Učinkovitost uklanjanja zaostatnog sloja uporabom kelacijske otopine tijekom endodontskog liječenja

Scientific paper - Original scientific paper

• Title (english): The efficacy of chelating agent in the removal of smear layer during root canal therapy
• Author: Ivana Brekalo Pršo
• Author: Ivana Vidović
• Author: Marija Jurčević
• Author: Romana Peršić
• Author: Snježana Glavičić
• Author: Marin Vodanović
• Author: Sonja Pezelj-Ribarić
• Author's institution: (Clinical Hospital Center Rijeka)
• Author's institution: (Zagreb University Hispital Center)
• Author's institution: University of Rijeka; (Faculty of Dental Medicine)
• Author's institution: University of Zagreb; School of Dental Medicine
• Scientific / art field, discipline and subdiscipline: BIOMEDICINE AND HEALTHCARE; Dental Medicine

Abstract (croatian)

Cilj: Ispitati u in vitro uvjetima učinkovitost uklanjanja zaostatnog sloja nakon kemijsko–mehaničke obrade korijenskog kanala uporabom 17 %-tne otopine etilendiamintetraoctene kiseline (EDTA) tijekom jedne i pet minuta. Metode: Istraživanje je provedeno na tri skupine od 15 izvađenih jednokorijenskih ljudskih zuba. U prvoj, kontrolnoj skupini, nismo koristili otopinu EDTA-e, dok su u drugoj i trećoj skupini zuba korijenski kanali na kraju instrumentacije ispirani opinom EDTA-e tijekom 1, odnosno 5 minuta. Analiza zaostatnog sloja na poprečnim rezovima provedena je stereomokroskopom i svjetlosnim mikroskopom (Olimpus BX50, Tokyo, Japan) s adaptiranom kamerom (TMC 76S Pulnix, Tokyo, Japan). Statistička analiza provedena je pomoću jednosmjerne analize varijance (one-way ANOVA) i post hoc Scheffe testom uz P < 0.05. Rezultati: U uzorcima koji su tretirani otopinom EDTA-e tijekom 5 minuta količina zaostatnog sloja znatno je manja nego u kontrolne skupine uzoraka (P = 0,039). Na razini cervikalne trećine korijenskih kanala količina zaostatnog sloja u uzoraka tretiranih otopinom EDTA-e tijekom 1 min (P < 0,001) i otopinom EDTA-e tijekom 5 minuta (P < 0,001) znatno je manja u usporedbi s kontrolnom skupinom. U središnjoj trećini uočeno je da otopina EDTA učinkovitije uklanja zaostatni sloj u usporedbi s kontrolnom skupinom, djelovanjem tijekom 1 minute (P = 0,023) i 5 minuta (P = 0,007). Usporedbom uklanjanja zaostatnog sloja u sve tri skupine uzoraka na razini apikalne trećine korijenskih kanala nije utvrđena statistički značajna razlika (P = 0,428). Zaključak: Najučinkovitije uklanjanje zaostatnog sloja kelacjiskom otopinom EDTA-e postignuto je u cervikalnoj i središnjoj trećini korijenskog kanala, dok je u apikalnoj trećini, kao posljedica otežanog prodora irigansa, zaostalo najviše zaostatnog sloja.

Abstract (english)

Objective: To investigate the efficacy of smear layer removal after mechanical and chemical root canal treatment using 17% EDTA solution in in vitro conditions. Methods: Research was performed on three groups of 15 extracted single-rooted human teeth. In the first group, the control group, EDTA was not used. In the second and third groups teeth root canals were irrigated with EDTA solution through one and five minutes after instrumentation. Analysis of smear layer was performed on cross-sectional slices using stereomicroscopy and light microscopy (Olimpus BX50, Tokyo, Japan) with adapted camera (TMC 76S Pulnix, Tokyo, Japan). Statistical analysis was performed using one-way analysis of variance (one-way ANOVA) and post hoc Scheffe test with P < 0.05. Results: In specimens treated with EDTA through five minutes the amount of smear layer was significantly lower when compared to control group (P = 0,039). At the cervical third of root canal the amount of smear layer in specimen treated with EDTA trough one minute (P < 0,001) and five minutes (P < 0,001) was significantly lower when compared to control group. In the middle third, we found that EDTA removes the smear layer through one minute (P = 0,023) and five minutes (P = 0,007) more efficiently when compared to control group. When the removal of smear layer in apical third was compared in all three groups, no differences were found (P = 0,428). Conclusion: The most effective removal of smear layer using EDTA solution was accomplished in the cervical and middle level of root canal, whilst in the apical level the largest amount of smear layer remained as a consequence of difficult penetration of the irrigant.

• Keywords (croatian): endodoncija; etilendiamintetraoctena kiselina; zaostatni sloj
• Keywords (english): endodontic; ethylene-diamine-tetra-acetic acid; smear layer
• Language: croatian
• Language: english
• Publication type: Scientific paper - Original scientific paper
• Publication status: Published
• Peer review: Peer review - domestic
• Publication version: Published version
• Journal title: Medicina Fluminensis : Medicina Fluminensis
• Numbering: vol. 48, no. 2, pp. 207-212
• p-ISSN: 1847-6864
• e-ISSN: 1848-820X
• URN:NBN: urn:nbn:hr:127:952313
• Publication: 2012
• Document URL: https://hrcak.srce.hr/84196
• Type of resource: Text
• Access conditions: Open access
• Created on: 2024-04-12 08:58:55