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https://www.readbyqxmd.com/read/28819809/effect-of-synthetic-and-natural-derived-novel-endodontic-irrigant-solutions-on-mechanical-properties-of-human-dentin
#1
Doglas Cecchin, Vitória Soares Giaretta, Bérove Granella Cadorin, Matheus Albino Souza, Cristina de Mattos Pimenta Vidal, Ana Paula Farina
This study aimed to evaluate the effects of different synthetic and natural-derived root canal irrigants (6% sodium hypochlorite [NaOCl], 6% calcium hypochlorite [Ca(OCl)2] and 6.5% grape seed extract [GSE]) on dentin mechanical properties (flexural strength, ultimate tensile strength [UTS] and fracture resistance). Rectangular-shaped beams and hourglass-shaped sections obtained from mid-coronal and root dentin were treated with 6% NaOCl, 6% Ca(OCl)2 or 6.5% GSE for 30 min. The irrigant solutions were replaced every 5 min...
August 17, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28815256/-comparison-of-the-differences-in-pain-and-the-effect-of-ibuprofen-in-reducing-endodontic-flare-up-after-single-visit-root-canal-therapy-between-uyghur-and-han-patients-with-chronic-apical-periodontitis
#2
Lei Yan, Xin-Ying Wang, Na Wan, Pei-Ling Wu
PURPOSE: To compare the incidence of postoperative pain of chronic periapical periodontitis patients with root canal therapy between Han and Uygur, and the effect of ibuprofen in reducing endodontic flare-up after single-visit root canal therapy between Uyghur and Han patients with chronic apical periodontitis, in order to provide a basis for clinical administration. METHODS: Two hundred and fifty Uyghur and 250 Han patients with chronic apical periodontitis in their incisor, canine and premolar were collected, and randomly divided into 2 groups: experimental group and control group...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28814183/diagnoses-and-treatment-of-dental-disorders-in-a-research-colony-of-macaca-fascicularis-a-case-series
#3
Philippe Roux, Muriel Brecheisen, Rafael de Carvalho, Alessandra Bergadano
During daily routine oral examinations in a research colony of nonhuman primates (NHPs, Macaca fascicularis), a variety of oral-dental lesions were identified. A dental care program was established based on these findings. Based on the presence of dental clinical signs and their severity, 31 animals were triaged to be examined and treated by a veterinarian. Clinical examination consisted of visual inspection using a periodontal probe/explorer and full or partial mouth dental radiographs. Treatment was performed during the same procedure...
September 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28814182/regenerative-endodontics
#4
Kristina Feigin, Bonnie Shope
Regenerative endodontics has been defined as "biologically based procedure designed to replace damaged structures, including dentin and root structures, as well as cells of the pulp-dentin complex." This is an exciting and rapidly evolving field of human endodontics for the treatment of immature permanent teeth with infected root canal systems. These procedures have shown to be able not only to resolve pain and apical periodontitis but continued root development, thus increasing the thickness and strength of the previously thin and fracture-prone roots...
September 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28808468/treatment-of-a-maxillary-second-molar-with-one-buccal-and-two-palatal-roots-confirmed-with-cone-beam-computed-tomography
#5
Masoud Parirokh, Mahsa Razifar, Hamed Manochehrifar, Paul V Abbott, Nima Hatami, Nargessaddat Kashi, Aida Farhadi
Root canal configuration is an important subject in endodontic practice and dentists should be familiar with all possible types of root canal configuration. A forty-three year old male was referred for root canal treatment of his maxillary left second molar tooth with symptomatic irreversible pulpitis. Pre-operative radiographs showed a three rooted molar. However, after access cavity preparation two palatal and one buccal orifices were detected. The patient was informed of the unusual root canal anatomy and cone-beam computed tomography (CBCT) was ordered for precise evaluation of the anatomy...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808466/apical-microleakage-in-root-canals-containing-broken-rotary-instruments
#6
Mostafa Godiny, Reza Hatam, Atefeh Khavid, Shahryar Khanlari
INTRODUCTION: Broken instruments in root canals complicate routine endodontic treatment. This study aimed to compare apical microleakage in root canals containing broken rotary instruments filled with mineral trioxide aggregate (MTA), calcium-enriched mixture (CEM) cement, laterally compacted gutta-percha and injected gutta-percha. METHODS AND MATERIALS: In this in vitro, experimental study, 80 extracted human premolars were decoronated and then the roots were randomly divided into four groups (n=20)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808463/micro-push-out-bond-strength-and-bioactivity-analysis-of-a-bioceramic-root-canal-sealer
#7
Ceci Nunes Carvalho, Renata Grazziotin-Soares, George Táccio de Miranda Candeiro, Luis Gallego Martinez, Juliana Pereira de Souza, Patrícia Santos Oliveira, José Bauer, Giulio Gavini
