Bitewing Technique and Errors
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Bite-wing and technique errors lecture1
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Bitewing Technique and Errors
- 1. Bitewing Technique,Bitewing Technique, andand Technique ErrorsTechnique Errors
- 2. Bitewing Film Patient bites a “wing” or tab that had been placed on the film. Bitewing film
- 3. Anatomical structures found in aAnatomical structures found in a bitewing filmbitewing film Crestal bone Crowns Interproximal areas
- 4. Bitewing films usesBitewing films uses Interproximal caries Crestal bone levels Restorations contours
- 5. Bitewing holderBitewing holder Bitewing tabBitewing tab Rinn XCP Bite-Wing Instrument Bite-Wing Tab
- 6. Basic principlesBasic principles Stabilization: Patient bites on the bite-wing tab or film holder. Film is placed parallel to the crowns X-ray beam: is directed through the contacts of the teeth.
- 7. Patient preparationPatient preparation 1.1. Explain procedureExplain procedure 2.2. Position the patient upright in the chairPosition the patient upright in the chair 3.3. Adjust the headrestAdjust the headrest 4.4. Place and secure the lead apronPlace and secure the lead apron 5.5. Remove all objects from the mouthRemove all objects from the mouth
- 8. Bitewing Technique -TABSBitewing Technique -TABS Not recommended. Film slides easily within loop and may end up out of position antero- posteriorly. Recommended Stick on
- 9. Molar - Toward front of film Premolar - Centered A-P Bitewing Technique -TABSBitewing Technique -TABS
- 10. Bite-wing technique - RinnBite-wing technique - Rinn
- 11. Bitewing TechniqueBitewing Technique Head Position MSP head supported by headrest Horizontal Angulation
- 12. Bitewing TechniqueBitewing Technique Film Placement Position of dot doesn’t matter Premolar Molars with 3rd molar Molars without 3rd molar
- 13. Premolar Bitewing: covers the distal of upper and lower canine, both premolars, first molar and at least a portion of second molar. Molar Bitewing: covers molars.
- 14. If third molars are not erupted into the mouth, the film should be positioned more anteriorly. Make sure ¼” of film extends posterior to second molar.
- 18. Bite-wing technique - RinnBite-wing technique - Rinn Correct Incorrect Incorrect
- 21. 20º 0º Vertical Angulation Bitewing TechniqueBitewing Technique ONLY WITH TABS!!!!!
- 22. Vertical AngulationVertical Angulation with TABSwith TABS
- 23. +10
- 24. cotton roll
- 25. If lingual tori are present, the film must be placed lingual to the torus Make sure the film clears the palatal gingiva as the patient closes to keep film from being pushed down into mandible
- 26. Vertical bite-wingsVertical bite-wings Long axis of film vertical Show advanced periodontitis 3 anterior, 4 posterior +10 vertical angulation (tabs)
- 30. BITEWING ERRORS
- 31. Bite-wing Technique ErrorsBite-wing Technique Errors Patient is not biting on the bite block
- 32. Bite-wing Technique ErrorsBite-wing Technique Errors Film placement
- 33. Bite-wing Technique ErrorsBite-wing Technique Errors Film placement
- 34. Bite-wing Technique ErrorsBite-wing Technique Errors Film placement
- 35. Bite-wing Technique ErrorsBite-wing Technique Errors Film bending
- 36. Bite-wing Technique ErrorsBite-wing Technique Errors Film bending
- 37. Bite-wing Technique ErrorsBite-wing Technique Errors Horizontal angulation
- 38. Bite-wing Technique ErrorsBite-wing Technique Errors Single overlap. Technique OK
- 39. Bite-wing Technique ErrorsBite-wing Technique Errors Cone cut
- 40. Bite-wing Technique ErrorsBite-wing Technique Errors Film Reverse