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https://www.readbyqxmd.com/read/28821055/improvement-of-silicate-cement-properties-with-bacterial-cellulose-powder-addition-for-applications-in-dentistry
#1
Georgeta Voicu, Sorin-Ion Jinga, Bogdan-Gabriel Drosu, Cristina Busuioc
The goal of this paper was to synthesize a new family of composites starting from mineral binder powders and biocellulose membranes, with applications in endodontics. An important achievement consisted in the crushing of biocellulose 3D structure in a polygranular powder via an hydrothermal treatment. Afterwards, the polymer powder was mixed with silicate cement powders synthesized through the sol-gel technique. The resulting hybrid materials were investigated by thermal analysis, X-ray diffraction, scanning electron microscopy and mechanical measurements...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28819809/effect-of-synthetic-and-natural-derived-novel-endodontic-irrigant-solutions-on-mechanical-properties-of-human-dentin
#2
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/28818706/diabetes-increases-interleukin-17-levels-in-periapical-hepatic-and-renal-tissues-in-rats
#3
Mariane Maffei Azuma, João Eduardo Gomes-Filho, Annelise Katrine Carrara Prieto, Renata Oliveira Samuel, Valéria Marçal Felix de Lima, Dóris Hissako Sumida, Edilson Ervolino, Luciano Tavares Angelo Cintra
OBJECTIVES: This study aimed to evaluate the association between endodontic infection and diabetes on interleukin-17 levels in periapical, hepatic, and renal tissues of rats. DESIGN: Forty male rats were divided into groups: normoglycemic rats (N), normoglycemic rats with apical periodontitis (N-AP), rats with experimental diabetes (ED), and rats with experimental diabetes and apical periodontitis (ED-AP). Diabetes was induced by intravenous streptozotocin injection, and blood sugar levels were monitored to confirm disease development...
August 2, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28816300/-combination-of-periodontal-orthodontic-and-endodontic-therapy-in-upper-anterior-teeth-with-hopeless-prognosis-and-long-time-follow-up-a-case-report
#4
Y Li, L Xu, Y H Zhou, X Y Ouyang, T Cao
It is complicated to decide the treatment plan of hopeless anterior teeth in esthetic zone due to severe periodontitis, periodontal-endodontic combined lesion or teeth trauma. The optional treatment plan for this kind of teeth includes retention after periodontal treatment, extraction and implant treatment, extraction and prosthodontic treatment and so on. To make an appropriate treatment plan, patients' periodontal conditions, periodontal biotype, local anatomy, esthetic demand, economic condition and social psychological status should be comprehensively considered...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816182/a-survey-of-endodontic-practices-among-dentists-in-burkina-faso
#5
Wendpoulomdé Ad Kaboré, Valérie Chevalier, Yolande Gnagne-Koffi, Carole Dw Ouédraogo, Diouma Ndiaye, Babacar Faye
AIM: Dental surgeons must be aware of the most appropriate endodontic treatments and how to properly conduct them. The aim of this study was to evaluate the knowledge of dental surgeons in Burkina Faso in terms of endodontic treatment procedures. MATERIALS AND METHODS: This descriptive, cross-sectional study was performed during the regular annual conference of the National Board of Dental Surgeons of Burkina Faso, held on February 27 and 28, 2015 in Ouagadougou, through a questionnaire...
