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Journal articles on the topic 'Cementum like material'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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1

Kharbanda, Jitin, Susmita Saxena, Sanjeev Kumar, and S. Nithya. "Internal Cementum – A Reactionary or a Reparative Response?" Current Trends in Dentistry 1, no. 2 (2024): 102–5. https://doi.org/10.4103/ctd.ctd_19_24.

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Cementum was first observed microscopically nearly two centuries ago. Since then, vast knowledge has been accumulated regarding the nature of cementum with the help of ever-evolving technological advancing techniques employed by various researchers. We are presenting a case of accidental finding wherein cementum-like material or bone-like material is seen on the dentinal wall of the pupal cavity and within a resorption bay in the dentinal tissue.

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2

Adler, C. P. "Tumour-like lesions in the femur with cementum-like material." Skeletal Radiology 14, no. 1 (1985): 26–37. http://dx.doi.org/10.1007/bf00361190.

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3

EI-Labban, N. G. "Cementum-like material in a case of Pindborg tumor." Journal of Oral Pathology and Medicine 19, no. 4 (1990): 166–69. http://dx.doi.org/10.1111/j.1600-0714.1990.tb00818.x.

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4

Beertsen, W., and V. Everts. "Formation of Acellular Root Cementum in to Dental and Non-dental Hard Tissues in the Rat." Journal of Dental Research 69, no. 10 (1990): 1669–73. http://dx.doi.org/10.1177/00220345900690100801.

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After the periodontium of the rat was wounded, the formation of acellular extrinsic fiber cementum (AEFC) did not appear to be restricted to the hard dental tissues (pre-existing cementum, dentin, and enamel). Layers resembling AEFC were also deposited along the inner wall of the alveolar bone. At the time of observation (six weeks after being wounded), cells other than fibroblast-like cells could not be distinguished close to the newly formed AEFC-like layers. We suggest that the deposition of this material was related to the activity of periodontal ligament fibroblasts.

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5

&NA;. "Cementum and cementum-like material do not always merit special designations in the surgical pathology of bone lesions." Advances in Anatomic Pathology 3, no. 1 (1996): 32. http://dx.doi.org/10.1097/00125480-199601000-00005.

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6

Maiorano, Eugenio, Giuseppe Renne, Nicoletta Tradati, and Giuseppe Viale. "Cytogical features of calcifying epithelial odontogenic tumor (Pindborg tumor) with abundant cementum-like material." Virchows Archiv 442, no. 2 (2003): 107–10. http://dx.doi.org/10.1007/s00428-002-0722-x.

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7

Cavalcante, Rafael Correia, Maria Fernanda Pivetta Petinati, Edimar Rafael de Oliveira, et al. "Benign Cementoblastoma Associated with an Impacted Third Molar inside Maxillary Sinus." Case Reports in Surgery 2018 (November 19, 2018): 1–5. http://dx.doi.org/10.1155/2018/7148479.

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Introduction. Cementoblastoma is a rare and benign odontogenic mesenchymal tumor, often characterized by the formation of cementum-like tissue produced by neoplastic cementoblasts attached to or around the roots of a tooth.Case Report. 22-year-old male patient was referred to the Federal University of Paraná after occasional finding on a routine panoramic radiograph. Clinical examination suggested no alterations. Medical and family history presented no alterations as well. Computed tomographic (CT) showed the presence of a radiopaque area associated with the roots of the impacted third molar m

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8

Shreedhar, Balasundari, Mala Kamboj, Nishant Kumar, and Sameera Shamim Khan. "Fibrous Dysplasia of the Palate: Report of a Case and Review of Palatal Swellings." Case Reports in Pediatrics 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/179853.

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Fibrous dysplasia is a benign fibroosseous lesion characterised by the replacement of normal bone by excessive proliferation of cellular fibrous connective tissue which is slowly replaced by bone, osteoid, or cementum-like material. It causes bone pain, deformities, and pathological fractures. Fibrous dysplasia (FD) is a sporadic benign skeletal disorder that can affect one bone (monostotic form) or multiple bones (polyostotic form). In this paper, we present case of a monostotic fibrous dysplasia on the hard palate of 14-year-old girl and a tabular review of common palatal swellings.

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9

Kupka, Tomasz "Tomi." "Nature-inspired Material – A Step Ahead in Dental Materials." International Annals of Science 12, no. 1 (2022): 31–46. http://dx.doi.org/10.21467/ias.12.1.31-46.

