搜索结果: 1-15 共查到“口腔医学 Root canal”相关记录19条 . 查询时间(0.085 秒)
Susceptibility of methacrylate-based root canal filling to degradation by bacteria found in endodontic infections
clear zone degradation endodontic bacteria Resilon
2014/11/6
Objectives: To present a case of endodontic failure obturated with a methacrylate-based root filling material, Resilon/ RealSeal (RS). To determine if RS is susceptible to biodegradation by endodontic...
FP Core Carrier Technique: Thermoplasticized Gutta-percha Root Canal Obturation Technique Using Polypropylene Core
Root canal filling Obturation technique Gutta-percha
2011/6/10
Core carrier techniques are unique among the various root canal filling techniques for delivering and compacting gutta-percha in the prepared root canal system. Thermafil (TF), considered the major co...
Removal of root canal filling materials using Er:YAG laser irradiation
Er:YAG laser Root canal retreatment Root canal filling material
2010/11/26
The purpose of this study was to examine the ability of Er:YAG laser to remove root canal filling materials. The root canals of 21 extracted human anterior teeth were enlarged, and then obturated with...
Evaluation of bond strength of D.T.Light-post to root canal using dual-cure and self-cure resin cements after irrigation with various solutions
Bond strength Self-cure resin cement Dual-cure resin cement D.T.Light-post Degree of conversion
2009/12/17
Background and Aim: Nonmetallic tooth- colored posts adhere to canal walls by dentin bonding agents and resin cements. Better retention and proper distribution of stress result from enough and proper ...
Diffusion of calcitonin through the wall of the root canal
Dental cementum Tooth permeability Root canal irrigants Calcitonin
2009/10/20
The aim of this study was to evaluate the in vitro diffusion of synthetic salmon calcitonin (CT), used as an intracanal medication, to the external root surface, with or without the presence of intact...
A scanning electron microscopic evaluation of different root canal irrigation regimens
Smear layer Root canal irrigants Chlorhexidine Ricinus communis
2009/10/19
The purpose of this study was to assess the effectiveness of endodontic irrigants in removing the smear layer from instrumented root canal walls using Scanning Electron Microscopy (SEM). The endodonti...
Effect of rotary instrumentation and of the association of calcium hydroxide and chlorhexidine on the antisepsis of the root canal system in dogs
Endodontics Microbiology Calcium hydroxide Chlorhexidine
2009/10/19
This study aimed at evaluating the antisepsis of the root canal system (RCS) and periapical region (PR) provided by rotary instrumentation associated with chlorhexidine + calcium hydroxide as intracan...
In vitro evaluation of the effectiveness of the chemomechanical preparation against Enterococcus faecalis after single- or multiple-visit root canal treatment
Dental pulp cavity Chlorhexidine Calcium hydroxide Enterococcus faecalis
2009/10/19
The purpose was to assess the elimination of Enterococcus faecalis in vitro in human mandibular premolars after chemomechanical preparation with or without the use of a calcium hydroxide dressing. Aft...
Radiographic prevalence of root canal ramifications in a sample of root canal treatments in a Brazilian Dental School
Endodontics Root canal Dental records Education dental
2009/10/19
The aim of this study was to radiographically investigate the presence of root canal ramifications found after endodontic treatment, and to determine any relationship between their presence and the ty...
Coronal and apical leakage analysis of two different root canal obturation systems
Root canal obturation Dental leakage
2009/10/16
This study compared the coronal and apical leakage of AH Plus with gutta-percha to that of Epiphany with Resilon. Twenty-four single rooted teeth were instrumented and divided into 2 groups according ...
Radiopacity evaluation of root canal sealers containing calcium hydroxide and MTA
Radiology Radiography Root canal obturation
2009/10/16
The purpose of this study was to evaluate the radiopacity of root canal sealers containing calcium hydroxide and MTA (Acroseal, Sealer 26, Sealapex, Endo CPM Sealer, Epiphany and Intrafill). Five disc...
Sealing Ability of New Adhesive Root Canal Filling Materials Measured by New Dye Penetration Method
Leakage Sealer Spectrophotometer
2009/9/14
The sealing ability of new adhesive root canal filling materials was evaluated using a new dye penetration method. Twenty-eight single-rooted mandibular premolars were randomly divided into four group...
Removal of Resin-based Root Canal Filling Materials with K3 Rotary Instruments: Relative Efficacy for Different Combinations of Filling Materials
Resin-based root canal filling material Ni-Ti rotary instrumentation Root canal retreatment
2009/9/11
Removal of resin-based root canal filling materials may cause serious problems during root canal retreatment. This study compared the working time and amount of canal enlargement when different resin-...
Effects of photocuring strategy on bonding of dual-cure one-step self-etch adhesive to root canal dentin
Microtensile bond strength Dual-cure self-etch adhesive Root canal dentin
2009/9/11
This study evaluated the effects of light power density and light exposure time on regional bond strength of Clearfil DC Bond to root canal dentin. Post spaces were prepared in extracted premolars. Ro...
Root Canal Morphology of Human Mandibular Incisors in Yazd Province
Root Canal Morphology Mandibular Incisors Yazd
2009/4/2
Introduction: An in vitro study was performed to determine the number and the type of root canals of mandibular incisor teeth in an Iranian population.Methods and Materials: Sixty eight mandibular i...