3. CHLORHEXIDINE
¤ Daily use mouthwash – 0.12%
¤ Perio cases / gingivitis cases – 0.2%
¤ RCT cases as irrigant – 2% - highest conc.
¤ Advantages
- Anti-microbial property
- Substantivity*
¤ Disadvantage
- Stain causing
- Chance of occlude / obstruct salivary gland mainly Stenson’s duct
(parotid )
- Metallic taste
- Caution – never mix CHX + NaOCl –CARCINOGENIC – dangerous & contraindicated (So
how we use is after full saline irrigation – last u do CHX maybe.)
4. EDTA
¤ Ethylene Diamine Tetra cyclic Acid
¤ Conc. of 17%
¤ Removes smear layer
¤ Decreases surface tension
¤ After apicocectomy – as root conditioning agent*
¤ It is more of a lubricant(smoothens canal) than fluid (than irrigant)
¤ Action stays for 5 days only
¤ Therefore always use in adjunct with NaOCl, which has longer effect.
¤ Chelating property- 5 mm of surface decalcifies. Therefore smoothening the wall after
BMP
5. UREA PEROXIDE / GLY OXIDE
¤ Recently developed irrigant & has all the properties
¤ Anyhydrous glycerol- because of glycerol’s slippery effect - best useful in narrow or curved canals.
¤ Smear layer removal- that NaOCl don’t have & EDTA has
¤ Anti microbial
¤ Effervescent – that H2O2 has
¤ Disinfection
¤ Can use in open apex & intentional RCT– as it is better tolerated by the periapical tissue than NaOCl
6. MTAD
¤ Mixture of tetracycline & detergent
¤ Best irrigant* that is generally available in clinic
¤ Can kill E-fecalis- that is the causative agent for re-infection - therefore the best so far.
¤ Re-RCT - MTAD is best irrigating fluid or the CHX to kill E-feacalis
ENOSONIC IRRIGATOR MACHINE
¤ Increase the efficiency of the canal irrigation to accept GP
¤ Sodium hypochlorite into canal
¤ Tip into canal
¤ Endosonic vibration + hypo effervescence