INTRODUCTION: Bioactive endodontic sealers have been developed to improve the quality of root canal obturation. EndoSequence Bioceramic (BC) Sealer is amongst calcium silicate-based materials recently developed for permanent root canal filling. The objective of this study was to evaluate the bioactivity of BC Sealer and its micro push-out bond strength to dentin compared to AH-Plus (AH) sealer. METHODS AND MATERIALS: To perform the micro push-out test, 24 root canals of mandibular premolars were instrumented and divided into two groups (n=12)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808456/an-in-vitro-comparison-of-apically-extruded-debris-using-reciproc-protaper-universal-neolix-and-hyflex-in-curved-canals
#8
Hossein Labbaf, Kiumars Nazari Moghadam, Shahriar Shahab, Mahshid Mohammadi Bassir, Mohammad Amin Fahimi
INTRODUCTION: As a consequence of root canal preparation, dentinal chips, irrigants and pulp remnants are extruded into preradicular space. This phenomenon may lead to post endodontic flare-ups. The purpose of this study was to compare the amount of extruded debris with four endodontic NiTi engine-driven systems. METHODS AND MATERIALS: Sixty mesiobuccal roots of maxillary molars with 15-30˚ curvature were divided randomly into four groups (n=15). Each group was instrumented up to apical size of 25 using Reciproc, ProTaper Universal, Neolix and Hyflex...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808455/effect-of-nickel-chromium-and-non-precious-gold-color-alloy-cast-posts-on-fracture-resistance-of-endodontically-treated-teeth
#9
Fatemeh Gholami, Parisa Kohani, Shima Aalaei
INTRODUCTION: Root canal-treated teeth are weaker than vital teeth and are more susceptible to fractures. Therefore, special precautions should be adhered to, such as the use of various types of cast or prefabricated posts. Regarding the effect of post material on fracture resistance of teeth, the aim of this in vitro study was to evaluate the effect of non-precious gold color alloy (NPG) and nickel-chrome (Ni-Cr) cast posts on resistance of endodontically treated teeth. METHODS AND MATERIALS: In this study, 30 freshly extracted single-rooted premolar teeth were randomly divided into two groups...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28804934/complicated-untreated-apical-periodontitis-causing-paraesthesia-a-case-report
#10
Domenico Ricucci, Simona Loghin, José F Siqueira
The purpose of this article was to report a case of untreated apical periodontitis resulting in severe late complications. A patient with an asymptomatic crowned root canal-treated mandibular molar revealing a radiographic substandard endodontic treatment and a slight periapical radiolucency was made aware of the treatment options and opted for no treatment. The lesion slightly increased in size after 6 years, but the tooth remained asymptomatic and endodontic retreatment was again refused. After 4 more years, the patient presented with an abscess and severe pain, complicated by paraesthesia of the left chin and lip...
August 14, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/28804693/the-ability-of-reciproc-instruments-to-reach-full-working-length-without-glide-path-preparation-a-clinical-retrospective-study
#11
Andreas Bartols, Bernt-Peter Robra, Winfried Walther
BACKGROUND: Reciproc instruments are the only contemporary root canal instruments where glide path preparation is no longer strictly demanded by the manufacturer. As the complete preparation of root canals is associated with success in endodontic treatment we wanted to assess the ability and find predictors for Reciproc instruments to reach full working length (RFWL) in root canals of maxillary molars in primary root canal treatment (1°RCTx) and retreatment (2°RCTx) cases. METHODS: This retrospective study evaluated 255 endodontic treatment cases of maxillary molars...
2017: PeerJ
https://www.readbyqxmd.com/read/28803674/healing-of-apical-periodontitis-after-nonsurgical-treatment-in-patients-with-type-2-diabetes
#12
Suman Arya, Jigyasa Duhan, Sanjay Tewari, Pankaj Sangwan, Veena Ghalaut, Sameer Aggarwal
INTRODUCTION: The purpose of this prospective study was to compare the success of primary root canal treatment between type 2 diabetic and nondiabetic patients and to investigate the effect of periapical healing on glycated hemoglobin (HbA1c) in type 2 diabetic patients with apical periodontitis. METHODS: Sixty mandibular molars with necrotic pulps and apical radiolucency (size ≥ 2 mm × 2 mm) were included in the study. Based on the HbA1c levels, patients were divided into 2 groups: type 2 diabetic (HbA1c ≥6...
August 10, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28801267/primum-non-nocere-the-effects-of-sodium-hypochlorite-on-dentin-as-used-in-endodontics
#13
Li-Sha Gu, Xue-Qing Huang, Brandon Griffin, Brian R Bergeron, David H Pashley, Li-Na Niu, Franklin R Tay
The medical literature is replete with the maxim 'primum non nocere', cautioning health care providers to avoid doing any harm to human subjects in their delivery of medical care. Sodium hypochlorite (NaOCl) is a well-established irrigant for root canal treatment because of its antimicrobial and organic tissue remnant dissolution capability. However, little is known about the deleterious effect of this strong oxidizing agent on the integrity of human mineralized dentin. Iatrogenically-induced loss of dentin integrity may precipitate post-treatment root fracture and has potential medico-legal complications...
