Acta Stomatologica Croatica最新文献

{"title":"Antibacterial Efficacy of Rotary and Reciprocating Instrumentation Techniques.","authors":"Anja Sesar, Ana Budimir, Ivica Anić, Gabrijela Kapetanović Petričević, Ivona Bago","doi":"10.15644/asc58/3/5","DOIUrl":"10.15644/asc58/3/5","url":null,"abstract":"<p><strong>Objectives: </strong>To clinically evaluate the effectiveness of rotary (ProTaper Next [PTN]) and reciprocating (Wave One Gold [WOG]) instrumentation techniques in eliminating bacteria from the root canals of teeth with apical periodontitis during a single-visit root canal treatment.</p><p><strong>Materials and methods: </strong>Forty patients were randomly assigned to the WOG or PTN instrumentation techniques groups. A single-visit root canal treatment was performed on all the patients. In both groups, root canals were irrigated with 10 ml of sodium hypochlorite (NaOCl) and the final irrigation protocol was applied. Microbiological samples from the root canal were collected initially (Sample 1), after chemo-mechanical instrumentation (Sample 2), and after the final irrigation protocol (Sample 3). Quantification of bacteria at each stage of root canal treatment was performed using the culture method (colony-forming units [CFUs]), and bacterial species were identified using MALDI-TOF mass spectrometry.</p><p><strong>Results: </strong>There were 55 aerobic and anaerobic bacterial species identified. Chemo-mechanical root canal treatment with both instrumentation techniques and the final irrigation protocol significantly reduced the number of CFUs (p<0.001). There were no statistically significant differences in antibacterial efficacy between WOG and PTN groups (p>0.05).</p><p><strong>Conclusion: </strong>Although both root canal instrumentation techniques were highly effective in removing bacteria from the necrotic canals of teeth with chronic apical periodontitis, no complete eradication of bacteria was found in any sample.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 3","pages":"245-254"},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11526829/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142570936","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":"Differences between Doctors of Dental Medicine and Doctors of Medicine Awareness of Their Online Image and Perception Concerns: a Quantitative Cross-Sectional Study.","authors":"Lovela Machala Poplašen, Marko Marelić, Tea Vukušić Rukavina","doi":"10.15644/asc58/3/8","DOIUrl":"10.15644/asc58/3/8","url":null,"abstract":"<p><strong>Background: </strong>Healthcare professionals (HCPs), including doctors of dental medicine (DMDs) and doctors of medicine (MDs), use social networking sites (SNSs) for personal and professional purposes. This study aims to: (i) explore DMDs and MDs awareness of their online presence, (ii) examine how frequently and for what reasons DMDs and MDs monitor their online images, (iii) determine the prevalence of finding inaccurate, incomplete, or unprofessional information about themselves, examine that experience, and investigate actions performed regarding unprofessional or embarrassing posted material, (iv) assess concerns about their own SNSs usage and the content they post.</p><p><strong>Methods: </strong>A cross-sectional study was conducted among DMDs and MDs in Croatia using a questionnaire.</p><p><strong>Results: </strong>Out of 1,013 participants, 753 were active SNS users. Facebook (91.6%) and Instagram (63.1%) were the predominant SNSs used. DMDs exhibited a significantly higher inclination to utilize SNSs for professional purposes than MDs. Both groups reported a high level of proficiency in using Facebook (M=3.2, SD=0.827) and Instagram (M=2.44, SD=1.162). Approximately 55.4% of the participants repored monitoring their online presence, typically once a year or less frequently. DMDs emphasized the completeness of posted information more than MDs (U=25,623.0, p=0.001). Their highest level of concern pertained to confidentiality breaches and inaccurate medical and dental information. There are similar results for MDs and DMDs for finding erroneous information posted on SNSs.</p><p><strong>Conclusions: </strong>This study offers insights into HCPs' online presence, and their concerns regarding SNS usage. It underscores the significance of e-professionalism, and provides recommendations for maintaining a positive online presence while mitigating potential risks.