European Oral Research最新文献

{"title":"The effects of different cavity disinfectants on fracture resistance of tooth fragment reattachments.","authors":"Nihan Gonulol,&nbsp;Emine Sen Tunc,&nbsp;Elif Kalyoncuoglu,&nbsp;Sukru Ozcelik,&nbsp;Hakan Gokturk","doi":"10.26650/eor.2023996311","DOIUrl":"https://doi.org/10.26650/eor.2023996311","url":null,"abstract":"<p><strong>Purpose: </strong>This study was conducted to investigate the fracture strength of reattached tooth fragments after different cavity disinfection protocols.</p><p><strong>Materials and methods: </strong>Incisal edges of 144 bovine incisors were sectioned and then randomly divided into 4 different groups as follows: Group C: no disinfectant; Group NaOCl: 2.5% sodium hypochlorite solution; Group NaOCl+Asc: 2.5% sodium hypochlorite followed by 10% ascorbic acid solution; Group CHX: 2% chlorhexidine solution. Teeth were further divided into 3 subgroups according to universal adhesive (G-Premio Bond, Scotchbond Universal, Prime and Bond Universal). Fracture resistance was evaluated using a universal testing machine. Data was analyzed using 2-way ANOVA with Bonferroni tests.</p><p><strong>Results: </strong>Cavity disinfectant had a statistically significant effect on bond strength (p<0.05), with the highest bond strength detected in the NaOCl+Asc Group (148.22 ± 51.64) and the lowest in the NaOCl Group (112.84 ± 43.12). Scotchbond Universal exhibited the highest bond strength values (163.59 ± 49.94); however, there were no significant differences between the other adhesive systems (p> 0.05).</p><p><strong>Conclusion: </strong>Application of ascorbic acid following sodium hypochlorite treatment can improve dentin bond strength.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"57 1","pages":"10-15"},"PeriodicalIF":1.0,"publicationDate":"2023-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/fa/ee/eor-057-010.PMC10069801.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9311409","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":"A comparative study to evaluate the heat generated during osteotomy with conventional drill, trephine and alveolar expander.","authors":"Shubhanshi Omar,&nbsp;Honey Jaiswal,&nbsp;Sunil Kumar Mishra,&nbsp;Darpan Bhargava,&nbsp;Prince Kumar","doi":"10.26650/eor.20221071705","DOIUrl":"https://doi.org/10.26650/eor.20221071705","url":null,"abstract":"<p><strong>Purpose: </strong>Excessively produced heat could lead to clinical failure of osseointegration. This study was done to compare the heat generated during osteotomy with the conventional drill, trephine, and alveolar expander .</p><p><strong>Materials and methods: </strong>This in vitro study was performed on ten bovine femoral bones. In each femoral bone, three osteotomy sites were prepared at a distance of 1.5cm using the conventional drill, trephine, and alveolar expander. During osteotomy, the site was irrigated with a copius amount of normal saline. Osteotomy sites of 3.6 mm in diameter and 11.5 mm in length were prepared using the conventional drill and bone trephines. The alveolar expander used for preparing the osteotomy site was 3.5mm, the nearest dimensions available. The temperature rise was measured using a thermocouple thermometer. Repeated measures ANOVA and Fisher's least significant difference pairwise comparison test was done for statistical analysis.</p><p><strong>Results: </strong>Repeated measures ANOVA revealed a significant difference in the heat generation with the conventional drill, trephine, and alveolar expander (p<0.001). The mean heat generated was maximum with the trephine (28.26±0.246 0C) followed by the conventional drill (27.27±0.297 0C) and least with alveolar expander (25.64±0.142 0C). Pairwise comparison showed a significant difference in heat generated during osteotomy with conventional drill compared to trephine (P=0.023), conventional drill compared to alveolar expander (P=0.014), and trephine compared to alveolar expander (P<0.001).</p><p><strong>Conclusion: </strong>The heat generated with trephine was maximum compared to the alveolar expander and conventional drills. If in case trephine is to be used, both internal and external irrigation must be used. Less heat generation during osteotomy by alveolar expander seems very promising and advantageous for better osseointegration.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"57 1","pages":"22-27"},"PeriodicalIF":1.0,"publicationDate":"2023-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/f1/07/eor-057-022.PMC10069805.