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Glass-ionomer is first choice widely used biomaterial in caries disease. The evolution of dental material science includes insertion of new components into conventional material. A literature-based review outline of biomaterials for dental restorations development was presented in nature-inspired context. This article is a tribute to the entire research community, for all listed and unlisted, involved throughout the ages in the science of dental materials with the key inventions and milestones for humanity well-being on Earth. Results. Since the Neolithic, the human mind has been seeking for a

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10

Olson, Nicholas J., Carrie Y. Inwards, Doris E. Wenger, and Karen J. Fritchie. "Fibrous Dysplasia at Unusual Anatomic Sites: A Series of 86 Cases With Emphasis on Histologic Patterns." International Journal of Surgical Pathology 29, no. 7 (2021): 704–9. http://dx.doi.org/10.1177/1066896921997141.

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Aims. Fibrous dysplasia (FD) is a benign fibro-osseous neoplasm that most commonly arises in the ribs, femur, and craniofacial bones. We analyzed features of FD arising in the spine/short tubular/small bones of the hands/feet (STSBHF), specifically assessing for pattern of bone formation (conventional, complex/anastomosing, psammomatoid/cementum like), myxoid change, and presence of osteoclast-type giant cells. Materials and methods. A total of 1958 cases of FD were reviewed, of which 131 arose in the spine/STSBHF representing 2.5% of institutional and 10% of consultation cases, respectively.

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11

Kato, Akihito, Hirofumi Miyaji, Ryosuke Ishizuka, et al. "Combination of Root Surface Modification with BMP-2 and Collagen Hydrogel Scaffold Implantation for Periodontal Healing in Beagle Dogs." Open Dentistry Journal 9, no. 1 (2015): 52–59. http://dx.doi.org/10.2174/1874210601509010052.

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Objective : Biomodification of the root surface plays a major role in periodontal wound healing. Root surface modification with bone morphogenetic protein (BMP) stimulates bone and cementum-like tissue formation; however, severe ankylosis is simultaneously observed. Bio-safe collagen hydrogel scaffolds may therefore be useful for supplying periodontal ligament cells and preventing ankylosis. We examined the effects of BMP modification in conjunction with collagen hydrogel scaffold implantation on periodontal wound healing in dogs. Material and Methods: The collagen hydrogel scaffold was compos

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12

Lopez-Ayuso, Christian Andrea, Benjamin Aranda-Herrera, Dulce Guzman-Rocha, Patricia Alejandra Chavez-Granados, and Rene Garcia-Contreras. "Synthetic Proteins in Dental Applications." SynBio 2, no. 1 (2023): 1–20. http://dx.doi.org/10.3390/synbio2010001.

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Biotechnology and artificial intelligence have sparked a revolution in dentistry, with a focus on restoring natural tissue functions. This transformation has given rise to bioactive materials, inspired by biomimetics, aimed at replicating the processes found in nature. As synthetic biology advances, there is a heightened focus on signaling systems crucial for bio-based diagnostics and therapeutics. Dentistry now harnesses synthetic proteins for tissue regeneration and dental material enhancement. A current research priority is bacterial biofilm inhibition, vital for dental health. Given the ro

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13

Pushparaja, Shetty, and Adyanthaya Soniya. "Peripheral Ossifying Fibroma- A Clinical and Histological Evaluation of 51 Cases." PJSR 5, no. 1 (2012): 9–14. https://doi.org/10.5281/zenodo.8267108.

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The present retrospective study was carried out to investigate the clinical and histological features of 51 cases of peripheral ossifying fibroma (POF). The clinical information such as age, sex, location, color of the lesion, pedunculated/ sessile was recorded. The lesion was found more frequently in females (62.75%) and 2nd decade. It had a predilection for the maxillary gingiva (68.63%) and the incisor/cuspid region (72.55%). The average age of occurrence was 38.5 years. Histologically, the surface epithelium was ulcerated in 15(29.41%) cases and in the rest, it was non-ulcerated. The lesio

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14

Zhang, X., D. Schuppan, J. Becker, P. Reichart, and H. R. Gelderblom. "Distribution of undulin, tenascin, and fibronectin in the human periodontal ligament and cementum: comparative immunoelectron microscopy with ultra-thin cryosections." Journal of Histochemistry & Cytochemistry 41, no. 2 (1993): 245–51. http://dx.doi.org/10.1177/41.2.7678270.

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We studied the ultrastructural localization of three distantly related glycoproteins of the extracellular matrix, undulin, tenascin and fibronectin, in decalcified sections of human periodontal ligament (PL) and cementum. Undulin was associated with tightly packed major collagen fibrils and not with microfibrils, indicating that this protein may be involved in the supramolecular and functional organization of collagen fibrils into flexible bundles. Tenascin was found on globular masses between less densely packed collagen fibrils, thus displaying a pattern quite distinct from that of undulin.

