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Articoli di riviste sul tema "Teeth Abrasion"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 gennaio 2023

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1

Jakarta1, Ngatemi poltekkes, and Erna Sariana. "Hubungan Karakteristik dan Kebiasaan Menyikat Gigi dengan Kejadian Abrasi Gigi Pada Pegawai Yayasan Masjid Al-ikhlas Cilandak Jakarta." ARKESMAS (Arsip Kesehatan Masyarakat) 4, no. 2 (February 29, 2020): 185–90. http://dx.doi.org/10.22236/arkesmas.v4i2.3746.

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ABSTRACT Abrasion is damage to dental tissue due to foreign objects, such as toothbrushes and toothpastes that contain abrasive ingredients. Abrasion caused by brushing teeth in a horizontal direction and with excessive emphasis. This study aims to obtain an overview of the relationship between the characteristics and habits of brushing teeth with the incidence of dental abrasion in employees of the Al-Ikhlas Masjid Cilandak Foundation in Jakarta. This research is a descriptive study with a cross sectional design. The research sample used total sampling totaling 32 employees of Masjid Al

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2

Nam, Jinsu, Duong Hong Nguyen, Seungjun Lee, Seok-Mo Heo, and Junyoung Park. "Simulation of Non-Carious Cervical Lesions by Computational Toothbrush Model: A Novel Three-Dimensional Discrete Element Method." Sensors 22, no. 11 (May 31, 2022): 4183. http://dx.doi.org/10.3390/s22114183.

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Non-carious cervical lesions (NCCLs) are saucer-shaped abrasions of a tooth. NCCLs can form due to various etiologies, including toothbrushing wear, acid erosion, and mechanical stress. Owing to this complex interplay, the mechanism of NCCLs in tooth abrasion has not been established. This study aims to develop a numerical method using a computational toothbrush to simulate NCCLs. The forces acting on the teeth and the amount of abrasion generated were evaluated. The discrete element method using in-house code, connected particle model, and Archard wear model were applied for brushing. In the

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Sharma, Eeshita, Manjit Kumar, Rohit Sharma, Ajay Bansal, and Sumit Katoch. "Comparative Evaluation of Bond Strength between Ridge Lap Surface of Acrylic Teeth and Denture Base Resin: An In Vitro Study." Dental Journal of Advance Studies 07, no. 01 (March 28, 2019): 012–18. http://dx.doi.org/10.1055/s-0039-1684881.

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Abstract Statement of Problem Acrylic teeth are preferred to porcelain teeth in dentures as they unite chemically with denture base resin, but their fracture from denture is common. Purpose The purpose of this study was to improve the bond strength of denture teeth to acrylic resin denture base by chemical or mechanical modification of the ridge lap surface of denture teeth. Materials and Methods Total 100 artificial cross-linked acrylic resin central incisors were divided into five groups: group A, 20 samples without modification (control group); group B, 20 samples (ridge lap surface of teet

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Freitas, Karina Matthes de, and Helena de Freitas Oliveira Paranhos. "Weight loss of five commercially available denture teeth after toothbrushing with three different dentifrices." Journal of Applied Oral Science 14, no. 4 (August 2006): 242–46. http://dx.doi.org/10.1590/s1678-77572006000400006.

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Brushing is the most common cleansing method employed on complete dentures and it may damage the integrity of acrylic resin, the main component of this type of prosthesis. This study evaluated the abrasion resistance of artificial teeth with different number of acrylic layers, and the abrasiveness of specific and non-specific dentifrices for denture cleaning. The abrasion test was conducted by a tooth brushing device, using soft toothbrushes under load (200g). Sixty artificial teeth specimens were manufactured, 12 from each brand: Vipi-Dent Plus (Dental Vipi), Trubyte Biotone (Dentsply), Trilu

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Subbotin, R. S., S. B. Fishchev, A. V. Lepilin, A. A. Kondratyuk, and M. N. Puzdyreva. "Comparative characteristics of masticatory muscle tone in patients with compensated and decompensated increased teeth abrasion." Periodontology 24, no. 2 (April 29, 2019): 150–56. http://dx.doi.org/10.33925/1683-3759-2019-24-2-150-156.

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Relevance. Increased dental abrasion frequent nosological form of dentistry. In young people, PSZ is less common (6.3%) than in middle-aged people (32.7%), as well as people of older age groups (11.8-20.6%). Among foreign researchers, "rejuvenation" of increased teeth abrasion is noted in many countries, including developed ones. In the UK, in dental clinics, this pathology is 30% among people under 30 years and 42.6% among people 30-50 years, in Sweden – 29.9%, in the United States of America – 25%. To study the tone of the masticatory muscles in patients with various forms of increased teeth

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Mucić, Dinka, and Marija Đurić-Srejić. "Abrasion of Teeth in Population Groups from Historical Periods in the Region of Former Yugoslavia." Dental Anthropology Journal 11, no. 1 (September 7, 2018): 7–10. http://dx.doi.org/10.26575/daj.v11i1.218.

