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Готові списки джерел за темами / Crown fracture

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Добірка наукової літератури з теми "Crown fracture"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Crown fracture"

1

Thakur, Vidhi, Shweta Mittal, and Ritika Yadav. "Management of Complicated Crown Fracture with Biodentine Partial Pulpotomy and Fracture Segment Reattachment." International Journal of Health Sciences and Research 11, no. 6 (2021): 152–56. http://dx.doi.org/10.52403/ijhsr.20210623.

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Анотація:

Fracture of maxillary anterior teeth is common in young individuals. Conservative management of complicated crown fractures helps in preservation of tooth structure, vitality and esthetics. This case report describes a conservative technique of managing a case of complicated crown fracture by performing partial pulpotomy with biodentine followed by fracture segment reattachment. Key words: Complicated crown fracture, Partial pulpotomy, Fractured segment reattachment.

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2

Mashyakhy, Mohammed, and Hafiz Ahmed Adawi. "Fracture Resistance and Initial Penetration Time of a Novel Zirconia Crown Design for Simplifying Future Endodontic Treatment: An In Vitro Study." Dentistry Journal 12, no. 12 (2024): 385. http://dx.doi.org/10.3390/dj12120385.

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Objectives: This study aimed to investigate the fracture strength of a novel-designed Zirconia crown before and after access opening, and to evaluate the mode of fracture and the time needed for initial penetration through the crown. Methods: This study involved the design and testing of 60 zirconia crowns, divided into three groups (20 crowns each) to compare different structural designs. Group 1 (Control) used a conventional full zirconia crown. Group 2 (Novel Design) featured a zirconia crown with an impermeable ceramic-filled opening. Group 3 (Modified Novel Design) included a zirconia cro

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3

Zhang, Li Xian, and Yu Xiao Liu. "Fracture Resistance and Failure Mode of Different Type of Ceramic Crowns." Solid State Phenomena 330 (April 12, 2022): 119–24. http://dx.doi.org/10.4028/p-44ir6o.

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Objective: To study the fracture resistance and failure modes of different type of ceramic crowns. Methods: Four groups of crown including zirconia-veneering porcelain crown (Group 1), whole zirconia crown (CAD/CAM, Group 2), cast ceramic crown (Group 3) and glass ceramic crown (CAD/CAM, chairside, Group 4) with the same thickness were manufactured, each group own 12 crowns. The fracture resistance test and failure modes analysis of the specimens were conducted, SPSS22.0 was used to analyze the difference among the groups. Results: The fracture strength of Group 2 is significantly higher than

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4

Hoonjan, Gurpal, and Maricelle Abayon. "Intentional replantation using 180-degree rotation with crown-root fracture: A case report." Journal of Case Reports and Images in Dentistry 11, no. 1 (2025): 6–10. https://doi.org/10.5348/100049z07gh2025cr.

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Анотація:

Introduction: Managing crown-root fractured teeth can be challenging due to the extent of the subgingival fracture. The purpose of this report is to present a case on treating a crown-root fracture via intentional replantation with a 180-degree tooth rotation. Case Report: In this case a 19-year-old male patient presented with crown-root fractures of the maxillary central incisors. Intentional replantation with a 180-degree rotation, root canal treatment, post and core build up, followed by extra-coronal restorations was performed to maintain the natural dentition. Conclusion: Intentional repl

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5

Jo, Hyo-Jin, and Jung-Hong Ha. "The treatment options for the traumatically fractured tooth; Case reports." Journal of The Korean Dental Association 62, no. 1 (2024): 8–20. http://dx.doi.org/10.22974/jkda.2024.62.1.001.

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Анотація:

The traumatic accident could cause various damages to the teeth and surrounding tissues. It makes dentist embarrass be-cause it not only requires the dentist to make quick decision, but also delayed decision affect the prognosis of the treatment. Depending on the location of the fracture, the fractured teeth are divided into crown fracture without pulpal involvement (Uncomplicated crown fracture), crown fracture with pulpal involvement (Complicated crown fracture), crown-root frac-ture, and root fracture. When the crown was fractured, treatment was performed with reattachment of the fragment o

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6

M, Abdulgani, Qawasmeh N., Abdulgani Azz, and Abu-Hussein M. "Reattachment of Fractured Tooth Segment in Minimally Invasive Way - A Case Report." Journal of Medical and Dental Science Research 11, no. 8 (2024): 24–30. http://dx.doi.org/10.35629/076x-11082430.