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Gangwar, Shilpi, Priya Kumari, and Umesh Chandra Chaudhary. "Peripheral ossifying fibroma-Case report." International Dental Journal of Student's Research 11, no. 1 (2023): 32–35. http://dx.doi.org/10.18231/j.idjsr.2023.007.

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Peripheral ossifying fibroma is a reactive lesion arising from periodontal cells in response to local irritation with females in second decade of their life are more affected and with maxillary anterior region predilection. Clinical appearance with erythmatous or pink in colour with large lesions are generally smooth. Lesion usually not exceed 1.5 cm. Underlying bone sometimes shows loacalized bone erosion. Treatment usually involves exicision of the lesion with histopathological examination. Chances of recurrence after complete removal is higher. 19 year old female patient came with complain

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16

Kumar, Shwetha, and Rahul Kadam. "Focal Cemento-osseous Dysplasia." Journal of Contemporary Dentistry 3, no. 2 (2013): 112–15. http://dx.doi.org/10.5005/jp-journals-10031-1048.

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ABSTRACT Focal cemento-osseous dysplasia (FCOD) is a benign fibroosseous condition that can be seen in dentulous and edentulous patients. It is an asymptomatic lesion and needs no treatment; however, follow-up is essential due to the possibility that it can progress to a condition called florid cemento-osseous dysplasia. Clinically, the lesion resembles periapical pathosis of odontogenic origin. FCOD is an asymptomatic lesion and occurs in the periapical area of teeth with vital pulps or in regions of extractions. The lesion is detected only on radiographic examination varying from completely

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17

Ranganath, K., Sejal K. Munoyath, K. Vineeth Kumar, and Saumya Kapoor. "Comprehensive surgical management of juvenile psammomatoid cemento-ossifying fibroma of the maxilla." International Journal of Oral Health Sciences 14, no. 2 (2024): 78–81. https://doi.org/10.4103/ijohs.ijohs_26_24.

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Abstract The cemento-ossifying fibroma is a neoplasm that belongs to a group of lesions referred to as benign fibro-osseous lesions. These lesions are characterized by the replacement of normal bone by fibrous tissue and varying amounts of newly formed bone and/or cementum-like material. The juvenile cemento-ossifying fibroma is particularly unique lesion because of its reported tendency to occur in children and adolescents, its more complex histologic features, and its tendency for more aggressive growth. The lesions are typically observed in patients younger than 15, rapidly increase in size

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18

Ju, Yeonjin, Soyoung Park, Jonghyun Shin, Taesung Jeong, and Eungyung Lee. "Early Intervention with a Preformed Eruption Guidance Appliance After the Excision of Cemento-Ossifying Fibroma: A Case Report." Children 12, no. 3 (2025): 379. https://doi.org/10.3390/children12030379.

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Background: Cemento-ossifying fibroma (COF) is a benign, non-aggressive fibro-osseous tumor in which normal bone is replaced by fibrous tissue containing collagen fibers, bone, or cementum-like material. Although COF is rare in children, its occurrence requires careful management due to its potential impact on tooth development and occlusion. Surgical excision is the widely used treatment; however, post-operative occlusal guidance is crucial, particularly in pediatric patients. Case report: This case report presents the early intervention using a preformed eruption guidance appliance (EGA) fol

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19

Manoj, Bobbili*1 Dr. Nagaraja A2 Govindraj Nalabolu3 Smitha Birjdar4 &. Bharath TS5. "FIBROOSSEOUS LESIONS OF JAWS-AN INSTITUTIONAL STUDY OF 69 CASES IN COASTAL ANDHRA PRADESH." Indian Journal of Medical Research and Pharmaceutical Sciences 4, no. 8 (2017): 13–22. https://doi.org/10.5281/zenodo.851858.

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<strong>Background:</strong> Fibro-osseous lesions (FOLs) of the jaws comprise a diverse and interesting group of conditions with variable classification systems that challenge the diagnostic acumen. Microscopically they are characterised by a fibrous stroma containing various combinations of bone and/ cementum like material. <strong>Methodology:</strong> Among 106 cases of bone lesion biopsies submitted to our department from 2004 to 2015, 69(65%) cases were diagnosed as FOLs. The demographic data, radiographic and histological findings were corroborated and statistical analysis was done and

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20

Manisha Gajbhiye, Mandakini S. Mandale, Jayanti G. Humbe, Vaishali Nandkhedkar, Savita Wagh, and Poonam Zanwar. "Age estimation with cemental incremental lines- A Phase contrast and stereomicroscopic study." International Journal of Forensic Odontology 8, no. 2 (2023): 15–21. http://dx.doi.org/10.56501/intjforensicodontol.v8i2.898.

