Conservative approach

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It's an introduction about Conservative Dentistry which include cavity classes and endodontic therapy.

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Conservative approach

  1. 1. Conservative approach<br />Prepared by Dr. ManalFarouk<br />Umm Al Qura University<br />Faculty of Dentistry<br />
  2. 2. operative dentistry is the art and science that deals with diagnosis, treatment, and prognosis of defects of teeth that don't require full coverage restorations for correction<br />
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  4. 4. conservative treatment starts first with the removal of decay and then replacement the missed part with a suitable restorative material<br />
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  6. 6. caries removal is done through either hand instruments that remove the soft caries or rotary instruments that remove the hard caries <br />
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  12. 12. after caries removal the cavity is prepared according to certain criteria or specifications that classify the cavity into 6 classes <br />
  13. 13. class 1 that includes only the occlusal surface of posterior tooth<br />
  14. 14. class 2 includs the proximal surface of posterior teeth<br />
  15. 15. class 3 includes the proximal surface of anterior teeth <br />
  16. 16. class 4 includes the proximal surface of anterior teeth including incisal angel <br />
  17. 17. class 5 includes the gingival third of the tooth<br />
  18. 18. class 6 includes the cusp tip of posterior teeth<br />
  19. 19. then cements materials are applied to prevent thermal effects, chemical irritations, and electrical stimulations <br />
  20. 20. then cements materials are applied to prevent thermal effects, chemical irritations, electrical<br />
  21. 21. the selected final restorative material are then applied <br />
  22. 22.
  23. 23. Endodontic therapy<br />
  24. 24. Pulp is the most inner structure of the tooth it is composed of soft tissue consisting of nerves, blood vessels, and cells. It has many functions <br />
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  26. 26.
  27. 27. pulp functions : the pulp performs 5 main functions some formative, and others supportive <br />Induction<br />Pulp participates in the initiation and development of enamel<br /> <br />Formation<br />Odontoblasts form dentin these highly specialized cells participate in dentine formation<br /> <br />
  28. 28. Nutrition<br />Pulp supplies nutrients that are essential for dentin formation<br /> <br />Defense:<br />Odontoblasts form dentin in response to injury, particularly when the original dentin thickness has been reduced due to caries, attrition, trauma, or restorative procedures<br />
  29. 29. Sensation:<br /> Pulp transmits neural sensation mediated through enamel or dentin to the higher nerve centers. These stimuli are usually expressed clinically as pain<br /> <br />
  30. 30. Indications<br />Pulp exposure<br />Periapical lesion<br />Pulp death ( trauma)<br />Intentional endodontic treatment<br />
  31. 31. Diagnosis<br />Thermal pulp tester: a) cold b) hot<br />Electrical pulp tester <br />Percussion test<br />Radiography<br />
  32. 32. Procedures<br />Access preparation: differs with the difference of tooth anatomy<br />Cleaning and shaping: mechanical or chemical<br />Obturation: guttapercha or silver cones<br />Follow up: during the first two years<br />

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