root canal irrigants & chemical aids in endodontics
Post on 24-Feb-2018
222 Views
Preview:
TRANSCRIPT
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
1/28
ROOT CANAL IRRIGANTS &CHEMICAL AIDS IN ENDODONTICS
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
2/28
Local Measures for controllingLocal Measures for controlling
Endodontic infectionsEndodontic infections
This includes chemo-mechanical debridemenThis includes chemo-mechanical debridemeno! he canal"o! he canal"
Mechanical #Roo canal $re$araionMechanical #Roo canal $re$araion
usin% !iles & reamers"usin% !iles & reamers" Chemical aids'Chemical aids'
-Root canal irrigants.-Root canal irrigants.
- Chelating agents- Chelating agents
- Solvents- Solvents
-Intracanal medicaments-Intracanal medicaments
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
3/28
A-Irrigating Solutions:
!uncions'
(- aids in he removalof tissue debrisand microorganisms.
)- Ipreventshe !ormaion o! dentin mud"
*- I cleanshe canal +all !rom he smear layer"
,- I increasesthe cuttingefficiency of root canal
instruments,and decreasehe chance !or insrumen
breaa%e"
.- I mae negotiationand enlar%emen o! he canal !ar
easier by lubricatingthe canal walls.
/- Man0 irri%ans are mildbleaches"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
4/28
Requirements for ideal effective
irrigating solutions:(- should be a $o+er!ulgermicide"
)- mus $ossess a dissolvingactionon $ul$alremnans and debris"
*- should be !ree !rom any harmful effect on
denin and$eria$ical issue"
,- mus ac asableachingagent"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
5/28
Commonly used irrigants solutions:
Sodium hypochloriteHydrogen peroxidesalineLocal anestheticSterile water
ChlorhexideneBiopure MTA !mixture o" tetracycline#
ctric acid $ detergent%
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
6/28
&-Sodium hypochlorite:&-Sodium h
ypochlorite:
-- It is theIt is the most popularlymost popularlyused irrigating solution in endodontics.used irrigating solution in endodontics.
- Sodium hypochlorite in a concentration of- Sodium hypochlorite in a concentration of 1 to 6%1 to 6%solutions is asolutions is a
powerful germicide .powerful germicide .
- stronglystrongly alkalinealkalineand ecellent necroticand ecellent necrotic tissue sol!ents.tissue sol!ents.
- "a!e a- "a!e a mildmild#leaching#leachingaction.action.
- Sodium h0$ochlorie is usuall0 used as- Sodium h0$ochlorie is usuall0 used as rooroo
canalcanal irri%aion inirri%aion in concenraionconcenraion ran%ed !romran%ed !rom
(".-)".1 "(".-)".1 "
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
7/28
'-Hydrogen peroxide:
- effervescence or bubbling action mechanical
debridemen"
-i is seldomused as he soleirri%ain% soluion2because i has '
- limited%ermicidal$ro$eries and- noability to dissolvenecrotic tissue
-irri%aion alernael0+ih h0dro%en $ero3ideandsodium h0$ochlorie"
- The release o!CL)increases %ermicidalaci4i0 +hilehee!!er4escencee!!ec !romhe ra$id releaseo! boh
%ases increases mechanical aci4i0"
- Sodium h0$ochlorieshould be he lasirri%an
soluion used $rior o sealin% he canal"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
8/28
B-Chelating agents:
- Chelain% a%ens are chemicals usuall0
used !or he $re$araion o! se4erel0
consricedor calci!iedcanals"
- reacs +ih he inor%anic $orion o! he
denin +alls"
- 50 subsiuin% sodium ions #!rom he
chelain% a%en !or calcium ions #!rom
denin"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
9/28
(-(-E!"E!"I is heI is he #$%#&' $"(! %) E!*+(EE-#"'#E !E!R"#$%#&' $"(! %) E!*+(EE-#"'#E !E!R"
"CE!#C "C#."CE!#C "C#.