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Background : Age estimation is an important factor in forensic science for human identifcation. Teeth resist decomposition at death unlike other tissues. The gradual structural changes that take place throughout the life have made teeth useful indicators for age estimation.Cemental annulation is a microscopic method for the determination of age based on the analysis of incremental lines of cementum. Light microscopy as well as specialized microscopic techniques have been employed to enhance the assessment of the cemental annulations. Aim : To estimate age with cemental incremental lines in hum

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21

Rafael Correia Cavalcante, Camila Lago, Luiz Eduardo Baglioli, et al. "Juvenile trabecular ossifying fibroma in association with multiple mandible deciduous teeth: an atypical case report." RSBO 17, no. 1 (2020): 76–83. http://dx.doi.org/10.21726/rsbo.v17i1.358.

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Ossifying fibroma is a benign fibro-osseous lesion characterized by the formation of a cellular fibrous connective tissue stroma with cementum-like material and/or osseous components. The juvenile variant is reported to be an aggressive lesion in paediatric patients. Its poor symptomatology contrasts with its highly aggressive behaviour in maxillary or mandibular region. Objective: The aim of the present study is to report a case of an atypical ossifying fibroma in association of multiple deciduous teeth. Case report: A nine years-old girl was referenced to the Oral and Maxillofacial Surgery S

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22

Modolo, R. C. E., L. Senff, J. A. Labrincha, V. M. Ferreira, and L. A. C. Tarelho. "Lime mud from cellulose industry as raw material in cement mortars." Materiales de Construcción 64, no. 316 (2014): e033. http://dx.doi.org/10.3989/mc.2014.00214.

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23

Huang, Yu Cheng, Rui Min Feng, Hong Pan Wang, Wen Ping Zhao, and Yong Fei Liu. "The Coal Mining Mode of Paste-Like Fill and its Application Prospects." Advanced Materials Research 255-260 (May 2011): 3744–48. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.3744.

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The coal mining mode of paste-like fill shows the connotation and characteristics of green mining both in the filling materials and mining backfill technology. Combined with the practical situation of colliery, some main components of the coal mining mode of paste-like fill are introduced emphatically, such as the cemented filling material, the preparation and transportation of filling materials, and filling technology at working face; the application prospects on mining with paste-like fill are analyzed.

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Garboczi, E. J., and D. P. Bentz. "Computational Materials Science of Cement-Based Materials." MRS Bulletin 18, no. 3 (1993): 50–54. http://dx.doi.org/10.1557/s0883769400043906.

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Cement-based materials are random composite materials over many length scales. In common with any random material, the two main problems that must be solved to obtain quantitative theoretical understanding of microstructure-property relationships are: (1) what actually is the microstructure, and (2) given enough knowledge of a micro-structure, how can properties be calculated?In the past few decades, physicists and chemists have studied microstructure/property relationships for atomically disordered materials like semiconductor and metallic glasses, while mechanical engineers have done the sam

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Zhang, Yong, Zhiguo Cao, and Xiaomeng Shi. "Study on the Water-Physical Properties of the Cement-Plaster Bonded Rock-Like Materials." Advances in Civil Engineering 2021 (February 6, 2021): 1–7. http://dx.doi.org/10.1155/2021/8863064.

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The cement-plaster bonded rock-like material is one of the most commonly used materials to simulate different rocks in physical model tests. However, the applicability of this material in solid-fluid coupling model tests is not clear because there are few research studies on the water-physical properties of this material and its similarity to the actual rock is uncertain. This paper presents a systemic experimental study on the water-physical properties of the cement-plaster bonded rock-like materials. The parameters of rock-like materials, including water absorption, softening coefficient, an

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Guan, Weiming, Dongsheng Zhang, Yingyuan Wen, and Xufeng Wang. "Influence of Curing Humidity on the Compressive Strength of Gypsum-Cemented Similar Materials." Advances in Materials Science and Engineering 2016 (2016): 1–12. http://dx.doi.org/10.1155/2016/7062624.

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The analogous simulation experiment is widely used in geotechnical and mining engineering. However, systematic errors derived from unified standard curing procedure have been underestimated to some extent. In this study, 140 gypsum-cemented similar material specimens were chosen to study their curing procedure with different relative humidity, which is 10%–15%, 40%, 60%, and 80%, respectively. SEM microstructures and XRD spectra were adopted to detect the correlation between microstructures and macroscopic mechanical strength during curing. Our results indicated that the needle-like phases of

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27

Sakamoto, Shigehiko. "Precision Drilling of Carbon Fiber Reinforced Plastics with Ball Nose End Mills." International Journal of Automation Technology 10, no. 3 (2016): 334–40. http://dx.doi.org/10.20965/ijat.2016.p0334.