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9612105","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 metal nanoparticles incorporation on the mechanical properties of denture base acrylic resin.","authors":"Secil Ozkan Ata,&nbsp;Canan Akay,&nbsp;Emre Mumcu","doi":"10.26650/eor.20231079531","DOIUrl":"https://doi.org/10.26650/eor.20231079531","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to examine the flexural strength of acrylic resin base material incorporated with iron, copper, and titanium nanoparticles.</p><p><strong>Materials and methods: </strong>Seventy bars of samples (65x10x2.5 mm3) were divided into seven groups. Acrylic samples were prepared according to the manufacturer's instructions. Fe2O3, CuO and TiO2 nanoparticles were manually added in a proportion of 1wt% and 3wt% to the heat-polymerized acrylic resin. The Universal Testing Machine was used for 3-point flexural test of 5 mm/min force. ANOVA and Weibull analyses were used for the statistical analyses.</p><p><strong>Results: </strong>A statistical difference was found between the nanoparticle-added group and the control group. The highest mean value was observed for the 1wt% TiO2 added group, (84.99 MPa) and the lowest value was for the 3wt% CuO added group (71.32 MPa) (p<0,001). The 3wt% Fe2O3 and CuO added groups showed lower values than the control group.</p><p><strong>Conclusion: </strong>The incorporation of TiO2 nanoparticles into acrylic resin in a proportion of 1wt% increased the flexural strength values of the resins. Within the limitations, the nanoparticle addition to acrylic resins could improve the mechanical properties; however, when the percentage of nanoparticle addition increases, the flexural strength values of the acrylic resins decrease.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"57 1","pages":"36-40"},"PeriodicalIF":1.0,"publicationDate":"2023-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/75/58/eor-057-036.PMC10069800.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9257798","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":"Periodontal status of mandibular second molar after extraction of impacted mandibular third molars- a prospective clinical trial.","authors":"Swathi Singh,&nbsp;Sruthima Naga Venkata Satya Gottumukkala,&nbsp;Santosh Venkata Ramesh Konathala,&nbsp;Gautami Subhadra Penmetsa,&nbsp;Chinnaswami Doraiswami Dwarakanath,&nbsp;Vivek Bypalli","doi":"10.26650/eor.2022992668","DOIUrl":"https://doi.org/10.26650/eor.2022992668","url":null,"abstract":"<p><strong>Purpose: </strong>Mandibular third molar (M3) extraction is the common surgical procedures carried out; however, one of the complications is development of periodontal disease in adjacent second molars (M2). Hence the purpose of this study was to evaluate the effect of extraction of M3 on the periodontal status of M2.</p><p><strong>Materials and methods: </strong>Study included 120 sites with mandibular M2 adjacent to the impacted M3. Plaque index(PI), gingival index(GI), probing pocket depths(PD), clinical attachment levels(CAL), Gingival recession(GR) and alveolar bone height(ABH) before and 9-12 months after surgical extraction of M3 were assessed. Patients perception was assessed using dichotomous rating. Four types of impactions(IMP) were included along with surgical cofactors like degree of impaction, flap design, bone removal, tooth sectioning.</p><p><strong>Results: </strong>At baseline mesioangular and horizontal IMP showed greater PPD and CAL. After extraction of M3 there was significant decrease in PPD & CAL. 14% cases showed significant increase gingival recession at the distobuccal of M2. Although 10.9% of patients had an alveolar bony defect(ABD) distal to the M2, there was considerable improvement in ABH from baseline. The ABDs are mostly associated with mesioangular and horizontal IMP.</p><p><strong>Conclusion: </strong>Extraction of impacted M3 proves to be beneficial on periodontal status of M2. However, occasionally, mesioangular and horizontal IMP are likely to develop ABD distal to M2 and hence can be followed by regenerative procedures to prevent the formation of ABD.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"56 3","pages":"110-116"},"PeriodicalIF":1.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/20/a5/eor-056-110.PMC9826707.