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Анотація:

Dental trauma frequently results in coronal fractures of the front teeth. Root canal therapy followed by reattaching the fractured segment with fiber post reinforcement is a viable alternative in cases of complex fractures where the fractured segment is present and there is close approximation of the segment to the intact tooth. Reattaching a fractured piece is a quicker, less involved process that offers immediate relief, better aesthetics, and function restoration. The present case report is of a 11-year-old boy with an uncomplicated crown fracture of permanent maxillary right central inciso

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7

Mazumdar, Paromita. "Conservative Management of Traumatic Tooth Fracture by Fracture Fragment Reattachment and Single Visit Nonsurgical Endodontic Treatment." Journal of Operative Dentistry & Endodontics 2, no. 2 (2017): 93–96. http://dx.doi.org/10.5005/jp-journals-10047-0045.

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Анотація:

ABSTRACT Anterior crown fractures are common form of traumatic dental injuries that mainly affect the maxillary anterior teeth in children, teenagers as well as adult population. A trauma with accompanying fracture of anterior teeth is an agonizing experience for an individual requiring immediate attention, not only because of the physical disfigurement but also because of the psychological impact on the patient. Over time numerous techniques and materials have evolved for the restoration of the injured teeth, such as, resin composite with or without pin, orthodontic bands, resin crown, and ce

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8

Choi, Yoorina. "Reattachment procedure for treatment of fractured maxillary anterior teeth: two case reports." Journal of The Korean Dental Association 54, no. 7 (2016): 492–500. http://dx.doi.org/10.22974/jkda.2016.54.7.001.

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Анотація:

Crown fractures are a common type of dental injuries and very frequently occurred on maxillary anterior teeth, area of requiring a rapid aesthetic recovery. Crown fragment reattachment is a simple and conservative method to restore the fractured teeth. The technique promotes esthetic outcomes as utilizing natural contour, shade, surface texture of teeth and gives mechanical similarity in terms of wear-resistance. Also it gives emotional positive responses to patients and requires less of chair time and costs. This case report presents two cases of crown fragment reattachments on maxillrary ant

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9

Krishna, Akash, Manjunath Hampanna Malur, D. V. Swapna, Shiny Benjamin, and Chris A. Deepak. "Traumatic Dental Injury—An Enigma for Adolescents: A Series of Case Reports." Case Reports in Dentistry 2012 (2012): 1–5. http://dx.doi.org/10.1155/2012/756526.

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Анотація:

Coronal fractures of permanent dentition are the most frequent type of dental injury. Fractured anterior teeth are usually treated with conventional post and core and crown techniques, after being treated endodontically. If the original tooth fragment is retained following fracture, the natural tooth structures can be reattached using adhesive protocols. Fiber-reinforced post makes the reattachment of the crown esthetically possible with minimal preparation and reduces the possibility of tooth fracture during function. This paper presents the therapeutic approach of reattachment of crown fragm

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10

Anilkumar, Aadit, Aparna Raj, K. Radhakrishnan Nair, Rinsu N. Alexander, and Meenu M. Kumar. "Management of a Complicated Vertical Crown Fracture." Conservative Dentistry and Endodontic Journal 2, no. 2 (2017): 52–55. http://dx.doi.org/10.5005/jp-journals-10048-0027.

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Анотація:

ABSTRACT Coronal fractures of the anterior teeth are a common form of dental trauma affecting mainly children and adolescents. Trauma with accompanying fracture of anterior teeth is an agonizing experience for a young individual, which requires immediate attention, not only because of the physical disfigurement but also because of the psychological impact on the patient. Coronal fractures may be vertical or horizontal. Vertical crown fracture with pulpal involvement usually presents mild symptoms and pain. Pain is mainly due to the mobility of the fractured segment during function. This study

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Дисертації з теми "Crown fracture"

1

Han, Xu B. "Success Rate of Cvek Pulpotomies in Permanent Teeth with Complicated Crown Fractures." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1468364330.

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2

Alsaery, Amani Saleh. "Strain and load-to-fracture comparison of CAD-CAM dental implant crown materials under loading." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1483730173077362.

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3

Crowe, Paul Richard. "The marmoset periodontal ligament : a T.E.M. morphometric analysis following incisor crown fracture, root canal therapy and orthodontic extrusion /." Title page, contents and summary only, 1989. http://web4.library.adelaide.edu.au/theses/09DM/09dmc953.pdf.