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Carbon Fiber Reinforced Plastics (CFRP) is well known as a Carbon Fiber Reinforced Plastics (CFRP) is well known as a difficult-to-cut material that has very strong physical and mechanical characteristics. Drilling technique of CFRP that is one of the most important cutting operations is currently carried out in the aviation and automotive industries, among others. Parts manufactured from CFRP have many precision holes used as rivet holes and for various purposes. There are typicaly many problems involved in the precision drilling processes of CFRP plate such as burrs, chippings and delaminati

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28

Theyse, H. L., M. De Beer, and F. C. Rust. "Overview of South African Mechanistic Pavement Design Method." Transportation Research Record: Journal of the Transportation Research Board 1539, no. 1 (1996): 6–17. http://dx.doi.org/10.1177/0361198196153900102.

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A historical overview of the South African mechanistic pavement design method, from its development in the early 1970s to the present, is presented. Material characterization, structural analysis, and pavement life prediction are discussed, and stiffness values are suggested for a range of materials in the absence of measured values. The modes of failure for these material types include the fatigue of asphalt material, deformation of granular material, crushing and effective fatigue of lightly cemented material, and deformation of selected and subgrade material. The critical parameters and tra

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Liu, Yu, Jiawei Qu, Xintong Cai, Wenchao Zhang, and Shengfang Zhang. "Experimental Study on Electro-Spark Additive/Subtractive Repair for Worn Cemented Carbide." Machines 11, no. 3 (2023): 333. http://dx.doi.org/10.3390/machines11030333.

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Worn cemented carbide tool bits are often discarded because of the difficulty of their repair, resulting in a great deal of waste. Surface strengthening technology often extends the service life of worn tools. Electro-spark deposition (ESD) coating and matrix materials are metallurgically and closely bonded, and the approach has the characteristics of small heat input, a small heat-affected zone, and low repair cost, so it is suitable for strengthening the surface of cemented carbide tools. As the surface of cemented carbide tools is often not flat, which affects the uniformity of the deposite

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Volos, L. I., and H. L. Stoliar. "A rare case of cementifying fibroma of the mandible: a histopathological study." Morphologia 18, no. 4 (2025): 32–39. https://doi.org/10.26641/1997-9665.2024.4.32-39.

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Background. Benign fibro-osseous lesions are characterized by the replacement of normal bone tissue with connective tissue that undergoes varying degrees of mineralization. The main forms of fibro-osseous lesions include fibrous dysplasia, cemento-osseous dysplasia, and various variants of ossifying fibroma, such as cemento-ossifying and cementifying fibroma. Fibro-osseous lesions have similar clinical symptoms, radiographic, and histological features. These lesions are a diagnostic problem for maxillofacial surgeons and pathologists. Therefore, a comprehensive evaluation of these lesions will

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Vopát, Tomáš, Jozef Peterka, Vladimír Šimna, and Ivan Buranský. "The Influence of Copy Strategy on the Tool Life of Ball End Mills and Achieved Surface Roughness." Key Engineering Materials 686 (February 2016): 240–45. http://dx.doi.org/10.4028/www.scientific.net/kem.686.240.

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The article deals with the tool life of ball nose end mills and surface roughness of steel C45 depending on up-copying and down-copying. The cemented carbide and high speed steel was used as tool material. Furthermore, the new and sharpened cutting tools were also compared. In the experiment, the cutting speed, feed rate, axial and radial depth of cut were not changed. The results show different achieved surface roughness of machined material C45 and tool life of ball nose end mills depending on the copy milling strategy for various tool materials.

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Xu, Qingzhong, Jun Zhao, Xing Ai, Weimin Huang, and Guijie Wang. "Optimum selection of tool materials for machining of high-strength steels based on fuzzy comprehensive evaluation method." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 233, no. 1 (2017): 145–53. http://dx.doi.org/10.1177/0954405417713041.

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To provide guidance for the tool materials selection in the machining of high-strength steels, this article outlines the application of fuzzy comprehensive evaluation method for the cutting performance evaluation of cemented carbide tools, ceramic tools, and cermet tools. The results indicate that cermets with the best comprehensive cutting performance are chosen as the optimum tool materials for the machining of high-strength steels. Moreover, the severe adhesion wear characteristics of cemented carbide tools are detrimental to the surface quality of workpieces. The obvious crater wear and fu

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Solismaa, Soili, Akseli Torppa, Jukka Kuva, et al. "Substitution of Cement with Granulated Blast Furnace Slag in Cemented Paste Backfill: Evaluation of Technical and Chemical Properties." Minerals 11, no. 10 (2021): 1068. http://dx.doi.org/10.3390/min11101068.

