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https://www.readbyqxmd.com/read/29676971/conservative-treatment-of-a-complicated-crown-root-fracture-using-adhesive-fragment-reattachment-and-composite-resin-restoration-two-year-follow-up
#1
A V Martins, R C Albuquerque, L D Lanza, Ê L Vilaça, Nrfa Silva, A N Moreira, R R da Silveira
Crown-root fracture is one of the most challenging fracture types in the dental traumatology literature. Traumatized anterior teeth require quick functional and esthetic repair. In the case of a complex crown fracture of the maxillary left central incisor, requiring endodontic treatment, a fiber-reinforced post was used to create a central support stump to restore the dental morphology. This report describes the clinical procedures involved in the treatment. After two years of follow-up, the clinical and radiographic findings demonstrated that the adopted clinical protocol was successful and yielded healthy periodontal tissues with no signs of periradicular pathology...
May 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29675516/biomechanical-effect-of-ferrule-on-incisors-restored-with-a-fiberglass-post-and-lithium-disilicate-ceramic-crown-after-thermal-cycling-and-fatigue-loading
#2
Andréa Dolores Correia Miranda Valdivia, Monise de Paula Rodrigues, Aline Aredes Bicalho, Bart Van Meerbeek, Jos Vander Sloten, Roberto Sales E Pessoa, Carlos José Soares
PURPOSE: To evaluate the biomechanics of endodontically treated incisors restored with a fiberglass post and a CAD/CAM lithium-disilicate ceramic crown with/without a ferrule after thermal and mechanical aging. MATERIALS AND METHODS: Twenty bovine incisors were divided into two groups (n = 10): 1. Fe, with a ferrule of 2 mm, and 2. NFe, without a ferrule. After endodontic treatment, the teeth were restored using a fiberglass post (Exacto 3, Angelus) and composite core (Tetric Ceram, Ivoclar Vivadent)...
April 19, 2018: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/29675513/endodontic-sealers-affect-the-bond-strength-of-fiber-posts-and-the-degree-of-conversion-of-two-resin-cements
#3
Thais Camponogara Bohrer, Patricia Eliana Fontana, Vinicius Felipe Wandscher, Victor Hugo Carvalho Morari, Sailer Santos Dos Santos, Luiz Felipe Valandro, Osvaldo Bazzan Kaizer
PURPOSE: To evaluate the effect of two endodontic sealers on the push-out bond strength between fiber posts and root canal wall after different storage times and verify the influence of the endodontic sealers on the degree of conversion of composite cements. MATERIALS AND METHODS: A total of 180 bovine teeth were endodontically treated using two endodontic sealers, eugenol- based (Endofill, Dentsply Maillefer) or epoxy resin-based (AH Plus, Dentsply Maillefer). Subsequently, the specimens were stored in 100% relative humidity at 37°C for 24 h, 6 or 12 months...
April 19, 2018: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/29675119/microscopic-features-of-fractured-fragment-of-nickel-titanium-endodontic-instruments-by-two-different-modes-of-torsional-loading
#4
Ibrahim H Abu-Tahun, Sang Won Kwak, Jung-Hong Ha, Hyeon-Cheol Kim
This study compared the microscopic features of the fractured endodontic nickel-titanium (NiTi) rotary instruments by two different torsional loadings: repetitive torsional loading (RTL) and single torsional loading (STL) based on the International Organization for Standardization (ISO). ProTaper Next, HyFlex EDM, and V-Taper 2 were compared in this study. In the STL method, the torsional load was applied after fixing the 3 mm tip of the file, by continuous clockwise rotation (2 rpm) until fracture. In the RTL method, a preset rotational loading (0...
2018: Scanning
https://www.readbyqxmd.com/read/29674831/using-a-syringe-needle-to-cut-dentin-and-dislodge-and-remove-a-metallic-obstruction-from-the-root-canal
#5
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/29674820/an-in-vitro-evaluation-of-the-degree-of-pulp-tissue-dissolution-through-different-root-canal-irrigation-protocols
#6
Massimo Amato, Giuseppe Pantaleo, Dina Abtellatif, Andrea Blasi, Massimo Gagliani, Alfredo Iandolo
Aim: The aim of this study is to evaluate in vitro , using artificial lateral canals, the rate of dissolution of the pulp tissue through different protocols of canal irrigation. Materials and Methods: One hundred artificial canals provided with lateral canals have been used. Each lateral canal was filled with pulp tissue and calibrated to 0.002 mg. All canals were irrigated using five different protocols. Five groups have been used for the experiment: Group A, distilled water (control); Group B, preheated NaOCl; Group C, NaOCl heated inside the canal; Group D, NaOCl ultrasonically activated; and Group E, NaOCl heated inside the canal with ultrasonic activation...