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10607211","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":"Length of hospital stay and complications of mini-facelift versus modified Blair incision for parotid abscess drainage.","authors":"Poramate Pitak-Arnnop,&nbsp;Nattapong Sirintawat,&nbsp;Keskanya Subbalekha,&nbsp;Jean-Paul Meningaud,&nbsp;Prim Auychai,&nbsp;Chatpong Tangmanee,&nbsp;Andreas Neff","doi":"10.26650/eor.2022989445","DOIUrl":"https://doi.org/10.26650/eor.2022989445","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the length of hospital stay (LHS) and complications between minifacelift (MFL) and modified Blair incisions (MBI) for adult patients undergoing parotid abscess drainage (PAD).</p><p><strong>Materials and methods: </strong>A retrospective cohort study design was utilized comprising 2 groups of healthy adult patients (American Society of Anesthesiology [ASA] status I-II) who underwent PAD during a 7-year interval. The primary predictor variable was incision type (MFL vs. MBI). The primary outcomes were LHS and adverse complications resulting from the incision type. Other study variables were grouped into demographic, clinical, microbiological, and therapeutic categories. Difference in the cohort characteristics were analyzed using appropriate descriptive and uni- and bivariate statistics. Multivariate logistic regression was used to measure the effect of the incision type had on the LHS and adverse complication rates.</p><p><strong>Results: </strong>The sample included 120 subjects (50% females) with a mean age of 41.7±18.3 years. Patients in the MFL group were hospitalized for 8.2±7.7 days, and the other group stayed in the hospital for 10.2±8 days (adjusted odd ratio [OR] 1.19, 95% confidence interval [95% CI] 0.52 to 2.7; p=0.8). In comparison with MBI, MFL did not significantly increase complication risks in term of facial paralysis (adjusted OR 0.93, 95% CI 0.06 to 15.29; p=1.0) and necessity of re-operation (adjusted OR 0.61, 95% CI 0.1 to 3.8; p=0.7).</p><p><strong>Conclusion: </strong>Given no different LHS and complication risks, MFL can replace MBI for ASA I-II adult patients undergoing PAD.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"56 3","pages":"124-129"},"PeriodicalIF":1.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/71/b1/eor-056-124.PMC9826706.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9117380","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":"Prevalence and awareness levels of color blindness among students of faculty of dentistry and dental prosthesis technology program.","authors":"Ayse Seda Ataol,&nbsp;Gulfem Ergun","doi":"10.26650/eor.2022994849","DOIUrl":"https://doi.org/10.26650/eor.2022994849","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to evaluate the prevalence and awareness levels of color blindness among students in a faculty of dentistry and dental prosthesis technology program in two different universities.</p><p><strong>Materials and methods: </strong>A survey of awareness of color blindness among 710 students (males: n=271; females: n=439) in the faculty of dentistry and dental prosthesis technology program of Gazi University and Ankara Medipol University in 2019-2021 was conducted. The color vision status of 442 of the students (males; n=155; females: n=287) was assessed using an online Ishihara color blindness test. The data obtained were subjected to statistical analysis using SPSS.</p><p><strong>Results: </strong>There was no statistically significant difference in the color blindness scores in terms of sex (males: 0.75±0.84; females: 0.64±0.75) (p=0.226). The color blindness scores of the dental prosthesis technology students were statistically higher than those of the faculty of dentistry students (p=0.028). Education year was significantly associated with a compromised ability to identify colors properly (p=0.040). There was no statistically significant difference in terms of awareness levels of color blindness according to the number of years of education (p>0.005).</p><p><strong>Conclusion: </strong>In terms of the prevalence of color blindness, 2.2% of faculty of dentistry and dental prosthesis technology students had a moderate-to-high level of color blindness. Students' awareness of their own color vision status was very low. The educational content of faculty of dentistry and dental prosthesis technology programs on color blindness should be enriched.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"56 3","pages":"149-157"},"PeriodicalIF":1.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/12/ef/eor-056-149.PMC9826709.