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© l.m.brocklebank The clinical value of X-ray images of the teeth and jaws Laetitia BROCKLEBANK University of Glasgow, Scotland
© l.m.brocklebank Wilhelm Roentgen 27.03.1845 Lennep 8.11.1895 Wurzburg
© l.m.brocklebank von Köllikers hand
© l.m.brocklebank why X-ray the teeth and jaws ?
© l.m.brocklebank Abnormalities affecting the teeth and jaws developmental traumatic inflammatory cystic neoplastic osteodystrophies metabolic/systemic idiopathic foreign bodies
© l.m.brocklebank Presentation plan what is a radiographic image? radiographic views for teeth and jaws critical production factors types of abnormalities normal dental development examples
© l.m.brocklebank Image - radiographic image a pictorial representation of a part of the body a record of the pattern of attenuation of the X-ray beam after it has passed through matter
© l.m.brocklebank Dental radiographic views Intra-oral bitewings periapicals occlusals Extra-oral panoramic
© l.m.brocklebank Bitewings side teeth (premolars and molars) symmetry of upper and lower teeth minimal overlap of adjacent teeth inter-dental bone
© l.m.brocklebank Periapical shows the full length of at least one tooth peri = around apical - the apex or tip of the tooth surrounding anatomical features
© l.m.brocklebank Periapical similar to a zoom image
© l.m.brocklebank Panoramic like a wide-angle view
© l.m.brocklebank Occlusal radiography
© l.m.brocklebank Critical production factors adequate kV: 60-70 for intra-orals fastest image receptor available – F, E or digital correct positioning: use of film holders correct horizontal and vertical angulation appropriate collimation correct exposure time proper processing facilities
© l.m.brocklebank Abnormalities affecting the teeth and jaws - examples developmental traumatic inflammatory cystic neoplastic osteodystrophies metabolic/systemic idiopathic foreign bodies artefacts iatrogenic
© l.m.brocklebank Normal dental development permanent - 32: – incisors - 8 – canines - 4 – premolars - 8 – molars - <12 deciduous - 20: – incisors - 8 – canines - 4 – premolars - 0 – molars - 8
© l.m.brocklebank Dental development and abnormalities number – increase or decrease position form – individual or multiple
© l.m.brocklebank Inflammatory lesions tooth - dental caries (decay) supporting structures – periodontal disease - bone level – around the root tip bone - inflammation and infection
© l.m.brocklebank Cystic lesions of the jaws odontogenic – radicular – dentigerous – keratocyst non-odontogenic – nasopalatine – solitary bone cyst – Stafne cavity
© l.m.brocklebank Neoplastic, odontogenic benign – cementomas – cementifying fibroma – myxoma ameloblastoma * adenomatoid odontogenic tumour calcifying epithelial odontogenic tumour
© l.m.brocklebank Neoplastic, odontogenic ameloblastoma * male, 15, clinical expansion definite root resorption thinning of cortex lingually no cortex evident buccally findings suggest a locally aggressive lesion
© l.m.brocklebank What do you see?
© l.m.brocklebank family group Bart van der Leck The family, 1921
© l.m.brocklebank Hidden pathology
EXPOSURE AND TECHNIQUE ERRORS DA 105. Dental Radiography Questions What film exposure and technique errors may be observed on dental radiographs? What.
Copyright ©2012 by Pearson Education, Inc. All rights reserved. Essentials of Dental Radiography for Dental Assistants and Hygienists, Ninth Edition Evelyn.
Copyright © 2012, 2006, 2000, 1996 by Saunders, an imprint of Elsevier Inc. Chapter 20 Exposure and Technique Errors.
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Copyright © 2012, 2006, 2000, 1996 by Saunders, an imprint of Elsevier Inc. Chapter 18 Bisecting Technique.
Resource Reading: Chapter 17 – pp. 158 – end of chapter.
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SHAMA ISMAIL 12BME28.. Dental X-ray machine also called Dental Radiograph, are the most valuable tools, a dentist has for keeping your mouth and teeth.
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Copyright © 2012, 2006, 2000, 1996 by Saunders, an imprint of Elsevier Inc. Chapter 21 Occlusal and Localization Techniques.
Object Localization. To obtain three-dimensional information of location of an object such as: Foreign bodies Impacted, unerupted teeth Supernumerary.
M. Malik Afroz. FORMAT INTRODUCTION HISTORY CLASSIFICATION OF FILMS COMPOSITION OF FILMS CONCLUSION.
DA118, Chapter 18. Bisecting is based on the simple geometric rule of isometry, which states two triangles are equal if they have two equal angles and.
RADIOGRAPHIC INTERPRETATION. Interpretation: Step by step analytical process that provides an exact idea of the clinical problem and helps to achieve.
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 1 PowerPoint ® Presentation for Dental Radiology with Labs Module: Dental Radiology.
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Paralleling Technique. Head Position Head position for the paralleling technique is not critical, since you will be aligning the PID with the ring. However,
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Dental Directional Terminology Rostral refers to a structure that is closer to the front of the head in comparison with another structure. Caudal describes.
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1 MEET DEXTER!. 2 Our TOUGHEST Patient! 3 Your Clinical Requirements DEXTER- FOR PRACTICE –A FULL SERIES USING ANALOG FILM AND RINNS. –A FULL SERIES.
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