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Thesis (M.D.S.)--Dept. of Dentistry, Faculty of Dentistry, University of Adelaide, 1990.<br>Spine title: A T.E.M. investigation of extrusion and R.C.T. on the marmoset periodontal ligament. Typescript (Photocopy). Includes bibliographical references (leaves 163-191).

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4

Filho, Antonio Ruy Chaves. ""Estudo comparativo da resistência às forças de compressão de uma coroa metalocerâmica fraturada e reparada com resina composta híbrida fotopolimerizável com um dente natural permanente e com uma coroa metalocerâmica íntegra"." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/23/23134/tde-25062002-100754/.

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As porcelanas odontológicas têm sido dos materiais restauradores estéticos aqueles que mais têm evoluído nos últimos anos. Tradicionalmente, elas são friáveis e incapazes de suportar deformações estruturais quando submetidas a stress. Quando usadas na construção de próteses parciais fixas, uma subestrutura metálica é necessária para impedir que se fraturem sob esforços oclusais. Forças de compressão aplicadas em uma porcelana suportada por metal, de tal forma que não seja possível a sua flexão, poderão ser suportadas em elevadas magnitudes. Entretanto, falhas podem acontecer manifestando-se no

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5

Weir, Anthony Paul. "The marmoset periodontal ligament : a T.E.M. analysis following incisor crown fracture, endodontic therapy, orthodontic extrusion and long term retention ; morphometric and stereologic data /." Title page, contents and summary only, 1990. http://web4.library.adelaide.edu.au/theses/09DM/09dmw425.pdf.

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6

Mansour, Yasar Farouq. "The failure of dentine-bonded crowns : a fracture mechanics approach." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343018.

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7

Nilsson, Eddie, and Marko Drazic. "Fracture resistance of porcelain-veneered gold-alloy and zirconia molar crowns." Thesis, Malmö högskola, Odontologiska fakulteten (OD), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-19673.

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AbstraktSyfte:Studiens syfte var att utreda maxlasttoleransen mellan yttria-stabiliserad zirkoniumdioxid- (Y-TZP) och metallkeramiska- (MC) molarkronor med en ny design på in vitro belastningsformen. En stålkula användes för att utöva last på kusparna istället för i fissuren för att framställa en sprickbildning liknande den som ses kliniskt. Materialochmetod:26 kronor tillverkades, varav 13 högädla MC och 13presintrade Y-TZP. 7 av MC göts av 50% tidigare icke-gjuten och 50% omgjuten legering medan de kvarvarande 6 göts av 100% tidigare icke gjuten legering. Kronorna täcktes av ett fasadporsl

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8

Overturf, Jan Hendrik. "The effects of diferent reinforcements on the fracture toughness of provisional restorative materials." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_2033_1254998751.

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<p>One of the most critical aspects of successful crown and bridgework is temporary restorations. Failure of temporary restoratins often affects the patient's confidence and mau result in unscheduled appointments for repair. This study compared the the fracture toughness of two materials commonly used to fabricate provisional restorations, namely Coldpac, a polymethyl methacrylate and Protemp 3 Garant, a bis-acryl composite. It also compard the fracture toughness of the two materials when reinforced with stainless steel wire, glass fibers and polythylene fibers.</p>

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9

Arneryd, Philip, and Annika Kindblom. "Fracture strength of monolithic high and low translucent Y-TZP crowns with different thicknesses." Thesis, Malmö högskola, Odontologiska fakulteten (OD), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-19815.

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Syfte. Att jämföra hållfastheten hos fullanatomiska monolitiska hög- och lågtranslucenta kronor av Y-TZP (yttriastabiliserad tetragonal polykristallin zirkoniumdioxid) i olika tjocklekar.Material och metod. 80 standardiserade kronor skapades utifrån en mastermodell av underkäkens första molar. 40 Lava Zirconia by 3M ESPE, ett monolitiskt lågtranslucent Y-TZP material. 40 Lava Plus by 3M ESPE, ett monolitiskt högtranslucent Y-TZP material. I varje grupp gjordes tio kronor i tjocklekarna 1.0 mm, 0.7 mm, 0.5 mm och 0.3 mm. Samtliga kronor genomgick termocykling och förbelastades för att stimulera

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10

Elshiyab, Shareen. "Fatigue and Fracture Resistance of Implant-supported Zirconia-based Hybridabutment Crowns: In-vitro Study." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/371957.

