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Root canal treated teeth restoration

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https://www.readbyqxmd.com/read/29785163/management-of-intrinsic-discoloration-using-walking-bleach-technique-in-maxillary-central-incisors
#1
Sanket Hans Pandey, Pallav Mahesh Patni, Pradeep Jain, Arpita Chaturvedi
Introduction: Non-vital bleaching is a non-invasive technique to treat the intrinsic discoloration of teeth of several etiologies. Hydrogen peroxide and sodium perborate are commonly used bleaching agents. Aim: The aim of this case report is to demonstrate the non-vital bleaching technique in maxillary anterior teeth. Method: Maxillary central incisors were isolated with rubber dam and root canal treatment was performed. Barrier space preparation was done using a heated instrument...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29780745/impact-of-minimal-root-canal-taper-on-the-fracture-resistance-of-endodontically-treated-bicuspids
#2
Carla Zogheib, Germain Sfeir, Gianluca Plotino, Gustavo De Deus, Maha Daou, Issam Khalil
Objective: Minimal invasive endodontics preserve coronal and radicular tooth structure to increase the fracture resistance of teeth. The aim of this study was to assess the influence of final preparation taper on the fracture resistance of maxillary premolars. Materials and Methods: Sixty maxillary premolars were selected and divided into 2 groups: 30 were shaped with a final apical diameter 30 and a 4% taper and 30 with 6% taper using iRaCe® instrument (FKG dentaire, Switzerland)...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29742252/influence-of-remaining-coronal-thickness-and-height-on-biomechanical-behavior-of-endodontically-treated-teeth-survival-rates-load-to-fracture-and-finite-element-analysis
#3
Gislene Corrêa, Lucas P Brondani, Vinícius F Wandscher, Gabriel K R Pereira, Luiz F Valandro, César D Bergoli
Objective To evaluate the effect of restorative strategy (fiber post vs cast post and core), coronal height (0 mm vs 2 mm) and thickness (higher than 1 mm vs lower than 1 mm) on survival rate, fracture resistance and stress distribution. Material and Methods Seventy-two bovine teeth were cleaned and allocated in six groups (n = 12). Twenty-four teeth were sectioned at 13 mm length (no remaining coronal structure) and forty-eight were sectioned at 15 mm (2 mm remaining coronal structure). Half of the forty-eight had remaining coronal thickness lower than 1 mm and the other half had thickness higher than 1 mm...
2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29736185/evaluation-of-different-restoration-combinations-used-in-the-reattachment-of-fractured-teeth-a-finite-element-analysis
#4
Nagihan Guven, Ozgur Topuz, İhsan Yikilgan
Objective: The purpose of this study was to test different restoration combinations used for constructing fractured endodontically treated incisors by reattaching their fractured fragments. Methods: Seven types of 3-D FEM mathematical root canal-filled models were generated, simulating cases of (OB) reattaching fractured fragments; (CrPL) reattaching fractured fragments + ceramic palatinal laminate; (CmPL) reattaching fractured fragments + composite palatinal laminate; (CM) reattaching fractured fragments + coronal 1/3 of the root was filled using core material; (BP) reattaching fractured fragments + glass fiber post; (CP) composite resin restoration + glass fiber post; and (OC) composite resin restoration...
2018: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/29681479/full-pulpotomy-with-biodentine-in-symptomatic-young-permanent-teeth-with-carious-exposure
#5
Nessrin A Taha, Sakhaa Z Abdulkhader
INTRODUCTION: This prospective study evaluated the outcome of Biodentine (Septodont, Saint Maur des Fosses, France) pulpotomy in young permanent teeth with carious exposure. METHODS: Twenty permanent molar teeth in 14 patients with carious pulp exposure were treated with Biodentine pulpotomy. The age of the patients ranged from 9-17 years (12.3 ± 2.7 years). A preoperative pulpal and periapical diagnosis was established. After informed consent, the tooth was anesthetized, isolated via a dental dam, and disinfected with 5% sodium hypochlorite before caries excavation...
