American journal of dentistry最新文献

{"title":"Bond strength of different resin-based cements to 3D-printed permanent restorations.","authors":"Engin Kariper, Aylin Cilingir","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the shear bond strength of different primers with adhesive cements to 3D printed restorations.</p><p><strong>Methods: </strong>72 3D-printed restorations (Formlabs permanent crown resin) and nano-hybrid composite (Tetric EvoCeram) resin cylinders prepared and assigned to two groups, according to G-Multi Primer (GMP) with G-Cem One (GCO) and Clearfil ceramic primer plus (CCP) with Panavia F2.0 (PF) cements and three subgroups (n=9) were created for each cement: (1) control group, (2) 5,000 thermal cycles, (3) 10,000 thermal cycles. 3D-printed restorations were embedded in Teflon molds and cemented with nano-hybrid composite resin cylinders and a shear bond strength test was performed according to group. Failure modes were observed with stereomicroscope (30x), and surface morphology was evaluated with SEM analysis (100x and 2,000x). Statistical analysis was performed using Kolmogorov-Smirnov and Shapiro Wilks tests, and for evaluating the study data, 2-way ANOVA test and post hoc Tukey HSD test were used.</p><p><strong>Results: </strong>The GCO groups exhibited significantly higher SBS values than the PF groups in the bonding of the tested 3D-printed restorations. There was no statistically significant difference in the bond strengths of tested GCO cement groups. A control group of PF cement showed significantly higher SBS values than the 5,000 and 10,000 cycling of PF groups. However, there was no statistically significant difference in the 5,000 and 10,000 cycling PF groups. The bonding performance was superior for the GCO group.</p><p><strong>Clinical significance: </strong>This study showed that exposure to gutta-percha solvents (chloroform, orange oil and Endosolv) for 5 minutes did not affect the bond strengths of both iRoot SP (bioceramic sealer) and AH Plus (resin sealer) to root dentin.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"38 1","pages":"39-45"},"PeriodicalIF":0.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of bisphosphonates on periodontal diseases in menopausal and postmenopausal women: A systematic review and meta-analysis.","authors":"Linlin Qin, Xinyue Wu, Kunshuang Wu, Hanyue Mai, Ping Wang","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To systematically evaluate the effect of bisphosphonates on periodontal diseases in menopausal and postmenopausal women.</p><p><strong>Methods: </strong>Databases (PubMed, Embase, Web of Science, Cochrane Library databases, Chinese Scientific and Technological Journal database, Wan Fang Data, China Biomedical Literature Database, and Chinese National Knowledge Infrastructure) were searched from inception to July 2024, languages are Chinese and English. Randomized controlled trials (RCTs) reporting the effect of bisphosphonates in menopausal and postmenopausal women with periodontitis were included. The risk of bias was performed using the Cochrane collaboration tool. The primary outcome was clinical attachment loss (CAL), and the secondary outcomes were probing depth (PD) and gingival index (GI). The analysis of the data was performed using Rev Man 5.3 and Stata 16.0.</p><p><strong>Results: </strong>The meta-analysis incorporated four studies that fulfilled the inclusion criteria. In evaluating the efficacy of bisphosphonates against control treatments, there was high heterogeneity observed in CAL (P = 0.0002; I² = 85%) and PD (P< 0.00001; I² = 93%) within the study groups. Meta-analysis showed a significant improvement in CAL gain (MD = - 0.57 mm; 95% CI = -1.04 to -0.11 mm; P< 0.05), PD reduction (MD = - 0.50 mm; 95% CI = -0.96 to -0.05 mm; P< 0.05), and GI reduction (MD = -1.11; 95% CI = -1.22 to -1.01; P< 0.00001) for bisphosphonate treatment vs. bisphosphonate-naïve therapy.</p><p><strong>Clinical significance: </strong>Bisphosphonate treatment seems to be beneficial for managing periodontitis in menopausal and postmenopausal women.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"38 1","pages":"33-38"},"PeriodicalIF":0.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A randomized controlled trial evaluating a novel oscillating-rotating electric toothbrush versus a sonic toothbrush for plaque and gingivitis.","authors":"Ralf Adam, Julie Grender, Hans Timm, Jimmy Qaqish, C Ram Goyal","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the relative efficacy of a new entry-tier oscillating-rotating (OR) electric toothbrush versus a sonic electric toothbrush over 4 weeks of use for plaque and gingivitis reduction.