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 3","pages":"291-304"},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11526828/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567209","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":"Legal Dental Age Thresholds Estimation in Croatian Children and Adolescents: Accuracy of the Olze, Haavikko, and Demirjian Methods.","authors":"Lei Shi, Sandra Anić-Milošević, Ivan Galić","doi":"10.15644/asc58/3/1","DOIUrl":"10.15644/asc58/3/1","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to explore the accuracy of three established approaches for legal age threshold estimation in a Croatian sample.</p><p><strong>Materials and methods: </strong>Olze's third molar eruption stages, Haavikko stages, and Demirjian stages were applied in 583 orthopantomograms of Croatian children and adolescents aged 10.00-20.99 years old. The left mandibular second and third molar were assessed. Tooth formation and eruption chronology were established. Receiver operating characteristic (ROC) curves were performed to assess the classification ability of predictive variables for estimating 16- and 18-year-old thresholds.</p><p><strong>Results: </strong>Havikko stage, Demirjian stage and eruption stages in tooth 37 performed poorly for 16-year-old and 18-year-old thresholds. Tooth 38 provide value information for these two age thresholds estimation. For 16-year-old threshold, Haavikko Stage Rc and Demirjian Stage G both yielded Sp over 98% and Bayes PTP over 95% in both sexes. yielded Sp over 98% and Bayes PTP over 95% in both sexes. Eruption stage C yielded Sp over 98%, Bayes PTP over 96% in males, and lower in females (Sp 96.7%, Bayes PTP 88.2%). For 18-year-old threshold, Haavikko stage Ac and Demirjian stage H both yielded 100% Sp and Bayes PTP. Eruption stage D yielded Sp over 96%, Bayes PTP over 90% in both sexes, slightly higehr in females than males. Mean age of tooth 37 at Haavikko stage Ac, Demirjian stage F, H and eruption stage D was statistically lower in females (p<0,05).</p><p><strong>Conclusion: </strong>Croatian population-based data on dental maturity were presented. Haavikko stage Rc, Demirjian stage G, eruption stage C and respective advanced stages in tooth 38 are effective for 16-year-old threshold classification. Haavikko stage Ac, Demirjian stage H and eruption stage D are effective for 18-year-old threshold classification.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 3","pages":"194-208"},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11526825/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567239","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":"Clinical Survival of Reduced-Thickness Monolithic Lithium-Disilicate Crowns: A 3-Year Randomized Controlled Trial.","authors":"Davor Špehar, Marko Jakovac","doi":"10.15644/asc58/2/2","DOIUrl":"10.15644/asc58/2/2","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this randomized controlled trial was to see if the minimally invasive approach (reduced restoration thickness) would result in good clinical success of monolithic ceramic crowns compared to conventional layered all-ceramic crowns, and thus be an alternative to conventional tooth preparation.</p><p><strong>Materials and methods: </strong>The ceramic that was investigated was IPS e.max lithium-disilicate ceramic produced using two different processing methods. A comparison was made between monolithic crowns with reduced thickness and standard layered crowns. Fifty-two patients, who had undergone endodontic treatment on either a premolar or molar, were randomly assigned into two groups. The teeth intended for layered crowns underwent to a 2 mm occlusal reduction with a 1 mm rounded shoulder, whereas the teeth intended for monolithic crowns underwent to a 1 mm reduction in the occlusal area with a 0.6 mm rounded shoulder. The clinical success was evaluated in eight categories using modified United States Public Health Service (USPHS) criteria. The observation period was 36 months, with control appointments every 6 months.</p><p><strong>Results: </strong>There was no significant difference in clinical success between monolithic and conventional layered crowns after 3 years. One monolithic crown fractured while all other crowns were intact and the survival rate was 96%. All layered crowns were intact and the survival rate was 100%.</p><p><strong>Conclusion: </strong>The results of this study indicate that the minimally invasive approach can be a good alternative to conventional tooth preparation. IPS e.max lithium-disilicate ceramic demonstrated an exceptional three-year survival rate independently of the thickness of the material.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 2","pages":"123-135"},"PeriodicalIF":1.