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This study investigated the frequency, type, and degree of abrasion on permanent teeth from 694 skulls from archaeological sites dating from the beginning of the first century AD to the beginning of the twentieth century in the former Yugoslavia. The conclusions are: 1) 100% of the specimens had dental abrasion; 2) the Roman Age and Middle Ages teeth had a horizontal-vertical type of abrasion, while New Age teeth had a predominantly horizontal type of abrasion; and 3) Roman Age and the Middle Ages groups had the most severe loss of dental hard tissue.

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Razumova, S. N., Y. S. Kozlova, A. S. Brago, H. Barakat, and A. S. Manvelyan. "Evaluation of the Roughness of the Enamel Surface According to Profilometry Data (Pilot Study)." Medical alphabet, no. 34 (January 13, 2023): 14–18. http://dx.doi.org/10.33667/2078-5631-2022-34-14-18.

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The right choice of home hygiene products: toothbrush and toothpaste are an important aspect. The combination of different hardness of toothbrush and varying abrasiveness of tooth paste has not been fully explored.Aim. To study the effect of a soft brush on the enamel surface according to profilometry data.Materials and methods. For research, a special device was used to simulate the annual brushing of teeth. Abrasion was carried out on 6 extracted teeth, according to periodontal indications. Samples size was 1x1cm from 6 teeth removed for periodontal indications. Abrasion was carried out with

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8

Mitic, Nadica, Aleksandar Mitic, Vladimir Mitic, Vojin Savic, and Marija Nikolic. "Tooth macromorphological and ultrastructural analysis of osteological material from the medieval locality of St. Panteleimon Church in Nis." Srpski arhiv za celokupno lekarstvo 138, no. 11-12 (2010): 699–705. http://dx.doi.org/10.2298/sarh1012699m.

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Introduction. Analysis of macromorphological and ultrastructural tooth characteristics of osteological material from the medieval site of St. Pantaleimon Church in Nis provides us with insight on the life, nutrition and habits of medieval population, as well as the structure and composition of their teeth. Objective. The aim of this research, based on the tooth inspection of skeletal remains from the medieval site of St. Pantaleimon Church in Nis, was to analyze macromorphological characteristics , ultrastructure of the dental tissue of maxillary and mandibular molars, canines and incisors, as

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Kulkarni, Rahul S. "Esthetic and Functional Rehabilitation of a Patient with Abrasion, Attrition, and Missing Teeth." International Journal of Prosthodontics and Restorative Dentistry 4, no. 2 (2014): 52–55. http://dx.doi.org/10.5005/jp-journals-10019-1107.

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ABSTRACT The loss of tooth substance due to attrition and abrasion may lead to sensitivity to hot and cold, compromised esthetics, loss of anterior guidance and decreased masticatory efficiency. This case report describes the oral rehabilitation of a patient with abrasion, attrition and missing teeth. Treatment consisted of endodontic treatments of multiple teeth followed by their full coverage restorations, and fixed partial dentures for replacement of missing teeth. Esthetic and functional rehabilitation resulted in patient satisfaction, and no complications were noted related to the treatme

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Qiu, Chang Ming, Yan Feng Wang, Shu Ming Xing, and Li Jun Guo. "The Failure Mechanism of Bucket Teeth of Electric Excavator Used in Metal Mine." Advanced Materials Research 580 (October 2012): 185–88. http://dx.doi.org/10.4028/www.scientific.net/amr.580.185.

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Bucket teeth of electric excavator used in metal mine bear severe impact and friction, so their life is short and this have an negative effect on productivity. The paper analyzes the case of failure and material of bucket teeth, and researches into the mechanism of abrasion of bucket teeth and distinguishing feature of the work hardening of ZGMn13, and draw the conclusion that it is correct to choose ZGMn13 as material of bucket teeth used in metal mine. Improve configuration of bucket teeth or enhance the abrasion resistance can prolong the service life.

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Tkachenko, Iryna M., Yaroslav Y. Vodoriz, Iryna Y. Marchenko, Maryna A. Shundryk, Dmytro M. Korol, and Olena V. Gurzhiy. "CHANGES IN ELECTROMYOGRAPHY TEST RESULTS OF PATIENTS WITH PATHOLOGICAL ABRASION OF TEETH. THE ROLE OF ANTERIOR TEETH IN THE PROCESS OF REHABILITATION." Wiadomości Lekarskie 72, no. 4 (2019): 553–57. http://dx.doi.org/10.36740/wlek201904109.

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Introduction: Abrasion of teeth significantly affects electromyography results. Analyzing electromyograms of patients who needs complex rehabilitation, it is necessary to note absence of dissociation of the structure, appearance of spontaneous activity in one of the muscles, presence of the prevailing chewing side, appearance of low-amplitude oscillations in biocurrents. The aim: The purpose of this study was to determine the role of anterior teeth in the rehabilitation of patients with increased abrasion. Material and methods: The experimental group involved patients (men and women) aged 20 t

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Collados, Javier, Carlos Garcia, and Carlos A. Rice. "Dental Pathology of the Iberian Lynx (Lynx pardinus), Part I: Congenital, Developmental, and Traumatic Abnormalities." Journal of Veterinary Dentistry 35, no. 3 (August 31, 2018): 195–208. http://dx.doi.org/10.1177/0898756418793578.