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The current thesis is a combination of review of the literature as well as in-vitro experimental tests conducted which aimed to investigate both the fatigue and the fracture resistance of implant-supported hybrid-abutment crowns manufactured using zirconia-based material. The focus was on the following:  Chapter 2 (Study 1): a systematic review of the literature for in-vitro studies which investigated zirconia-based crowns. It aimed to identify in-vitro survival rate and clarify the most clinically relevant study design to utilise in the series of experimental studies to be conducted in this

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Книги з теми "Crown fracture"

1

El-Naga, Ahmed Attia Abo. Influence of cyclic loading and luting agents on the fracture load of two all-ceramic crown systems. 2006.

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2

Friesen, Trevor Max *. Analysis of fracture patterns on proboscidean bones from locality 11A, Old Crow, Northern Yukon Territory. 1989.

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3

Pulp survival and hard tissue formation subsequent to dental trauma: A clinical and histological study of uncomplicated crown fractures and luxation injuries. Göteborg University, 1997.

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4

Pilchak, Angela M. Contemporary Musicians. Thomson Gale, 2004.

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5

Pilchak, Angela M. Contemporary Musicians: Profiles of the People in Music (Contemporary Musicians). Thomson Gale, 2005.

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6

Pilchak, Angela M. Contemporary Musicians: Profiles of the People in Music (Contemporary Musicians). Thomson Gale, 2005.

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7

Pilchak, Angela M. Contemporary Musicians: Profiles Of The People In Music (Contemporary Musicians). Thomson Gale, 2005.

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8

Pilchak, Angela M. Contemporary Musicians. Thomson Gale, 2007.

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9

Pilchak, Angela M. Contemporary Musicians: Profiles of the People in Music (Contemporary Musicians). Thomson Gale, 2004.

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10

Pilchak, Angela M. Contemporary Musicians: Profiles of the People in Music (Contemporary Musicians). Thomson Gale, 2005.

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Частини книг з теми "Crown fracture"

1

Handojo, J., and L. A. Halim. "Management of anterior mandibular lithium disilicate crown fracture." In Quality Improvement in Dental and Medical Knowledge, Research, Skills and Ethics Facing Global Challenges. CRC Press, 2024. http://dx.doi.org/10.1201/9781003402374-108.

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2

Susanti, Y., B. Iskandar, and T. Ariwibowo. "Management of crown-root fracture with pulp exposure: A case report." In Quality Improvement in Dental and Medical Knowledge, Research, Skills and Ethics Facing Global Challenges. CRC Press, 2024. http://dx.doi.org/10.1201/9781003402374-31.

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3

Moule, Alex J. "Diagnosing Cracked (Crown Fractured) Teeth." In Diagnosing Dental and Orofacial Pain. John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781119155218.ch13.

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4

Slayton, Rebecca L., and Elizabeth A. Palmer. "Primary Tooth Crown and Root Fractures." In Traumatic Dental Injuries in Children. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-25793-4_4.

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5

Slayton, Rebecca L., and Elizabeth A. Palmer. "Permanent Tooth Crown and Root Fractures." In Traumatic Dental Injuries in Children. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-25793-4_6.

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6

Prabhu, Sudheer Kumar, C. U. Vivek Chand, V. G. Sam Joseph, and Mini K. John. "A Case Report on Complicated Crown-root Fracture." In Current Innovations in Medicine and Medical Science Vol. 8. B P International (a part of SCIENCEDOMAIN International), 2022. http://dx.doi.org/10.9734/bpi/cimms/v8/8617f.

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7

S, Nikesh, Nivetha A, Sadasiva Kadandale, and Anupama Ramachandran. "RESTORATION OF ENDODONTICALLY TREATED TOOTH." In Emerging Trends in Oral Health Sciences and Dentistry. Technoarete Publishers, 2022. http://dx.doi.org/10.36647/etohsd/2022.01.b1.ch004.

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Анотація:

A successful endodontic treatment depends on endodontic treatment as well as post endodontically restoring the lost tooth structure2 . Compared to vital teeth, root canal-treated teeth will be more prone to biomechanical problems. Post-core treatments are often used in dentistry to prevent fracture of the remaining dental tissues in crown treatments and to support the final restorations in root canal-treated teeth, especially those with extensive loss of tooth structure. An ideal post should dissipate the occlusal load acting on the tooth uniformly. In the event of a retreatment the post must

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8

Mitchell, David A., Laura Mitchell, and Lorna McCaul. "Paediatric dentistry." In Oxford Handbook of Clinical Dentistry. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199679850.003.0003.

