( lower jaw )

  15. Acute Periostitis left upper jaw

  16. Acute Periostitis left lover jaw

  17. Acute Periostitis of hard pallate

  18. Surgical treatment of periostitis

  19. Treatment of abscess of hard pallatine

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