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The Iberian lynx is an endangered felid that has been subject to an intensive ongoing conservation program in an attempt to save it from extinction. Identification of dental pathologies could play an important role in the survival of this endangered species. The objective of this study is to evaluate the dental pathologies (congenital, developmental, and traumatic abnormalities) of this species of felid. Skulls of 88 adult specimens of the Iberian lynx ( Lynx pardinus) from the Doñana Biological Station [Estación Biológica de Doñana-Consejo Superior de Investigaciones Científicas] (EBD-CSIC),

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Oginni, Adeleke O., Cornelius T. Bamise, and Adeyemi O. Olusile. "An Analysis of the Etiological and Predisposing Factors Related to Dentin Hypersensitivity." Journal of Contemporary Dental Practice 9, no. 5 (2008): 52–59. http://dx.doi.org/10.5005/jcdp-9-5-52.

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Abstract Aim To determine the prevalence of different etiological factors of dentin hypersensitivity in patients and to provide information on their association with dentin hypersensitivity. Methods and Materials Twenty-nine patients (17 male, 12 female) suffering from pain of dentin hypersensitivity were recruited to participate in the study. A relevant history was taken and dentin hypersensitivity confirmed by using air-blast and tactile stimuli. Results All patients were right-handed. The left side of the mouth showed a preponderance of gingival recession, abrasion, abfraction, and erosion

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Ranjan, Manish. "Association of age and gender of patients undergoing class V tooth coloured restoration in maxillary teeth." Bioinformation 16, no. 12 (December 31, 2020): 1121–27. http://dx.doi.org/10.6026/973206300161121.

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It is of interest to assess the association of age and gender of patients undergoing class V tooth colored restoration in maxillary teeth. Records were collected by reviewing the data of 86,000 patients of which 1580 patients had undergone class V tooth colored restoration in maxillary teeth. Patients were divided into age groups 18-30, 31-40,41-50,71-80 years. The most common age group who had undergone class V restoration was in the age group 41-50 years (30.8%). Cervical abrasions were the most common (79%). Most of the patients underwent direct restoration (87.7%). Direct restoration was f

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Ranjan, Manish. "Association of age and gender of patients undergoing class V tooth coloured restoration in maxillary teeth." Bioinformation 16, no. 12 (December 31, 2020): 1121–27. http://dx.doi.org/10.6026/973206300161121.

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It is of interest to assess the association of age and gender of patients undergoing class V tooth colored restoration in maxillary teeth. Records were collected by reviewing the data of 86,000 patients of which 1580 patients had undergone class V tooth colored restoration in maxillary teeth. Patients were divided into age groups 18-30, 31-40,41-50,71-80 years. The most common age group who had undergone class V restoration was in the age group 41-50 years (30.8%). Cervical abrasions were the most common (79%). Most of the patients underwent direct restoration (87.7%). Direct restoration was f

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Koval, Yu P., V. M. Dvornyk, L. B. Yerys, and Ya V. Koval. "ANALYSIS OF MODERN ETIOLOGICAL FACTORS OF PATHOLOGICAL ABRASION DEVELOPMENT OF HARD TISSUES OF TEETH (ACCORDING TO LITERATURE SOURCES)." Ukrainian Dental Almanac, no. 3 (September 23, 2020): 29–33. http://dx.doi.org/10.31718/2409-0255.3.2020.05.

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Relevance. Tooth abrasion is an inevitable consequence of their evolutionarily determined purpose of acquiring food through predation, detention, capture, grinding, chewing and swallowing. The mechanism of odontogenesis, according to which the amelogenesis of enamel ends with the death of ameloblasts before eruption, makes it impossible to recover enamel after damaging. Accordingly, any damage of any source is reflected on the hardest and oldest remains of creatures with teeth forever. Thus, tooth abrasion has a multifactorial origin and is based on diet and eating habits, oral hygiene, bruxis

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Pavlenko, Svetlana A., Elena V. Pavlenkova, Iryna M. Tkachenko, Alla I. Sidorova, Yaroslav Y. Vodoriz, and Andriy V. Samoylenko. "CHANGES IN THE FUNCTIONAL CONDITION OF THE MASTICATORY MUSCLES WITH INCREASED TEETH ABRASION." Wiadomości Lekarskie 72, no. 5 (2019): 1002–6. http://dx.doi.org/10.36740/wlek201905209.

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Introduction: The term “pathological abrasion” (increased abrasion) can be described as a loss of tooth hard tissue on the occlusal, oral, vestibular surfaces of teeth or in the occlusal area. Treatment of increased abrasion of teeth is a difficult task for the practical work of a dentist. The choice of the optimal treatment plan provides the greatest likelihood of long-term success and minimal probability of complication appearance. The aim of our work was to study the functional activity of the masticatory muscles in the pathogenesis of the development of increased abrasion of tooth hard tis

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I. M. Tkachenko. "The use of a removable tray-bus for orthopedic treatment of increased abrasion of teeth complicated by the phenomena of bruxism." Bukovinian Medical Herald 17, no. 1 (65) (February 2, 2013): 129–32. http://dx.doi.org/10.24061/2413-0737.xvii.1.65.2013.32.

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The results of a study of occlusal contacts with increased abrasion of the hard dental tissues are presented in the paper. A new technique for determining supercontacts with an elevated abrasion of the teeth with the symptoms of bruxism is described. A study of high contact points will, enable in the future, to conduct therapeutic and preventive measures in order to normalize occlusal relations, when treating and preventing enhanced abrasion.