March 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29674815/apical-dye-leakage-of-two-single-cone-root-canal-core-materials-hydrophilic-core-material-and-gutta-percha-sealed-by-different-types-of-endodontic-sealers-an-in-vitro-study
#7
Mohamed Abdel Aziz Mohamed El Sayed, Hussam Al Husseini
Aim of the Study: The aim of this study was to compare the apical sealing ability of two single-cone filling materials when sealed with different types of root canal sealers. Materials and Methods: Eighty extracted maxillary and mandibular canines were selected and their crowns were cut. The root canals were prepared using ProTaper Universal rotary system until size F4 and then divided into seven experimental groups ( n = 10 each) and two control groups ( n = 5 each)...
March 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29674810/rotary-science-and-its-impact-on-instrument-separation-a-focused-review
#8
REVIEW
Sandhya Anand Khasnis, Prem Prakash Kar, Apoorva Kamal, Jayaprakash D Patil
Efficient endodontic treatment demands thorough debridement of the root canal system with minimal procedural errors. The inherent weakness of nickel-titanium alloys is their unexpected breakage. Modifications in the design, manufacturing, thermomechanical and surface treatment of alloys and advancements in movement kinetics have shown to improve the fatigue properties of the alloys, reducing the incidence of separation. This review enlightens the impact of these factors on fatigue properties of the alloy.
March 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29670732/analysis-of-sealing-ability-of-endodontic-cements-apical-plugs
#9
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/29670731/effect-of-different-irrigations-on-the-bond-strength-of-self-adhesive-resin-cement-to-root-dentin
#10
Carlos Garcia, Edwin Ruales-Carrera, Luiz-Henrique-Maykot Prates, Claudia-Angela-Maziero Volpato
Background: Different disinfectant solutions or medications are indicated prior fiber post bonding procedures.The aim was to evaluate the effect of different pretreatments of root canal on the bond strength of a fiber post luted to dentin with self-adhesive resin cement. Material and Methods: Forty-eight single-rooted mandibular premolars were endodontically treated and prepared to receive fiber posts. Teeth were assigned to four groups (n=12). Root canal walls were subjected to no pretreatment (G1 - control); irrigation with 10 mL of 5% sodium hypochlorite (NaOCl) (G2); 10 mL of 17% ethylenediaminetetraacetic acid (EDTA) associated with 10 mL of 5% NaOCl (G3); or 10 mL of 17% EDTA (G4)...
February 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29670720/clinical-and-radiographic-assessment-of-reasons-for-replacement-of-metal-ceramic-fixed-dental-prostheses-in-patients-referring-to-dental-school
#11
Roa'a Al Refai, Samah Saker
Background: The expected length of service and reasons for fixed dental prostheses (FDPs) replacement are a frequent inquiry by patients while the answers were mainly based on studies reports that was conducted outside the middle east region. This clinical and radiographic survey was constructed to assess and survey clinically and radiographically the reasons of replacement of metal-ceramic fixed dental prostheses, amongst patients reporting at dental school in Taibah University. Material and Methods: Between January and May 2016, 151 patients were recruited for this study...
January 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29670719/effectiveness-of-nd-yag-laser-on-the-elimination-of-debris-and-smear-layer-a-comparative-study-with-two-different-irrigation-solution-edta-and-qmix%C3%A2-in-addition-to-naocl
#12
Paloma Montero-Miralles, Roberto Estévez-Luaña, César DeGregorio-González, Oliver Valencia-dePablo, David E Jaramillo, Rafael Cisneros-Cabello
Background: The aim of this study was to evaluate the effectiveness in dentin debris and smear layer removal from root canal walls using EDTA and QMix® alone and also activated with Nd:YAG laser. Material and Methods: 50 single-rooted teeth were instrumented and divided in 5 groups according to irrigation protocol: 17% EDTA, QMix®, Nd:YAG laser alone, and combination of 17% EDTA - Nd:YAG laser and QMix® - Nd:YAG laser. Samples were evaluated using SEM. Statistical analysis was done using Chi-Square Fisher exact test and McNemar test...
