European Oral Research最新文献

{"title":"Effects of surface coating on the flexural strength of fluoridereleasing restorative materials after water aging for one year.","authors":"Muhittin Ugurlu","doi":"10.26650/eor.20200042","DOIUrl":"https://doi.org/10.26650/eor.20200042","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the effects of surface coating and one-year water storage on the flexural strength of fluoride-releasing restorative materials.</p><p><strong>Materials and methods: </strong>Forty specimens were prepared from each material; GCP Glass Fill (GCP), Amalgomer CR (AHL), Zirconomer (Shofu), Fuji IX GP Capsule (GC), Beautifil II (Shofu), Estelite Σ Quick (Tokuyama) and reliaFIL LC (AHL). The specimens were randomly divided into two groups; surface coated with G-Coat Plus (GC) and uncoated. Each group was subdivided into two groups stored in distilled water at 37◦C for 24 h and 1 year before testing (n=10). The flexural strength was evaluated using three-point bending test according to the ISO 4049:2009 standard using a universal testing machine. After flexural strength test, a cross-section of the coated specimens was evaluated with scanning electron microscopy (SEM).</p><p><strong>Results: </strong>A significant increase was observed on the flexural strength of Amalgomer CR, Zirconomer and Fuji IX GP after 24 h when G-Coat Plus was applied (p<0.05). This significant increase was observed on the flexural strength of only Amalgomer CR and Zirconomer after 1 year (p<0.05). The highest flexural strength was obtained with Beautifil II, Estelite Σ Quick and reliaFIL LC after 24 h and 1 year (p<0.05). After 1 year, there was decrease on the flexural strength of the other materials except Beautifil II, Estelite Σ Quick and reliaFIL LC.</p><p><strong>Conclusion: </strong>The resin coating improved the flexural strength of some glass ionomer-based materials but the water aging decreased the same physical properties.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 2","pages":"62-68"},"PeriodicalIF":1.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/58/9b/eor-054-062.PMC7787517.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38776950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bolton's analysis using a photogrammetric method on occlusal photographs.","authors":"Ashwin Prakash,&nbsp;Prasad Chitra","doi":"10.26650/eor.20200005","DOIUrl":"https://doi.org/10.26650/eor.20200005","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of the study is to present a photogrammetric technique using standardized occlusal photographs to perform Bolton's analysis and assess reliability of this new method with plaster study casts.</p><p><strong>Materials and methods: </strong>The study was conducted on 16 subjects (8 males, 8 females), aged 18-25 years. Standardized occlusal photographs and plaster study casts were obtained. The occlusal photographs were calibrated in Nemoceph® software. Mesio-distal dimensions of all teeth up to first molars were calculated and Bolton's analysis was performed. Similarly, a digital calliper with 0.1 mm sensitivity was used to measure mesio-distal dimensions of all teeth on plaster study casts to perform Bolton's analysis. 28 parameters were measured on study models and corresponding occlusal photographs. Paired t test and intraclass correlation tests were carried out to test validity and reliability of the photogrammetric method. An intraclass correlation test was calculated for 4 derived parameters to test reliability of Bolton's analysis measurements obtained from occlusal photographs as compared to study models.</p><p><strong>Results: </strong>All 28 parameters showed a statistically significant and excellent correlation (r>.80) in the Intra Class Correlation test. 4 variables used to calculate Bolton's analysis showed statistically significant correlation (r>.96) in the intraclass correlation test.</p><p><strong>Conclusion: </strong>Photogrammetry is a reliable tool to measure mesio-distal tooth size. Bolton's analysis from standardized occlusal photographs using the described photogrammetric technique can be used as an effective clinical tool.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 2","pages":"55-61"},"PeriodicalIF":1.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/0b/18/eor-054-055.PMC7787516.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38776949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The dilemma of COVID-19 in dental practice concerning the role of saliva in transmission: a brief review of current evidence.","authors":"Shahram Hamedani, Nima Farshidfar, Ava Ziaei, Hamidreza Pakravan","doi":"10.26650/eor.20200050","DOIUrl":"10.26650/eor.20200050","url":null,"abstract":"<p><p>From December 12, 2019, a pandemic of acute respiratory syndrome, the novel human coronavirus disease (COVID-19), caused by a novel β-coronavirus (2019- nCoV) began to grow globally by person-to-person transmission. The production of airborne material during aerosol generating dental procedures would expose dental team and patients to remarkable risk of transmission concerning the faceto- face communication and splattered saliva, blood, and other body fluids. Dental professionals can be a substantial help in preventing the transmission of COVID-19. This study has reviewed relevant current evidences in literature that has addressed the role of saliva and the threats that may be inherent in transmission of the disease during dental procedures. The study also offers feasible proactive and preventive measures for dental practice during the outbreak to block possible person-toperson or indirect transmission in dental settings.