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https://www.readbyqxmd.com/read/27871480/release-of-growth-factors-into-root-canal-by-irrigations-in-regenerative-endodontics
#1
Qian Zeng, Sean Nguyen, Hongming Zhang, Hari Priya Chebrolu, Dalia Alzebdeh, Mustafa A Badi, Jong Ryul Kim, Junqi Ling, Maobin Yang
INTRODUCTION: The aim of this study was to investigate the release of growth factors into root canal space after the irrigation procedure of regenerative endodontic procedure. METHODS: Sixty standardized root segments were prepared from extracted single-root teeth. Nail varnish was applied to all surfaces except the root canal surface. Root segments were irrigated with 1.5% NaOCl + 17% EDTA, 2.5% NaOCl + 17% EDTA, 17% EDTA, or deionized water. The profile of growth factors that were released after irrigation was studied by growth factor array...
December 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27862171/prognostic-factors-of-single-visit-endodontic-and-restorative-treatment-under-general-anesthesia-for-special-needs-patients
#2
Juhea Chang, Hae-Young Kim
The aim of this study was to evaluate the longevity of teeth with single-visit endodontic and restorative treatment under general anesthesia (GA) for special needs patients and to investigate factors associated with survival and success. Data were collected from 381 teeth in 203 patients [mean (SD) age=27.0 (14.1)]. All endodontic and restorative procedures were performed during a single GA session except for cementation of crowns in the cases requiring crown restoration (38%). A total of 267 teeth (70.6%) were followed-up for 6 - 81 months [mean (SD): 32...
November 10, 2016: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/27847747/healing-outcomes-of-root-canal-treatment-for-c-shaped-mandibular-second-molars-a-retrospective-analysis
#3
Hye-Ra Ahn, Young-Mi Moon, Sung-Ok Hong, Min-Seock Seo
OBJECTIVES: This study aimed to evaluate the healing rate of non-surgical endodontic treatment between C-shaped and non-C-shaped mandibular second molars. MATERIALS AND METHODS: Clinical records and radiological images of patients who had undergone endodontic treatment on mandibular second molars between 2007 and 2014 were screened. The periapical index scoring system was applied to compare healing outcomes. Information about preoperative and postoperative factors as well as the demographic data of the patients was acquired and evaluated using chi-square and multinomial logistic regression tests...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27834412/effect-of-sonic-application-of-universal-adhesive-systems-on-bond-strength-of-fiber-posts-to-root-canal
#4
Driellen C Zarpellon, Anna L Szesz, Alessandro D Loguercio, Cesar A G Arrais
PURPOSE: This study evaluated the push-out bond strength (BS) of fiber posts in root canals and the nanoleakage (NL) pattern at the bonding interface when universal adhesives were applied in etch-and-rinse mode to root dentin using an oscillating sonic device. MATERIALS AND METHODS: Fifty-four roots of human premolars were endodontically prepared and divided into 6 experimental groups according to the main factors: adhesive system/resin cement (Ambar Universal/AllCem, Scotchbond Universal/RelyX ARC, Prime&Bond Elect/Enforce) and application mode (vigorous manual or sonic)...
November 10, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27790580/comparison-of-stress-distribution-in-a-maxillary-central-incisor-restored-with-two-prefabricated-post-systems-with-and-without-ferrule-using-finite-element-method
#5
Aarti Rajambigai, Arun Kumar, Sabarinathan, Ramesh Raja
INTRODUCTION: When restoring an endodontically treated tooth with deficient coronal tooth structure, posts can be used to strengthen the tooth. Recently prefabricated posts are widely used as they exclude the need for complex laboratory procedures making the procedure time saving. But the post-placement can produce stresses that cause root fracture. Different techniques can be used to study the stress distribution due to different posts, but most of them are two-dimensional and difficult to reproduce...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27786566/detection-of-vertical-root-fractures-in-intact-and-endodontically-treated-premolar-teeth-by-designing-a-probabilistic-neural-network-an-ex-vivo-study
#6
Masume Johari, Farzad Esmaeili, Alireza Andalib, Shabnam Garjani, Hamidreza Saberkari
OBJECTIVE: Detection of vertical root fractures (VRF) in their initial stages is a crucial issue which prevents the propagation of injury to the adjacent supporting structures. Designing a suitable neural network based model could be a useful method to diagnose the VRFs. The aim of this study was to design a probabilistic neural network to diagnose the vertical root fractures in intact and endodontically treated teeth of periapical and CBCT radiographs. Also, we have compared the efficacy of these two imaging techniques in the detection of VRFs...