April 19, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29662971/management-of-heat-induced-bone-necrosis-following-thermal-removal-of-gutta-percha
#6
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/29657539/cone-beam-computed-tomography-in-the-assessment-of-periapical-lesions-in-endodontically-treated-teeth
#7
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
https://www.readbyqxmd.com/read/29652016/effect-of-inadequate-ferrule-segment-location-on-fracture-resistance-of-endodontically-treated-teeth
#8
Satheesh B Haralur, Ahmed Fatis Alalyani, Mohammad Ali Almutiq, Abdulrahman Ahmed Alfaifi, Amer Abdullah Al-Shehri
Introduction: The circumferential 2 mm ferrule during the fabrication of the crown is strongly advocated for the long-term clinical success. During the routine clinical practice, the dentist encounters the endodontically treated tooth (ETT) with inadequacy of the ferrule in some segment due to caries, abrasion, and erosions. The aim of this in vitro study was to investigate the consequence of inadequate segmental ferrule location on fracture strength of the root canal-treated anterior and posterior teeth...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29628658/internal-tunneling-resorption-associated-with-invasive-cervical-resorption
#9
Pallav Mahesh Patni, Pradeep Jain, Sumeet Jain, Hemalatha Hiremath, Rolly Agarwal, Mona Jain Patni
Treating pathological defects that are caused by resorption in teeth can be challenging. The task is complicated further if the resorption extends beyond the restrains of the root. The aim of this report is to describe a case of extensive internal tunneling resorption (ITR) associated with invasive cervical resorption (ICR) in a maxillary right lateral incisor and its nonsurgical treatment. A 22-year-old male was referred to the department of endodontics with a chief complaint of discolored maxillary right lateral incisor or tooth 12 and a history of trauma...
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
#10
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/29459151/biomechanical-effects-of-bonding-pericervical-dentin-in-maxillary-premolars
#11
Nghia Huynh, Fang-Chi Li, Shimon Friedman, Anil Kishen
INTRODUCTION: Pericervical dentin (PCD) loss may increase root fracture propensity in root-filled teeth. This study evaluated the impacts of bonding PCD with composite resin (CR) on radicular microstrain distribution and load at failure of root-filled maxillary premolars. METHODS: Ten single-canal maxillary premolars decoronated 2 mm coronal to the cementoenamel junction (CEJ) had canals enlarged with ProTaper Universal instruments (Dentsply Tulsa Dental Specialties, Tulsa, OK) to F3...
April 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29429822/12-month-success-of-cracked-teeth-treated-with-orthograde-root-canal-treatment
#12
Keith V Krell, Daniel J Caplan
INTRODUCTION: Long-term studies examining the treatment outcomes of "cracked teeth" that received orthograde root canal treatment in the United States do not exist. The purpose of the present study was to examine the distribution and 1-year treatment outcomes of cracked teeth receiving orthograde root canal treatment in 1 private endodontic practice over a 25-year period. METHODS: A total of 3038 cracked teeth were initially examined, and data from 2086 unique patients were analyzed...
April 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29354883/prevalence-of-technical-errors-and-periapical-lesions-in-a-sample-of-endodontically-treated-teeth-a-cbct-analysis
#13
Eduarda Helena Leandro Nascimento, Hugo Gaêta-Araujo, Maria Fernanda Silva Andrade, Deborah Queiroz Freitas
OBJECTIVES: The aims of this study are to identify the most frequent technical errors in endodontically treated teeth and to determine which root canals were most often associated with those errors, as well as to relate endodontic technical errors and the presence of coronal restorations with periapical status by means of cone-beam computed tomography images. METHODS: Six hundred eighteen endodontically treated teeth (1146 root canals) were evaluated for the quality of their endodontic treatment and for the presence of coronal restorations and periapical lesions...
January 21, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29336522/continued-root-maturation-despite-persistent-apical-periodontitis-of-immature-permanent-teeth-after-failed-regenerative-endodontic-therapy
#14
Louis M Lin, Sahng G Kim, Gabriela Martin, Bill Kahler
Three immature permanent teeth with pulp necrosis and apical periodontitis were treated with regenerative endodontic therapy (RET), which included root canal disinfection with sodium hypochlorite irrigation, intra-canal medication with calcium hydroxide paste, 17% EDTA rinse, induction of periapical bleeding into the canal, collagen matrix and MTA coronal seal, and composite resin restoration of access cavities. After different periods of follow-up, it was observed that continued root maturation, especially apical closure occurred despite persistent apical periodontitis of immature permanent teeth after failed RET...
