The effect of German chamomile (Marticaria recutita L.) extract and tea tree (Melaleuca alternifolia L.) oil used as irrigants on removal of smear layer: a scanning electron microscopy study

International Endodontic Journal
M S Sadr LahijaniD Yazdani

Abstract

To compare the cleaning effectiveness of chamomile hydroalcoholic extract and tea tree oil to 2.5% sodium hypochlorite (NaOCl) solution as an intracanal irrigant for the removal of the smear layer. Forty extracted, single-rooted, mature, permanent, human teeth were allocated at random into one of three experimental groups of ten teeth and two control groups of five teeth. For each tooth, the pulp chamber was accessed and the canal prepared using K-type files and Gates-Glidden burs, using a step-back technique; the apical stop was prepared to a size 30. Each canal was subsequently irrigated with one of the following solutions: distilled water (as a negative control), 2.5% NaOCl + 17% ethylenediamine tetraacetic acid (EDTA) (as a positive control), chamomile or tea tree oil or 2.5% NaOCl. Each tooth was split longitudinally and prepared for examination by scanning electron microscopy (SEM). The quantity of smear layer remaining on the three levels of each canal (coronal, middle and apical) was examined using magnifications of 2000 and 5000x. The data were analysed using nonparametric Kruskal-Wallis and Mann-Whitney U-tests. The most effective removal of smear layer occurred with the use of NaOCl with a final rinse of 17% EDTA (ne...Continue Reading

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Citations

Jul 19, 2013·Clinical Oral Investigations·Yong ChenC Jayampath Seneviratne
Jul 23, 2013·European Archives of Paediatric Dentistry : Official Journal of the European Academy of Paediatric Dentistry·V VenkataramR Nagarajappa
Nov 19, 2011·Pharmacognosy Reviews·Ompal SinghManoj Kumar Srivastava
Jan 6, 2015·Ayu·Dakshita J Sinha, Ashish A Sinha
Jan 29, 2010·Neuroscience Letters·Aron de Miranda H AlvesDemetrius Antônio M Araújo
Dec 25, 2007·Journal of Endodontics·Peter E MurrayFranklin Garcia-Godoy
Jun 24, 2008·Phytotherapy Research : PTR·Francisco Carlos GroppoEduardo Dias de Andrade
Apr 27, 2016·Journal of International Society of Preventive & Community Dentistry·Mukut SealRadhika Maniyar
Feb 19, 2008·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Gustavo De-DeusSidney Paciornik
Jun 15, 2011·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Mohan AbarajithanHemamalathi Senthilkumar
Jun 24, 2011·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Gustavo De-DeusSidnei Paciornik
Oct 8, 2016·Journal of Dietary Supplements·Vineet AgrawalIsha Agrawal
Oct 17, 2018·Biofouling·Ester Alves Ferreira BordiniDenise Palomari Spolidorio
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Sep 15, 2017·BioMed Research International·Tariq S Abuhaimed, Ensanya A Abou Neel
Apr 3, 2020·Critical Reviews in Microbiology·Sumaya AbusrewilWilliam McLean

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