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11256870/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733237","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 Disease in Patients with Ischemic Stroke - an Exploratory Study.","authors":"Vedran Radujković, Arijana Lovrenčić-Huzjan, Ivan Puhar","doi":"10.15644/asc58/2/1","DOIUrl":"10.15644/asc58/2/1","url":null,"abstract":"<p><strong>Objective: </strong>The aim of this study was to assess the periodontal disease parameters in patients with ischemic stroke.</p><p><strong>Materials and methods: </strong>The study included 21 patients with ischemic brain stroke and a control group that was matched in number, age, and gender. All participants underwent a standard periodontal examination. The inclusion criterion of this study was the presence of at least 15 teeth. Periodontal epithelial surface area, periodontal inflamed surface area (PISA), and periodontal disease stage were determined. All participants were given a questionnaire to determine oral health-related quality of life (OHQL). Stroke risk factors were assessed.</p><p><strong>Results: </strong>Stroke patients had a significantly higher OHQL score than the control group (20.81 vs. 12.57) and a full-mouth plaque score (FMPS, 27.57 vs. 16.83), while full-mouth bleeding score (FMBS) was significantly higher in the control group than in the hospital group (10.17 vs. 6.42). For PISA, statistically significant negative correlations were found for smoking, cholesterol levels, and LDL levels, while significant positive correlations were found for FMBS, clinical attachment level and probing depth.</p><p><strong>Conclusion: </strong>Although PISA does represent the amount of periodontal tissue that is inflamed, tooth loss due to advanced periodontal disease combined with oral hygiene limitations imposed by the hospital setting and the stroke recovery process remain the most significant obstacles for a more meaningful understanding of the data represented by specific clinical, laboratory and various demographic parameters that characterize the two diseases.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 2","pages":"110-122"},"PeriodicalIF":1.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11256875/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733242","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":"Micro-Computed Tomography Analysis of Resin and Calcium Silicate Based Sealers Removal in Mandibular Molars Curved Canals.","authors":"Arda Buyuksungur, Aysenur Oncu, Mehrdad Koohnavard, Berkan Celikten, Emine Odabasi Tezer, Yan Huang, Kaan Orhan","doi":"10.15644/asc58/2/3","DOIUrl":"10.15644/asc58/2/3","url":null,"abstract":"<p><strong>Objective: </strong>The removal of the root canal sealer is an important factor in nonsurgical retreatment. The aim of this study was to compare the removal of AH Plus, Well Root ST, and AH Plus Bioceramic Sealer using Protaper Universal retreatment files.</p><p><strong>Methods: </strong>The curved mesio-buccal canals of extracted mandibular molars were prepared with the Protaper Gold file system (up to F2). Specimens were randomly divided into 3 groups and filled with the single cone technique using AH Plus, Well-Root ST, and AH Plus Bioceramic Sealer, respectively. After two weeks, the root canal filling of all specimens was removed using Protaper Universal retreatment files. All specimens were scanned using micro-CT. The remaining volume of the root canal filling was recorded in total and the coronal, middle, and apical third of each specimen.</p><p><strong>Results: </strong>Well-Root ST and AH Plus Bioceramic Sealer groups had a higher percentage of total remaining filling material than the AH Plus group (<i>P</i><0.05).</p><p><strong>Conclusion: </strong>This study has shown that the volume of remaining root canal filling was significantly higher in the samples filled with calcium silicate-based sealers.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 2","pages":"134-144"},"PeriodicalIF":1.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11256872/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733240","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":"Thickness Variations of Thermoformed and 3D-Printed Clear Aligners.","authors":"Ružica Bandić, Katarina Vodanović, Ivna Vuković Kekez, Ivana Medvedec Mikić, Ivan Galić, Danijela Kalibović Govorko","doi":"10.15644/asc58/2/4","DOIUrl":"10.15644/asc58/2/4","url":null,"abstract":"<p><strong>Objective: </strong>To assess thickness variations of thermoformed and 3D-printed clear aligners.