Effect of double antibiotic and calcium hydroxide pastes on dislodgement resistance of an epoxy resin-based and two calcium silicate-based root canal sealers.
OBJECTIVE
The purpose of the present study was to determine the dislodgement resistance of AH Plus, MTA Fillapex, and Total Fill BC sealer to root canal dentin walls following placement of calcium hydroxide (CH) or double antibiotic paste (DAP) medicaments.


METHODS
Root canals of 90 single-rooted human mandibular premolar teeth were instrumented with Reciproc rotary instruments to a size R50. The teeth were randomly divided into two experimental groups: those receiving an intracanal medicament with either CH or DAP and a control group (n = 30). After 3 weeks, the medicaments were removed by irrigation with 5 mL of 2.5 % NaOCl, 5 mL 17 % EDTA, and 5 mL distilled water under sonic agitation. Each group was then subdivided into three subgroups (n = 10), and the canals were filled with either AH Plus, MTA Fillapex, or Total Fill BC sealer. After 1 week, a push-out test was applied to the specimens and the results were analyzed using one-way analysis of variance (ANOVA) and post hoc Tamhane's tests.


RESULTS
Regardless of the type of intracanal medicament used, Total Fill BC Sealer and MTA Fillapex showed the highest and lowest bond strength, respectively (P < 0.05). The use or absence of medicaments did not significantly affect the dislodgment resistance of root canal fillings (P > 0.05). Prior CH placement improved dislodgement resistance of all sealers without statistical difference (P > 0.05). Adhesive failure between core and sealer was the most frequent failure mode.


CONCLUSIONS
Prior application of CH or DAP did not significantly affect the adhesion of the AH Plus, MTA Fillapex, and Total Fill BC Sealers.


CONCLUSIONS
There is a little information about the influence of antibiotic medicaments on the bond strength of root canal sealer. These findings suggest that the use of DAP does not affect the adhesion strength of AH Plus, MTA Fillapex, and Total Fill BC Sealers.
Department of Endodontics, Faculty of Dentistry, Gaziosmanpaşa University, 60100, Tokat, Turkey. gokturk82@hotmail.com.
Hakan
H
Gokturk
Department of Endodontics, Faculty of Dentistry, Gaziosmanpaşa University, 60100, Tokat, Turkey.
Emre
E
Bayram
Department of Endodontics, Faculty of Dentistry, Gaziosmanpaşa University, 60100, Tokat, Turkey.
Huda Melike
HM
Bayram
Department of Restorative Dentistry and Endodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.
Tugrul
T
Aslan
Department of Restorative Dentistry and Endodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.
Yakup
Y
Ustun
D000900:Anti-Bacterial Agents / Q000737:chemistry*; D001641:Bicuspid; D017610:Calcium Compounds / Q000737:chemistry; D002126:Calcium Hydroxide / Q000737:chemistry; D002939:Ciprofloxacin / Q000737:chemistry*; D001840:Dental Bonding; D003799:Dental Stress Analysis; D004338:Drug Combinations; D004853:Epoxy Resins / Q000737:chemistry*; D006801:Humans; D066298:In Vitro Techniques; D008422:Materials Testing; D008795:Metronidazole / Q000737:chemistry*; D012387:Root Canal Filling Materials / Q000737:chemistry*; D012388:Root Canal Irrigants / Q000737:chemistry; D017640:Silicates / Q000737:chemistry; D013314:Stress, Mechanical
D000900:Anti-Bacterial Agents; D017610:Calcium Compounds; D004338:Drug Combinations; D004853:Epoxy Resins; D012387:Root Canal Filling Materials; D012388:Root Canal Irrigants; D017640:Silicates; C534916:epoxy resin-based root canal sealer; D008795:Metronidazole; D002939:Ciprofloxacin; D002126:Calcium Hydroxide; C031293:calcium silicate
Bond strength; Calcium hydroxide; Calcium silicate-based sealer; Double antibiotic paste; Resin-based sealer