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 2","pages":"92-100"},"PeriodicalIF":1.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/99/56/eor-054-092.PMC7787515.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38842334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Knowledge, attitude and practice of dentists in Coronavirus disease 2019 pandemic in Turkey.","authors":"Berkay Tokuc, Fatih Mehmet Coskunses","doi":"10.26650/eor.20200049","DOIUrl":"10.26650/eor.20200049","url":null,"abstract":"<p><strong>Purpose: </strong>The aim was to assess the knowledge, attitudes and anxiety of the dentists in relation to COVID-19.</p><p><strong>Materials and methods: </strong>This cross-sectional survey was conducted amongst 590 dentists employed in Turkey from March to April 2020. The electronic survey consisted of 22 questions related to demographic profile, knowledge, clinical practice and anxiety level of the participants towards dental management of COVID-19. The survey was sent to participants by email and mobile phone messages to be filled electronically.</p><p><strong>Results: </strong>Majority of respondents pointed to aerosol (98.5%), saliva (90.6%) and mucosal contact (71.4%) as the transmission routes of COVID-19. Amongst all clinical symptoms of the disease questioned, fever (99.8%), dry cough (99.1%), fatigue (90.0%) were associated with COVID-19 by vast majority of population. 96.4% of respondents agreed the usage of gloves as personal protective equipment and it was followed by face shield (88.1%), disposable gown (83.4%), protective goggles (73.9%). Increased usage of FFP2/N95 (33.9%) and FFP3/N99 (10.9%) respirators, contrary to reduction of surgical mask usage (50.7%), were observed in aerosolgenerating procedures comparing to dental procedures without producing aerosol and these differences were highly significant (p<0.001, p=0.004, p<0.001). The mean anxiety level of respondents was 3.35 ± 1.18 (ranging from 0 to 5).</p><p><strong>Conclusion: </strong>These results demonstrated an adequate knowledge, especially in clinical symptoms of COVID-19 amongst dentists. However, the respirator usage rate in aerosol-generating procedures was not satisfactory which suggesting to necessity of dentists' education about pandemic.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 2","pages":"86-91"},"PeriodicalIF":1.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/20/57/eor-054-086.PMC7787513.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38842333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of a new skin colour measurement method for the investigation of relationship between skin and tooth colour.","authors":"Nurullah Turker,&nbsp;Ulviye Sebnem Buyukkaplan,&nbsp;Isin Kurkcuoglu,&nbsp;Burak Yilmaz","doi":"10.26650/eor.20200090","DOIUrl":"https://doi.org/10.26650/eor.20200090","url":null,"abstract":"<p><strong>Purpose: </strong>There is conflicting information about the relationship between tooth color and skin color in the literature. The aim of the present study was evaluation of the correlation between L, a, b values of skin and tooth shade using a new skin color measurement method.</p><p><strong>Materials and methods: </strong>CIELab values of teeth were obtained through measurements from the middle third of the labial surfaces on central incisors of individuals using a clinical spectrophotometer. CIELab values of the skin were measured through facial images using a software which was manufactured for present study. A statistical analysis program (SAS 9.4) was used for the analysis of the data. Kolmogorov-Smirnow test, t-test, and multivariate regression analysis were used to evaluate the data (α=0.05).</p><p><strong>Results: </strong>Correlations between variables revealed that while the lowest and statistically insignificant correlations were observed with a* values of the skin, significant correlations did not exceed moderate level (p < .05). When considering regression analysis results, b* values of the skin had a statistically significant effect in describing b* values of the tooth, while L* and a* values of the skin were observed to be insufficient in describing L* and a* values of the teeth.</p><p><strong>Conclusion: </strong>Results of this study suggest that different significant correlations were observed between the skin and tooth color for different L*, a*, and b parameters (p <0.05 and p <0.01). The results indicated that skin color can be used for tooth color selection in case of loss of natural teeth or when discoloration is present on existing teeth.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 2","pages":"81-85"},"PeriodicalIF":1.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/22/ad/eor-054-081.PMC7787519.