![]() ![]() The decision of the fiberglass post usage and the restorative materials are related to several factors such as the quantity and quality of remaining dental structure, presence of ferrule, post cementation length and final coronal restoration. For restoring endodontically treated teeth several factor and clinical decisions should be observed. The endodontic treatment can also influence the longevity of the rehabilitation of endodontically treated teeth and biomechanics during the oral function. This procedure which involves mechanical and chemical preparation of root canal may affect several mechanical and physical properties of the tooth structure. International Endodontic Journal 48, 1188-93.Endodontic treatment is a common dental procedure used for treating teeth which the pulp tissue has become irreversibly inflamed or necrotic as a result of the carious process or dental trauma. (2015) Antimicrobial activity of chlorhexidine, peracetic acid and sodium hypochlorite/etidronate irrigant solutions against Enterococcus faecalis biofilms. Journal of Endodontics 42, 1667-72.Īrias-Moliz MT, Ordinola-Zapata R, Baca P et al. (2016) Adjunctive steps for disinfection of the mandibular molar root canal system: a correlative bacteriologic, micro-computed tomography, and cryopulverization approach. International Endodontic Journal 45, 898-906.Īlves FR, Andrade-Junior CV, Marceliano-Alves MF et al. Journal of Endodontics 14, 486-93.Īl-Ali M, Sathorn C, Parashos P (2012) Root canal debridement efficacy of different final irrigation protocols. ![]() Journal of Endodontics 37, 544-8.Īhmad M, Pitt Ford TR, Crum LA, Walton AJ (1988) Ultrasonic debridement of root canals: acoustic cavitation and its relevance. (2011) Histologic evaluation of canal and isthmus debridement efficacies of two different irrigant delivery techniques in a closed system. Published by John Wiley & Sons Ltd.Īdcock JM, Sidow SJ, Looney SW et al. XP-endo Finisher conventional irrigation isthmus mandibular molar root canal irrigation ultrasonic activation. ![]() In the isthmuses, no differences were observed between the two activation techniques and conventional irrigation. In the root canals, ultrasonic activation and XP-endo Finisher had a greater effectiveness than conventional irrigation. In this laboratory study on extracted teeth, the isthmus was more difficult to disinfect than root canals. In the cervical and middle thirds, ultrasonic activation was associated with the lowest biovolumes (P 0.05), although the latter were significantly different from the control group (P 0.05) in the isthmuses. Root canals had significantly lower biovolume values than the isthmuses (P 0.05). Statistical analysis was performed using SPSS (descriptive statistics) and SUDAAN (P-value calculations). The antibiofilm activity was evaluated at each location (root canal and isthmus) and third (cervical, middle and apical) using confocal laser scanning microscopy and the live/dead technique. The irrigating solution used was a combination of 2.5% sodium hypochlorite and 9% etidronic acid, and the final protocols were applied for three cycles of 30 s with a 3 mL volume. All the root canals, except for the control group that was not treated, were chemomechanically prepared and then assigned to one of the experimental groups according to the final adjunctive procedure: conventional irrigation, ultrasonic activation or XP-endo Finisher activation. There were three experimental groups plus a control group (n = 7 per type of root canal anatomy). The root canals were contaminated for 7 days with an Enterococcus faecalis suspension. To evaluate in a laboratory setting the antibiofilm activity of several irrigating protocols including conventional irrigation, ultrasonic activation and XP-endo Finisher, with a mixture of sodium hypochlorite and etidronic acid in infected isthmuses and root canals of extracted human mandibular molar teeth.įifty-six mesial roots of mandibular molars, half of them with a continuous isthmus from the cervical to the apical third between the two root canals (type 1), and the other half with a continuous isthmus from the cervical to the middle third and one canal in the apical third (type 2), were included. ![]()
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