Dental Anomalies - PowerPoint PPT Presentation

dental anomalies n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Dental Anomalies PowerPoint Presentation
Download Presentation
Dental Anomalies

play fullscreen
1 / 29
Dental Anomalies
821 Views
Download Presentation
trinh
Download Presentation

Dental Anomalies

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Dental Anomalies DHY 114 Week #7

  2. Size • Macrodontia Microdontia dhedonline.com, board review

  3. Number • Hyperdontia (Supernumerary teeth) • Anodontia • Partial anodontia dhedonline.com, board review

  4. Supernumerary Teeth • Mesiodens • Distomolar (paramolar) dhedonline.com, board review Woelfel and Scheid. Dental Anatomy, Sixth Ed.,Lippincott Williams & Wilkins, Philadelphia, 2002, p. 344.

  5. Missing teeth • 3rd molars • Maxillary laterals • 2nd premolars Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 305.

  6. Shape • Dens invaginatus • (Leong’s premolar) • Tubercle in a mandibular premolar Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 316.

  7. Odontoma • Complex • mass • Compound • toothlike

  8. Dens in Dente • Tooth within a tooth • Dens invaginatus dhedonline.com, board review

  9. Dilaceration dhedonline.com, board review Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 313.

  10. Dwarfed roots • Roots are short in comparison to the crowns. Brand and Isselhard. Anatomy of Orofacial Structures, 6th ed. Mosby, St. Louis, 1998. p. 324.

  11. Gemination The tooth germ splits or divides in two. Woelfel and Scheid. Dental Anatomy, Sixth Ed.,Lippincott Williams & Wilkins, Philadelphia, 2002, p. 344. dhedonline.com, board review

  12. Fusion • B and C: • Fused mandibular central and lateral from different individuals

  13. Concrescence dhedonline.com, board review

  14. Hypercementosis • An excess of cementum Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 335.

  15. Cementoma Synonyms: • Periapical cemental dyslasia • Sclerosing cementoma Pharoah and White. Oral Radiology, Principles and Interpretation.Fourth Ed. Mosby, 2000. p. 451.

  16. Enamel Pearls dhedonline.com, board review

  17. Hutchinson’s Incisors dhedonline.com, board review

  18. Mulberry Molars dhedonline.com, board review

  19. Enamel Dysplasia • Disturbance of the enamel due to a high fever. • Left: fever between 2-3 years of age • Right: fever as a 6 week old Woelfel and Scheid. Dental Anatomy, Sixth Ed.,Lippincott Williams & Wilkins, Philadelphia, 2002, p. 344.

  20. Enamel Hypoplasia A systemic problem, such as a high fever may be the cause of the disturbance in the enamel formation. Ibsen and Phelan. Oral Pathology for the DentalHygienist, Second Edition. W. B. Saunders Company. Philadelphia, 1996.Color Plate 93. dhedonline.com, board review

  21. Enamel Hypocalcification dhedonline.com, board review

  22. Enamel Fluorosis • Examples of mottled enamel • Chalkly in the cervical and middle third • Pitting Woelfel and Scheid. Dental Anatomy, Sixth Ed., Lippincott Williams & Wilkins, Philadelphia, 2002, p. 344. Ibsen and Phelan. Oral Pathology for the Dental Hygienist, Second Edition. W. B. Saunders Company Philadelphia, 1996.Color Plate 94.

  23. Amelogenisis Imperfecta • Hereditary disorder • Pitting of enamel dhedonline.com, board review Ibsen and Phelan. Oral Pathology for the Dental Hygienist, Second Edition. W. B. Saunders Company Philadelphia, 1996. Color Plate 95.

  24. Turner’s Tooth • Disturbance of primary teeth (K,L) resulted in abnormal formation of #20 and #21. Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 325.

  25. Dentinogenesis Imperfecta swartley.blogspot.com/2009/03/dentinogenesis-imperfecta.html • Hereditary disorder, affecting primary and permanent teeth • Dentin is gray, brown or yellow (opalescent, translucent hue) • Obliterated pulp chambers (filled with dentin) and shortened roots dhedonline.com, board review Ibsen and Phelan. Oral Pathology for the Dental Hygienist, Second Edition. W. B. Saunders Company Philadelphia, 1996.Color Plate 96.

  26. Tetracycline Staining • Affects dentin • Yellow, brown to grayish blue • Tetracycline administered to pregnant mother when the crowns were forming Woelfel and Scheid. Dental Anatomy, Sixth Ed.,Lippincott Williams & Wilkins, Philadelphia, 2002, p. 346.

  27. Abnormal Root Formation • Max. 2nd premolar (2) • Max. 1st premolar (1 or 3) • Mandibular cuspid (2) • Mandibular 1st or 2nd premolar (2) • 3rd molars (atypical) Woelfel and Scheid. Dental Anatomy, Sixth Ed.,Lippincott Williams & Wilkins, Philadelphia, 2002, p. 344.

  28. What would you ask the patient if you observed these clinical and radiographic images in clinic? swartley.blogspot.com/2009/03/dentinogenesis-imperfecta.html

  29. Other resources • http://www.mchoralhealth.org/PediatricOH/mod3_5_3.htm#hyperdontia