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Stepanov, D. A., V. S. Leibenko, E. A. Stepanov, E. A. Koretskaya, and L. A. Zyulkina. "Changes in the dentition with increased tooth abrasion." Stomatology for All / International Dental review, no. 2020 3 (92) (September 2020): 30–34. http://dx.doi.org/10.35556/idr-2020-3(92)30-34.

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In the article the analysis of the changes in the dentoalveolar system occurring with increased abrasion of the teeth is carried out, the features of these changes and the compensatory capabilities of the dentoalveolar system with pathological abrasion are considered. It was concluded that the observed rearrangements on the part of many structures of the maxillofacial region (jaw bones, temporomandibular joint, teeth, muscles) should be established during diagnosis and treatment should be planned taking into account the morphological and functional changes that have arisen on the part of all e

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Leite, Fábio Renato Manzolli, Ticiana Sidorenko de Oliveira Capote, and Angela Cristina Cilense Zuanon. "Application of the total etching technique or self-etching primers on primary teeth after air abrasion." Brazilian Oral Research 19, no. 3 (September 2005): 198–202. http://dx.doi.org/10.1590/s1806-83242005000300008.

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Since the use of air abrasion has grown in pediatric dentistry, the aim of this study was to evaluate, by means of shear bond strength testing, the need to use the total etching technique or self-etching primers on dentin of primary teeth after air abrasion. Twenty-five exfoliated primary molars had their occlusal dentin exposed by trimming and polishing. Specimens were treated by: Air abrasion + Scotchbond MultiPurpose adhesive (G1); 37% phosphoric acid + Scotchbond MP adhesive (G2); Clearfil SE (G3); Air abrasion + 37% phosphoric acid + Scotchbond MP adhesive (G4); Air abrasion + Clearfil SE

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Milosevic, Alex. "Abrasion: A Common Dental Problem Revisited." Primary Dental Journal 6, no. 1 (March 2017): 32–36. http://dx.doi.org/10.1177/205016841700600104.

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Dental abrasion is most commonly seen at the cervical necks of teeth, but can occur in any area, even inter-dentally from vigorous and incorrect use of dental floss. Acid erosion has been implicated in the initiation and progress of the cervical lesion, while tooth-brush abrasion has long been held as the prime cause of cervical abrasion. Identification of the risk factors is clearly important in order to modify any habits and provide appropriate advice.

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Anja, Baraba, Dukić Walter, Chieffi Nicoletta, Ferrari Marco, Sonja Pezelj Ribarić, and Miletić Ivana. "Influence of Air Abrasion and Sonic Technique on Microtensile Bond Strength of One-Step Self-Etch Adhesive on Human Dentin." Scientific World Journal 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/368745.

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The purpose of thisin vitrostudy was to evaluate the microtensile bond strength of one-step self-etch adhesive to human dentin surface modified with air abrasion and sonic technique and to assess the morphological characteristics of the pretreated dentin surface. The occlusal enamel was removed to obtain a flat dentin surface for thirty-six human molar teeth. The teeth were randomly divided into three experimental groups (n= 12 per group), according to the pretreatment of the dentin: (1) control group, (2) air abrasion group, and (3) sonic preparation group. Microtensile bond strength test was

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De Sena, Francisica Fatima, and Santana Martins. "The Tradition of Brushing Teeth with Betel Nut Peel with Abrasion Incidents in the Salele Community Tilomar Timor Leste Country." Jurnal Kesehatan Gigi 9, no. 2 (December 30, 2022): 91–94. http://dx.doi.org/10.31983/jkg.v9i2.8824.

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ABSTRACTSalele Timor Leste people have long known betel leaf, betel nut, and lime as ingredients for betel or toothbrush. The behavior of brushing teeth with betel nut peel is one way to take care of teeth which was believed by the ancestors. There are positive and negative effects on dental health. From a positive point of view, it inhibits the process of caries formation, while the negative effects of brushing teeth with betel nut peel on the teeth and gums can cause discoloration of the teeth (stain), periodontal disease on the oral mucosa, lesions on the oral mucosa, poor oral hygiene, atr

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HIYOSHI, Katsunori, Syouji MURAI, Ken HAYASHI, and Taichirou HIRAI. "Measurement of the abrasion of radioactive teeth by dentifrices." RADIOISOTOPES 39, no. 5 (1990): 222–25. http://dx.doi.org/10.3769/radioisotopes.39.5_222.

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Kawano, Fumiaki, Takafumi Ohguri, Kenji Oka, Tetsuo Ichikawa, Naoyuki Matsumoto, Kenji Hiranuma, Iwane Mizuno, and Akira Hasegawa. "Shock Absorbability of High-Abrasion-Resistance-Posterior Resin Teeth." Nihon Hotetsu Shika Gakkai Zasshi 44, no. 5 (2000): 675–82. http://dx.doi.org/10.2186/jjps.44.675.

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Kvaal, Sigrid I., and T. K. Derry. "Tell-tale teeth: abrasion from the traditional clay pipe." Endeavour 20, no. 1 (January 1996): 28–30. http://dx.doi.org/10.1016/0160-9327(96)10006-5.

