Normal Radiographic Appearances / Anatomy -

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Normal Radiographic Appearances / Anatomy -. Juan F. Yepes, DDS, MD, MPH. Assistant Professor Division of Oral Diagnosis, Medicine and Radiology ODM 820 Spring 2009. Diagnosis vs. Interpretation. Normal Radiographic Appearances. - PowerPoint PPT Presentation

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Normal RadiographicAppearances / Anatomy -Juan F. Yepes, DDS, MD, MPHAssistant ProfessorDivision of Oral Diagnosis, Medicine and RadiologyODM 820 Spring 2009Juan F. Yepes, DDS, MD1Diagnosis vs. InterpretationJuan F. Yepes, DDS, MD2Normal Radiographic Appearances Diagnosis is the responsibility of the clinician caring for the patient.Juan F. Yepes, DDS, MD3Normal Radiographic Appearances Interpretation is the result of evaluation of specific circumscribed tests or investigative procedures, such as radiology, and may be carried out by a specialist or the clinician caring for the patient. Juan F. Yepes, DDS, MD4Normal Radiographic Appearances Diagnosis (dia: through; gnosis: knowledge) is the result of gathering knowledge via the history, clinical examination, and any other investigative procedures that are deemed necessary.Juan F. Yepes, DDS, MD5Normal Radiographic Appearances It is possible that the radiologic interpretation may seem to provide all of the information that is needed for the diagnosis...Juan F. Yepes, DDS, MD6Normal Radiographic Appearances but it must still be correlated with the clinical findings before a diagnosis is made.Juan F. Yepes, DDS, MD7Normal Radiographic Appearances Terminology is of importance. It will guide us in organizing our thoughts, allow us to search for information that we need, explain this to our patients, and communicate accurately with our colleagues.Juan F. Yepes, DDS, MD8Normal Radiographic Appearances Radiolucent An adjective used to describe any substance (part of the patient) that readily permits the transmission of x rays.Juan F. Yepes, DDS, MD9Normal Radiographic Appearances Radiopaque An adjective used to describe any substance (part of the patient) that blocks the transmission of x rays.Juan F. Yepes, DDS, MD10Normal Radiographic Appearances Note Both adjectives refer to the object not the image on the radiograph. The terms are relative. Bone is more radiopaque than soft tissue, but more radiolucent than enamel.Juan F. Yepes, DDS, MD11Normal Radiographic Appearances Density An adjective used to describe the ability of the film (or part of the film) to block the transmission of light. In other words, it refers to the blackness of all or part of the film.Juan F. Yepes, DDS, MD12Normal Radiographic Appearances Contrast The difference in density of two neighboring areas on the radiograph (usually determined using a stepwedge).Juan F. Yepes, DDS, MD13Normal Radiographic Appearances Detail The visibility of the fine structure in the image of the object under investigation.Juan F. Yepes, DDS, MD14Normal Radiographic Appearances Definition The sharpness of the image of the fine structure of the object under investigation.Juan F. Yepes, DDS, MD15Normal Radiographic Appearances Relative Radiopacities/RadiolucenciesMost RadiopaqueMost RadiolucentMetal (restorations, suture, bullet fragments) Radiopaque white restorations and cements Enamel Dentin Cementum Cortical Bone Cancellous Bone Calculus, dystrophic calcification Soft tissues (including normal cartilage) Body Fluids Radiolucent white restorations and cements Fat Air Juan F. Yepes, DDS, MD16Normal Radiographic Appearances

CementMetal (Amalgam)EnamelDentinCementumSoft tissue (Pulp)Soft tissue (Periodontal ligament)Soft tissue (Gingiva)AirCortical boneCancellous boneJuan F. Yepes, DDS, MD17Normal Radiographic Appearances Radiographic Appearances of TeethJuan F. Yepes, DDS, MD18Normal Radiographic Appearances

Juan F. Yepes, DDS, MD19Normal Radiographic Appearances

Juan F. Yepes, DDS, MD20Normal Radiographic Appearances

Juan F. Yepes, DDS, MD21Normal Radiographic Appearances

Juan F. Yepes, DDS, MD22Normal Radiographic Appearances Pulp Chamber And Root Canal Juan F. Yepes, DDS, MD23Normal Radiographic Appearances Juan F. Yepes, DDS, MD24Normal Radiographic Appearances Alveolar Process and AlveoliJuan F. Yepes, DDS, MD25Normal Radiographic Appearances

Alveolar processAlveolusBasal boneJuan F. Yepes, DDS, MD26Normal Radiographic Appearances Lamina DuraJuan F. Yepes, DDS, MD27Normal Radiographic Appearances

Juan F. Yepes, DDS, MD28Normal Radiographic Appearances

Juan F. Yepes, DDS, MD29Normal Radiographic Appearances

Juan F. Yepes, DDS, MD30Normal Radiographic Appearances Periodontal Ligament SpaceJuan F. Yepes, DDS, MD31Normal Radiographic Appearances Juan F. Yepes, DDS, MD32Normal Radiographic Appearances Juan F. Yepes, DDS, MD33Normal Radiographic Appearances Juan F. Yepes, DDS, MD34Normal Radiographic Appearances Juan F. Yepes, DDS, MD35Normal Radiographic Appearances

Juan F. Yepes, DDS, MD36Normal Radiographic Appearances

Juan F. Yepes, DDS, MD37Normal Radiographic Appearances Juan F. Yepes, DDS, MD38Normal Radiographic Appearances

Juan F. Yepes, DDS, MD39Normal Radiographic Appearances Crest of the Alveolar ProcessJuan F. Yepes, DDS, MD40Normal Radiographic Appearances

Juan F. Yepes, DDS, MD41Normal Radiographic Appearances

Juan F. Yepes, DDS, MD42Normal Radiographic Appearances

Juan F. Yepes, DDS, MD43CONCLUSIONSJuan F. Yepes, DDS, MD44