Moisture control /certified fixed orthodontic courses by Indian dental academy

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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.

Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078

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Moisture control /certified fixed orthodontic courses by Indian dental academy

  1. 1. MOISTURE CONTROL INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  2. 2. Definition • Refers to exculding sulcular fluid, saliva and gingival bleeding from the operating field. • Refers to preventing the hand piece spray and restorative debris from being swallowed or aspirated by the patient. www.indiandentalacademy.com
  3. 3. NEED FOR FLUID CONTROL AND HEMOSTASIS Hydrophillic material Hydrophobic material Increased wettability Decreased wettability Decreased contact angle. Toloerate and displace moisture Increased contact angle. Do not tolerate and displace moisture. www.indiandentalacademy.com
  4. 4. • Dry, clean operating field. • Access and visibility. • Enhance the properties of dental materials. • Protection of the patient and operator. • Increases operating efficiency. • Successful impression making. www.indiandentalacademy.com
  5. 5. IMPORTANCE OF MOISTURE CONTROL IN IMPRESSION MAKING • Irreversible hydrocolloid (alginate) • Reversible hydrocolloid(agar-agar) • Poly ether elastomers • Polysulfide • Addional polyvinyl siloxane • Condensation polyvinyl siloxane www.indiandentalacademy.com HYDROPHILLIC MATERIALS HYDROPHOBIC MATERIALS
  6. 6. • DONE BY– RUBBER DAM. – HIGH VOLUME EVACUATOR – SALIVA EJECTOR – SVEDOPTER – ABSORBENTS – ANTI SLILOGOGUES www.indiandentalacademy.com
  7. 7. RUBBER DAMARMAMENTARIUM www.indiandentalacademy.com
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  10. 10. RUBBER DAM • Most effective of all isolation device especially in restorative dentistry. • Limited application in cast restoration www.indiandentalacademy.com
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  12. 12. HIGH VOLUME EVACUATORS • Used in preparatory phase along with an assistant • Suction of water and debris from the mouth. www.indiandentalacademy.com
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  15. 15. SALIVA EJECTORS • Removes saliva that collects on the floor of the mouth • Placed in corner of mouth opposite to the quadrant being operated • Disposable inexpensive plastic material preshaped according to operators use • Used effectively by lone dentist www.indiandentalacademy.com
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  18. 18. SVEDOPTER • Function both as saliva ejector and tongue retractor • Consists of metal saliva ejector with attached tongue deflector • Used effectively in mandibular teeth www.indiandentalacademy.com
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  20. 20. DRAW BACKS • Reduced access to lingual surfaces mandibular teeth • Bruises tender soft tissue in floor mouth • Cannot be used in presence mandibular tori www.indiandentalacademy.com of of of
  21. 21. ABSORBENTS • • • Cotton rolls and cellulose wafers Used in short periods of isolation Along with saliva ejectors reduces salivary flow • PLACEMENT – Maxillary teeth – Mandibular teeth - Adjacent vestibule Between teeth and tongue www.indiandentalacademy.com
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  25. 25. ANTI SIALOGOGUES • Gastro intestional anti cholinergics acting on smooth muscles and biliary tract • Produces dry mouth as side effect • Serves in patients with ineffective isolation by mechanical devices www.indiandentalacademy.com
  26. 26. DRUGS USED • Methantheline bromide • Propantheline bromide - Banthine - Pro banthine • DOSAGE;– ORAL ROUTE :. • PROBANTHINE • BANTHINE - 15 MG 50 MG – One tablet 1 hour before appointment produces unpleasent bitter taste www.indiandentalacademy.com
  27. 27. INTRA ORAL INJECTION • Propantheline - 2-6 mg • Onset of action - 5-10 minutes • Duration of action - Approximately 1.5hours • Drying effect prolonged by injecting propantheline - 2-3 mg after www.indiandentalacademy.com 1.5 hours
  28. 28. CONTRA INDICATIONS • • • • Drug hyper sensitivity Glaucoma Asthma Obstructive disorders of gastro intestinal tract • Congestive cardiac failure • Lactating mothers www.indiandentalacademy.com
  29. 29. OTHER DRUGS • Clondine hydro chloride : 0.2 mg 1 hour before the appointment • Side effects : Sedation www.indiandentalacademy.com
  30. 30. HAEMOSTASIS • It is a method of controlling bleeding from gingiva. • Delivered in the gingival sulcus through retraction cords which are impregnated with hemostatic agents www.indiandentalacademy.com
  31. 31. HAEMOSTATIC AGENTS • Racemic epinephrine • Alum solution ( potassium aluminium sulfate) - 8% • Aluminium sulfate / chloride solution • Ferric sulfate - 5-25 % • Tannic acid • Ferric sub sulfate - 20-100 % - 100% - 13.3 % (monsel’s solution) • Zinc chloride solution • Negatol solution www.indiandentalacademy.com - 8- 40 % - 45%
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  33. 33. Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.com

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