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https://www.readbyqxmd.com/read/29674831/using-a-syringe-needle-to-cut-dentin-and-dislodge-and-remove-a-metallic-obstruction-from-the-root-canal
#1
A R Vivekananda Pai, Varun Arora
A metallic obstruction in the canal orifice of a maxillary right canine could not be bypassed during endodontic treatment. Aids such as ultrasonics and retrieval kits were not available for the removal of the obstruction. Therefore, a novel approach using a disposable syringe needle was employed. A 22-gauge needle was inserted into the orifice and turned in an arc with a gentle apical pressure and alternate rocking motion around the obstruction. This procedure was repeated few times to cut dentin and successfully dislodge and remove the obstruction using the sharp beveled tip of the needle...
March 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29670732/analysis-of-sealing-ability-of-endodontic-cements-apical-plugs
#2
Bruna Cechella, Josiane de Almeida, Morgane Kuntze, Wilson Felippe
Background: It is unknown whether the bioactivity of Biodentine characterized by the precipitation of hydroxyapatite and formation of tags into the dentinal tubules improve its sealing ability as an apical plug. Aim: To evaluate the sealing ability provided by Biodentine and mineral trioxide aggregate (MTA) apical plugs, with or without phosphate-buffered saline (PBS) intracanal dressing, using a glucose leakage method. Material and Methods: The space of the canal of 100 root segments with about 12 mm long was shaped using Gates-Glidden...
February 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29663972/a-multidisciplinary-approach-to-restore-an-unconventional-crown-removal-of-traumatized-permanent-central-incisors
#3
Richard E Campbell, Heather T Morris, Kyle T Reynolds, Elizabeth S Gosnell
A 13-year-old female presented with traumatized maxillary central incisors that had been endodontically treated. Five years later, at a different dental office, she had the clinical crowns removed, leaving subgingival margins. From the patient's history and our initial assessment, it seemed as if the teeth had been fractured and luxated but not avulsed. Endodontic posts with spot-welded orthodontic brackets were temporarily cemented to enable orthodontic extrusion. Once access to restorable margins was obtained, the temporary posts were removed and conventional fiber posts with interim composite crowns were placed...
January 15, 2018: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/29662262/treatment-of-endo-periodontal-lesion-using-leukocyte-platelet-rich-fibrin-a-case-report
#4
Pablo Betancourt, Ricardo Elgueta, Ramon Fuentes
Case Description: The main objective of this paper was to report the clinical effectiveness of leukocyte- platelet- rich fibrin (L-PRF) in the treatment of a combined endo-periodontal lesion of an upper first premolar. Clinical Findings: The tooth had a profound abfraction on the vestibular aspect and presented no mobility but revealed a deep pocket measuring of 11 mm on the mesial vestibular aspect and 14 mm on the mesial palatine aspect. The three dimensional image analysis showed total bone loss in the mesial aspect and an extensively bone loss of the vestibular aspect of the vestibular root...
December 30, 2017: Colombia Médica: CM
https://www.readbyqxmd.com/read/29628653/comparison-of-anti-bacterial-efficiency-of-ibuprofen-diclofenac-and-calcium-hydroxide-against-enterococcus-faecalis-in-an-endodontic-model-an-in-vitro-study
#5
Sherin Jose Chockattu, B S Deepak, K Mallikarjun Goud
Context: One of the important goals of root canal therapy is disinfection aided by irrigation and intracanal medicaments. Commonly used nonsteroidal anti-inflammatory agents have shown anti-bacterial activity, thus, when used as intracanal medicaments, nonantibiotic agents have the potential to provide anti-inflammatory, local analgesic, and anti-bacterial activity. Aim: The aim of this study is to evaluate and compare the anti-bacterial efficiency of anti-inflammatory nonantibiotics ibuprofen and diclofenac, and routinely used intracanal dressing calcium hydroxide (Ca[OH]2 ), against Enterococcus faecalis , in an endodontic model...
January 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29627734/ex-vivo-fracture-resistance-of-teeth-restored-with-glass-and-fiber-reinforced-composite-resin
#6
Sulthan Ibrahim Raja Khan, Anupama Ramachandran, Abdulmohsen Alfadley, Jagan Kumar Baskaradoss
OBJECTIVES: This study aims to compare the ex vivo fracture resistance of root canal treated (RCT) teeth restored with four different types of fibers under composite resin. SUBJECTS AND METHODS: One hundred and forty extracted mandibular first molar teeth were assigned to seven groups (n = 20/group). Group 1 was the control group. In groups 2-7, endodontic access and standard Mesio-occluso-distal (MOD) cavities were prepared. Following RCT, group 2 was left unrestored...
March 29, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29599601/endodontic-management-of-radix-entomolaris-in-second-molar
#7
Parupalli Karunakar, Umrana Faizuddin, Madanala Nagarjun, M S Ranga Reddy
The presence of radix entomolaris (RE) in a mandibular first molar is a common occurrence, which accounts for 0.2%-32% of the population, but the presence of RE in a mandibular second molar is a rare occurrence in our ethnic group. This presence of additional root can lead to difficulties during endodontic treatment. A thorough knowledge of anatomy is necessary for the success of endodontic treatment. This article presents a review on clinical approach and a case series on the detection and management of RE on mandibular second molar...
