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https://www.readbyqxmd.com/read/28527851/intentional-replantation-of-an-avulsed-immature-permanent-incisor-a-case-report
#1
Claudio Maniglia-Ferreira, Fabio de Almeida Gomes, Marcelo de Morais Vitoriano
This case report discusses the successful endodontic treatment of an open apex maxillary right permanent central incisor that had been avulsed and incorrectly replanted in a 7-year-old patient. The tooth was carefully re-extracted followed by cleaning of the alveolar socket and immediate replantation. However, pulp necrosis was diagnosed, and regenerative endodontic treatment was performed. The root canal system was disinfected by passive ultrasonic irrigation with 2.5% sodium hypochlorite. At the first visit, the tooth was repositioned and immobilized with an appropriate semirigid splint...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28527847/self-repaired-process-of-a-traumatized-maxillary-central-incisor-with-pulp-infarct-after-horizontal-root-fracture-monitored-by-laser-doppler-flowmetry-combined-with-tissue-oxygen-monitor
#2
Qian Liao, Wenjun Ye, Junli Yue, Xiaoxi Zhao, Ling Zhang, Lan Zhang, Dingming Huang, Qinghua Zheng
Achieving a precise diagnosis of the pulp status of traumatized teeth is difficult. The time to interfere through endodontic treatment for these teeth is greatly dependent on the doctor's experience. A 24-year-old male patient suffered a traumatic injury to tooth #9 that resulted in an apical root horizontal fracture 3 days before he came to the hospital. The injured tooth showed no response to pulp sensitivity testing at the first visit and was discolored 1 week later. Tooth #9 was immobilized to its adjacent teeth for 4 weeks by a composite splint...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28520562/reliability-and-repeatability-of-pulp-volume-reconstruction-through-three-different-volume-calculations
#3
T Y Marroquin Penaloza, S Karkhanis, S I Kvaal, S Vasudavan, E Castelblanco, E Kruger, M Tennant
OBJECTIVE: To test the variability of the volume measurements when different segmentation methods are applied in pulp volume reconstruction. MATERIALS AND METHODS: Osirix® and ITK-SNAP software were used. Different segmentation methods (Part A) and volume approaches (Part B) were tested in a sample of 21 dental CBCT's from upper canines. Different combinations of the data set were also tested on one lower molar and one upper canine (Part C) to determine the variability of the results when automatic segmentation is performed...
December 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/28513520/clinical-assessment-of-mineral-trioxide-aggregate-in-the-treatment-of-deep-carious-lesions
#4
U K Vural, A Kiremitçi, S Gökalp
OBJECTIVE: This clinical study aimed to assess the effectiveness of mineral trioxide aggregate (MTA) and calcium hydroxide (Ca[OH]2) in the treatment of deep carious lesions using the direct complete caries excavation technique. SUBJECTS AND METHODS: Hundred permanent molars/premolars were capped either with Ca (OH)2 (n = 49) or MTA (n = 51) and restored with composite resin in 73 patients. Periapical radiographs were taken prior to the treatment, at 6 months and 12 months...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28512548/relationship-between-pulp-tooth-volume-ratios-and-chronological-age-in-different-anterior-teeth-on-cbct
#5
Nima Biuki, Tahmineh Razi, Masoumeh Faramarzi
BACKGROUND: The CBCT imaging technique exhibits proper accuracy to determine the internal anatomy of teeth. Therefore, this technique can use to estimate age by measuring the amount of decrease in the volume of the pulpal cavity of teeth. The aim of the present study was to evaluate the correlation between chronological age and pulp-to-tooth volume ratios in anterior teeth with the use of the CBCT technique and to determine a regression model to estimate human age. MATERIAL AND METHODS: In this present descriptive-analytical study, 122 subjects (46 males and 76 females), with an age range of 13-70 years, were evaluated...
