Are ultrasonic tips associated with final irrigation protocols effective in removing biofilms in long oval canals and dentinal tubules?

IF 3.1 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical Oral Investigations Pub Date : 2025-01-25 DOI:10.1007/s00784-025-06166-y

Leticia Citelli Conti, Vanessa Abreu Sanches Marques Costa, Ana Grasiela Limoeiro, Jéssica de Almeida Coelho, Maricel Rosario Cardenas Cuéllar, Murilo Priori Alcalde, Guilherme Ferreira da Silva, Flaviana Bombarda de Andrade, Marco Antonio Hungaro Duarte, Rodrigo Ricci Vivan

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引用次数: 0

Abstract

Objective: This study investigated the associations among endodontic instruments, ultrasonic tips and various final irrigation protocols for removing intracanal and intratubular biofilms in long oval canals.

Methodology: One hundred mandibular premolars inoculated with Enterococcus faecalis were divided into two groups: the control group (CG: n = 10), which received no treatment; and the test groups (n = 30), which included saline (SS), sodium hypochlorite (2.5% NaOCl) and chlorhexidine (2% CHX). The samples were prepared with Reciproc^® Blue 25/0.08, Flatsonic, Clearsonic and Reciproc Blue 40/0.06. Each test group was divided into three subgroups (n = 10): conventional irrigation (CI) with syringes and needles, passive ultrasonic irrigation (PUI) and continuous ultrasonic irrigation (CUI) with an Irrisonic tip. The root canals were examined using confocal laser scanning microscopy. Mann‒Whitney and Kruskal‒Wallis tests followed by Dunn post hoc tests (p < 0.05) were used for statistical analysis.

Results: NaOCl and CHX were effective for intracanal and intratubular decontamination. Saline showed significant decontamination in the intratubular areas when CUI was used. The CI method was the least effective for intracanal decontamination.

Conclusion: The use of Flatsonic and Clearsonic ultrasonic tips is promising for root canal disinfection.

Clinical relevance: The disinfection techniques in endodontic treatment focus on the removal of biofilms from long oval canals, which is crucial for effective cleaning during root canal procedures.

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来源期刊

Clinical Oral Investigations 医学-牙科与口腔外科

CiteScore

6.30

自引率

5.90%

发文量

484

审稿时长

3 months

期刊介绍： The journal Clinical Oral Investigations is a multidisciplinary, international forum for publication of research from all fields of oral medicine. The journal publishes original scientific articles and invited reviews which provide up-to-date results of basic and clinical studies in oral and maxillofacial science and medicine. The aim is to clarify the relevance of new results to modern practice, for an international readership. Coverage includes maxillofacial and oral surgery, prosthetics and restorative dentistry, operative dentistry, endodontics, periodontology, orthodontics, dental materials science, clinical trials, epidemiology, pedodontics, oral implant, preventive dentistiry, oral pathology, oral basic sciences and more.