- A- A (6 o (. $ercen(6 o (. $ercenbu!!ered soluions arebu!!ered soluions are nono irriain%irriain%andand non-o3ic "non-o3ic "
- The aci4i0 o!- The aci4i0 o! E!"E!" isis limiedlimied oo he !irs se4eralhe !irs se4eralminuesminuesin he canal"in he canal"
- he chamber is !looded +ih- he chamber is !looded +ih E!"E!"and +ored ino heand +ored ino hecanal +ih acanal +ih a small si7esmall si7e!ile"!ile"
- A!er minues he- A!er minues he soluionsoluion should beshould be as$iraedas$iraed andandre$lacedre$laced+ih a+ih a !resh!reshsoluion"soluion"
- he canal should be- he canal should be irri%aedirri%aed +ih a+ih a .1 sodium.1 sodium
h0$ochlorieh0$ochloriesoluion osoluion o arresarreshe aci4i0 o!he aci4i0 o! E!"E!"..
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
10/28
)-E!"C
- Is a / 5899ERED SOL8TION O9 E!" $lus "0&"!E"R+ "''%#&' C%'1%&2CE!"3(%orCE!R"'#E4"
- This subsance e3ersall he $ro$eries !ound in E!"as +ell as increased anise$ic aci4i0 o! cetavlon orcetramide.
- The aci4i0 o! E!"C is - lie - ha o! E!" can beabored b0 !loodin% he canal +ih .1 sodiumh0$ochlorie soluion"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
11/28
*-*-R.C.1RE1R.C.1RE1
IS THEIS THE COM5INATION O9COM5INATION O9 #$%#&' $"(! %)#$%#&' $"(! %)
E!*+(EE #"'#E !E!R" "CE!#C "C#E!*+(EE #"'#E !E!R" "CE!#C "C#""&RE"&RE"1ER%5#E1ER%5#E##""1%(+E!*+(EE 6(CER%( B"$E.1%(+E!*+(EE 6(CER%( B"$E.
Ad4ana%es'Ad4ana%es'
(-(-IsIs chelain%chelain%$ro$eries$ro$eriesenhance he ne%oiaion o! consriced orenhance he ne%oiaion o! consriced or
oblieraed canals"oblieraed canals"
)-)-TheThe polyethylene glycerolpolyethylene glycerolbasebaseis included mainl0 ois included mainl0 o $roec$roecheheE!"E!" !rom!rom o3idaiono3idaion b0 heb0 he urea pero7ideurea pero7ide22 alsoalso ser4esser4es as aas alubricanlubrican!or endodonic insrumenaion"!or endodonic insrumenaion"
*-*-TheThe ureaurea $ero3ide$ero3ide slo+l0slo+l0 dissociaesdissociaes ino ureaino urea andand h0dro%enh0dro%en$ero3ide &$ero3ide & $ro4ides$ro4idesanise$icanise$icandand e!!er4escene!!er4escen$ro$eries"$ro$eries"
,- A,- A $lasic$lasic s0rin%e is used o $lace he maerial in he $ul$s0rin%e is used o $lace he maerial in he $ul$chamber sincechamber since E!"E!"+ill+ill reac +ih he %lassreac +ih he%lass""
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
12/28
C-$olvents
-5ylol:- Is an e3cellen sol4en o%ua $ercha androo canalsealers"
- I is hi%hl0 irriain%and e3reme cauion mus be
e3ercised o con!inehe soluion ohe roo canal
s$ace"
8-Chloroform:
-I is an e3cellen sol4en o%ua $ercha androocanal sealer"
-I is o3ic and hi%hl0 irriain%o 4iable issue and i
mus be used +ih almos cauion"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
13/28
- Mehod o! a$$licaion '
-b0 !loodin% he $ul$chamber+ih he sol4enand a
small!ileis hen inroduced inohe canal "
-9re:uen as$iraiono! he sol4en and re$lacemen+ih
a !reshsoluion"
-con!inehe soluion o he roo canal s$ace"
-Once he !illin% maerial has been remo4edhe sol4enmus be eliminaedb0 liberal bu%enle irri%aion +ih
alcohol!ollo+ed b0 horou%hirri%aion +ihsodium
hypochlorite"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
14/28
Ade:uaedebridemen2 correcsha$in%
andenlar%in%o! he canal2 irri%aiono!he roo canal and ishermeicseal2 as
+ell as hebod0 de!ensesare he
$rimar0means o comba in!ecion"
Canal medication with antibacterial
activities plays onlya secondaryrolein
successful endodontic therapy.