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Contents. Principal sources and further reading. The child patient. Treatment planning for children. The anxious child. The child with toothache. Abnormalities of tooth eruption and exfoliation. Abnormalities of tooth number. Abnormalities of tooth structure. Abnormalities of tooth form. Abnormalities of tooth colour. Anatomy of primary teeth (& relevance to cavity design). Extraction versus restoration of primary teeth. Local analgesia for children. Restoration of carious primary teeth. Plastic restoration in primary molars. Stainless steel crowns. Class III, IV, and V in primary teeth. S

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9

Holt, John Clifford. "The Relevant Historical and Doctrinal Background." In Buddha in the Crown. Oxford University PressNew York, NY, 1991. http://dx.doi.org/10.1093/oso/9780195064186.003.0002.

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Abstract It is difficult to know with any significant degree of certainty exactly how unity within the early Buddhist sangha was originally fractured. Suggestions in Pāli sources indicate that, even during the lifetime of the Buddha, there may have been schismatic pressures within the monkhood

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10

FUKS, ANNA B., and JOE CAMP. "CROWN FRACTURES: A PRACTICAL APPROACH FOR THE CLINICIAN." In A Clinical Guide to Dental Traumatology. Elsevier, 2007. http://dx.doi.org/10.1016/b978-0-323-04039-6.50009-3.

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Тези доповідей конференцій з теми "Crown fracture"

1

Uddin, Mohammed, and Gery Wilkowski. "Fracture Toughness of Welds Using As-Welded-Geometry/SENT Specimens." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64596.

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The single-edge notch tension (SENT) test is frequently used for the assessment of the integrity of welds with flaws in them; this is done since the SENT specimen has the same flaw orientation as a surface flaw in the weld, and has similar constraint that affects the brittle-to-ductile transition and upper-shelf value. Traditionally SENT specimens are machined with a rectangular cross-section from the weld, and the thickness might be reduced because of that machining operation. The toughness value of the constant thickness machined specimen is then used in a pipe fracture analysis. Of course r

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2

Mishra, Dhaneshwar, Seung-Hyun Yoo, Chang Yeong Park, and Jeong Ung Rak. "Evaluation of Fracture Toughness of Human Dentine-Enamel Junction (DEJ) by Finite Element Analysis." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10874.

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Human teeth system is one of the most important organs, plays vital role in mastication process. It consist 3 layers, outer hard and brittle cover enamel and porous dentine separated by very thin interfacial region called Dentine Enamel Junction (DEJ) or crown dentine. Dentine and enamel has almost isotropic material property while DEJ has different microstructure near enamel and dentine represented by functionally graded microstructure. Experimental evidences show that the crack initiated in the hard enamel region grows towards the crown dentine, it starts healing after 10–15 micron. Finite e

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3

Kohler, Robert, Tri Nguyen, and Jeffrey McBroom. "Removal of Calcified Plaque Utilizing Orbital Atherectomy." In ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/msec2014-4209.

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Arterial disease occurs when plaque builds up in the arteries and limits flow of oxygen-rich blood to organs and other parts of the body reducing organ function. Atherectomy is a mechanical process in which plaque is removed from artery walls or modified to change vessel compliance. Various types of atherectomy systems exist to remove or modify plaque depending on plaque morphology. Orbital atherectomy (Diamondback 360® Orbital Atherectomy System) is a sanding process utilizing a diamond abrasive crown mounted eccentrically to a flexible drive shaft. The effects of rotational speed, crown size

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Weir, F. M., and J. W. Watton. "Discrete Fracture Network Modelling for a Shallow Cover Road Tunnel System." In 3rd International Discrete Fracture Network Engineering Conference. ARMA, 2022. http://dx.doi.org/10.56952/arma-dfne-22-0004.

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Abstract The city of Sydney (Australia) is currently undergoing a major infrastructure construction boom, with numerous rail and road tunnels currently under construction. This paper presents DFN modelling undertaken as part of the tunnel design process for a major road tunnel system in western Sydney. The primary discontinuities controlling block formation are expected to be joints, bedding planes and seams / bedding plane shears, which were included in the DFN model. This paper presents the necessary input parameters for the modelling and derivation of these parameters, along with the model

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Khasnulhadi, K., R. Daud, F. Mat, K. S. Basaruddin, M. H. Sulaiman, and A. K. Ariffin. "Effect of meshing element on J-integral value for homogenous crown fracture behavior." In 3RD ELECTRONIC AND GREEN MATERIALS INTERNATIONAL CONFERENCE 2017 (EGM 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5002362.

