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Although numerous studies have been conducted on apexification using mineral trioxide aggregate (MTA), direct observation of extracted human teeth after the procedure has been rarely reported. This case report describes a mandibular premolar treated 2.5 years ago and extracted recently for orthodontic treatment. The tubercle of the right mandibular premolar of a 12-year-old boy with dens evaginatus was fractured and the pulp was exposed. The tooth was diagnosed with pulp necrosis and asymptomatic periapical abscess. During the first visit, copious irrigation was performed with 2.5% sodium hypochlorite. Calcium hydroxide paste was placed as an intracanal medicament. The sinus tract had disappeared at the second visit after 3 weeks. MTA was applied on to the bleeding point as a 4-mm-thick layer, followed by a 3-mm-thick gutta-percha filling and resin core build-up. After 2.5 years, the tooth and three other premolars were extracted for orthodontic treatment. The right and left mandibular premolars were scanned with micro-computed tomography to determine the root shape and canal anatomy. Irregular root growth was observed and the root outline of the right mandibular premolar differed from that of the contralateral tooth. Apexification with MTA leads to the formation of roots with irregular morphology, without any pulpal space.

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기사명 저자명 페이지 원문 목차
Micro-computed tomographic evaluation of the flow and filling ability of endodontic materials using different test models Fernanda Ferrari Esteves Torres, Juliane Maria Guerreiro-Tanomaru, Gisselle Moraima Chavez-Andrade, Jader Camilo Pinto, Fábio Luiz Camargo Villela Berbert, Mario Tanomaru-Filho p. 1-9

Influence of modeling agents on the surface properties of an esthetic nano-hybrid composite Zeynep Bilge Kutuk, Ecem Erden, Damla Lara Aksahin, Zeynep Elif Durak, Alp Can Dulda p. 1-10

Influence of glide path size and operating kinetics on time to reach working length and fracture resistance of twisted file adaptive and endostar E3 nickel-titanium file systems Tamilkumaran Ramyadharshini, Inbaraj Anand Sherwood, V Shanmugham Vigneshwar, Prakasam Ernest Prince, Murugadoss Vaanjay p. 1-10

Antimicrobial efficacy of QMix on Enterococcus faecalis infected root canals : a systematic review of in vitro studies Benjamin Syek Hur Lim, Abhishek Parolia, Margaret Soo Yee Chia, Jayakumar Jayaraman, Venkateshbabu Nagendrababu p. 1-12

Comparative evaluation of the effectiveness of ultrasonic tips versus the terauchi file retrieval kit for the removal of separated endodontic instruments Preeti Jain Pruthi, Ruchika Roongta Nawal, Sangeeta Talwar, Mahesh Verma p. 1-7

Age-dependent root canal instrumentation techniques : a comprehensive narrative review Michael Solomonov, Hyeon-Cheol Kim, Avi Hadad, Dan Henry Levy, Joe Ben Itzhak, Oleg Levinson, Hadas Azizi p. 1-12

Influence of pain-relieving therapies on inflammation and the expression of proinflammatory neuropeptides after dental bleaching treatment Livia Maria Alves Valentim da Silva, Luciano Tavares Angelo Cintra, Marjorie de Oliveira Gallinari, Francine Benetti, Vanessa Rahal, Edilson Ervolino, Sibele de Alcântara, André Luiz Fraga Briso p. 1-14

A micro-computed tomographic evaluation of root canal filling with a single gutta-percha cone and calcium silicate sealer Jong Cheon Kim, Maung Maung Kyaw Moe, Sung Kyo Kim p. 1-9

Chair-side CAD/CAM fabrication of a single-retainer resin bonded fixed dental prosthesis : a case report Carlos Alberto Jurado, Akimasa Tsujimoto, Hidehiko Watanabe, Jose Villalobos-Tinoco, Jorge Luis Garaicoa, Mark David Markham, Wayne Walter Barkmeier, Mark Andrew Latta p. 1-7

Observation of an extracted premolar 2.5 years after mineral trioxide aggregate apexification using micro-computed tomography Gayeon Lee, Chooryung Chung, Sunil Kim, Su-Jung Shin p. 1-6

Influence of autoclave sterilization procedures on the cyclic fatigue resistance of heat-treated nickel-titanium instruments : a systematic review Emmanuel João Nogueira Leal Silva, Mayara Zanon, Fernanda Hecksher, Felipe Gonçalves Belladonna, Rafaela Andrade de Vasconcelos, Tatiana Kelly da Silva Fidalgo p. 1-12

Dentin moisture conditions strongly influence its interactions with bioactive root canal sealers Esin Ozlek, Hüseyin Gündüz, Elif Akkol, Prasanna Neelakantan p. 1-9

Top 50 cited articles on dental stem cell research Konstantinos Kodonas, Anastasia Fardi, Christos Gogos, Nikolaos Economides p. 1-10