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
15/28
Roo canal disin!ecion ma0 be
accom$lished b0'
- Chemical means.
8- 1hysical means.
9- Combination of both.
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
16/28
-Chemical means %r Root canal
medicaments:
I is he serili7aion o! he roo canal b0 cerainI is he serili7aion o! he roo canal b0 cerain%rou$s o! medicamens"%rou$s o! medicamens"
Requirements for ideal root canal medicament:
(-Should be %ermicideand !un%icide"
)-Should be non-irriain%o he so! issues
and $eria$ical issues"
*-Should remain sable in soluion",-Should ha4e $rolon%ed anibaceriale!!ec"
.-Should be e!!eci4ein he $resence o!
blood2 serum2 and issue$roein deri4ai4es"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
17/28
6-Should #e capa#le of penetratingthe tissue
deeply.
$-Should #e easily introducedinto the root canal.
-Should #e capa#le of #eing inacti!atedor
neutrali&edin culture media.
'-Shouldn(t interferewith periapical tissue repair.
1)-Shouldn(t staintooth structure.
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
18/28
#. 1henolic compounds:
(" Cam$horaed $arachloro$henol #CM;C'(" Cam$horaed $arachloro$henol #CM;C'
It is an oily liquidprepared by triturating30 parts
parachlorophenol crystalsin 70 partsgum
camphor.
I $ro4ides mared %ermicidalaci4i0 a%ainsall 0$eso! baceriaas +ell as !un%i"
*-+resatin,It is an antiseptic analgesic and fungicidalcompound.
Its anti#acterialeffect is enhanced#ecause of its low
surface tension.
Its effect is prolonged#y its low !olatility.
It is not causticand will not precipitate al#umin..
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
19/28
##."ldehydes:Like formocresol and glutraldehyde
(-9ormocresol'(-9ormocresol'
It is a combination of formaldehydeand cresol.
It is irritatingto tissues and producesmaredinflammation follo!ed by necrosis.
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
20/28
)" Halides')" Halides'
IodineIodineandand chlorinechlorineantiseptics !ere foundantiseptics !ere foundto have an action ofto have an action of short durationshort durationin thein the
root canal.root canal.
"queous solutions of"queous solutions of chlorinechlorinetend totend todecomposedecomposeas it interact rapidly !ithas it interact rapidly !ith
organicorganicmaterials# therefore# root canalmaterials# therefore# root canal
dressing have to bedressing have to be rene!edrene!edtoo often fortoo often forpractical purposes.practical purposes.
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
21/28
III" Chlorhe3idine'III" Chlorhe3idine' It is an effecti!eIt is an effecti!e antimicro#ialantimicro#ialagent inagent in weakweaksolutions.solutions.
It is used as root canalIt is used as root canal
irrigantirrigant
solutionsolution
and orand or
as aas a
root canalroot canal medicamentmedicament#etween endodontic !isits for#etween endodontic !isits for
its disinfectant properties.its disinfectant properties.
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
22/28
;ol0anibioic $ase';ol0anibioic $ase'
/he polyanti#iotic paste is considered as one of themost commonand effecti!ecom#inationof theantimicro#ial drug against a wide range ofmicroorganisms commonly isolatedfrom infectedrootcanals.
)-Coricoseroid-Anibioic combinaion')-Coricoseroid-Anibioic combinaion'&$E$:&$E$:
0educes0educes pain and inflammationpain and inflammation#y ha!ing anti-inflammatory#y ha!ing anti-inflammatory
effect oneffect on periapical tissues of o!er instrumented teethperiapical tissues of o!er instrumented teeth. It gi!es. It gi!es
thethe greatestgreatestimpact in theimpact in the first *2 hrsfirst *2 hrs..3ost operati!e.43ost operati!e.4
C%!R"##C"!#%:C%!R"##C"!#%:
Incase ofIncase of infectioninfectionto a!oid its spread.to a!oid its spread.
