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Volume 58, Issue 3, Pages 485-495 (July 2014)
Artifacts Interfering with Interpretation of Cone Beam Computed Tomography Images Scott R. Makins, DDS Dental Clinics Volume 58, Issue 3, Pages (July 2014) DOI: /j.cden Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 1 Beam hardening artifact adjacent a silver point in #9 and metal artifact streaks from the metal coping. Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 2 Beam hardening artifact associated with a gutta percha root canal filling. Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 3 Beam hardening artifact resembling a root fracture produced by a plastic carrier without gutta percha. Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 4 Metal artifact streaks from posts in #23 and #26. Note unfilled mesiolingual canal in #30. Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 5 Metal artifact from metal copings.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 6 Metal artifact streaks from orthodontic hardware.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 7 Ring artifact caused by calibration error.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 8 Ring artifact caused by a dead dexel in the detector.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 9 Cone beam effect artifact.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 10 Blurring and double cortices caused by motion artifact.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 11 Double cortices caused by patient motion.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 12 Motion artifact from swallowing.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 13 Aliasing pattern artifact.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 14 Artifact from an over-the-ear hearing aid outside the field of view. Note the prominent palatal torus. Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 15 Artifact from hoop earrings outside the field of view.
Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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Fig. 16 Image noise as seen in 0.076 mm3 and 1.3 mm3 voxel size reconstruction images. Dental Clinics , DOI: ( /j.cden ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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