August 8, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28800075/biofilms-in-endodontics-current-status-and-future-directions
#14
REVIEW
Prasanna Neelakantan, Monica Romero, Jorge Vera, Umer Daood, Asad U Khan, Aixin Yan, Gary Shun Pan Cheung
Microbiota are found in highly organized and complex entities, known as biofilms, the characteristics of which are fundamentally different from microbes in planktonic suspensions. Root canal infections are biofilm mediated. The complexity and variability of the root canal system, together with the multi-species nature of biofilms, make disinfection of this system extremely challenging. Microbial persistence appears to be the most important factor for failure of root canal treatment and this could further have an impact on pain and quality of life...
August 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28796346/fracture-of-nickel-titanium-rotary-instrument-during-root-canal-treatment-and-re-treatment-a-5-year-retrospective-study
#15
K Alfouzan, A Jamleh
AIM: To evaluate retrospectively the incidence of K3 nickel titanium rotary instrument fracture in referred cases during root canal treatment and re-treatment. METHODOLOGY: Clinical and radiographic reports of 12867 endodontic cases treated at the King Abdulaziz medical city between January 2010 and November 2015 were reviewed to obtain information on intra-canal fractured instruments with respect to the treatment performed, tooth type, and the size and at what level the instrument fractured (coronal, middle or apical)...
August 10, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28782855/effect-of-maleic-acid-on-the-bond-strength-of-fibre-posts-to-root-dentine
#16
Fan Fan, Muhammad Ibrahim, Panpan Dai, Yixin Mao, Bing He, Gang Wu, Jianfeng Ma, Shengbin Huang
The aim of this study was to evaluate the effect of maleic acid (MA) on both the bond strength of fibre post to root dentine and smear layer removal after post space preparation. Sixty, single-canal premolars were endodontically treated and randomly assigned to four groups: group 1 [0.9% saline solution (control]); group 2 [2.5% sodium hypochlorite (NaOCl)]; group 3 [17% ethylenediaminetetraacetic acid (EDTA) followed by 2.5% NaOCl]; and group 4 (7% MA followed by 2.5% NaOCl). Self-adhesive resin cement was used to test the adhesion of a glass-fibre post to the root dentine through a micropush-out test...
August 7, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28766814/conservative-endodontic-management-of-a-fused-tooth-a-case-report
#17
Romana Persic Bukmir, Alen Braut, Ivana Brekalo Prso
OBJECTIVE: To report a conservative treatment of a rare developmental anomaly. CASE REPORT: A 73-year-old patient with previously initiated therapy and acute apical abscess of a maxillary right central incisor fused with the supernumerary tooth sought treatment. The conservative approach included nonsurgical root canal treatment and composite restoration. CONCLUSION: This case illustrates the importance of an individual approach when treating anomalous teeth...
September 2017: Gerodontology
https://www.readbyqxmd.com/read/28765825/comparison-of-the-effect-of-prp-prf-and-induced-bleeding-in-the-revascularization-of-teeth-with-necrotic-pulp-and-open-apex-a-triple-blind-randomized-clinical-trial
#18
Vasundara Yayathi Shivashankar, Dexton Antony Johns, Ramesh Kumar Maroli, Mahalaxmi Sekar, Rathinavel Chandrasekaran, Shanmugavel Karthikeyan, Senthil Kumar Renganathan
INTRODUCTION: Treatment of a tooth with necrotic pulp and open apex is a special challenge to the clinicians. Apexification with calcium hydroxide and MTA barrier technique fails to induce continued root maturation which makes the tooth susceptible to root fracture. Hence, an ideal outcome for such a tooth should be regeneration of pulp like tissue into the root canal capable of continuing normal root maturation. AIM: This study aims to compare the effect of Platelet Rich Fibrin (PRF), induced bleeding technique and Platelet Rich Plasma (PRP) in the revascularization of tooth with necrotic pulp and open apex...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28764306/radix-distolingualis-a-case-report-review-and-endodontic-treatment-guidelines
#19
Arunajatesan Subbiya, Suresh Mitthra, Sherin Banu, Dhakshinamoorthy Malarvizhi
Variation in the root and canal morphology of maxillary second molars is quite common. The most common configuration is three roots and three or four canals. But the presence of an additional palatal root is rather uncommon and has been reported to have an incidence of 1.4%. The extra root is located mesiolingual or distolingual to the primary palatal root. This is a unique case report that describes the successful endodontic management of a maxillary second molar with Radix Distolingualis (RDL). Identification of this variation was done through clinical examination, multi-angled radiographs, surgical operating microscope and an accurate assessment of this morphology was made with the help of Cone Beam Computed Tomography (CBCT) imaging...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28764303/surgical-management-of-a-separated-endodontic-instrument-using-second-generation-platelet-concentrate-and-hydroxyapatite
#20
S L Satheesh, Shefali Jain, Atul Chandra Bhuyan, Lekshmy S Devi
Fractured endodontic instrument is an unfortunate endodontic mishap which may obstruct thorough cleaning and shaping of the root canals with potential impact on the endodontic prognosis and treatment outcome. When the fractured segment lies apical to canal curvature, overzealous removal of tooth structure is required to gain access to the separated segment which in turn increases the likelihood of root fracture. In infected cases, the stage at which instrument separation occurs is crucial as root canal disinfection is jeopardized...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
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