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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/28511779/an-evidence-based-review-of-the-efficacy-of-treatment-approaches-for-immature-permanent-teeth-with-pulp-necrosis
#2
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/28506539/description-of-a-new-soft-tick-species-acari-argasidae-ornithodoros-associated-with-stream-breeding-frogs-anura-cycloramphidae-cycloramphus-in-brazil
#3
Sebastián Muñoz-Leal, Luís Felipe Toledo, José M Venzal, Arlei Marcili, Thiago F Martins, Igor C L Acosta, Adriano Pinter, Marcelo B Labruna
In this study, we present a morphological description of immature and adult specimens of Ornithodoros saraivai n. sp., a tick associated with the frog Cycloramphus boraceiensis (Cycloramphidae) at São Sebastião island, located in the São Paulo state seaboard, Brazil. While larvae of O. saraivai are ecologically related to Ornithodoros faccinii, another soft tick associated with cycloramphids, the combination of 7 sternal pairs, 16 dorsal pairs, a pyriform dorsal plate and a partially toothed hypostome constitute unique characters of the O...
May 10, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28494599/a-combined-approach-with-passive-and-active-repositioning-of-a-traumatically-intruded-immature-permanent-incisor
#4
H J Kim, Y I Kim, K S Min
BACKGROUND: Severe damage to the tooth, periodontal ligament, and pulpal tissue often occurs with intrusive luxation, and outcomes are quite unpredictable because of the variable ways in which the injury may occur, which influences both the choice of treatment and prognosis. CASE REPORT: This case presents a novel method for the management of an intruded permanent maxillary central incisor with an immature apex. At first, watchful waiting for spontaneous re-eruption was the chosen treatment option...
March 2017: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28490846/reliability-of-intra-oral-camera-using-teledentistry-in-screening-of-oral-diseases-pilot-study
#5
Kalyana Chakravarthy Pentapati, Preetinanda Mishra, Mehrshad Damania, Siddharth Narayanan, Garima Sachdeva, Geetanshu Bhalla
OBJECTIVE: Reliability of intra-oral camera using teledentistry in screening of oral diseases. METHODOLOGY: A trained and calibrated examiner used intra-oral camera to capture videos of oral cavity along with clinical examination to evaluate caries, plaque, calculus, tooth wear and fluorosis, stains in children. RESULTS: The mean DT and DMFT were significantly higher with use of intra-oral camera than with clinical examination (p = 0.001 and 0...
April 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/28475096/intrusive-luxation-of-an-immature-permanent-incisor-a-10-year-follow-up
#6
Larissa Christina Costa Pinto, Leonardo Santos Antunes, Maria Isabel Bastos Valente, Michele Lenzi, LÍvia Azeredo Alves Antunes, Cinthya Cristina Gomes
Intrusive luxation in the permanent dentition is rare and considered the most severe form of dental trauma. Intrusion is characterized by the axial displacement of the tooth into the alveolar bone. It normally affects pulpal vitality and the periodontal ligament. The most common forms of treatment are waiting for spontaneous reeruption, repositioning with orthodontic procedures, or immediate surgical repositioning. A well-planned approach to the treatment of an intrusive luxation is necessary to obtain a successful result...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28457638/provider-perceptions-of-treatment-options-for%C3%A2-immature-permanent-teeth
#7
Alison St Paul, Ceib Phillips, Jessica Y Lee, Asma A Khan
INTRODUCTION: Current treatment options for immature permanent teeth with pulpal necrosis include both apexification and regenerative endodontics. The purpose of this study was to survey endodontists on the use of these 2 treatment options. METHODS: Surveys were created by using Qualtrics and Teleform software and distributed by using the Salant and Dillman method. Endodontists (n = 1615) in 4 geographically and demographically diverse states, North Carolina, New York, Texas, and California, were surveyed...
April 27, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28422594/intentional-replantation-of-an-immature-incisor-with-a-transverse-root-fracture-and-endo-perio-condition-4-year-follow-up
#8
Atsushi Oishi
This case report describes the importance of continual examination for dental trauma and the efficacy of intentional replantation with retrograde root canal filling for a transverse root fracture in an immature incisor accompanied by subsequent periodontal-endodontic disease. In the treatment of traumatically fractured roots in immature incisors, continual examination is indispensable for the final diagnosis because roots in immature teeth are less calcified, resulting in less detailed radiological examinations...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28416306/histologic-findings-of-a-human-immature-revascularized-regenerated-tooth-with-symptomatic-irreversible-pulpitis
#9
Chufang Peng, Yuming Zhao, Wenjun Wang, Yuan Yang, Man Qin, Lihong Ge
INTRODUCTION: Pulp revascularization/regeneration in immature permanent teeth with necrotic pulp and/or apical periodontitis is an effective approach for inducing root maturation. Previous histologic studies showed cementoid/osteoid tissue and/or periodontal ligament-like tissue formed within the root canals. This case report describes the histologic findings of a human symptomatic irreversible pulpitis immature permanent tooth with most of the pulp removed after a revascularization/regeneration procedure...