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38776953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of exposure to phosphoric and polyacrylic acids on selected microscopic and physical/chemical properties of calcium hydroxide cements.","authors":"Isabela Dantas Torres Araújo,&nbsp;Renato Barbosa Soares,&nbsp;Camila Pessoa Lopes,&nbsp;Isana Álvares Ferreira,&nbsp;Boniek Castillo Dutra Borges","doi":"10.26650/eor.20200057","DOIUrl":"https://doi.org/10.26650/eor.20200057","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate if the contact of calcium hydroxide cements with polyacrylic and phosphoric acids would alter selected microscopic and physical and chemical properties.</p><p><strong>Materials and methods: </strong>Chemically activated (Hydro C and Dycal Advanced Formula II) and resin-modified photoactivated (Ultra-blend Plus) calcium hydroxide cements were examined after exposure to the following different strategies: contact with no substance (control group); rinsing with water and drying; contact with polyacrylic acid, rinsing with water, and drying; and contact with phosphoric acid, rinsing with water, and drying. Surface morphology, determined by scanning electron microscopy (SEM), water sorption and solubility, and the release of hydroxyl ions were evaluated.</p><p><strong>Results: </strong>SEM showed a greater impact of the conditioning acids on the surface of the chemically activated cements. Ultra-blend Plus obtained the highest value of sorption (516.8 μg/mm3) and solubility (381.1 μg/mm3) and Hydro C had the lowest values 251.9 μg/mm3 and 206.3 μg/mm3 respectively. Considering the release of hydroxyl ions in comparison with time, Hydro C and Ultra-blend Plus presented significant statistical difference for polyacrylic and phosphoric acid subgroups.</p><p><strong>Conclusion: </strong>Hydro C and Dycal presented intensification of surface irregularities after contact with conditioning acids. The chemically activated materials suffered a decrease in sorption and solubility. The action of the conditioning acids promotes greater increase of the release of hydroxyl ions for Hydro C and Dycal.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 2","pages":"69-76"},"PeriodicalIF":1.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/57/de/eor-054-069.PMC7787514.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38776951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Managing emerging challenges of Coronavirus disease 2019 (COVID-19) in dentistry.","authors":"Gulsum Ak, Aysem Y Gunay, Ryan C Olley, Nazmiye Sen","doi":"10.26650/eor.20200056","DOIUrl":"10.26650/eor.20200056","url":null,"abstract":"<p><p>Dental centers have been referred to as a hub or reservoir for infection, where healthcare professionals and other staff, patients and the public together may potentially spread pathogenic microorganisms. This may occur via saliva, skin or indirectly through air, water, and contaminated surfaces or instruments. Everyone should therefore be considered as potential sources of infection. During a pandemic, limiting unnecessary care has been adopted as a clinical measure for some patient's, to reduce the risk of cross-infection in the short term. However, in order to enable continuation of necessary and qualified care, dental processes need to follow specific infection control strategies in order to prevent transmission of emerging pandemic risks following COVID-19. In this article, we develop a tool with practical recommendations to mitigate infection risks before, during and following pandemics to enable ongoing dental care provision in primary and secondary care based on national and global recommendations.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 2","pages":"101-107"},"PeriodicalIF":1.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/98/ee/eor-054-101.PMC7787520.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38842335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Horizontal continuous and apical stretching sutures does not reduce FGG shrinkage: a split-mouth randomized controlled clinical trial.","authors":"Amir Shammas,&nbsp;Hadi Ranjbar,&nbsp;Mohadeseh Arab Solghar,&nbsp;Najme Asghari,&nbsp;Mohammad Mohammadi","doi":"10.26650/eor.20200080","DOIUrl":"https://doi.org/10.26650/eor.20200080","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate whether horizontal continuous and apical stretching sutures could reduce FGG shrinkage.</p><p><strong>Materials and methods: </strong>In this randomized controlled clinical trial ten patients (20 sites, seven females and three males) ranging from 18 to 53 years (average 39 years) with insufficient keratinized and attached gingiva received FGG in two quadrants of mandible (splitmouth design). Horizontal continuous and apical stretching sutures were used in test sites in addition to common suturing techniques. Clinical parameters including probing depth (PD), the width of keratinized and attached gingiva (KG, AG), the horizontal and vertical dimension of the graft (HD, VD), and graft area (GA) were recorded at baseline and 1, 3, and six months after the operation.</p><p><strong>Results: </strong>PD did not differ significantly for six months. The average change of other parameters in test and control sites respectively was as follows: KG increased 5.5 mm and 5.1 mm, AG increased 5.3 mm and 5.1 mm, HD shrinkage was 21.6% and 15.8%, VD shrinkage was 33.7% and 33.2%, GA shrinkage was 47.3% and 43.3%. There were no significant differences between test and control sites in clinical parameters six months after surgery.