May 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28512498/treatment-outcomes-of-full-pulpotomy-as-an-alternative-to-tooth-extraction-in-molars-with-hyperplastic-irreversible-pulpitis-a-case-report
#6
Saeed Asgary, Prashant Verma, Ali Nosrat
Root canal therapy (RCT) is a common and successful treatment for irreversible pulpitis due to carious pulp exposure in mature permanent teeth. However, it is often an expensive procedure, may require multiple appointments, and requires a high level of training and clinical skill, specifically in molars. Uninsured patients, low-income patients, and patients with limited access to specialist care often elect for extraction of restorable teeth with irreversible pulpitis. There is a need for an alternative affordable treatment option to preserve their teeth and maintain chewing function...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28511779/an-evidence-based-review-of-the-efficacy-of-treatment-approaches-for-immature-permanent-teeth-with-pulp-necrosis
#7
REVIEW
Bill Kahler, Giampiero Rossi-Fedele, Nadia Chugal, Louis M Lin
INTRODUCTION: Two fundamental assumptions for teeth treated with regenerative endodontic procedures (REPs) are (1) that the clinical outcome is comparable with the traditional techniques of calcium hydroxide apexification and mineral trioxide aggregate apical barrier techniques and (2) that REPs will result in further root maturation. METHODS: A systematic review of the electronic databases (Scopus, PubMed, and Web of Science) involved a search for studies that used quantitative assessments of root maturation...
May 13, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28511499/postoperative-pain-and-flare-ups-comparison-of-incidence-between-single-and-multiple-visit-pulpectomy-in-primary-molars
#8
Shrirang Anand Sevekar, Subhadra Halemane Nagaraj Gowda
INTRODUCTION: Endodontic treatment performed in either single- or multiple visit can be followed by numerous short- and long term complications. One of the short term complications include postoperative pain and flare-ups. The ability to predict its prevalence and forewarn the patient may go some way towards enabling coping strategies and help dentist in pain management treatment decisions. AIM: To compare the incidence and intensity of postoperative pain and flare-ups between single- and multiple visit pulpectomy in primary molars...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28506888/calcium-sensing-receptor-erk-signaling-promotes-odontoblastic-differentiation-of-human-dental-pulp-cells
#9
Hiroyuki Mizumachi, Shinichiro Yoshida, Atsushi Tomokiyo, Daigaku Hasegawa, Sayuri Hamano, Asuka Yuda, Hideki Sugii, Suguru Serita, Hiromi Mitarai, Katsuaki Koori, Nahisa Wada, Hidefumi Maeda
Activation of the G protein-coupled calcium-sensing receptor (CaSR) has crucial roles in skeletal development and bone turnover. Our recent study has identified a role for activated CaSR in the osteogenic differentiation of human periodontal ligament stem cells. Furthermore, odontoblasts residing inside the tooth pulp chamber play a central role in dentin formation. However, it remains unclear how CaSR activation affects the odontoblastic differentiation of human dental pulp cells (HDPCs). We have investigated the odontoblastic differentiation of HDPCs exposed to elevated levels of extracellular calcium (Ca) and strontium (Sr), and the contribution of CaSR and the L-type voltage-dependent calcium channel (L-VDCC) to this process...
May 12, 2017: Bone
https://www.readbyqxmd.com/read/28503481/dental-management-of-patients-with-x-linked-hypophosphatemia
#10
Bin-Na Lee, Hye-Yoon Jung, Hoon-Sang Chang, Yun-Chan Hwang, Won-Mann Oh
X-linked hypophosphatemia (XLH) is a hereditary metabolic disease caused by the loss of phosphate through the renal tubules into the urine, and an associated decrease in serum calcium and potassium phosphate. Its dental features include spontaneous dental abscesses that occur in the absence of trauma or dental caries. The aim of this case report was to describe the dental problems of XLH patients and to evaluate limitations in their treatment. A 14 year old male and a 38 year old female with XLH were referred to the Department of Conservative Dentistry for endodontic treatment...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28502026/dentin-remineralizing-ability-and-enhanced-antibacterial-activity-of-strontium-and-hydroxyl-ion-co-releasing-radiopaque-hydroxyapatite-cement
#11
R Jayasree, T S Sampath Kumar, S Mahalaxmi, Sireesha Abburi, Y Rubaiya, Mukesh Doble
Dental caries is an infection of the mineralized tooth structures that advances when acid secreted by bacterial action on dietary carbohydrates diffuses and dissolves the tooth mineral leading to demineralization. During treatment, clinicians often remove only the superficial infected tooth structures and retain a part of affected carious dentin to prevent excessive dentin loss and pulp exposure. Calcium hydroxide is used to treat the affected dentin because it is alkaline, induces pulp-dentin remineralization and decreases bacterial infection...