January 2018: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29571910/guided-endodontic-access-in-maxillary-molars-using-cone-beam-computed-tomography-and-computer-aided-design-computer-aided-manufacturing-system-a-case-report
#8
Sônia T de O Lara-Mendes, Camila de Freitas M Barbosa, Caroline C Santa-Rosa, Vinícius C Machado
The aim of this study was to describe a guided endodontic technique that facilitates access to root canals of molars presenting with pulp calcifications. A 61-year-old woman presented to our service with pain in the upper left molar region. The second and third left molars showed signs of apical periodontitis confirmed by the cone-beam computed tomographic (CBCT) scans brought to us by the patient at the initial appointment. Conventional endodontic treatment was discontinued given the difficulty in locating the root canals...
March 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29571907/the-effects-of-endodontic-access-cavity-preparation-design-on-the-fracture-strength-of-endodontically-treated-teeth-traditional-versus-conservative-preparation
#9
Taha Özyürek, Özlem Ülker, Ebru Özsezer Demiryürek, Fikret Yılmaz
INTRODUCTION: The aim of this study was to compare the fracture strengths of mandibular molar teeth prepared using traditional endodontic cavity (TEC) and conservative endodontic cavity (CEC) methods and restored using SDR (Dentsply Caulk, Milford, DE) and EverX Posterior (GC Dental, Tokyo, Japan) base composite materials. METHODS: A hundred mandibular first molar teeth were randomly divided into 5 groups. In group 1 (the control group), samples were kept intact...
March 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29556558/effect-of-relative-head-position-on-the-anesthetic-efficacy-of-inferior-alveolar-nerve-block-during-endodontic-treatment-of-patients-with-irreversible-pulpitis
#10
Vivek Aggarwal, Mamta Singla, Sanjay Miglani
Background: The purpose of this prospective randomized single-blind clinical trial was to evaluate the effect of tilting the head on the anesthetic efficacy of inferior alveolar nerve block (IANB) in patients with symptomatic irreversible pulpitis. Methods: Ninety-two patients were divided into two groups: the first group received IANB and the head was tilted in the direction of the block for 15 min, whereas the second group received IANB and the head was tilted to the opposite side...
February 2018: Journal of Dental Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29550011/anatomic-study-of-mandibular-posterior-teeth-using-cone-beam-computed-tomography-for-endodontic-surgery
#11
Salahaddin Zahedi, Maryam Mostafavi, Neda Lotfirikan
INTRODUCTION: The present study aimed to anatomically assess mandibular posterior teeth using cone-beam computed tomographic (CBCT) imaging for endodontic surgery. METHODS: A total of 170 CBCT scans were evaluated for anatomic variations of mandibular posterior teeth. All the scans were obtained using a Planmeca Promax CBCT unit (Planmeca, Helsinki, Finland) with exposure settings of 90 kVp, 12 mA, 12 seconds, and 0.3-mm resolution. All CBCT images were reconstructed by Romexis Viewer 3...
March 14, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29550004/root-canal-wall-dentin-structure-in-uninstrumented-but-cleaned-human-premolars-a-scanning-electron-microscopic-study
#12
Zhejun Wang, Ya Shen, Markus Haapasalo
INTRODUCTION: Conventional endodontic treatment includes instrumentation of the canals in most cases to size #25/.06 or larger, which changes the original canal wall anatomy. In recent years, energy-driven equipment, such as photon-induced photoacoustic streaming (Fotona LLC, Dallas, TX) and a multisonic GentleWave system (Sonendo Inc, Laguna Hills, CA), have been introduced to facilitate cleaning of minimally instrumented canals or even uninstrumented canals. The purpose of this study was to examine root canal wall anatomy in premolar teeth cleaned by a noninstrumentation method after #10 K-file patency examination...
March 14, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29538481/epidemiological-analysis-and-need-for-endodontic-treatment-among-the-indigenous-sater%C3%A3-maw%C3%A3-and-tikuna
#13
Nely Cristina Medeiros Caires, Luciana Carla Neves de Brito, Leda Quercia Vieira, Antônio Paulino Ribeiro Sobrinho
The objective of this study was to analyze the epidemiological profile of oral health of Sateré-Mawé indigenous people living in Barreirinha, Amazonas (AM), Brazil, and the Tikuna indigenous people living in the urban area of Manaus (AM), in addition to characterizing the need for endodontic treatment between the two ethnic groups. A total of 138 individuals participated in the study, of whom 98 were Tikuna and 40 were Sateré-Mawé; they were distributed in age groups ranging from seven to 75 years. A very high prevalence of caries was observed in both ethnic groups...
March 8, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29532817/factors-affecting-ultrasonic-removal-of-separated-endodontic-instruments-a-retrospective-clinical-study
#14
Bálint Tordai, Károly Schreindorfer, Edina Lempel, Károly Krajczár
OBJECTIVE: The goal was to investigate the clinical value of two-dimensional radiographs and different radiographic measurement techniques before instrument removal with a microsonic technique. The aim was to find an easy-to-use technique for predicting the success of removal and case evaluation. Additionally the quality of root canal filling after instrument removal was assessed. METHOD AND MATERIALS: This retrospective study analyzed patients' records and preoperative and postoperative periapical radiographs made using the paralleling technique...