##C"!#%:##C"!#%:
In case of pain ofIn case of pain of inflammation and in5uryinflammation and in5ury7/7/for painfor painassociated withassociated with infection and Swellinginfection and Swelling
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
23/28
Calcium H0dro3ide'CalciumH0dro3ide'
(S)S:
1-0educe #acterial colonies1-0educe #acterial coloniesand theirand their #yproducts#yproducts
#est results#est resultsachie!ed whenachie!ed when leftleftin the canalin the canal forfor
at leastat leastaa weekweek4.4.
*-"a!e the possi#ility to*-"a!e the possi#ility to reduce postoperati!e painreduce postoperati!e pain
#y ha!ing a#ility of#y ha!ing a#ility of killingkilling8acteria and8acteria and
neutrali&eneutraliðeir #y products4.their #y products4.
*ote:the anti +acterial action o" calcium hydroxideis related to its high ,H# It minimie the occurrence
o" "lare ups as it ha.e the a+ility o" /illing
Anaero+ic +acteria#
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
24/28
##C"!#%$:
(- Necroic$ul$
)- O4er-insrumenaion
*- Ha4in% sron% $ossibili0 o! !lare u$$resen"
DISAD
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
25/28
8-1hysical 'eans:8-1hysical 'eans:
The mos suiable $h0sicalmean is b0Laser"
The animicrobial e!!ec o! laser de$ends
on se4eral !acorssuch as'0$e o! laser2
$o+er and ener%02 irradiaion e3$osure
ime2 as +ell as he 0$e o! baceria$resens in he roo canal"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
26/28
9-Combination of both Chemical
and 1hysical means :
8lrasonic disin!ecion8lrasonic disin!ecioncan be $er!ormed +hencan be $er!ormed +henusin%usin% sodium h0$ochlorie soluionsodium h0$ochlorie soluion+ih an+ih anulrasonic $re$araion !iles or i$sulrasonic $re$araion !iles or i$s""
he ulrasoniche ulrasonic +a4es+a4es+ill+ill sli%hl0 risesli%hl0 risehehesodium h0$ochlorie soluionsodium h0$ochlorie soluion em$eraureem$eraureincreaseincreasein hein he animicrobialanimicrobiale!!ec o! hee!!ec o! he
soluion"soluion"
Also heAlso he ulrasoniculrasonic+a4es+a4es !orce!orcehehesoluion ino hesoluion ino he inaccessibleinaccessiblearea o! hearea o! he rooroocanal s0sem"canal s0sem"
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
27/28
ReferencesReferences
;ah+a0s o! he $ul$ 2=;ah+a0s o! he $ul$ 2=hh
" Ed" Cohen S" e"al)66/" Ed" Cohen S" e"al)66/
;rinci$les and ;racice;rinci$les and ;racice ofof $%&'&'%(ICS$%&'&'%(ICS THIRDTHIRD
EDITIONRICHARD E" >ALTON2 DMD2EDITIONRICHARD E" >ALTON2 DMD2##MAHMO8D TORA5INE?ADMAHMO8D TORA5INE?AD
EndodonicsEndodonicsColleagues for E7cellenceColleagues for E7cellence ;ublished !or he Denal;ublished !or he Denal;ro!essional Communi0 b0 he;ro!essional Communi0 b0 he"merican "ssociation of"merican "ssociation of
Endodontists,Endodontists, >iner )6((2>iner )6((2Root Canal #rrigants and isinfectantsRoot Canal #rrigants and isinfectants
Endodonics /Endodonics /hh" Ed" In%le & 5aland& 5aum%arner" Ed" In%le & 5aland& 5aum%arner
Color alas & e3 o! endodonics2)Color alas & e3 o! endodonics2)ndnd" Ed" Soc e"al" Ed" Soc e"al
-
7/25/2019 Root Canal Irrigants & Chemical Aids in Endodontics
28/28
Than 0ouThan 0ou
top related