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Isolation in endodontic

isolation

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Isolation in endodontic

  1. 1. Presentedby: MohamedG.R.. MahmoudS.M.
  2. 2.  Endodontic ttt can not be expressed properly unless the moisture in the mouth is properly controlled
  3. 3.  Moisture control  Retraction  Harm prevention
  4. 4. Patient related: A. Provides comfort to the patient B. Protect patients from swallowing or aspirating foreign bodies C. Protect patients soft tissues by retracting them. Operator related: A. A dry clean operative field B. Infection control C. Increased accessibility to operative site D. Improved properties of dental materials E. Improved visibility & less fogging of mirror F. Prevents contamination of tooth preparation.
  5. 5.  Saliva  Tongue  Mandible  Lips & cheek  Gingival tissue  Buccal & lingual vestibule  Floor of the mouth  Adjacent teeth and restoration  Respiratory moisture
  6. 6. 1. Rubber Dam 2. Cotton rolls & cellulose wafers 3. Throat shields 4. High volume evacuators & saliva ejector 5. Mirror & evacuator tip retractor 6. Mouth props 7. Air Water syringe 8. Cheek retractor 9. Drugs
  7. 7. A. Act as a raincoat for the tooth. B. Complete, long term moisture control. C. Maximizes access and visibility. D. Clean dry field while working. E. Protect lips, cheeks & tongue by keeping them aside. F. Prevents accidental swallowing or aspiration of foreign bodies. G. Improves the properties of dental materials A. Takes time to be applied. B. Communication with the patient can be difficult. C. Incorrect use may damage porcelain crowns/gingival tissues. D. Insecure clamps can be swallowed or aspirated. • Advantage • Disadvantage
  8. 8. Contraindication  Asthmatic patients.  Allergic to latex  Mouth breathers  Extremely malpositioned teeth  Third molar (in some cases)
  9. 9.  Cotton rolls, gauze & cellulose wafers absorbents are helpful for short period of isolation of the teeth especially where rubber dam application is not possible.  Usually placed in Buccal & lingual sulcus specially where salivary gland ducts exit, to as to absorb saliva.
  10. 10.  Throat shield is important specially when the maxillary tooth is being treated.  An unfold gauze is stretched over the tongue and posterior part of the mouth.  Avoid aspiration of restorations.
  11. 11.  It is used to remove water from air motor with high suction speed.  Also helps in retracting the soft tissues.
  12. 12.  A secondary function of the mirror and evacuator tip is to retract the cheek, lip & tongue
  13. 13.  Mouth prop is also used to establish & maintain a suitable mouth opening, thus help in tooth preparation of posterior tooth.  It is placed on the opposite to treatment side.  Provides sufficient mouth opening for longer times.
  14. 14.  They are used to expand the mouth opening.  This is usually use when working on the gingival border of upper & lower front teeth and for the adjustment of orthodontic bands.
  15. 15.  By air water syringe an air blast can be useful to dry tooth and soft tissue during examination or used during procedure.
  16. 16.  The use of drugs to control salivation is rarely indicated in restorative therapy, and is generally limited to atropine.  Contraindicated for nursing mothers, and patients with glaucoma.
  17. 17. By all these we can achieve a moisture free mouth for better operative and endodontic procedure.
  18. 18.  When its not possible to isolate a tooth …. WHAT TO DO?????
  19. 19. THANK YOUTHANK YOUTHANK YOUTHANK YOUTHANK YOUTHANK YOUTHANK YOUTHANK YOU
  20. 20. Pickard’s manual of Operative Dentistry Internet

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