October 27, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27780003/tear-production-rate-in-a-mouse-model-of-dry-eye-according-to-the-phenol-red-thread-and-endodontic-absorbent-paper-point-tear-tests
#7
Servet Kilic, Kadri Kulualp
This study compared the endodontic absorbent paper point test (EAPTT) and the phenol red thread test (PRTT) for the assessment of tear production rate in a mouse model of dry eye. Fourteen BALB/c breed female mice were allocated into experimental and control groups of equal number. For 6 wk, the experimental group was kept in dry-eye cabinets, whereas the control group was kept in normal cages under ambient conditions. In both groups, the tear production rate was measured by using EAPTT and PRTT before the study, at study baseline, and at weeks 2, 4, and 6...
2016: Comparative Medicine
https://www.readbyqxmd.com/read/27770435/a-scoping-review-of-root-canal-revascularization-relevant-aspects-for-clinical-success-and-tissue-formation
#8
M C M Conde, L A Chisini, R Sarkis-Onofre, H S Schuch, J E Nör, F F Demarco
The aim of this Scoping Study was to evaluate the survival rate and nature of tissue formed inside root canals of human Necrotic Immature Permanent Teeth (NIPT) under root canal revascularization (RCR). The search was performed in SciVerse Scopus(®) , PubMed/Medline, Web of Science(®) , BIREME and in grey literature up to November 2015. The keywords were selected using MeSH terms and DECs. Two independent reviewers scrutinized the records obtained considering specific inclusion criteria. The included studies were evaluated in accordance with a modified Arksey and O' Malley's framework...
October 22, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27769674/saving-single-rooted-teeth-with-combined-endodontic-periodontal-lesions
#9
Alexandre Pico-Blanco, Pablo Castelo-Baz, Leticia Caneiro-Queija, Antonio Liñares-González, Pablo Martin-Lancharro, Juan Blanco-Carrión
INTRODUCTION: Teeth affected by combined endodontic-periodontal lesions are usually considered by all prognosis classifications as hopeless teeth. The development of new biomaterials combined with modern endodontic and periodontal regeneration techniques may improve dental prognosis and maintain the affected teeth. Moreover, 1 of the replacement options for those teeth, dental implants, has shown an increasing number of biological and technical complications. METHODS: Five patients were included in this case series study...
October 18, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27766106/the-effect-of-different-cleaning-protocols-on-post-space-a-sem-study
#10
Giuseppe Lo Giudice, Angelo Lizio, Roberto Lo Giudice, Antonio Centofanti, Giuseppina Rizzo, Michele Runci, Angela Alibrandi, Marco Cicciù
Aim. Purpose of the present paper is to analyze the efficiency of different post-space irrigation protocols. Methods. 28 single rooted teeth were endodontically treated. After post-space preparation every sample was assigned to one of three experimental groups and to one control group. In each group different irrigation protocols were performed as follows: EDTA (Group A), 37% orthophosphoric acid (Group B), and EDTA + 37% orthophosphoric acid with ultrasounds activation (Group C). In the control group (Group D) the irrigate association was not activated by ultrasounds...