Effect of ultrasonic cleaning on the bond strength of fiber posts in oval canals filled with a premixed bioceramic root canal sealer Fernando Peña Bengoa, Maria Consuelo Magasich Arze, Cristobal Macchiavello Noguera, Luiz Felipe Nunes Moreira, Augusto Shoji Kato, Carlos Eduardo Da Silveira Bueno p. 1-8

참고문헌 (20건) : 자료제공( 네이버학술정보 )

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번호 참고문헌 국회도서관 소장유무
1 Simon S, Rilliard F, Berdal A, Machtou P. The use of mineral trioxide aggregate in one-visit apexification treatment: a prospective study. Int Endod J 2007;40:186-197. 미소장
2 Witherspoon DE, Small JC, Regan JD, Nunn M. Retrospective analysis of open apex teeth obturated with mineral trioxide aggregate. J Endod 2008;34:1171-1176. 미소장
3 Farhad AR, Shokraneh A, Shekarchizade N. Regeneration or replacement? A case report and review of literature. Dent Traumatol 2016;32:71-79. 미소장
4 Huang GT. A paradigm shift in endodontic management of immature teeth: conservation of stem cells for regeneration. J Dent 2008;36:379-386. 미소장
5 Treatment options: biological basis of regenerative endodontic procedures 네이버 미소장
6 Shabahang S. Treatment options: apexogenesis and apexification. J Endod 2013;39(Supplement):S26-S29. 미소장
7 Alobaid AS, Cortes LM, Lo J, Nguyen TT, Albert J, Abu-Melha AS, Lin LM, Gibbs JL. Radiographic and clinical outcomes of the treatment of immature permanent teeth by revascularization or apexification: a pilot retrospective cohort study. J Endod 2014;40:1063-1070. 미소장
8 Fouad AF, Verma P. Healing after regenerative procedures with and without pulpal infection. J Endod 2014;40(Supplement):S58-S64. 미소장
9 Linsuwanont P, Sinpitaksakul P, Lertsakchai T. Evaluation of root maturation after revitalization in immature permanent teeth with nonvital pulps by cone beam computed tomography and conventional radiographs. Int Endod J 2017;50:836-846. 미소장
10 Jung IY, Lee SJ, Hargreaves KM. Biologically based treatment of immature permanent teeth with pulpal necrosis: a case series. J Endod 2008;34:876-887. 미소장
11 Histologic Outcomes of Uninfected Human Immature Teeth Treated with Regenerative Endodontics: 2 Case Reports 네이버 미소장
12 Peng C, Zhao Y, Wang W, Yang Y, Qin M, Ge L. Histologic findings of a human immature revascularized/regenerated tooth with symptomatic irreversible pulpitis. J Endod 2017;43:905-909. 미소장
13 Shimizu E, Jong G, Partridge N, Rosenberg PA, Lin LM. Histologic observation of a human immature permanent tooth with irreversible pulpitis after revascularization/regeneration procedure. J Endod 2012;38:1293-1297. 미소장
14 Bose R, Nummikoski P, Hargreaves K. A retrospective evaluation of radiographic outcomes in immature teeth with necrotic root canal systems treated with regenerative endodontic procedures. J Endod 2009;35:1343-1349. 미소장
15 Holden DT, Schwartz SA, Kirkpatrick TC, Schindler WG. Clinical outcomes of artificial root-end barriers with mineral trioxide aggregate in teeth with immature apices. J Endod 2008;34:812-817. 미소장
16 Yassen GH, Chu TM, Eckert G, Platt JA. Effect of medicaments used in endodontic regeneration technique on the chemical structure of human immature radicular dentin: an in vitro study. J Endod 2013;39:269-273. 미소장
17 Hoshino E, Kurihara-Ando N, Sato I, Uematsu H, Sato M, Kota K, Iwaku M. In-vitro antibacterial susceptibility of bacteria taken from infected root dentine to a mixture of ciprofloxacin, metronidazole and minocycline. Int Endod J 1996;29:125-130. 미소장
18 Windley W 3rd, Teixeira F, Levin L, Sigurdsson A, Trope M. Disinfection of immature teeth with a triple antibiotic paste. J Endod 2005;31:439-443. 미소장
19 Yan M, Wu J, Yu Y, Wang Y, Xie L, Zhang G, Yu J, Zhang C. Mineral trioxide aggregate promotes the odonto/osteogenic differentiation and dentinogenesis of stem cells from apical papilla via nuclear factor kappa B signaling pathway. J Endod 2014;40:640-647. 미소장
20 Tobias Duarte PC, Gomes-Filho JE, Ervolino E, Marçal Mazza Sundefeld ML, Tadahirowayama M, Lodi CS, Dezan-Júnior E, Angelo Cintra LT. Histopathological condition of the remaining tissues after endodontic infection of rat immature teeth. J Endod 2014;40:538-542. 미소장

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