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Bragaglia, Lauro Egídio, Luiz Henrique Maykot Prates, and Maria Cristina Marino Calvo. "The role of surface treatments on the bond between acrylic denture base and teeth." Brazilian Dental Journal 20, no. 2 (2009): 156–61. http://dx.doi.org/10.1590/s0103-64402009000200012.

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The aim of this study was to compare the bond strength between acrylic denture base and teeth subjected to 6 surface treatments. Ninety-six specimens were made with poly(methylmethacrylate) teeth bonded to a microwave-polymerized acrylic denture base material. The specimens were distributed into 6 groups (n=16) according to surface treatments: CT - no treatment (control); MN - methylmethacrylate monomer etching; AO - 50-µm-particle aluminum oxide air abrasion; BR - glaze removal with a round bur; ST - surface grinding with an aluminum oxide abrasive stone; group CV - cavity preparation (diator

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Oreshko, L. S., and G. Ch Alieva. "Celiac disease: non-carious lesions of the teeth." Experimental and Clinical Gastroenterology, no. 4 (July 21, 2021): 150–54. http://dx.doi.org/10.31146/1682-8658-ecg-188-4-150-154.

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The high prevalence of non-carious manifestations in patients with celiac disease is described by numerous authors, who are considered as a diagnostic key to atypical forms of celiac disease. The manifestations closely associated with celiac disease include: defects in tooth enamel, pathological tooth abrasion, as a violation of the mineralization of dental crowns, and morphofunctional defects in the hard tissues of the teeth.Materials and methods. We examined 45 patients aged 23 to 36 years with a diagnosis of celiac disease, established on the basis of the results of clinical anamnestic, gen

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Šporin, Jurij, Primož Mrvar, Blaž Janc, and Željko Vukelić. "Expression of the Self-Sharpening Mechanism of a Roller Cone Bit during Wear Due to the Influence of the Erosion Protection Carbide Coating." Coatings 11, no. 11 (October 28, 2021): 1308. http://dx.doi.org/10.3390/coatings11111308.

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Roller cone drill bits are used in drilling larger diameter wells. The drilling efficiency of the roller cone drill bit depends on the wear rate of the materials that forms bit teeth, which crushes the rock at the bottom of the well. To prevent excessive wear, research has largely focused on the study and determination of abrasion-resistant materials. In our work, we investigated the wear mechanism of a roller cone drill bit whose wear-resistant teeth are protected by a hard metal coating welded onto the teeth. The difference between material properties of erosion-protective carbide coating an

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Sayed, Mohammed E., Honey Lunkad, Ibrahim Fageeh, Mahdi Jaafari, Ali Tawhari, Turki Muaidi, Mesfer Ibrahim Alshehri, Ankur Jethlia, and Saurabh Jain. "Comparative Evaluation of Compressive Bond Strength between Acrylic Denture Base and Teeth with Various Combinations of Mechanical and Chemical Treatments." Coatings 11, no. 12 (December 11, 2021): 1527. http://dx.doi.org/10.3390/coatings11121527.

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Debonding and detachment of artificial teeth from the denture base is frequently encountered in prosthodontic practice. This study aims to assess the effect of modifications in the ridge-lap surface of denture teeth with various combinations of mechanical and chemical surface treatments with hydrofluoric acid on bond strength with the acrylic denture base resin and to identify the failure modes (adhesive, cohesive, or mixed). Seventy acrylic resin teeth samples were randomly divided into seven groups (n = 10): a control group (unmodified) and six treatment groups, in which various combinations

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RYNIEWICZ, Wojciech, Mariola HERMAN, Anna M. RYNIEWICZ, Łukasz BOJKO, Paweł PAŁKA, Andrzej RYNIEWICZ, and Tomasz MADEJ. "TRIBOLOGICAL TESTS OF THE NANOMATERIALS USED TO RECONSTRUCT MOLARS AND PREMOLARS WITH THE APPLICATION OF THE DIRECT METHOD." Tribologia 273, no. 3 (June 30, 2017): 155–64. http://dx.doi.org/10.5604/01.3001.0010.6253.

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Physiological abrasion of teeth is a process of gradual loss of the hard tissue of opposite teeth resulting from age-related natural dental wear. In abrasion, the cusps and their slopes in the jaw and the mandible become flattened due to the mechanical load applied. The aim of this paper is to carry out a tribological and microstructural evaluation of modern composite materials used to reconstruct the teeth in the lateral part of the dental arch. Five light-cured composite materials were selected for tests. The tests involved the coefficient of friction and resistance to wear in a sliding cont

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Fischer, Valentin L., Daniela E. Winkler, Robert Głogowski, Thomas Attin, Jean-Michel Hatt, Marcus Clauss, and Florian Wegehaupt. "Species-specific enamel differences in hardness and abrasion resistance between the permanent incisors of cattle (Bos primigenius taurus) and the ever-growing incisors of nutria (Myocastor coypus)." PLOS ONE 17, no. 3 (March 17, 2022): e0265237. http://dx.doi.org/10.1371/journal.pone.0265237.