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9117378","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":"Cone beam computed tomography evaluation of sphenoid sinus in different sagittal skeletal pattern.","authors":"Selin Yesiltepe,&nbsp;Elif Kurtuldu,&nbsp;Ibrahim Sevki Bayrakdar,&nbsp;Ahmet Berhan Yilmaz","doi":"10.26650/eor.20221000193","DOIUrl":"https://doi.org/10.26650/eor.20221000193","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study is to explore sphenoid sinus variations in individuals with various sagittal skeletal anomalies using cone-beam computed tomography (CBCT).</p><p><strong>Materials and methods: </strong>We retrospectively analyzed sphenoid sinus pneumatization on CBCT images of 126 patients aged 18-86 years. The anteroposterior skeletal relationships of the maxilla and mandible were classified as skeletal class I, II or III using the A point-nasion-B point (ANB) angle measured in the sagittal plane. The extensions of the sphenoid sinus were evaluated on three planes including axial, sagittal and coronal sections.</p><p><strong>Results: </strong>The study population consisted of 84 females (66.7%) and 42 males (33.3%), including 52 (41.3%) class I, 38 (30.1%) class II, and 36 (28.6%) class III cases. The conchal type of sphenoid sinus was not encountered. Presellar sinuses were detected in only 3 (5.8%) class I cases. Incomplete sinuses were detected in 16 (30.8%) class I, 7 (18.4%) class II, and 15 (41.7%) class III cases. Complete sinuses were detected in 33 (63.4%) class I, 31 (81.6%) class II, and 21 (58.3%) class III cases. Lateral extensions were found in 103 (40.9%) of the 252 sinus walls: 33 (31.7%) in class I, 45 (59.2%) in class II, and 25 (34.7%) in class III sinuses.</p><p><strong>Conclusion: </strong>Regional sphenoid sinus anatomy can be carefully examined via CBCT. The sphenoid sinus pneumatization did not differ significantly in patients exhibiting different types of sagittal skeletal closure, with the exception of the lesser wing type.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"56 3","pages":"143-148"},"PeriodicalIF":1.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/98/f2/eor-056-143.PMC9826704.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9117376","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":"Effect of repolishing on the discoloration of indirect composite block, nanohybrid, and microhybrid resin composites.","authors":"Muhittin Ugurlu","doi":"10.26650/eor.20221066456","DOIUrl":"https://doi.org/10.26650/eor.20221066456","url":null,"abstract":"<p><strong>Purpose: </strong>To comparatively assess the color stability of indirect composite block, nanohybrid, and microhybrid resin composites after immersion in red wine and repolishing.</p><p><strong>Materials and methods: </strong>Specimens (2x7x12 mm) were prepared using an indirect composite block (Cerasmart), a nanohybrid (Ceram X), and a microhybrid (Charisma Smart) resin composite. The specimens' color was recorded based on the CIE L*a*b* system in a spectrophotometer (Spectroshade). After recording the initial color, the specimens were immersed in red wine for 3 hours per day for 15 days. The color measurement was done again. The specimens were repolished with a multistep polishing system (SuperSnap). The color was measured for the third time. The color change values (ΔE) were calculated with the L*, a*, and b* coordinates obtained at baseline, after the immersion procedure, and after repolishing. Statistical analyses were performed with one-way ANOVA, Tukey's post hoc, and paired t-tests (p=0.05).</p><p><strong>Results: </strong>The composite block presented the lowest ΔE value (p <0.05). No statistically significant difference was found between the ΔE values of the nanohybrid and microhybrid resin composites. The repolishing promoted a decrease in the color change of all three materials (p<0.05). The ΔE value of the composite block was clinically acceptable after repolishing.</p><p><strong>Conclusion: </strong>The composite block showed higher color stability. The staining resistance of the nanohybrid and microhybrid resin composites was not different. The repolishing decreased the discoloration of all three materials.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"56 3","pages":"158-163"},"PeriodicalIF":1.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3d/61/eor-056-158.PMC9826705.