</p><p><strong>Materials and methods: </strong>Six different thermoplastic materials with different initial thicknesses were used for aligner thermoforming using Biostar® device (Biostar®, SCHEU-DENTAL GmbH, Iserlohn, Germany). Also, two different dental resins were used to create the printed aligners in three digitally designed thicknesses using IZZI Direct printer (3Dtech, Zagreb, Croatia). The aligners were measured using an electronic micrometer (ELECTRONIC UNIVERSAL MICROMETER, Schut Geometrical Metrology, Groningen, The Netherlands, accuracy: 0.001 mm) on a total of 20 points per aligner. Statistical analysis was performed using the JASP program (JASP, University of Amsterdam, Amsterdam, The Netherlands).</p><p><strong>Results: </strong>The difference between the thermoformed and printed groups was statistically significant. Significant differences between different thermoformed materials and between 3D-printed materials were found. The thickness of thermoformed aligners deviated more in the upper jaw, whereas the thickness of printed aligners deviated more in the lower jaw. Both differences were statistically significant. The greatest average deviation from the initial thickness was found in Duran 0.75; Erkodur 0.6; Erkoloc-Pro 1.0; IZZI 0.5; NextDent 0.6 and NextDent A 0.6. NextDent group had the lowest deviations for all teeth of both jaws, except for upper and lower first molar where NextDent A group was more accurate.</p><p><strong>Conclusions: </strong>Thermoformed aligners showed decreased values, while printed ones showed mostly increased values compared to the original material thickness. The highest mean deviation belonged to IZZI group, and the NextDent group had the lowest mean deviation. The thickness of both aligners was thinner at the edges compared to the thickness at cusps and fissures.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 2","pages":"145-155"},"PeriodicalIF":1.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11256873/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733243","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":"Dental Anxiety Among Students of the University of Rijeka, Croatia.","authors":"Nataša Ivančić Jokic, Laura Matičić, Marija Šimunović Erpušina, Dorotea Petrović, Odri Cicvarić, Danko Bakarčić","doi":"10.15644/asc58/2/7","DOIUrl":"10.15644/asc58/2/7","url":null,"abstract":"<p><strong>Objectives: </strong>Dental anxiety is a common problem and a great challenge for many patients, but also for dentists - the treatment of anxious patients is considered to be one of the most stressful situations for dentists. The aim of this study was to evaluate the prevalence of dental anxiety among the students of the University of Rijeka and to detect possible differences in the level of anxiety among students of different study programs.</p><p><strong>Participants and methods: </strong>This cross-sectional study included 290 students from different faculties of the University of Rijeka (Faculty of Law, Faculty of Humanities and Social Sciences, Faculty of Engineering, Faculty of Medicine, Faculty of Dental Medicine), 73 (25.17%) male and 217 (74.83%) female students. The study was conducted online via The Modified Dental Anxiety Scale (MDAS) in 2020 and sampling was based on voluntary responses. The Student's t-test and ANOVA were used to compare differences in MDAS scores among students.</p><p><strong>Results: </strong>There is a significant difference in dental anxiety levels between students from the Faculty of Humanities and Social Sciences and Faculty of Dental Medicine (MDAS=11.32±4.11, MDAS=8.84±3.03, p=0.01), and also between students from the Faculty of Law and Faculty of Dental Medicine (MDAS=11.47±4.64, MDAS=8.84±3.03, p <0.01).</p><p><strong>Conclusions: </strong>This research showed that non-dental students have a higher level of dental anxiety than dental students. Sufficient knowledge of dental and oral health could potentially overcome dental fear and anxiety. Therefore, there is a need to provide additional dental education throughout the university curriculum.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 2","pages":"177-184"},"PeriodicalIF":1.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11256868/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733238","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":"Assessment of Tooth Shade Measurement Precision and Consistency with Digital Photography Calibration System.","authors":"Barbara Delija Omazić, Dino Buković, Maja Žagar, Martina Šlaj, Davor Illeš","doi":"10.15644/asc58/2/8","DOIUrl":"10.15644/asc58/2/8","url":null,"abstract":"<p><strong>Objectives: </strong>To ascertain the degree of precision and repeatability inherent in the \"capture to edit\" digital imaging system, namely the ColorChecker Passport Photo (X-Rite, MI, USA), and to juxtapose its performance against spectrophotometric assessments utilizing the Vita Easyshade® (Vita Zahnfabrik, H Rauter GmbH & Co. KG., Bad Sackingen, Germany) for the same set of teeth.