</p><p><strong>Methods: </strong>This single-center, examiner-blind, two-treatment, parallel-group, randomized clinical study enrolled adult participants who had evidence of gingivitis and plaque at baseline. Participants were randomly assigned to use either an entry-tier OR toothbrush (Oral-B iO2) with the Ultimate Clean brush head in Daily Clean mode or an advanced sonic toothbrush (usmile Marble-Art) used with the usmile Advanced Whitening brush head in Clean mode (and at the high-intensity level). Both groups brushed with a standard sodium fluoride dentifrice. Participants were assessed for gingivitis (Modified Gingival Index and the Gingival Bleeding Index) and plaque (Rustogi Modification of the Navy Plaque Index) at baseline and after 4 weeks of twice-daily use. Plaque was also assessed after a single use at baseline.</p><p><strong>Results: </strong>Both toothbrushes statistically significantly reduced gingivitis after 4 weeks of use and plaque after a single use and after 4 weeks (P< 0.001 for all). The OR toothbrush, relative to the sonic toothbrush, demonstrated a statistically significantly greater reduction in Modified Gingival Index score and number of bleeding sites (P< 0.001) and was associated with a significantly greater number of users transitioning from gingivitis to a state of gingival health (i.e., < 10% bleeding sites; P= 0.038) by the end of the study. The OR toothbrush likewise demonstrated greater efficacy with respect to plaque reduction after a single use (whole mouth, interproximal, and gingival margin; P< 0.001 for all) and after 4 weeks of use (whole mouth and interproximal; P< 0.001 for both).</p><p><strong>Clinical significance: </strong>The novel entry-tier OR toothbrush offers significantly greater plaque control and gingivitis reduction relative to the advanced sonic toothbrush model.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"38 1","pages":"3-8"},"PeriodicalIF":0.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of brushing on the surface properties of modified polyetheretherketone (PEEK).","authors":"Semsettin Yildiz, Bahar Tekin","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the surface roughness (SR) and surface topography (ST) of mechanical brushing with pure-unfilled PEEK (U-PEEK) and PEEK materials with different contents [titanium-containing PEEK (T-PEEK), ceramic-modified PEEK (C-PEEK) and glass fiber-reinforced PEEK (G-PEEK)].</p><p><strong>Methods: </strong>A total of 40 disc-shaped samples (10 mm x 2 mm) were obtained (n= 10) from each group (U-PEEK, T-PEEK, C-PEEK, G-PEEK). After sanding and polishing, a profilometer was used to analyze all discs' surface roughness (Ra). Qualitative analysis (QA) was performed on random samples with the help of a scanning electron microscope (SEM). Brushing was done with a custom-made brushing simulator, and the analyses were repeated. Statistical analysis was performed (P< 0.05).</p><p><strong>Results: </strong>A statistically significant difference was found between the PEEK groups before and after brushing (P< 0.05). In the measurements before and after brushing, the lowest measurement value was seen in the C-PEEK and T-PEEK groups. While there was no significant difference between T-PEEK and C-PEEK measurements, both measurements found the highest measurement value in the G-PEEK group. In addition, in all groups, the average roughness values after brushing were statistically significantly higher than those before brushing. All groups except G-PEEK are below the clinically acceptable SR value (0.2 µm) before and after brushing. T-PEEK and C-PEEK show better SR values.</p><p><strong>Clinical significance: </strong>With this study, knowing the effect of mechanical brushing on the SR of modified PEEK materials which may become widely used in dentistry, will be a guide for clinicians.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"38 1","pages":"27-32"},"PeriodicalIF":0.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Color improvement and surface integrity: Charcoal-based oral care products on stained resin composite.","authors":"Pinar Naiboğlu, Zeynep P Keleş Yücel","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To determine the effect of charcoal-based toothpaste used alone or in combination with charcoal-based mouthwash on color change (ΔE₀ ₀) and surface roughness (Ra) of a stained resin composite.