2016: International Journal of Dentistry
https://www.readbyqxmd.com/read/27747242/the-effect-of-file-size-and-type-and-irrigation-solutions-on-the-accuracy-of-electronic-apex-locators-an-in-vitro-study-on-canine-teeth
#11
Maciej Janeczek, Piotr Kosior, Dagmara Piesiak-Pańczyszyn, Krzysztof Dudek, Aleksander Chrószcz, Agnieszka Czajczyńska-Waszkiewicz, Małgorzata Kowalczyk-Zając, Aleksandra Gabren-Syller, Karol Kirstein, Aleksandra Skalec, Ewelina Bryła, Maciej Dobrzyński
Measurements of the root canal during endodontic treatment have a significant influence on the course of the therapeutic process as well as on its final result in both human and veterinary medicine. The apical constriction should be the termination point for the preparation and filling of the root canal. This research was conducted with the use of a Septodont kit consisting of a small chamber filled with the examined solution in which a healthy second incisor was placed. The step back method was applied for the root canal preparation and master apical file of 30 was used...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27725511/antibacterial-effect-of-chlorhexidine-cetrimide-combination-salvia-officinalis-plant-extract-and-octenidine-in-comparison-with-conventional-endodontic-irrigants
#12
Mehmet Burak Guneser, Makbule Bilge Akbulut, Ayce Unverdi Eldeniz
The aim of the present study was to compare the antimicrobial effect of sodium hypochlorite (NaOCl), 2% chlorhexidine (CHX), a CHX/cetrimide solution (CHX+CTR), octenidine hydrochloride (OCT) and Salvia officinalis plant extract against Enterococcus faecalis. Seventy decoronated single-rooted human teeth were infected and divided into 6 test (n=10) and 2 control groups (n=5) (negative, sterile samples and positive, infected samples). Following irrigants were then applied to test groups: 2.5% NaOCl, 5.25% NaOCl, CHX, CHX+CTR, S...
2016: Dental Materials Journal
https://www.readbyqxmd.com/read/27720948/functional-changes-in-brain-activity-after-hypnosis-in-patients-with-dental-phobia
#13
Ulrike Halsband, Thomas Gerhard Wolf
Visiting the dentist is often accompanied by apprehension or anxiety. People, who suffer from specific dental phobia (a disproportional fear of dental) procedures show psychological and physiological symptoms which make dental treatments difficult or impossible. For such purposes, hypnosis is often used in dental practice as an alternative for a number of treatments adjuvant or instead of sedation or general anaesthetics, as medication is often associated with risks and side effects. This is the first study to address the effects of a brief dental hypnosis on the fear processing structures of the brain in dental phobics using functional magnetic resonance imaging (fMRI)...
October 6, 2016: Journal of Physiology, Paris
https://www.readbyqxmd.com/read/27704709/comparative-evaluation-of-the-impact-of-minimally-invasive-preparation-vs-conventional-straight-line-preparation-on-tooth-biomechanics-a-finite-element-analysis
#14
Keyong Yuan, Chenguang Niu, Qian Xie, Wenxin Jiang, Li Gao, Zhengwei Huang, Rui Ma
Minimally invasive endodontics emphasizes preservation of a maximal amount of healthy tooth tissue. However, whether the tooth structure preserved by minimally invasive endodontics can maintain higher fracture resistance is unclear. This study aimed to compare the biomechanics on teeth after minimally invasive (MI) preparation and straight-line (SL) preparation using finite element analysis. Six finite element analysis models of a mandibular first molar were constructed and divided into two groups (MI and SL)...
December 2016: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/27641946/push-out-bond-strength-of-injectable-pozzolan-based-root-canal-sealer
#15
Emmanuel João Nogueira Leal Silva, Nancy Kudsi Carvalho, Marina C Prado, Mayara Zanon, Plinio Mendes Senna, Erick M Souza, Gustavo De-Deus
INTRODUCTION: The present study aimed to rank the bond strength to root dentin of a new injectable pozzolan-based root canal sealer, EndoSeal MTA, as compared with MTA Fillapex and AH Plus. METHODS: Eighteen dentinal slices (1 ± 0.1 mm) were obtained from the middle third of 6 maxillary incisors previously selected. Three canal-like holes with 0.8 mm diameter were drilled perpendicularly on the axial surface of each slice. Then, a standardized irrigation was applied for all holes that were subsequently filled with 1 of 3 test root canal sealers...