June 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28494605/intra-pulpal-and-subsurface-temperature-rise-during-tooth-irradiation-with-808-nm-diode-laser-an-in-vitro-study
#12
F Khouja, M Abdelaziz, T Bortolotto, I Krejci
AIM: This in vitro study evaluated the pulpal and subsurface temperatures during proximal tooth surface irradiation with different settings of an 808 nm diode laser. MATERIALS AND METHODS: The elevation of pulpal and subsurface temperature during irradiation was measured using thermocouples positioned in the centre of the pulp chamber (n=30) and in the centre of a prepared 1.5 mm deep coronal cavity (n=30). Each sample was irradiated 3 times within one-week interval using different exposure settings...
March 2017: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28492747/common-operative-procedural-errors-and-clinical-factors-associated-with-root-canal-treatment
#13
Carlos Estrela, Jesus Djalma Pécora, Cyntia R A Estrela, Orlando A Guedes, Brunno S F Silva, Carlos José Soares, Manoel Damião Sousa-Neto
Operative procedural errors must be well analyzed in order to avoid influence negatively the root canal treatment (RCT) prognosis. The successful RCT prevents tooth loss and avoids pain and apical periodontitis. This review aimed to categorize common operative procedure errors and clinical factors associated with RCT. Based on this, will be approached common errors of procedures within the clinical operative sequence: endodontic treatment planning, pulp and periapical disease diagnosis, anaesthesia, access cavity preparation, isolation with rubber dam, root canal preparation, root canal filling and retreatment, restoration of endodontically treated teeth, postoperative pain, follow up of endodontically treated teeth...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28491933/wnt-and-bmp-signaling-crosstalk-in-regulating-dental-stem-cells-implications-in-dental-tissue-engineering
#14
Fugui Zhang, Jinglin Song, Hongmei Zhang, Enyi Huang, Dongzhe Song, Viktor Tollemar, Jing Wang, Jinhua Wang, Maryam Mohammed, Qiang Wei, Jiaming Fan, Junyi Liao, Yulong Zou, Feng Liu, Xue Hu, Xiangyang Qu, Liqun Chen, Xinyi Yu, Hue H Luu, Michael J Lee, Tong-Chuan He, Ping Ji
Tooth is a complex hard tissue organ and consists of multiple cell types that are regulated by important signaling pathways such as Wnt and BMP signaling. Serious injuries and/or loss of tooth or periodontal tissues may significantly impact aesthetic appearance, essential oral functions and the quality of life. Regenerative dentistry holds great promise in treating oral/dental disorders. The past decade has witnessed a rapid expansion of our understanding of the biological features of dental stem cells, along with the signaling mechanisms governing stem cell self-renewal and differentiation...