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Cemented paste backfill (CPB) offers an environmentally sustainable way to utilize mine tailings, one of the largest waste streams in the world. CPB is a support and filler material used in underground mine cavities, which consists of mine tailings, water, and binder material that usually is cement. Replacing cement with secondary raw materials like granulated blast-furnace slag reduces the total CO2 emissions and strengthens the internal microstructure of the CPB. This study characterizes the total- and soluble contents of CPB starting materials and five CPB specimens containing different lev

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Shraddha, Chakurkar, and K.G. Guptha Dr. "Cement as an Evolutionary Binding Material." Journal of Engineering Analysis and Design 3, no. 2 (2021): 1–11. https://doi.org/10.5281/zenodo.5548922.

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Cement being widely used and accepted binding material in construction industry has witnessed changes in terms of method of production and composition. Various materials like pozzolana and nano materails were introduced. Addition of pozzolana reduces the requirement of OPC and increase durability, long term strength, and also improved micro-structure. Since Nano materials are of the order of CSH gel are more efficient than pozzolanic materials at lower dosage. Limitation in using nano materials are their higher cost and difficulty in dispersion of agglomerated particles. Production of cement h

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Huang, Xu Quan, Hao Bo Hou, Min Zhou, and Wei Xin Wang. "Mechanical Properties and Microstructure Analysis of Copper Tailings Solidifying with Different Cementitious Materials." Advanced Materials Research 878 (January 2014): 171–76. http://dx.doi.org/10.4028/www.scientific.net/amr.878.171.

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With new type steel slag-blast furnace slag-fluorgypsum-based cemented material, P O42.5 cement, commonly used cementation agent in China, mechanical properties and microstructure of tailings solidification bodies are studied. The hydration products and morphology tailings concretion body in 60 days are analyzed by SEM and XRD test, which reveals the tailings cementation mechanism solidifying with different cementitious material. Furthermore, a large number of slender bar-like ettringite crystals and filamentous network-like calcium-silicate-hydrate gels bond firmly each other, which is the mo

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Labaj, Martin, Rudolf Hela, and Iveta Hájková. "Nanosilica Activated High Volume Fly Ash Concrete: Effects on Selected Properties." Key Engineering Materials 722 (December 2016): 157–62. http://dx.doi.org/10.4028/www.scientific.net/kem.722.157.

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By volume, there is no other material used as much as concrete. Its mechanical properties, durability and favorable price makes concrete the perfect construction material. In last few decades, we are seeing a growing trend of partial Portland cement’s replacement with secondary raw materials, most commonly with fly ash. So-called high volume fly ash (HVFA) concretes usually contains over 50% of it. While HVFA concrete’s long-term properties and price are improved over the classical one, its early age properties are often affected negatively. Here, a highly reactive pozzolans enters the scene.

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Xu, Ying, Jinjin Ge, Hailong Li, Rongzhou Yang, Kun Wang, and Shi Hu. "Relationship between Fractal Dimension of Fragmentation Degree and Energy Dissipation of Rock-Like Materials under Initial Stress." Shock and Vibration 2020 (November 28, 2020): 1–10. http://dx.doi.org/10.1155/2020/8861971.

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In order to obtain the relationship between fractal dimension and energy dissipation of rock-like materials under initial stress state, a variable cross-section split Hopkinson pressure bar (SHPB) test system with active confining pressure loading device was used to carry out impact compression and splitting tests on cemented sand specimens. The impact test results show that (1) the prediction value on the fragmentation degree of cemented sand specimens by using the fractal model is basically consistent with the screening results of actual test, which verifies the applicability of the fractal

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Devito, Karina Lopes, Ana Isabel Ortega, and Francisco Haiter-Neto. "Radiopacity of calcium hydroxide cement compared with human tooth structure." Journal of Applied Oral Science 12, no. 4 (2004): 290–93. http://dx.doi.org/10.1590/s1678-77572004000400007.

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AIMS: All materials added to teeth should present an adequate radiopacity to allow the detection of secondary caries. Usually, in extensive cavities, base materials like calcium hydroxide cement are used for the purpose of protecting the pulp. In an attempt to improve the efficiency of radiographic detection of this material, this study aimed to determine the radiopacity of three calcium hydroxide cements and to compare the radiopacity of these materials with dentin and enamel. METHODS: Radiographs were taken of 1-mm thick specimens of three calcium hydroxide cements: Hydro-C, Dycal and Life,

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Zhang, Fei Hu, J. C. Gui, Yi Zhi Liu, and Hua Li Zhang. "Experimental Research on ELID Grinding and Cutting Performance of Nano Cemented Carbide Cutters." Key Engineering Materials 291-292 (August 2005): 115–20. http://dx.doi.org/10.4028/www.scientific.net/kem.291-292.115.