</p><p><strong>Materials and methods: </strong>Eighty participants aged 19-25 were included in the study; all of them were Croatian students at the School of Dental Medicine, University of Zagreb. Color measurements of the maxillary right central incisors were performed in controlled, standardized laboratory conditions. The measurements were performed on calibrated digital photographs by an experienced clinician three times in a row, and L, a, and b of CIELAB color space values were recorded. The same procedure was performed using the Vita Easyshade 5.0 spectrophotometer (Vita Zahnfabrik, Bad Säckingen, Germany) in \"Tooth single\" mode.</p><p><strong>Results: </strong>The Cronbach's alpha was used as a repeatability measurement, thus revealing high consistency for both methods (α=0.94-1). Correlations were moderate (Pearson r=0.44-0.66 p<0.05). Testing confirmed that digital photography is inaccurate as spectrophotometry (p<0.05). An analysis of errors of means and their standard deviations revealed consistent discrepancies with minor deviations.</p><p><strong>Conclusion: </strong>The \"capture to edit\" method showed high consistency (Cronbach's α=0.94-0.96), and it exhibits comparability in terms of variability, reliability, and repeatability when compared to spectrophotometric measurement (VitaShade 5, VitaZahnfabrik). Disparities between the methods are evident and anticipated, yet they do not follow a consistently linear pattern. The combination of repeatability and consistency renders the \"capture to edit\" method a valuable tool for enhanced color mapping, thus facilitating comparisons between digital images.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 2","pages":"185-192"},"PeriodicalIF":1.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11256871/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733236","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":"Patients' and Parents' Concerns over Orthodontic Treatment during the COVID - 19 Pandemic.","authors":"Magda Trinajstić Zrinski, Petra Anić, Željana Matošić, Sandra Anić Milošević, Senka Meštrović, Marina Lapter Varga","doi":"10.15644/asc58/2/5","DOIUrl":"10.15644/asc58/2/5","url":null,"abstract":"<p><strong>Objective: </strong>We aimed to assess the impact of the COVID-19 pandemic on the concern of adolescents in orthodontic treatment, and to determine whether personality traits and parental perception were predictors of adolescent patients' concerns.</p><p><strong>Participants and methods: </strong>The sample consisted of 229 adolescent patients (57.2% female) and 223 parents (65.1% female). Questionnaires included items about the importance of infection control and concern about treatment duration and results. Their latent structure was determined using exploratory factor analysis. The Big Five Inventory was used for assessing personality traits. Predictors of patients' and parental orthodontic concern and awareness of the importance of infection control measures were tested by the hierarchical multiple regression analysis.</p><p><strong>Results: </strong>Two factors were revealed for the patient questionnaire, Treatment concern (TC) and Awareness of the importance of measures (AM), and four factors for the parent questionnaire, Parents' treatment concern (PTC), Parents' awareness of the importance of measures (PAM), Parents' concern about the pandemic (PCP) and Parents' concern about their child with regards to the pandemic (PCC). Adolescents' personality traits were not predictors of either TC or AM. PTC was a predictor of TC (p<0.001), accounting for 28% of the variance. PAM and the patient's following of the news were predictors of AM (p≤0.022), accounting for 24% and 2% of the variance, respectively.</p><p><strong>Conclusion: </strong>Parental concern and awareness of measures had an important role in attitudes of adolescent orthodontic patients during the COVID-19 pandemic, while personality traits did not. The clinician should put additional emphasis on communication with the parent.</p>","PeriodicalId":7154,"journal":{"name":"Acta Stomatologica Croatica","volume":"58 2","pages":"156-168"},"PeriodicalIF":1.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11256874/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733241","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}