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Sego, T. J., Yung-Ting Hsu, Tien-Min Gabriel Chu, and Andres Tovar. "On the Significance and Predicted Functional Effects of the Crown-to-Implant Ratio: A Finite Element Study of Long-Term Implant Stability Using High-Resolution, Nonlinear Numerical Analysis." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67654.

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With the rising popularity of short dental implants, the effects of the crown-to-implant (C/I) ratio on stress and strain distributions remain controversial. Previous research disagrees on results of interest and level of necessary technical detail. The present study aimed to evaluate the strain distribution and its functional implications in a single implant-supported crown with various C/I ratios placed in the maxillary molar region. A high-fidelity, nonlinear finite-element model was generated to simulate multiple clinical scenarios by laterally loading a set of single implants with various

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Song, JingE, Yan Nan, and Bin Liu. "Effect of iRoot BP Plus on Pulpotomy of Young Permanent Teeth with Complicated Crown Fracture: A Case Report." In International Conference on Biotechnology and Biomedicine. SCITEPRESS - Science and Technology Publications, 2022. http://dx.doi.org/10.5220/0012017900003633.

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Liu, Wei-Ju, Bor-Jiun Tsai, Jien-Jong Chen, Yan-Shiun Du, and Wei-Sheng Liu. "Finite Element Analysis for J-Integral of Axial Through-Wall Cracked Elbow Under Bending Moment." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57178.

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Leak-before-break (LBB) assessment of nuclear piping involves ductile fracture analysis of pipes or elbows with postulated through-wall cracks. Due to the fact that the crown part of an elbow is one of the positions that crack initiation occurs in most frequently, the calculation of J-integrals to investigate fracture behavior are important research topics. This paper proposes a 3-D finite element model of an elbow embedded with an axial through-wall crack to estimate the J-integral parameters under bending moment. The J-integral values can be calculated by using ABAQUS and taking into account

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Xue, Xutian, and Nian-Zhong Chen. "T-N Curves and Fracture Mechanics Based Mooring Fatigue Analysis for a Semi-Submersible." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61551.

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This paper is to perform T-N curves and fracture mechanics based fatigue analysis for mooring lines of a semi-submersible installed in Gulf of Mexico (GoM). The wave frequency (WF) and the low frequency (LF) load processes are regarded as two random processes and the load combination of the two processes is considered. Frequency-domain analysis is then conducted for calculating the tension ranges along hybrid-material mooring lines induced by motions of WF, LF and the combined WF and LF. The narrow-banded spectral method is used for calculating the mooring line tension and the fatigue damage o

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Kizildemir, Sena, and Herman F. Nied. "Finite Element Analysis of Crack Growth in Steel Rails Subjected to Non-Uniform Residual Stresses: Shelling to Detail Fracture." In 2024 Joint Rail Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/jrc2024-122015.

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Abstract Rail transportation is a critical component of the modern transportation infrastructure. However, railroad rails are prone to various defects that can compromise their safety and reliability. One of the most substantial risks to the safe operation of rail transportation involves the propagation of internal transverse rail defects, commonly referred to as detail fractures. Interestingly, these transverse fractures typically start from flat subsurface cracks that run parallel to the rail’s running surface and are usually referred to as “shell” defects. The shell defect is situated just

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Звіти організацій з теми "Crown fracture"

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Traczinski, Adriana, Felipe Carvalho de Macêdo, Ivete Aparecida de Mattias Sartori, and José Mauro Granjeiro. Advantages and limitations related to the rehabilitation of edentulous jaw with implant supported prostheses made of monolithic zirconia: systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.1.0111.

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Review question / Objective: P: edentulous maxillary arch; I: Full arch rehabilitation with monolithic zirconia or veneered prosthesis retained by implants; C: none; O: Biomechanical complications (framework fracture, chipping, complications, advantages, limitations); S: RCT, nor randomized clinical trials. Condition being studied: Biomechanical complications resulting from the oral rehabilitation of edentulous maxillary arch through the use of implant-supported full arc prostheses made of monolithic zirconia. Eligibility criteria: Total edentulous maxillary arch patients; rehabilitated with i

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