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Nano cemented carbide is a new style cutter material. Because its grain size is very small, it is superior to common cemented carbide in properties, such as high hardness, fracture toughness, flexural strength and higher abrasion resistance. As a cutter material, nano cemented carbide has wide use. In this paper, nano cemented carbide tool was ground with ELID technology, and the cutting properties of nano cemented carbide were studied, and the difference in cutting properties among the ultra-fine grain, common cemented carbide and nano cemented carbide was analyzed under the same condition. R

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Aliyeva, G., M. Damirchiyeva, A. Orujov, and L. Ibrahimova. "SILICATE CEMENTS USED IN DENTISTRY." Scientific heritage, no. 104 (January 8, 2023): 81–83. https://doi.org/10.5281/zenodo.7513836.

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Cements used in dentistry are filling materials that consist of two components: powder and liquid. When they are mixed, a homogeneous plastic mass, and at the end, a stone-like mass is formed [2,3]. Depending on the presence of various chemical elements in their composition, cements are divided into different groups. Among them, a certain place is occupied by silicate cements, which were popular in the past and used for aesthetic filling of teeth. However, today they are increasingly used in mass dental work, where the use of modern composite materials is unacceptable due to significant materi

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Casa, Mauricio A., Rolf M. Faltin, Kurt Faltin, and Victor E. Arana-Chavez. "Root Resorption on Torqued Human Premolars Shown by Tartrate-Resistant Acid Phosphatase Histochemistry and Transmission Electron Microscopy." Angle Orthodontist 76, no. 6 (2006): 1015–21. http://dx.doi.org/10.2319/071505-233.

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Abstract Objective: To identify clastic cells on the root surfaces of torqued human premolars. Materials and Methods: A continuous force of 600 cNmm was applied to upper first premolars in patients 13–16 years of age by using a precise biomechanical model with superelastic wires (NiTi-SE). The 28 teeth in 14 patients were divided into five groups (control [nonmoved], and moved for either 1, 2, 3, or 4 weeks) and processed for tartrate-resistant acid phosphatase (TRAP) histochemistry and transmission electron microscopy. Results: Mononuclear TRAP-positive cells appeared at 2 weeks, wheras large

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chowdary, Mr K. Dileep, Mr P. Ajay, Mr P. Rajesh, Mr P. Ramakrishna, and Mr A. Gowri shankara rao. "Utilization of Dolomite Powder as Partial Replacement to the Cement." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem42523.

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In this generation, we observe the rapid urbanization and industrialization which was leading to the increase in the construction of the projects. Several attempts have been therefore made in the building material industry to put to use natural materials to control the total cost of the project. Concrete is the prime material used in any RCC structure. So, in the construction of any structure concrete is main material to be used in completion of structure. Concrete is a mixture of several ingredients but the main ingredients are cement and coarse aggregate. The natural material can also be rep

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Mani-Caplazi, Gabriela, Werner Vach, Ursula Wittwer-Backofen, and Gerhard Hotz. "The concordance of signals based on irregular incremental lines in the human tooth cementum with documented pregnancies: Results from a systematic approach." PLOS ONE 17, no. 9 (2022): e0267336. http://dx.doi.org/10.1371/journal.pone.0267336.

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Background and objective There is evidence from previous studies that pregnancies and diseases are recorded in the tooth cementum. This study aims to assess the degree of concordance between signals based on irregular incremental lines (ILs) and reported pregnancies. Material and methods 23 recent and 24 archaeological human teeth with known birth history were included in this investigation. 129 histological sections of tooth roots were assessed for irregularities in appearance and width using a standardized protocol. Similarity of observed irregularities at the section level allowed us to def

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Santana, Maricela, Gonzalo Montoya, Raúl Herrera, et al. "Cemp1-p3 Peptide Promotes the Transformation of Octacalcium Phosphate into Hydroxyapatite Crystals." Crystals 10, no. 12 (2020): 1131. http://dx.doi.org/10.3390/cryst10121131.