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10607218","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":"Professional motivations and perceptions of senior dental students in the distance education period during the first year of the Covid-19 pandemic.","authors":"Cansu Ozsin Ozler,&nbsp;Cansu Atalay,&nbsp;Ece Meral,&nbsp;Meryem Uzamis Tekcicek,&nbsp;Bahar Guciz Dogan,&nbsp;Esra Ergin","doi":"10.26650/eor.2022940520","DOIUrl":"https://doi.org/10.26650/eor.2022940520","url":null,"abstract":"<p><strong>Purpose: </strong>Dental students are particularly prone to be affected by the global emergency of Coronavirus-19 (Covid-19) pandemic. The aim of this study was to evaluate the professional motivations and perceptions of senior dental students during the distance education period due to pandemic.</p><p><strong>Materials and methods: </strong>The data was collected via an online questionnaire, including questions related to students' professional motivation and perceptions, and views about preventive dentistry. For identifying the distress levels, Turkish version of Depression Anxiety Stress Scale (DASS)-21 was used. Descriptive statistics and marginal homogeneity test were used for statistical analysis.</p><p><strong>Results: </strong>A total of 114 (83 female, 31 male) students, with the mean age of 23.7±1.03 participated the study. Statistically significant changes were observed on the students' career plans (p<0.001); fear about getting and transmitting infectious diseases (p<0.001); and satisfaction about their profession (p<0.001) during the Covid-19 pandemic. Motivation loss was determined on the participants.</p><p><strong>Conclusion: </strong>There is an urgent need for revision on dental education in order to ensure the students be competent to provide oral health service that can meet the latest needs and achieve professional self-confidence without deterioration on their professional motivation and perceptions. Crisis-oriented psychological support programs should be provided for students. Some improvements should be structured in terms of preventive dentistry issues, both for dental education and dental health service aspects.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"56 3","pages":"136-142"},"PeriodicalIF":1.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/5f/96/eor-056-136.PMC9826708.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10607210","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 resin infiltration on demineralized root surface: an experimental study.","authors":"Uzay Koc Vural,&nbsp;Ayfer Ezgi Yilmaz,&nbsp;Zeynep Bagdatli,&nbsp;Sevil Gurgan","doi":"10.26650/eor.2022948009","DOIUrl":"https://doi.org/10.26650/eor.2022948009","url":null,"abstract":"<p><strong>Purpose: </strong>The objective of this experimental invitro study was to investigate the effects of resin infiltration (RI) on surface roughness, microhardness, color and surface characteristics of artificially demineralized root surfaces.</p><p><strong>Materials and methods: </strong>Forty-two root specimens prepared from freshly extracted intact human upper incisors were subjected to surface roughness, microhardness, and color tests. Profilometer was used to measure surface roughness and Vicker's Hardness tester was used to measure the changes in microhardness. The color measurements were performed by a spectrophotometer using the CIELAB parameters. Following measurements, specimens were divided into 3 groups (n=14): G1: intact root surfaces, G2: demineralized root surfaces and G3: Resin infiltrated root surfaces (Icon, DMG) following demineralization. Surface roughness, microhardness and color measurements were repeated in G2 and G3 after demineralization and RI. One specimen from each group was examined by SEM. Data were analyzed statistically (p<0.05).</p><p><strong>Results: </strong>Application of RI to artificially demineralized root surfaces significantly decreased the surface roughness (p<0.001) and increased the microhardness (p=0.023). RI also affected the color of demineralized root surfaces. SEM examinations revealed that the porosities on demineralized root surfaces seemed to be sealed after RI.</p><p><strong>Conclusion: </strong>RI affected the surface roughness, microhardness, color and surface appearance of artificially demineralized root surfaces.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":"56 3","pages":"117-123"},"PeriodicalIF":1.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/55/71/eor-056-117.PMC9826710.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9103295","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}