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Dental Anomalies. DHY 114 Week #7. Size. Macrodontia Microdontia. dhedonline.com , board review. Number. Hyperdontia (Supernumerary teeth) Anodontia Partial anodontia. dhedonline.com , board review. Supernumerary Teeth. Mesiodens Distomolar (paramolar).
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Dental Anomalies DHY 114 Week #7
Size • Macrodontia Microdontia dhedonline.com, board review
Number • Hyperdontia (Supernumerary teeth) • Anodontia • Partial anodontia dhedonline.com, board review
Supernumerary Teeth • Mesiodens • Distomolar (paramolar) dhedonline.com, board review Woelfel and Scheid. Dental Anatomy, Sixth Ed.,Lippincott Williams & Wilkins, Philadelphia, 2002, p. 344.
Missing teeth • 3rd molars • Maxillary laterals • 2nd premolars Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 305.
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.
Odontoma • Complex • mass • Compound • toothlike
Dens in Dente • Tooth within a tooth • Dens invaginatus dhedonline.com, board review
Dilaceration dhedonline.com, board review Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 313.
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.
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
Fusion • B and C: • Fused mandibular central and lateral from different individuals
Concrescence dhedonline.com, board review
Hypercementosis • An excess of cementum Pharoah and White. Oral Radiology, Principles and Interpretation. Fourth Ed. Mosby, 2000. p. 335.
Cementoma Synonyms: • Periapical cemental dyslasia • Sclerosing cementoma Pharoah and White. Oral Radiology, Principles and Interpretation.Fourth Ed. Mosby, 2000. p. 451.
Enamel Pearls dhedonline.com, board review
Hutchinson’s Incisors dhedonline.com, board review
Mulberry Molars dhedonline.com, board review
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.
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
Enamel Hypocalcification dhedonline.com, board review
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.
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.
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.
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.
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.
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.
What would you ask the patient if you observed these clinical and radiographic images in clinic? swartley.blogspot.com/2009/03/dentinogenesis-imperfecta.html
Other resources • http://www.mchoralhealth.org/PediatricOH/mod3_5_3.htm#hyperdontia