December 2016: Genes & Diseases
https://www.readbyqxmd.com/read/28489485/igf-1-mediates-ephrinb1-activation-in-regulating-tertiary-dentin-formation
#15
S Matsumura, A Quispe-Salcedo, C M Schiller, J S Shin, B M Locke, S Yakar, E Shimizu
Eph receptors belong to a subfamily of receptor tyrosine kinases that are activated by membrane-spanning ligands called ephrins. Previously, we demonstrated that the ephrinB1-EphB2 interaction regulates odontogenic/osteogenic differentiation from dental pulp cells (DPCs) in vitro. The goal of this study was to identify the molecular mechanisms regulated by the EphB2/ephrinB1 system that govern tertiary dentin formation in vitro and in vivo. During tooth development, ephrinB1, and EphB2 were expressed in preodontoblast and odontoblasts at postnatal day 4...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28478984/randomized-clinical-trial-of-2-nonvital-tooth-bleaching-techniques-a-1-year-follow-up
#16
Diogo Pedrollo Lise, Gustavo Siedschlag, Jussara Karina Bernardon, Luiz Narciso Baratieri
STATEMENT OF PROBLEM: Controlled clinical trials comparing the effectiveness of the walking bleaching (WB) technique and the inside-outside (I-O) technique used in a short daily regimen are lacking. PURPOSE: The purpose of this randomized clinical trial was to investigate the effectiveness of WB with that of the I-O technique conducted over 4 weeks and to compare color changes after 1 year. MATERIAL AND METHODS: Discolored and endodontically treated anterior teeth received a cervical seal and were randomly divided into groups according to the technique...
May 5, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28475095/functional-and-esthetic-rehabilitation-of-a-child-with-amelogenesis-imperfecta-a-case-report
#17
Carmem Dolores Vilarinho Soares de Moura, Alessandra Silva Pontes, Teresinha Soares Pereira Lopes, Lúcia Fátima Almeida de Deus Moura, Marina Deus Moura de Lima
Amelogenesis imperfecta (AI) is a tooth disorder characterized by the abnormal development of the enamel in response to mutations in the genes involved in amelogenesis. The objective of this article is to present the clinical case of a child with AI in the primary dentition phase. A 4-year-old boy was presented to a clinic by his mother, who complained that her son's smile esthetics were compromised by "weak and yellow teeth." All the teeth showed yellowish discoloration as well as crumbling or missing enamel...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28469825/correlation-between-micro-hardness-and-mineral-content-in-healthy-human-enamel
#18
Anna Akkus, Daniel Karasik, Renato Roperto
BACKGROUND: Enamel is the hardest and the stiffest tissue in the human body. The enamel undergoes multidirectional stresses, withstands multimillion chewing cycles, all while protecting the internal dentin and pulp from damage due to mechanical overload and exposure to the harsh chemical environment of the mouth. Raman spectroscopy allows to study enamel mineral content in a non-destructive and site-specific way. While Raman spectroscopy has been applied in other studies to assess tooth mineralization, there are no studies that examine the relationship between micro-hardness and mineral content of the untreated enamel...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28467258/effect-of-endocrown-pulp-chamber-extension-depth-on-molar-fracture-resistance
#19
A Hayes, N Duvall, M Wajdowicz, H Roberts
PURPOSE: The purpose of this study was to evaluate the effect of endocrown pulp chamber extension on mandibular molar fracture resistance. METHODS AND MATERIALS: A total of 36 recently extracted mandibular third molars of approximate equal size were sectioned at the facial lingual height of contour followed by endodontic access into the pulp chamber. The specimens were then randomly divided into three groups (n=12) and pulpal and root canal contents removed. Pulp chamber floors were established at 2, 3, and 4 mm from the occlusal table using a three-step etch-and-rinse adhesive and a flowable resin composite...
May 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28465844/delayed-treatment-of-traumatized-primary-teeth-with-distinct-pulp-response-follow-up-until-permanent-successors-eruption
#20
Gabriela Cristina de Oliveira, Juliana Calistro da Silva, Franciny Querobim Ionta, Catarina Ribeiro Barros de Alencar, Priscilla Santana Pinto Gonçalves, Thaís Marchini de Oliveira, Thiago Cruvinel, Daniela Rios
Complicated crown fracture and crown-root fracture with pulp involvement expose dental pulp to the oral environment. The pulp outcome is often unpredictable because the patient and injury which are related to variables can influence the treatment of choice and the prognosis of the case. This report presents the case of a 4-year-old boy with complicated crown fracture with pulp polyp in the primary right maxillary central incisor (51) and crown-root fracture with pulp involvement in the primary left maxillary central incisor (61), which was treated only 3 months after the tooth injuries...
2017: Case Reports in Dentistry
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