September 15, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27617974/effect-of-antioxidant-on-coronal-seal-of-dentin-following-sodium-hypochlorite-and-hydrogen-peroxide-irrigation
#16
S Gupta, A Paliwal, S Patel, M Bhati, Fyi Asiri, A H Shah
Aim: Comparative analysis of the coronal microleakage of a self-etching priming dentin adhesive with the use of antioxidant (Sodium Ascorbate (SA) and herbal quercetin) after Sodium hypochloride (NaOCl) and hydrogen-peroxide (H 2O2) irrigation. Materials and Methods: Seventy single root canals were enlarged and seven different treatment protocols were applied throughout the root canal treatment. The groups 1, 2 and 3 were irrigated with NaOCl. Group 1 was used as the negative control with only NaOCl irrigation whereas in group 2, Sodium ascorbate was applied as an additional irrigation agent following NaOCl...
October 15, 2015: West Indian Medical Journal
https://www.readbyqxmd.com/read/27617375/regenerative-endodontic-treatment-versus-apical-plug-in-immature-teeth-three-year-follow-up
#17
Saeed Asgary, Mahta Fazlyab, Ali Nosrat
This report compares and evaluates the treatment outcomes of regenerative endodontic treatment and apical plug as two accepted treatment protocols in a pair of necrotic immature maxillary central incisors of a 12-year old female. The patient was referred complaining of a dull pain and swelling in her upper lip area. She had a history of trauma to the anterior maxilla two years earlier. Both teeth were clinically diagnosed with pulp necrosis and periapical radiographs revealed that separate periapical radiolucent lesions surrounded the immature apices of both teeth...
2016: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27611749/root-fracture-of-abutment-teeth-for-partial-removable-dental-prostheses
#18
Yoko Mizuno, Tomoya Gonda, Toshihito Takahashi, Akiko Tomita, Yoshinobu Maeda
PURPOSE: Root fracture is a common and serious cause of abutment tooth loss. No studies to date have comprehensively assessed the individual contributions of the factors that increase stress on abutment teeth. The purpose of this study was to analyze the stress distribution in abutment teeth based on a three-dimensional finite element model and to analyze the factors that affect stress distribution. MATERIALS AND METHODS: Models were generated from the computed tomography data of a single patient, consisting of a mandibular second premolar abutment tooth, bone, residual mucous membrane, and a partial removable dental prosthesis (PRDP)...
September 2016: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/27598303/fracture-resistance-of-endodontically-retreated-roots-after-retreatment-using-self-adjusting-file-passive-ultrasonic-irrigation-photon-induced-photoacoustic-streaming-or-laser
#19
Aliye Kamalak, Ismail Uzun, Hakan Arslan, Ali Keleş, Ezgi Doğanay, Cangül Keskin, Merve Akçay
OBJECTIVE: Additional cleaning techniques and devices are required to remove maximum amount of residual filling material, which might limit disinfection of root canal system during retreatment. This study aimed to compare fracture resistance of roots when self-adjusting file (SAF), photon-induced photoacoustic streaming (PIPS), passive ultrasonic irrigation (PUI), erbium-doped yttrium aluminum garnet (Er:YAG), or neodymium-doped yttrium aluminum garnet (Nd:YAG) lasers are applied following the use of retreatment files in endodontics...
October 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27583047/outcomes-of-endodontic-therapy-comparing-conventional-sodium-hypochlorite-irrigation-with-passive-ultrasonic-irrigation-using-sodium-hypochlorite-and-ethylenediaminetetraacetate-a-retrospective-analysis
#20
Moritz Hertel, Katja Sommer, Eckehard Kostka, Sandra Maria Imiolczyk, Husam Ballout, Saskia Preissner
The aim of the present study was to investigate the clinical outcomes of two different standardized endodontic irrigation protocols. It was assumed that the additional use of ethylenediaminetetraacetate (EDTA) and passive ultrasonic irrigation (PUI) would result in an increased rate of absence of symptoms and remission based on the periapical index (PAI) compared to passive irrigation using only sodium hypochlorite (NaOCl). Data and radiographs from 199 teeth retrieved from the institutional endodontic database were analyzed retrospectively...
2016: Open Dentistry Journal
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