</p><p><strong>Methods: </strong>Disc-shaped (8 x 2 mm) resin composite samples (Filtek Z250) were prepared. Then, the samples were immersed in coffee for 12 days. The samples were randomly assigned into four groups (n= 12). Distilled water (DW), Colgate Total 12 (CT), Colgate Optic White (COW), and Colgate Optic White + Colgate Plax White Charcoal (COW + CPWC) were used over a 3-month period. Color measurements were performed at baseline, after staining, after 1 and 3 months use. Ra analysis and surface topography by scanning electron microscopy (SEM) were evaluated after staining, after 1 and 3 months use.</p><p><strong>Results: </strong>Color changes occurring on resin composite samples immersed in coffee for 12 days exceeded the 50:50% acceptability threshold (AT) (ΔE₀ ₀:1.8). CT, COW, and COW + CPWC reduced the color change on composite samples below to the AT after 3 months of use. CT and COW + CPWC showed a significant increase in Ra after both time intervals and caused changes in surface morphology of resin composite. The present findings suggest that charcoal-based toothpaste used alone may be effective in improving the color of resin composite without inducing surface damage. Moreover, when used with charcoal-based mouthwash, the similar effect in color improvement may be accompanied by increased surface roughness.</p><p><strong>Clinical significance: </strong>This is the first study evaluating the effect of charcoal-based mouthwash when used with charcoal-based toothpaste on color change and surface roughness of a stained resin composite. Both toothpastes tested were effective in improving the color of the resin composite samples. While conventional toothpaste caused increased surface roughness, the charcoal-based toothpaste maintained surface integrity. However, charcoal-based toothpaste did not provide further color improvement when used in combination with the charcoal-based mouthwash and specifically led to increased surface roughness, highlighting potential implications for clinical practice.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"38 1","pages":"51-56"},"PeriodicalIF":0.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Periapical health in Type 1 diabetes mellitus patients with good glycemic control: A cross-sectional case-control study.","authors":"Selin G Kamali, Parla M Durmazpinar, Dilek Turkaydin, Hesna S Ovecoglu","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the relationship between type 1 diabetes mellitus (T1-DM) and apical periodontitis (AP). The periapical and endodontic conditions of T1-DM individuals were compared with healthy people.</p><p><strong>Methods: </strong>T1-DM subjects aged 18-45 with good glycemic control (HbA1c < 7) were included in this research. Individuals without systemic disease, twice as many as diabetic patients, were selected as the control group by matching them in terms of age and gender. The subjects' periapical and endodontic statuses were determined by assessing their existing digital panoramic radiographs.</p><p><strong>Results: </strong>This study included 226 subjects with T1-DM, 101 males and 125 females (30.78 ± 8.59 years). For the control group, 452 subjects without systemic disease, 224 males and 228 females (30.26 ± 8.64 years) were selected. The mean number of teeth in the control group was significantly higher than in the T1-DM group (P = 0.001). However, no significant difference was found between the T1-DM and control groups in terms of endodontic and periapical conditions (P > 0.05). Bivariate logistic regression analysis revealed a positive association between T1-DM and the number of teeth with AP only (P = 0.001; OR = 1.476). There was no association between T1-DM and endodontic conditions or other periapical health-related variables.</p><p><strong>Clinical significance: </strong>T1-DM patients lost more teeth than the control individuals. As the number of teeth with AP increased, individuals were more likely to be in the T1-DM group. Healthcare professionals should inform patients with Type 1 diabetes about oral health for a better quality of life.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"37 6","pages":"303-306"},"PeriodicalIF":0.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142942607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Color match and stability of single-shade resin-based composites before and after artificial aging.","authors":"Franciele Floriani, Akimasa Tsujimoto, Carlos A Jurado, Dayane Oliveira, Silvia Rojas-Rueda, Guilherme C Lopes","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the color match and stability of single-shade resin-based composites (RBCs) in Class V restorations before and after ultra-violet light artificial aging.