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Hypselodont (ever-growing) teeth of lagomorphs or rodents have higher wear rates (of a magnitude of mm/week), with compensating growth rates, compared to the non-ever-growing teeth of ungulates (with a magnitude of mm/year). Whether this is due to a fundamental difference in enamel hardness has not been investigated so far. We prepared enamel samples (n = 120 per species) from incisors of cattle (Bos primigenius taurus) and nutria (Myocastor coypus, hypselodont incisors) taken at slaughterhouses, and submitted them to indentation hardness testing. Subsequently, samples were split into 4 groups

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Pan, Yong Tai, and Yong Zhi Li. "Experimental Study on Improving Abrasion Resistance of Sizing Crusher Tooth." Advanced Materials Research 150-151 (October 2010): 1311–14. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.1311.

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The shorter service life of sizing crusher tooth is a difficult technology problem. At present the coal classification used in crushing machine, due to poor working conditions, despite the use of wear resistant surfacing electrode to improve the wear resistance of broken teeth, broken teeth, but not to the average life of six months, the subject of study was significantly improve the life of the crusher tooth. To improve the service life of sizing crusher tooth, some research has been done, through system analysis and test some result can be concluded.

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Amarlal, Deepti, R. Rayen, and M. Muthu. "Macroabrasion in Pediatric Dentistry." Journal of Clinical Pediatric Dentistry 31, no. 1 (September 1, 2007): 9–13. http://dx.doi.org/10.17796/jcpd.31.1.k106m4hu02318382.

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One of the most frequent reasons for seeking dental care is discolored anterior teeth. Macroabrasion is a technique used for the removal of localized superficial white spots and other surface stains. This article has compiled three case reports with relevant clinical photographs of discolored teeth where the treatment regimen included macroabrasion alone as well as macro-abrasion in combination with anterior composite restorations.

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Sengun, Abdulkadir, Hasan Orucoglu, Ilknur Ipekdal, and Fusun Ozer. "Adhesion of Two Bonding Systems to Air-Abraded or Bur-Abraded Human Enamel Surfaces." European Journal of Dentistry 02, no. 03 (July 2008): 167–75. http://dx.doi.org/10.1055/s-0039-1697374.

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ABSTRACTObjectives: The purpose of this in vitro study was to evaluate whether mechanical alteration of the enamel surfaces with air abrasion and bur abrasion techniques could enhance the bonding performance of a three step and a self etching adhesive resin systems to enamel.Methods: 126 extracted lower human incisor teeth were used. The teeth were divided into three groups including 40 teeth each. First group; teeth were used as control and no preparation was made on enamel surfaces, 2nd group; outer enamel surfaces were air abraded, 3rd group; outer enamel surfaces were abraded mechanically

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Мандра, Ю., Y. Mandra, А. Легких, A. Legkih, Д. Киселева, and D. Kiseleva. "Morfology, microstructure, microrelief, qualitative and quantitative composition of the teeth surface with early attrition." Actual problems in dentistry 12, no. 2 (July 26, 2016): 30–35. http://dx.doi.org/10.18481/2077-7566-2016-12-2-30-35.

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<p class="p1"><span class="s1">Research by means of Raman spectrometry 30 teeth samples with pathological elements: early teeth attrition within the enamel, caries within the enamel, the intact enamel (control) was made. For caries average ratio of mineral/organic matrix is 0.31, and for fabrics with high abrasion – 0.64. With the development of caries decreased mineral content of the components (reduced phosphate line) and there are broad line of organic compounds, as well as increased uorescent background. All the investigated samples consist mainly of carbonate-apatite substitut

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Magera, N. S. "CLINICAL EVALUATION OF THE DENTOALVEOLAR SYSTEM IN EXCESSIVE TOOTH ABRASION AND TEMPOROMANDIBULAR DISORDERS." Ukrainian Dental Almanac, no. 2 (June 19, 2019): 38–43. http://dx.doi.org/10.31718/2409-0255.2.2019.08.

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Abstract (sommario):

The purpose of the study was to determine the features of the state of the dentoalveolar system in patients with excessive abrasion of teeth with and without temporomandibular disorders (TMDs) in a comparative aspect. The study group included 68 patients, 31 (45.6%) of which were males and 37 (54.4%) females, aged from 21 to 70. Patients are divided into two groups: the control group and the study group. The control group included 31 patients who were diagnosed with excessive tooth abrasion alone in combination with possible other occlusal disorders. The study group included 37 pat

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Ctvrtlik, Radim, and Jan Tomastik. "Wear Behavior of Hard Dental Tissues and Restorative Materials." Applied Mechanics and Materials 486 (December 2013): 72–77. http://dx.doi.org/10.4028/www.scientific.net/amm.486.72.

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Abstract (sommario):

Human teeth are exposed to various chemical and mechanical factors. From mechanical point of view it includes attrition, abrasion or their combination. Teeth and dental restorative materials are subjected to normal and shear loads. Therefore the contact-based stresses during mastication and teeth wear are of considerable importance. In order to study wear behavior of enamel, dentine and two dental restorative composite materials scratch test at various contact conditions was employed. Hardness and elastic modulus were measured using nanoindentation with spherical and pyramidal indenters. Resid

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Eras, Juan Jose Cabello, Jorge Mario Mendoza Fandiño, Alexis Sagastume Gutierrez, Mario Javier Cabello Ulload, and Luis Marcos Castellanos Gonzalez. "CAUSAL ANALYSIS AND SOLUTION OF THE FAILURE OF SPROCKET DRIVERS IN A CLINKER SCRAPER CONVEYOR." Journal of Southwest Jiaotong University 57, no. 4 (August 29, 2022): 326–37. http://dx.doi.org/10.35741/issn.0258-2724.57.4.29.