January 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29670715/the-effect-of-surface-topographical-changes-of-two-different-surface-treatments-rotary-instrument
#13
Nashwan-Ahmed Qaed, Bilal-Diab Mourshed, Hashem-Motahir Al-Shamiri, Nader Alaizari, Saleh-Sulaiman Alhamdah
Background: One of the major innovations in endodontics has been the introduction of nickel-titanium (NiTi) alloy. This study evaluated the surface topographical changes of two different surface treatments rotary instrument after instrumentation and sterilization. Material and Methods: 240 Extracted teeth were included in this study. 90 new AlphaKite and Revo-S NiTi rotary instruments were selected and divided into two groups (Group A 45 AlphaKite and group B 45 Revo-S)...
January 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29665303/asian-pacific-endodontic-confederation-apec-report
#14
Sanjay Miglani, Hyeon-Cheol Henry Kim
No abstract text is available yet for this article.
April 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29663972/a-multidisciplinary-approach-to-restore-an-unconventional-crown-removal-of-traumatized-permanent-central-incisors
#15
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/29662971/management-of-heat-induced-bone-necrosis-following-thermal-removal-of-gutta-percha
#16
Rania Livada, Kalid Hosn, Jacob Shiloah, K Mark Anderson
Many endodontically treated teeth require a post to improve the retention of the coronal restoration, which necessitates removal of the coronal part of the gutta-percha from the canal by thermal method, among other techniques. However, this technique carries the risk of heat conduction to the attachment unit of the periodontium and infliction of permanent damage especially in cases where the remaining root's dentin walls are thin. The overall objective of this article is to report on the clinical manifestations, histologic description, and periodontal management of three cases of heat-induced damage following thermal removal of gutta-percha...
April 16, 2018: Quintessence International
https://www.readbyqxmd.com/read/29662262/treatment-of-endo-periodontal-lesion-using-leukocyte-platelet-rich-fibrin-a-case-report
#17
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/29661188/molecular-and-clinical-analyses-of-helicobacter-pylori-colonization-in-inflamed-dental-pulp
#18
Ryota Nomura, Yuko Ogaya, Saaya Matayoshi, Yumiko Morita, Kazuhiko Nakano
BACKGROUND: Recently, dental pulp has been considered a possible source of infection of Helicobacter pylori (H. pylori) in children. We previously developed a novel PCR system for H. pylori detection with high specificity and sensitivity using primer sets constructed based on the complete genome information for 48 H. pylori strains. This PCR system showed high sensitivity with a detection limit of 1-10 cells when serial dilutions of H. pylori genomic DNA were used as templates. However, the detection limit was lower (102 -103 cells) when H...
April 16, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29658070/effect-of-photobiomodulation-therapy-on-postoperative-pain-after-endodontic-treatment-a-randomized-controlled-clinical-study
#19
Luana Pontes Barros Lopes, Fernando José Herkrath, Elizângela Cristina Barbosa Vianna, Erivan Clementino Gualberto Júnior, André Augusto Franco Marques, Emílio Carlos Sponchiado Júnior
OBJECTIVE: The aim of this prospective, randomized, clinical study was to assess the effect of photobiomodulation therapy (PBM) with low-level laser irradiation (LLLI) on postoperative pain after endodontic treatment. MATERIALS AND METHODS: Sixty patients, diagnosed with irreversible pulpitis in lower molar teeth, participated in the study. All treatments were performed by a single operator. Participants were randomly divided into two groups: in the experimental group (EG), endodontic treatment was performed with a reciprocating system, immediately followed by PBM with LLLI; and only endodontic treatment was performed in the control group (CG)...
April 16, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29657539/cone-beam-computed-tomography-in-the-assessment-of-periapical-lesions-in-endodontically-treated-teeth
#20
Gianluca Gambarini, Lucila Piasecki, Gabriele Miccoli, Gianfranco Gaimari, Dario Di Nardo, Luca Testarelli
Objective: This study aimed to evaluate the relationship between the quality of the coronal restoration and the root canal filling on the periapical status of endodontically treated teeth using CBCT. Materials and Methods: CBCT data were obtained from the records of patients who deny any dental treatment in the 2 years prior to the CBCT examination. CBCT images (90 kVp and 7 mA, exposure time of 23 s, and a voxel size of 0.2 mm, with a field of view of 13 cm × 13 cm) of 1011 endodontically treated teeth were observed...
January 2018: European Journal of Dentistry
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