April 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28390826/estimation-of-date-of-death-through-wound-healing-of-an-extraction-socket-a-case-report
#10
Joan Viciano, Ruggero D'Anastasio, Cristian D'Ovidio, Sara Costantini, Aldo Carnevale, Luigi Capasso
Surgical extraction of teeth due to dental pathologies is a relatively common procedure in modern man. The healing of the wound that results occurs in gradual and sequential stages, such that the analysis of this repair process can be very useful in forensic investigations on human remains. The following study reports on a particular case where the remodeling of a tooth socket allowed an estimation of the time that had elapsed from the day of the surgical extraction of the tooth to the time of death. The corpse was that of a woman of 34 years...
March 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28390134/primordial-odontogenic-tumor-an-immunohistochemical-profile
#11
R Bologna-Molina, T Mikami, V Pereira-Prado, F-R Pires, R Carlos-Bregni, A Mosqueda-Taylor
BACKGROUND: Primordial Odontogenic Tumor (POT) is a recently described odontogenic tumor characterized by a variably cellular loose fibrous tissue with areas similar to the dental papilla, covered by cuboidal to columnar epithelium that resembles the internal epithelium of the enamel organ, surrounded at least partly by a delicate fibrous capsule. The purpose of this study was to investigate the possible histogenesis and biological behavior of this rare tumor by means of a wide immunohistochemical analysis of its epithelial and mesenchymal components...
May 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28365680/pro-inflammatory-cytokine-tnf-%C3%AE-attenuates-bmp9-induced-osteo-odontoblastic-differentiation-of-the-stem-cells-of-dental-apical-papilla-scaps
#12
Feilong Wang, Ying Jiang, Xia Huang, Qiao Liu, Yan Zhang, Wenping Luo, Fugui Zhang, Pengfei Zhou, Juhong Lin, Hongmei Zhang
BACKGROUND/AIMS: Periapical periodontitis is a common oral disease caused by bacterial invasion of the tooth pulp, which usually leads to local release of pro-inflammatory cytokines and osteolytic lesion. This study is intended to examine the effect of TNF-α on BMP9-induced osteogenic differentiation of the stem cells of dental apical papilla (SCAPs). METHODS: Rat model of periapical periodontitis was established. TNF-α expression was assessed. Osteogenic markers and ectopic bone formation in iSCAPs were analyzed upon BMP9 and TNF-α treatment...
March 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28361313/functional-tooth-regeneration
#13
Masamitsu Oshima, Miho Ogawa, Takashi Tsuji
Three-dimensional organogenesis in vivo is principally regulated by the spatiotemporal developmental process that relies on the cellular behavior such as cell growth, migration, differentiation, and cell-to-cell interaction. Organ development and morphogenesis have been elucidated to be regulated by the proper transient expression of various signaling molecules including cytokines, extracellular matrix, and adhesion molecules based on the epithelial and mesenchymal interactions. Current bioengineering technology for regenerating three-dimensional organ has progressed to the replication of organogenesis, thereby enabling the development of fully functional bioengineered organs using bioengineered organ germs that are generated from immature stem cells via tissue engineering technology in vitro...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28342218/histological-assessment-of-regenerative-endodontic-treatment-in-animal-studies-with-different-scaffolds-a-systematic-review
#14
REVIEW
Milad Altaii, Lindsay Richards, Giampiero Rossi-Fedele
BACKGROUND/AIM: The concept of regenerative endodontic procedures remains controversial. The aim of this study was to evaluate the histology of the tissues formed in immature animal teeth with necrotic and infected pulps after attempted endodontic regeneration procedures using different scaffolds. DESIGN: A systematic electronic literature search was performed in PubMed, Web of Science, Scopus, EMBASE, DOSS, and Cochrane Library databases. The terms used were a combination of the following: "immature permanent necrotic tooth or teeth" or "open apex or apices" and "regeneration or revitalization or revascularization" and "histology...