</p><p><strong>Conclusion: </strong>Application of horizontal continuous and apical stretching sutures does not reduce FGG shrinkage.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 1","pages":"42-47"},"PeriodicalIF":1.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/4a/eb/eor-054-042.PMC7252528.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38027434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Contrast-to-noise ratios of different dental restorative materials: an in-vitro cone beam computed tomography study.","authors":"Seval Bayrak,&nbsp;Emine Sebnem Kursun Cakmak,&nbsp;Hakan Kamalak","doi":"10.26650/eor.20200079","DOIUrl":"https://doi.org/10.26650/eor.20200079","url":null,"abstract":"<p><strong>Purpose: </strong>In radiological views, strong beam hardening and streaking artifacts occur due to high-density structures and polyenergetic X-ray beams, and these lead to misdiagnosis. This study was performed in vitro to compare the contrast-to-noise ratio (CNR) of commonly used dental restorative materials by using Cone Beam Computed Tomography (CBCT) images with and without artifact reduction (AR) mode.</p><p><strong>Materials and methods: </strong>A total of 108 molar teeth were restored with nine different groups of restorative materials, with each group containing 12 teeth. Teeth were placed in a dry human mandible and scanned, one by one, via Planmeca 3D ProMax (Planmeca, Helsinki, Finland) with and without AR mode. Images were analyzed using ImageJ software (National Institutes of Health, Bethesda, MD) to calculate the CNR.</p><p><strong>Results: </strong>CNR was calculated to be the highest in compomer (Glassiosite) images without AR mode (mean: 3.36) and with AR mode (mean: 3.61). CNR was calculated to be the lowest in amalgam (Tytin) images without AR mode (mean: 0.21) and with AR mode (mean: 0.23). A significant difference was found between materials in terms of CNR measurements (p ≤ 0.05). CNR measurements were increased after the AR mode application (p ≤ 0.05).</p><p><strong>Conclusion: </strong>AR mode was effective in reducing artifacts arising from dental materials on CBCT images, so it is necessary to use AR mode for correct diagnoses.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 1","pages":"36-41"},"PeriodicalIF":1.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/0f/47/eor-054-036.PMC7252535.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38027433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effects of cavity disinfection on the nanoleakage of compomer restorations: an in vitro study.","authors":"Ipek Arslan,&nbsp;Ozgul Baygin,&nbsp;Tamer Tuzuner,&nbsp;Fatih Erdemir,&nbsp;Aykut Canakci,&nbsp;Fatih Mehmet Korkmaz","doi":"10.26650/eor.20200053","DOIUrl":"https://doi.org/10.26650/eor.20200053","url":null,"abstract":"<p><strong>Purpose: </strong>Cavity disinfection, in addition to routine caries removal methods, is recommended to eliminate the microorganisms. The aim of this study was to compare the effect of various systems Er,Cr:YSGG lasers, diode lasers and FotoSan and agents Corsodyl; Cervitec and Cervitec Plus and Fluor Protector-on the nanoleakage of compomer restorations when used for cavity disinfection.</p><p><strong>Materials and methods: </strong>A total of 40 intact human deciduous molar teeth containing Black V cavities (3×2×1.5 mm) on the buccal and lingual surfaces parallel to the cementoenamel junction were randomly divided into 8 groups according to the cavity disinfection methods. The antibacterial agents and systems were applied according to the manufacturer's instructions. Restorations were completed using a compomer. The restored teeth were then subjected to thermocycling for 500 cycles in a water bath at 5°C and 55°C with a dwell time of 30 seconds. After the thermocycling procedures, 1-mm sticks were obtained from the center of each cavity to prepare for the nanoleakage test. After the teeth were sectioned, they were immersed in 50 wt % ammoniacal silver nitrate solution for 24 hours and dipped in photo-developing solutions for 8 hours with fluorescent light irradiation. The samples were examined under a scanning electron microscope (SEM). The non-parametric Kruskal-Wallis and Mann-Whitney U test (p<0.05) were applied.</p><p><strong>Results: </strong>The Er,Cr:YSGG laser group showed significantly less nanoleakage than all of the tested groups (p<0.01). The diode laser, Fluor protector and FotoSan groups showed similar nanoleakage to that of the control group (p>0.05). The Corsodyl (p<0.01) and Cervitec (p<0.001) groups showed significantly higher nanoleakage than the control group.</p><p><strong>Conclusion: </strong>Er,Cr:YSGG laser irradiation which showed lower nanoleakage scores from either control or tested groups can be recommended for cavity disinfection Additionally, a diode laser and FotoSan, which have antibacterial effects and no negative effect on leakage, can be used for cavity disinfection.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"54 1","pages":"16-24"},"PeriodicalIF":1.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7d/e8/eor-054-016.PMC7252532.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38027500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}