2018: Quintessence International
https://www.readbyqxmd.com/read/29516188/consistency-of-electronic-measurements-of-endodontic-working-length-when-using-multiple-devices-from-the-same-manufacturer-an-in-vitro-study
#15
Franziska Haupt, M Hülsmann
OBJECTIVES: To assess the consistency of electronic determination of endodontic working length obtained from four identical electronic root canal length measurement devices (ERCLMD) from five different types of ERCLMD each under various in vitro conditions. MATERIALS AND METHODS: Eight extracted teeth, seven single-rooted teeth, and one molar were accessed. Root length was measured and instruments were inserted and fixed with the tip placed beyond and short of the apical constriction, in roots with an artificial perforation or an open apex...
March 7, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29513237/the-effect-of-endodontic-access-on-the-failure-load-of-lithium-disilicate-and-resin-nanoceramic-cad-cam-crowns
#16
Christopher Lund, Peter Guevara
Currently, there is no consensus on whether crowns fabricated via computer-aided design/computer-aided manufacturing (CAD/CAM) need to be replaced following an endodontic procedure. The aim of this in vitro study was to evaluate the effect of endodontic access preparation and repair on the failure load of lithium disilicate and resin nanoceramic crowns. The hypothesis was that there would be no difference in the failure load between the intact and repaired crowns. Eighty identical mandibular CAD/CAM crowns (40 lithium disilicate glass ceramic [IPS e...
March 2018: General Dentistry
https://www.readbyqxmd.com/read/29486052/endodontic-applications-of-3d-printing
#17
REVIEW
J Anderson, J Wealleans, J Ray
Computer-aided design (CAD) and computer-aided manufacturing (CAM) technologies can leverage cone beam computed tomography (CBCT) data for production of objects used in surgical and nonsurgical endodontics and in educational settings. The aim of this article is to review all current applications of 3D printing in endodontics and to speculate upon future directions for research and clinical use within the specialty. A literature search of PubMed, Ovid and Scopus was conducted using the following terms: stereolithography, 3D printing, computer aided rapid prototyping, surgical guide, guided endodontic surgery, guided endodontic access, additive manufacturing, rapid prototyping, autotransplantation rapid prototyping, computer aided design (CAD), computer aided manufacturing (CAM)...
February 27, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29465073/-increasing-the-effectiveness-of-mandibular-molars-root-resection-surgery-using-retrograde-endodontic-revision
#18
A A Kulakov, V A Badalyan, Z M Stepanyan
The purpose of the present study was to increase the effectiveness of mandibular molars apical root resection surgery. The study included 21 patients with diagnosis 'persistent apical periodontitis', 'root cyst', in 11 cases surgery was performed with less traumatic access with piezoelectric surgery system for separation of cortical bone block and subsequent reposition after resection and retrograde root filling. The planning and procedure was described by 2 clinical cases. Bone block reposition surgical procedure showed clinical effectiveness and was considered as a most acceptable technique of root resection...
2018: Stomatologii︠a︡
https://www.readbyqxmd.com/read/29458136/changes-in-anatomic-position-of-root-canal-orifices-in-pluriradicular-teeth-following-re-location-during-endodontic-treatment
#19
Darian Rusu, Petra Surlin, Stefan-Ioan Stratul, Marius Boariu, Horia Calniceanu, Adrian Kasaj, Cosmin Sinescu, Andreea Didilescu
Direct access to the root canals in posterior teeth for endodontic treatment is most frequently facilitated by the straightening of the coronal parts of the root canals, having as a consequence the relocation of the canal orifices on the map of the floor of the pulp chamber (Christie & Thompson, 1994). This procedure intentionally moves the coronal aspect of a canal away from the center of the chamber, while simultaneously removing internal dentin from the pulp chamber walls. The aim of this study was to evaluate the displacement resulting from the relocation of root canal orifices during the initial phase of rotary root canal treatment in molars using the dental operating microscope (DOM) and digital image processing...
February 16, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29430103/effect-of-three-different-rotary-instrumentation-systems-on-postinstrumentation-pain-a-randomized-clinical-trial
#20
Arunajatesan Subbiya, Pavel S Cherkas, Paramasivam Vivekanandhan, Nagarajan Geethapriya, Dhakshinamoorthy Malarvizhi, Suresh Mitthra
Background: Endodontic instrumentation is liable to cause some postinstrumentation pain (PIP). Rotary endodontic instruments differ in their design, metallurgy, surface treatment, etc. Aim: This randomized clinical trial aimed to assess the incidence of PIP after root canal instrumentation with three different rotary endodontic systems which differ in their design, namely, ProTaper, Mtwo, and K3. Materials and Methods: A total of 150 patients between the ages of 25 and 50 were chosen for the study...
November 2017: Journal of Conservative Dentistry: JCD
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