</p><p><strong>Methods: </strong>Acrylic resin teeth of A1 and A3 were randomly assigned into seven groups to be restored with single-shade RBCs and universal-shade RBCs, shades A1 and A3. Standardized Class V cavities were restored using RBC and underwent accelerated aging for 480 hours. The color differences between RBC and Class V restorations for A1 and A3 were evaluated before and after artificial aging using a spectrophotometer.</p><p><strong>Results: </strong>All single-shade RBCs better color-matched the A1 tooth (P= 0.10 to P= 0.32), while universal-shade RBCs color better matched the A3 tooth (P= 0.03 to P= 0.87). Omnichroma was the only single-shade RBC that also color-matched the A3 tooth (P= 0.03). There was a statistically significant difference when comparing measurements before and after the aging only for Vittra APS Unique (P= 0.047) and Omnichroma (P= 0.038) and the A3 tooth.</p><p><strong>Clinical significance: </strong>When restoring Class V in teeth color A1, single-shade RBCs demonstrated comparable color matching to multi-shade resin composites even after 4 simulated years of service, however universal-shade RBCs were better options to restore Class V in teeth color A3.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"37 6","pages":"297-302"},"PeriodicalIF":0.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142942604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Denture biofilm increases respiratory diseases in the elderly. A mini-review.","authors":"Janaina G Maciel, Anna Clara G Gomes, Carolina Yc Sugio, Amanda Amn Garcia, Isabella F Zani, Maria H Fernandes, Simone Soares, Karin H Neppelenbroek","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>This mini-review discusses the clinical implication of respiratory pathogens in the biofilm on acrylic resin removable dentures in the elderly.</p><p><strong>Methods: </strong>A search was conducted using the keywords: \"dentures\", \" acrylic resin\", \"biofilm\", \"pneumonia\", \"elderly\", \"respiratory pathogens\", and \"respiratory diseases\" in databases PubMed/Medline, Lilacs, SciELO and textbooks between 1999 and 2024.</p><p><strong>Results: </strong>The elderly are more susceptible to chronic diseases and/or life-threatening infections because of senescence itself and functional and degenerative alterations. Respiratory tract diseases (such as pneumonia) are of greater concern in the elderly because they have been associated with the aspiration of food and oral pathogens and with reflux. This relationship is more aggravating in the presence of removable dentures, common in the elderly after the sixth decade of life, since denture biofilm is a reservoir of respiratory pathogens. Lack of manual dexterity and visual acuity negatively interfere with denture cleaning and favor pathogenic denture biofilm maturation. Reduced salivary flow, a more acidic pH, and a reduced cough reflex associated with poor denture cleaning increase the potential of denture biofilm infections and aspiration pneumonia, which is related to a high mortality rate in the elderly. To prevent respiratory diseases in this population, measures to control denture biofilm should be adopted, such as the superficial or intrinsic modification of the acrylic resin denture bases and the use of effective methods of denture cleaning.</p><p><strong>Clinical significance: </strong>Respiratory pathogens colonizing denture biofilm can be aspirated into the respiratory tract, increasing the risk of respiratory infections, especially in the elderly. The knowledge of health professionals on methods of biofilm control can prevent respiratory diseases in elderly denture wearers.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"37 6","pages":"288-292"},"PeriodicalIF":0.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142942605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two-year clinical performance of an alkasite direct restorative material in Class I and II cavities without using an adhesive resin: A prospective single-arm clinical trial.","authors":"Funda Ö Bozkurt, Tuğba Toz-Akalin, Alev Özsoy-Kaner, Mahmut Kuşdemir, Mutlu Özcan","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the clinical performance of an alkasite material for Class I and Class II cavities.</p><p><strong>Methods: </strong>50 subjects (30 females, 20 males; mean age: 28.7) referred to the Department of Restorative Dentistry, Medipol University, Dental School, Istanbul, Turkey, received 89 Class I and II restorations (Cention N) by two trained operators. All restorations were made in bulk application without an adhesive resin and without photo-polymerization.