January 16, 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29251451/cad-cam-post-and-core-using-different-esthetic-materials-fracture-resistance-and-bond-strengths
#15
Denis Roberto Falcão Spina, Rogério Goulart da Costa, Isabelli Carolini Farias, Leonardo Gonçalves da Cunha, André Vicente Ritter, Carla Castiglia Gonzaga, Giselle Maria Correr
PURPOSE: To evaluate the fracture resistance (FR), and push-out bond strengths (BS) of custom-made CAD/CAM post-and-cores manufactured with different esthetic materials. METHODS: 90 single-rooted extracted teeth were selected, endodontically treated and prepared to receive the posts. The specimens were randomly divided into three equal groups according to the material: hybrid ceramic Vita Enamic (HC); nano-ceramic resin composite Lava Ultimate (RC); and experimental epoxy-resin reinforced by glass-fiber (FG)...
December 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29246376/evaluation-of-related-factors-in-the-failure-of-endodontically-treated-teeth-a-cross-sectional-study
#16
Keziban Olcay, Hanife Ataoglu, Sema Belli
INTRODUCTION: The aim of this study was to review the factors related to the failure and extraction of unsuccessful endodontically treated teeth. METHODS: A total of 1000 teeth treated with nonsurgical root canal therapy were analyzed, and the following information was recorded for each patient: reasons for failure and extraction, type of tooth, presence and type of coronal restoration, smoking status, age, gender, and level of education. One main reason was recorded for each failed tooth...
January 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29241944/fracture-resistance-and-failure-modes-of-polymer-infiltrated-ceramic-endocrown-restorations-with-variations-in-margin-design-and-occlusal-thickness
#17
Doaa Taha, Sebastian Spintzyk, Christine Schille, Ahmed Sabet, Marwa Wahsh, Tarek Salah, Jürgen Geis-Gerstorfer
PURPOSE: The purpose of this in vitro study was to assess the effect of varying the margin designs and the occlusal thicknesses on the fracture resistance and mode of failures of endodontically treated teeth restored with polymer infiltrated ceramic endocrown restorations. METHODS: Root canal treated mandibular molars were divided into four groups (n=8) and were prepared to receive Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) fabricated polymer infiltrated ceramic endocrowns (ENAMIC blocks)...
December 11, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29233146/apical-periodontitis-in-southern-estonian-population-prevalence-and-associations-with-quality-of-root-canal-fillings-and-coronal-restorations
#18
Veiko Vengerfeldt, Reet Mändar, Minh Son Nguyen, Silvia Saukas, Mare Saag
BACKGROUND: Apical periodontitis (AP) is an inflammatory disease around the apex of a tooth root. Reported prevalence of AP ranges from 27% to 83% while the data about most post-Soviet countries are still missing. Knowing the prevalence of AP within a certain population helps to plan the treatment need and evaluate the success of endodontic interventions. We aimed to collect data about prevalence and determining factors of AP for the first time in Estonia. METHODS: The cross-sectional study included 6552 patients (age 35...
December 12, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29225653/nonsurgical-management-of-an-immature-maxillary-central-incisor-with-type-iii-dens-invaginatus-using-mta-plug-a-case-report
#19
Negar Norouzi, Majid Kazem, Atefeh Gohari
Dens invaginatus is a developmental anomaly, caused by deepening of the enamel organ into the dental papilla before calcification of the dental tissues. Teeth with dens invagination are susceptible to early caries and pulp necrosis within a few years of eruption or even before root end closure. This article reports two immature maxillary central incisors with type I and III dens invaginatus which had necrotic pulp and a large periradicular lesion, that were treated successfully by nonsurgical root canal treatment...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225652/repair-of-iatrogenic-furcal-perforation-with-mineral-trioxide-aggregate-a-seven-year-follow-up
#20
Jardel Camilo do Carmo Monteiro, Mateus Rodrigues Tonetto, Matheus Coêlho Bandeca, Alvaro Henrique Borges, José Cláudio Martins Segalla, Keren Cristina Fagundes Jordão-Basso, Cristian Fernando Sanchez-Puetate, Milton Carlos Kuga
Teeth with furcal perforation present difficult resolution and dubious prognosis. Several materials have been proposed and calcium silicate-based cements such as mineral trioxide aggregate (MTA) are the most recommended. However, its long-term clinical behavior still remains poorly understood. The present study reports a clinical case of furcal perforation repair using Angelus MTA, with a 7-year follow-up. Patient sought treatment 2 months after iatrogenic accident. First lower right molar presented clinical signs such as fistula and bone loss between mesial and distal roots...
2017: Iranian Endodontic Journal
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