March 24, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28341745/phospholipase-c-related-but-catalytically-inactive-protein-prip-up-regulates-osteoclast-differentiation-via-calcium-calcineurin-nfatc1-signaling
#15
Ayako Murakami, Miho Matsuda, Yui Harada, Masato Hirata
Phospholipase C-related, but catalytically inactive protein (PRIP) was previously identified as a novel inositol 1,4,5-trisphosphate-binding protein with a domain organization similar to that of phospholipase C-δ but lacking phospholipase activity. We recently showed that PRIP gene knock-out (KO) in mice increases bone formation and concomitantly decreases bone resorption, resulting in increased bone mineral density and trabecular bone volume. However, the role of PRIP in osteoclastogenesis has not yet been fully elucidated...
May 12, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28294199/management-of-an-immature-partially-necrotic-permanent-molar-by-pulp-revascularization-%C3%A2-two-year-follow-up
#16
Julian Schmoeckel, Mhd Said Mourad, Christian H Splieth, Ruth M Santamaria
Root canal treatment of immature teeth is considered a great challenge for both the dentist and the patient. The thinness of the root canals walls and the lack of an apical barrier leads to unpredictable treatment results. Revascularization is a novel promising treatment option in the field of regenerative endodontics for management of immature necrotic permanent teeth. This case presents a successful treatment of an 8-year-old patient with a partially necrotic, immature permanent mandibular right first molar pulp by revascularization...
March 14, 2017: Quintessence International
https://www.readbyqxmd.com/read/28282516/f-spondin-negatively-regulates-dental-follicle-differentiation-through-the-inhibition-of-tgf-%C3%AE-activity
#17
Ai Orimoto, Misaki Kurokawa, Keisuke Handa, Masaki Ishikawa, Eisaku Nishida, Makoto Aino, Akio Mitani, Miho Ogawa, Takashi Tsuji, Masahiro Saito
OBJECTIVE: F-spondin is an extracellular matrix (ECM) protein that belongs to the thrombospondin type I repeat superfamily and is a negative regulator of bone mass. We have previously shown that f-spondin is specifically expressed in the dental follicle (DF), which gives rise to the periodontal ligament (PDL) during the tooth root formation stage. To investigate the molecular mechanism of PDL formation, we investigated the function of f-spondin in DF differentiation. DESIGN: The expression patterning of f-spondin in the developing tooth germ was compared with that of periodontal ligament-related genes, including runx2, type I collagen and periostin, by in situ hybridization analysis...
July 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28218034/extensive-maxillary-odontomas-in-2-dogs
#18
Naomi K Hoyer, Kristin M Bannon, Cynthia M Bell, Jason W Soukup
Two immature male dogs were presented for the treatment of extensive maxillary compound odontomas. In both cases, clinical evaluation and diagnostic imaging revealed extensive lesions invading and displacing anatomical structures of the maxilla. Histopathology confirmed the diagnoses in both cases. One dog was treated with partial rostral maxillectomy, and the other dog was treated with enucleation of the cystic lining and removal of tooth-like structures through a lateral rhinotomy utilizing an intraoral approach...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28216269/antibacterial-effects-of-antimicrobials-used-in-regenerative-endodontics-against-biofilm-bacteria-obtained-from-mature-and-immature-teeth-with-necrotic-pulps
#19
Jordon C Jacobs, Alex Troxel, Ygal Ehrlich, Kenneth Spolnik, Josef S Bringas, Richard L Gregory, Ghaeth H Yassen
INTRODUCTION: We investigated the direct and residual antibacterial effects of intracanal antimicrobials against bacterial biofilms obtained from infected mature and immature teeth with necrotic pulps. METHODS: Sterile dentin slabs (n = 100) were inoculated with bacterial biofilms obtained from root canals of an immature or a mature tooth with pulpal necrosis and incubated anaerobically for 3 weeks (n = 50 per biofilm). Dentin infected with each type of biofilm received 1 week of treatment with 1 or 5 mg/mL double antibiotic paste (DAP) in methylcellulose hydrogels, calcium hydroxide, or placebo paste or received no treatment (n = 10)...
April 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28210431/vertical-root-fracture-resistance-of-simulated-immature-permanent-teeth-filled-with-mta-using-different-vehicles
#20
Hacer Aksel, Sevinc Askerbeyli-Örs, Derya Deniz-Sungur
BACKGROUND: The aim of the study is to evaluate the resistance vertical root fracture (VRF) of mineral trioxide aggregate (MTA) filled-immature permanent roots by using three different vehicles. MATERIAL AND METHODS: Forty-extracted human single-rooted mandibular premolars were selected and the root length was standardized to the length of 9 mm. For simulation of immature tooth apices, peeso reamers were introduced into the root canals and the prepared roots were assigned into three experimental groups according the used vehicle (distilled water-DW, prophylene glycol-PG, chlorhexidine-CHX) and control group (n=10)...
February 2017: Journal of Clinical and Experimental Dentistry
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