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Dental cementum contains unique molecules that regulate the mineralization process in vitro and in vivo, such as cementum protein 1 (CEMP1). This protein possesses amino acid sequence motifs like the human recombinant CEMP1 with biological activity. This novel cementum protein 1-derived peptide (CEMP1-p3, from the CEMP1’s N-terminal domain: (QPLPKGCAAVKAEVGIPAPH), consists of 20 amino acids. Hydroxyapatite (HA) crystals could be obtained through the combination of the amorphous precursor phase and macromolecules such as proteins and peptides. We used a simple method to synthesize peptide/hydro

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Zhao, Li Li, Zhi Hong Wang, Yu Liu, et al. "Analysis on the Global Warming Potential of Cement Concrete Pavement in China." Materials Science Forum 814 (March 2015): 418–24. http://dx.doi.org/10.4028/www.scientific.net/msf.814.418.

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The global warming of cement concrete pavement from raw material extraction to road construction was analyzed by the method of life cycle assessment. The characterization results showed that the procedure of producing material is the most important stage to emit greenhouse gas and it accounts for 98.5% of the global warming potential that caused by the material production and construction stage. For the materials used in different structure layers, surface layer is the biggest impact of greenhouse and accounts for 68.9% of the total impact caused by material used in constructing pavement. Ther

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Zhou, Nan, Haobin Ma, Shenyang Ouyang, Deon Germain, and Tao Hou. "Influential Factors in Transportation and Mechanical Properties of Aeolian Sand-Based Cemented Filling Material." Minerals 9, no. 2 (2019): 116. http://dx.doi.org/10.3390/min9020116.

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Given that normal filling technology generally cannot be used for mining in the western part of China, as it has only a few sources for filling gangue, the feasibility of instead using cemented filling materials with aeolian sand as the aggregate is discussed in this study. We used laboratory tests to study how the fly ash (FA) content, cement content, lime–slag (LS) content, and concentration influence the transportation and mechanical properties of aeolian-sand-based cemented filling material. The internal microstructures and distributions of the elements in filled objects for curing times o

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Liu, Zhan Qiang, and Qi Lin. "Numerical Analysis of Face Milling Ti6Al4V with Different Tool Materials." Materials Science Forum 723 (June 2012): 299–304. http://dx.doi.org/10.4028/www.scientific.net/msf.723.299.

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Ti6Al4V is one kind of difficult-to-machine aeronautical materials, which is generally machined by coated cemented carbide tools. A three-dimensional face milling model is developed in this paper with finite element analysis software AdvantEdge to analyze influences of tool materials on tool temperatures, cutting forces and tool stresses. The simulation results have shown that PCBN tools are the most appropriate for machining titanium alloy when it is machined with heavier cutting parameters. Cemented carbide-K tools and PCD tools are suitable for finish machining titanium alloy. The PCD tools

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P., Harsha Vardhan1 Anjani Sri Ratyashmi2 &. Kalyan3. "HUMAN ASH AS A REPLACEMENT FOR CEMENT IN CONCRETE." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 5, no. 6 (2018): 73–78. https://doi.org/10.5281/zenodo.1285776.

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Concrete is generally used as a construction material today in any structure. Increase in construction activities has lead to an increase in demand for various raw materials in concrete. This lead to researchers to focus on the use of alternate materials as ingredients in the concrete that is in no way inferior to the normal materials used in concrete. By partially replacing the ingredients with different proportions the strength of concrete can be determined. In recent years there has been a great deal of interest and support worldwide in utilizing Environmental pollutant material as a replac

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Savita, Chaudhary, and Pratap Singh Aditya. "Mix Design of Grade M35 by Replacement of Cement with Rice Husk Ash in Concrete." International Journal of Engineering and Management Research 8, no. 3 (2018): 77–83. https://doi.org/10.31033/ijemr.8.3.11.

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The optimized RHA, by controlled burn or grinding, has been used as a pozzolanic material in cement and concrete. Using it provides several advantages, such as improved strength and durability properties, and environmental benefits related to the disposal of waste materials and to reduced carbon dioxide emissions. Up to now, little research has been done to investigate the use of RHA as supplementary material in cement and concrete production .The main objective of this work is to study the suitability of the rice husk ash as a pozzolanic material for cement replacement in concrete. However it

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Kaps, Christian, and Marc Hohmann. "Geopolymer Binders in Composite Cements and Ceramic-Like Materials." Advances in Science and Technology 69 (October 2010): 31–40. http://dx.doi.org/10.4028/www.scientific.net/ast.69.31.

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Two types of geopolymeric networks have been prepared and characterized: aluminosilicatic binders(1) generated of metaclays for composite cements and iron-phosphate binders(2) formed of iron oxyhydroxites for applications in strong acidic environments. The focus of the investigations was on the influence of the thermal(1) or the acidic(2) activation on the structure and properties of the materials. In both cases, the amount of present water plays an essential role.

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