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This study discusses the causal analysis and solution of the teeth failure in sprocket drivers in a clinker scraper conveyor of a cement plant. The failure consisted of the progressive surfacing shape loss of the teeth, progressively deteriorated to the operating conditions of the system, causing dynamic loads, which affected the mechanical transmission and the conveyor general performance. The assessment includes an analysis of the sprocket material and calculations of the stress fields in the teeth surface. The results show the failure is the result of using a sprocket material with high-abr

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40

Fumes, Ana Caroline, Daniele Lucca Longo, Andiara De Rossi, Tatiana Kelly da Silva Fidalgo, Francisco Wanderley Garcia de Paula e Silva, Maria Cristina Borsatto, and Erika Calvano Küchler. "Microleakage of Sealants after Phosphoric Acid, Er: YAG Laser and Air Abrasion Enamel Conditioning: Systematic Review and Meta-Analysis." Journal of Clinical Pediatric Dentistry 41, no. 3 (January 1, 2017): 167–72. http://dx.doi.org/10.17796/1053-4628-41.3.167.

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Abstract (sommario):

Purpose: The aim of this systematic review and meta-analysis is to answer the focused question: Does the application of phosphoric acid, Er:YAG laser and air abrasion enamel conditioning methods previous to the oclusal sealant application in human permanent molars influence the microleakage? Study design: A literature research was carried out in the Pubmed Medline, Web of Science, Scopus and Cochrane databases using with the MeSH terms and keyword search strategy. A supplemental hand search of the references of retrieved articles was also performed. Inclusion criteria comprised ex vivo studies

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Duruk, Gülsüm, Esra Kizilci, and Meral Arslan Malkoç. "Effectiveness of Different Methods in Removing Dentin Caries of Primary Teeth: Micro-CT and SEM Evaluation." Journal of Clinical Pediatric Dentistry 46, no. 3 (May 1, 2022): 211–18. http://dx.doi.org/10.17796/1053-4625-46.3.7.

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Abstract (sommario):

Objectives: With the recent improvements in technology, the expectation of minimal invasion and maximal comfort in caries removal techniques is increasing. This study aims to examine the effectiveness of six caries removal methods in primary teeth. Study design: Sixty primary molars (10 teeth in each groups) were used. The groups were: Group I (Tungsten Carbide Bur), Group II (Sono abrasion), Group III (Air abrasion), Group IV (Carisolv), Group V (Er:YAG Laser), Group VI (ART). In micro-CT scanning, mineral density at the cavity floor was examined before and after caries removal. After caries

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42

Lima Pedro, Rafael De, Livia Azeredo Alves Antunes, Áurea Simone Barrôso Vieira, and Lucianne Comple Maia. "Analysis of Primary and Permanent Molars Prepared with High Speed and Ultrasonic Abrasion Systems." Journal of Clinical Pediatric Dentistry 32, no. 1 (September 1, 2007): 49–52. http://dx.doi.org/10.17796/jcpd.32.1.a57600rm6vrx3174.

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Abstract (sommario):

The aim of this study was to compare high speed and ultrasonic systems with regard to both topography and smear layer formation in the cavity preparations of sound primary and permanent molars. Class I occlusal cavities measuring 2.00 x 2.00 x 2.00 mm were performed in 14 molars, equally divided into two groups (GI= 7 primary teeth and GII = 7 permanent teeth). High speed rotary instruments produced regular layers of enamel and dentin, despite the marked presence of grooves and microfractures on enamel surfaces. On the other hand, ultrasonic abrasion yielded more irregular surfaces in enamel a

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43

Mitic, Nadica, Aleksandar Mitic, Vladimir Mitic, Vesna Crnoglavac, Dejana Vlak, and Marija Nikolic. "Tooth pathology analysis of osteological material from the medieval locality of Saint Pantelejmon church in Nis." Srpski arhiv za celokupno lekarstvo 136, no. 7-8 (2008): 354–60. http://dx.doi.org/10.2298/sarh0808354m.

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Abstract (sommario):

INTRODUCTION Medieval necropolis at the porch of St. Panteleimon church in Nis, from 12th century represents a typical Serbian necropolis, which has its analogies in several areas in Serbia. Preservation of the skeletal remains belongs to category of good and medium preservation. OBJECTIVE The aim of the work was to study the skeletal remains for the prevalence of tooth caries, localization of caries lesions, presence of abrasion, supragingival tartar and resorption of alveolar bone as the indicator of periodontal disease. METHOD The analyses included 42 skeletal remains. The anthropological a

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44

Messer-Hannemann, Philipp, Mariam Samadi, Henrik Böttcher, Sebastian Duy, Daniela Duy, Niclas Albrecht, Falk Schwendicke, and Susanne Effenberger. "Evaluation of a Method to Determine Wear Resistance of Class I Tooth Restorations during Cyclic Loading." Materials 15, no. 15 (August 8, 2022): 5440. http://dx.doi.org/10.3390/ma15155440.