August 1, 2017: Journal of Contemporary Dental Practice
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
#6
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
#7
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
#8
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/28808698/subgingival-microbiome-of-gingivitis-in-chinese-undergraduates
#9
Ke Deng, Xiang Ying Ouyang, Yi Chu, Qian Zhang
OBJECTIVE: To analyse the microbiome composition of health and gingivitis in Chinese undergraduates with high-throughput sequencing. METHODS: Sequencing of 16S rRNA gene amplicons was performed with the MiSeq system to compare subgingival bacterial communities from 54 subjects with gingivitis and 12 periodontally healthy controls. RESULTS: A total of 1,967,372 sequences representing 14 phyla, 104 genera, and 96 species were detected. Analysis of similarities (Anosim) test and Principal Component Analysis (PCA) showed significantly different community profiles between the health control and the subjects with gingivitis...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28808641/management-of-large-class-ii-lesions-in-molars-how-to-restore-and-when-to-perform-surgical-crown-lengthening
#10
Ana Belén Dablanca-Blanco, Juan Blanco-Carrión, Benjamín Martín-Biedma, Purificación Varela-Patiño, Alba Bello-Castro, Pablo Castelo-Baz
The restoration of endodontic tooth is always a challenge for the clinician, not only due to excessive loss of tooth structure but also invasion of the biological width due to large decayed lesions. In this paper, the 7 most common clinical scenarios in molars with class II lesions ever deeper were examined. This includes both the type of restoration (direct or indirect) and the management of the cavity margin, such as the need for deep margin elevation (DME) or crown lengthening. It is necessary to have the DME when the healthy tooth remnant is in the sulcus or at the epithelium level...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28808632/survival-rates-against-fracture-of-endodontically-treated-posterior-teeth-restored-with-full-coverage-crowns-or-resin-composite-restorations-a-systematic-review
#11
REVIEW
Warattama Suksaphar, Danuchit Banomyong, Titalee Jirathanyanatt, Yaowaluk Ngoenwiwatkul
This systematic review aims to summarize the current clinical studies that investigated survival rates against fracture of endodontically treated posterior teeth restored with crowns or resin composite restorations. Literature search were performed using keywords. Publications from 1980 to 2016 were searched in PubMed, ScienceDirect, Web of Science, MEDLINE, and SCOPUS. Included studies were selected based on inclusion and exclusion criteria. Three clinical studies were included: 1 randomized controlled trial and 1 prospective and 1 retrospective cohort studies...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28808469/endodontic-surgery-of-a-symptomatic-overfilled-mta-apical-plug-a-histological-and-clinical-case-report
#12
Saeed Asgary, Sara Fayazi
This case report presents the successful surgical treatment of a symptomatic open apex upper central incisor with a failed overfilled mineral trioxide aggregate (MTA) apical plug. Unintentional overextension of the MTA had occurred two years before the initial visit. An apical lesion adjacent to the excess MTA was radiographically detectable. Endodontic surgery was performed using calcium-enriched mixture (CEM) cement as a root-end filling material. Curettage of the apical lesion showed a mass of unset MTA particles; histopathological examination revealed fragments of MTA and granulation tissues...
2017: Iranian Endodontic Journal
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
#13
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
#14
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/28808464/success-rate-and-time-for-bypassing-the-fractured-segments-of-four-niti-rotary-instruments
#15
Alireza Adl, Arash Shahravan, Melika Farshad, Shahab Honar
INTRODUCTION: The aim of this in vitro study was to compare the success rate and time required for bypassing the fractured segments of four different nickel-titanium (NiTi) rotary systems. METHODS AND MATERIALS: This study was conducted on the mesiobuccal canals of 60 mandibular molars with fully-formed apices. Fifteen Flex Master, K3, RaCe and Hero Shaper instruments with 0.04 taper and tip size of #30 and 25 mm in length, were obtained. These instruments were notched at a point 3 mm from the tip of the instrument and were driven into the canals using a handpiece until the instruments fractured and became lodged therein...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808463/micro-push-out-bond-strength-and-bioactivity-analysis-of-a-bioceramic-root-canal-sealer
#16
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
#17
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
#18
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/28808449/efficacy-of-enamel-matrix-derivative-in-vital-pulp-therapy-a-review-of-literature
#19
REVIEW
Shariq Najeeb, Zohaib Khurshid, Muhammad Sohail Zafar, Sana Zohaib, Fahad Siddiqui
INTRODUCTION: Vital pulp therapy (VPT) aims to preserve the health and maintain life of the tooth pulp which has been compromised by caries, trauma or restorative procedures. Recently, enamel matrix derivative (EMD) has been introduced as a material for vital pulp therapy. The aim of this review is to critically analyze and summarize the available literature on EMD for VPT. METHODS AND MATERIALS: Online databases (PubMED/MEDLINE, Google Scholar, ISI Web of Science, and Wiley-Online) were searched by using the following keywords in various combinations: Enamel Matrix Derivative, Emdogain, 'Vital Pulp Therapy, 'Apexogenisis', Apexification, Pulp Capping, Endodontics, Dentine and Pulpotomy for studies indexed from January 1949 to April 2016...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28807372/accuracy-of-orthopantomography-for-apical-periodontitis-without-endodontic-treatment
#20
Cosimo Nardi, Linda Calistri, Silvia Pradella, Isacco Desideri, Chiara Lorini, Stefano Colagrande
INTRODUCTION: This study aimed to evaluate the diagnostic accuracy of orthopantomography (OPT) for the detection of clinically/surgically confirmed apical periodontitis (AP) without endodontic treatment using cone-beam computed tomographic (CBCT) imaging as the reference standard. METHODS: One hundred twenty patients without endodontically treated AP (diseased group) were detected via CBCT imaging using the periapical index system. They were divided into groups of 10 each according to the size of the lesion (2-4...
August 11, 2017: Journal of Endodontics
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