</p><p><strong>Results: </strong>65 restorations were followed in 37 subjects at a 2-year recall. The mean observation period was 27.6 months. 24 restorations (13 subjects) were not followed up at the 2-year recall and were considered as drop out. The restorations were made either due to primary caries (n= 73) or restoration replacement (n= 16). 89 restorations were placed of which 51 were in the maxilla and 38 in the mandible. In deep cavities, a cavity liner was applied (with n= 53; without n= 36). Hypersensitivity was observed in nine cases that disappeared at the latest after 1 month. No debonding, no fracture, and no endodontic complications were observed at 6-month and 1-year recalls whereas four partial retention losses and one pulpal complication occurred at the 2-year recall. The overall survival rate was 88.9% with a mean observation time of 27.6 months (Kaplan-Meier, Log Rank; Mantel-Cox) (95%CI=31.07-32.25).</p><p><strong>Clinical significance: </strong>This study provided promising evidence for application of alkasite material applied in bulk without retentive features, etching or an adhesive system.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"37 6","pages":"317-324"},"PeriodicalIF":0.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142941551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biofilm attachment and mineralizing potential of contemporary restorative materials.","authors":"Suad Shamieh, Apoena A Ribeiro, Taiseer Sulaiman, Edward J Swift, Adalberto B Vasconcellos","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate and compare: (1) the effect of the bacterial biofilm on the dentin mineral density at the restoration-tooth interface and (2) the mineralization potential of three resin-based restorative materials (RBRM).</p><p><strong>Methods: </strong>16 extracted human molars free of caries and cracks were collected and stored for disinfection. Each tooth received two standardized Class II preparations with the cervical margin placed in dentin. Teeth were secured into a dentiform with adjacent natural teeth to ensure interproximal contact. All tooth preparations were hybridized using a three-step etch-and-rinse adhesive system (OptiBond FL) and assigned randomly to three experimental groups according to the RBRM (n= 8): Group A - a nanofill resin composite (Filtek Supreme Ultra); Group B - a high-viscosity bulk-fill resin composite (Tetric Powerfill); Group C - a low-viscosity bulk-fill resin composite (SureFil SDR flow+ bulk-fill); and a positive control: Group D - bioactive resin composite (Activa Bioactive-Restorative). All materials were used according to manufacturers' instructions. All specimens were subjected to two distinct challenges: first, thermomechanical cycling was performed within 24 hours of restoring the specimens to simulate 1 year of masticatory function. Subsequently, the specimens were stored for 18 days in a laboratory biofilm model to promote biofilm formation and to mimic the effects of tooth demineralization. Two sessions of micro-CT imaging were conducted: the first immediately after the thermomechanical cycling and the second post-exposure to the biofilm model. All data on mineral profile measurements reconstructed in the Perkin-Elmer Quantum GX-II CT were transferred to Image J software for analysis and interpretation. The ANOVA test (P< 0.05) was used to analyze the mineral density values and mean mineral loss values for each group.</p><p><strong>Results: </strong>No statistically significant difference in mean mineral loss value (mean ΔZ) was found between the groups (P= 0.209). Regardless, increased mean ΔZ variation was found between SureFil SDR flow+ (-56.95) and the remaining groups, Filtek Supreme Ultra, Tetric Powerfill and Activa Bioactive (-1.17, -1.41, and -7.97, respectively), showing, within the limits of the present laboratory study, the remineralization potential of SureFil SDR flow+. All tested RBRM demonstrated some remineralization capacity under caries risk conditions.</p><p><strong>Clinical significance: </strong>The mineralization potential of some resin-based composites under caries-risk conditions can represent a paradigm shift in restorative material selection for moderate-to-high-risk patients.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"37 6","pages":"279-287"},"PeriodicalIF":0.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142942603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}