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Abstract (sommario):

The aim of this study was the development of a test regime to determine the wear resistance and predict the clinical performance of conventional glass ionomer cement (GIC) restorations in Class I tooth cavities. Cavities were prepared in excised human teeth and restored using three conventional glass ionomer restorative materials: DeltaFil, Fuji IX GP and Ketac Universal. The restored teeth were mechanically and thermally stressed using a chewing simulator with a maximum number of 1,200,000 load cycles. Besides determining the number of cycles achieved, the abrasion volume after termination of

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45

Tuszyński, Waldemar, Remigiusz Michalczewski, Edyta Osuch-Słomka, Andrzej Snarski-Adamski, Marek Kalbarczyk, Andrzej N. Wieczorek, and Jakub Nędza. "Abrasive Wear, Scuffing and Rolling Contact Fatigue of DLC-Coated 18CrNiMo7-6 Steel Lubricated by a Pure and Contaminated Gear Oil." Materials 14, no. 22 (November 22, 2021): 7086. http://dx.doi.org/10.3390/ma14227086.

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Due to extreme working conditions of mining conveyors, which contaminate gear oil with solid particles, their transmissions are exposed to intensive abrasion, scuffing, and even rolling contact fatigue (pitting). These effects shorten gear life. To prevent their occurrence, a wear-resistant coating can be deposited on gear teeth. The resistance to abrasive wear, scuffing, and pitting was investigated and reported in the article. Simple, model specimens were used. Abrasive wear and scuffing were tested using a pin-and-vee-block tribosystem in sliding contact. A cone–three-ball rolling tribosyst

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46

Deshpande, Neeraj, Naveen S. Yadav, Vrinda Saxena, Raghavendra Reddy, and Suresh Kumar Kovvuru. "Alliance of Oral Hygiene Practices and Abrasion among Urban and Rural Residents of Central India." Journal of Contemporary Dental Practice 13, no. 1 (2012): 55–60. http://dx.doi.org/10.5005/jp-journals-10024-1095.

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Abstract (sommario):

ABSTRACT Objectives To attain alliance between the oral hygiene practices with prevalence of tooth abrasion among urban and rural adult population of Central India. To plan dental care services in inaccessible areas and to suggest appropriate remedial measures to prevent this avertable and self-inflicted injury of teeth in this cross-sectional study. Materials and methods A sum of 1045 adult residents both from Urban (529) and rural (516) parts of Bhopal district (Central India) was selected on a random basis. The multistage sampling technique was adopted to ascertain the sample size. In urban

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47

Borjian, Amirfirooz, Claudia C. F. Ferrari, Antoni Anouf, and Louis Z. G. Touyz. "Pop-Cola Acids and Tooth Erosion: AnIn Vitro,In Vivo, Electron-Microscopic, and Clinical Report." International Journal of Dentistry 2010 (2010): 1–12. http://dx.doi.org/10.1155/2010/957842.

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Introduction. Manufactured Colas are consumed universally as soft drinks. Evidence about the acid contents of Cola-beverages and its effects on teeth is rare.Aim. To assess (i) cola acidity and buffering capacityin vitro, (ii) tooth erosion after swishing with colasin vivo(iii) scanning electronmicroscopic effectson teeth of colas, and tooth-brush abrasion, and (iv) report aclinical caseof erosion from cola consumption.Materials and Methods. (i) We measured six commercially available pop “Cola beverages”, pH, and buffering capacities using a pH-Mettler Automatic Titrator, with weak solution of

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Аль-Cаггаф, Сами Абдулрахман Хусейн, Sami Abdulrahman Hussein Al-Caggaf, Ф. Маннанова, F. Mannanova, Г. Алсынбаев, G. Alsynbaev, М. Галиуллина, et al. "ORTHODONTIC PREPARATION BEFORE PROSTHESIS IN GENERALIZED HIGH TEETH ABRASION DECOMPENSATED FORM." Actual problems in dentistry 9, no. 4 (August 25, 2013): 42–47. http://dx.doi.org/10.18481/2077-7566-2013-0-4-42-47.

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Abstract (sommario):

<p>Generalized increased abrasion decompensated forms are often accompanied by severe morphofunctional impairments that require careful diagnosis and preparation of dental system before its final restoration. The authors suggest anthropometric observations for diagnostic aims to clarify the the mandible position, also machines for the normalization of the position of the lower jaw, and adaptation of the masticatory muscles with orthodontic techniques in the stage of preparation for prosthetics.</p>

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Erasmuson, A. F. "Abrasion of ovine teeth from high-wear and low-wear farms." New Zealand Journal of Agricultural Research 28, no. 2 (April 1985): 225–31. http://dx.doi.org/10.1080/00288233.1985.10420932.

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50

Nixon, Peter J., Stephen Robinson, Matthew Gahan, and Martin FW-Y. Chan. "Conservative Aesthetic Techniques for Discoloured Teeth: 2. Micro-abrasion and Composite." Dental Update 34, no. 3 (April 2, 2007): 160–66. http://dx.doi.org/10.12968/denu.2007.34.3.160.

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