American journal of dentistry最新文献

{"title":"The impact of different cavity design parameters on intraoral scanner accuracy in endocrown restorations.","authors":"Yunus Emre Ozden, Idil Ozden, Zeynep Ozkurt Kayahan, Ender Kazazoglu","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the effects of different tooth structure thicknesses and cavity depths on the accuracy of intraoral scanners (IOS) in endocrown restorations.</p><p><strong>Methods: </strong>A mandibular typodont model was used, with the left mandibular first molar replaced by an extracted real human tooth. Endocrown cavities with varying depths (3.5 mm and 5 mm) and remaining wall thicknesses (1.5 mm and 0.5 mm) were prepared. Master models were scanned using a high-precision extraoral scanner, and the data were exported in STL format. Ten intraoral scans were performed for each group using the TRIOS 3 IOS. Scanning accuracy was analyzed using the Root Mean Square (RMS) value for trueness and the Interquartile Range (IQR) for precision in Geomagic Design X software. The differences in RMS values among the groups were examined using Independent Samples T test and one-way ANOVA test.</p><p><strong>Results: </strong>Significant differences in RMS and IQR values were observed between groups with different cavity depths and remaining tooth structure thicknesses (P< 0.001). Groups with thinner remaining tooth structures and deeper cavities exhibited greater deviations, indicating reduced scanning accuracy.</p><p><strong>Clinical significance: </strong>Cavity depth and tooth structure thickness significantly influenced the accuracy of intraoral scanners in endocrown restorations.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 4","pages":"211-216"},"PeriodicalIF":1.1,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148700580","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 faucet-mounted water filters on the fluoride and calcium concentrations of tap water.","authors":"Ahmed S Aljuaid, Armando E Soto-Rojas, Laila Al Dehailan, Fahad S Algahtani, George J Eckert, Frank Lippert","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the effect of faucet-mounted water filters (FMWF) on the fluoride and calcium concentrations in tap water during their use.</p><p><strong>Methods: </strong>A convenience sample of 15 different brands of FMWF was investigated (PUR, Brita, Waterdrop, Culligan, Engdenton, DuPont, Instapure, iSpring, OEMIRY, IVO, SJ WAVE, WINGSOL, ZeroWater, AIBERLE, MIST). Water samples were collected before the installation and after removal of the filters to determine baseline fluoride and calcium values. After mounting the filters, samples were collected after 1, 5, 10, 30, 50, 75, and 100 liters of water passed through each filter. Fluoride analysis was performed using a fluoride ion-specific electrode (Orion #96-909-00), while calcium analysis was performed using atomic absorption spectrometry. The data were analyzed using one-sample t-tests and one-way ANOVA.</p><p><strong>Results: </strong>The study found significantly lower fluoride and calcium levels (P< 0.05) in water filtered through PUR, Brita, and AIBERLE filters than in unfiltered water, whereas water filtered through Waterdrop, WINGSOL, and MIST filters had higher levels of fluoride and calcium. Overall, the differences between filtered and unfiltered water were minor for fluoride (up to 4% reduction) but more substantial for calcium (up to 25% reduction).</p><p><strong>Clinical significance: </strong>The evaluated faucet-mounted water filters do not affect fluoride concentrations in tap water and thus the effectiveness of community water fluoridation in a clinically significant manner; however, some filters may reduce calcium concentrations significantly.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 4","pages":"187-192"},"PeriodicalIF":1.1,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148700550","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 office bleaching on the color change and roughness of leucite reinforced CAD-CAM materials in different surface finishing protocols stained with common beverages: A laboratory study.","authors":"Zahide Aydin, Çağla Yeşil, Zeynep Yeşil","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate in the laboratory the effect of an in-office whitening agent on color change, translucency, and surface roughness of leucite-reinforced CAD-CAM material with different surface finishes exposed to different beverages [cola, tea, fruit juice, coffee, distilled water (Control)].</p><p><strong>Methods: </strong>All the IPS Empress CAD-CAM ceramic block specimens were treated with a glaze layer (n=75) and then randomly divided into three groups. The samples (n=25) in Group 1 (Control) were not treated (glaze layer remained). The glaze layer of the other samples (n=50) was abraded by the same researcher. While the samples in Group 2 were treated with Optrafine (Optrafine after glazing) (n=25), those in Group 3 were subjected to surface treatment with Eve polishing kits (Eve kit after glazing) (n=25). The samples were then immersed in five different beverages (cola, coffee, tea, fruit juice and distilled water) (n=5) and clinic-type bleaching was applied. Color measurements were recorded by spectrophotometer and surface roughness (Ra) values were recorded by profilometer. Color change (ΔE₀₀) values were calculated using the CIE2000 formula. The data were statistically analyzed using Shapiro-Wilk test, ANOVA and Bonferroni test (P< 0.05).</p><p><strong>Results: </strong>Regardless of the surface finishing process and beverage, the mean values of color change (ΔE₀₀) did not differ according to time (P= 0.148). As a result of the ANOVA, surface finishing process, beverage, and time interaction were found to be very significant (P< 0.001). Regardless of the surface finishing process and beverage, it was determined that the mean roughness values differed according to time (P= 0.019).</p><p><strong>Clinical significance: </strong>Although bleaching glass ceramic restorations with bleaching agents containing 40% hydrogen peroxide was effective to remove stains, maintaining the glaze surface finish is critical for color stability and surface integrity of CAD-CAM ceramics.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 4","pages":"193-200"},"PeriodicalIF":1.1,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148700572","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":"Effects on adjacent enamel and dentin of restorations using bioactive materials under laboratory caries condition.","authors":"Bettina G F D Amaral, Leonardo S Barros, Milagros F Aguilar, Flávio H B Aguiar, Cecilia P Turssi, Roberta T Basting, Waldemir F Vieira-Junior","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>This study evaluated the cross-sectional Knoop microhardness (KHN) of enamel and dentin adjacent to restorations made with bioactive materials, and their surface degradation after pH cycling.</p><p><strong>Methods: </strong>Molar blocks (n=10) were restored with conventional resin composite (RC; Z350XT), resin-modified glass-ionomer cement (R-GIC; Vitremer), flowable compomer (FC; Twinky), resin composite with S-PRG filler (RC-S-PRG; Beautifil II), or self-curing bioactive composite (RC-SP; Cention N). After pH cycling, KHN was measured at 100, 200, and 300 µm from the restoration margins and at depths of 20, 40, and 60 µm from the surface. Surfaces were evaluated using scanning electron microscopy (SEM). Data were analyzed via split-plot ANOVA and Tukey's test (α=0.05).</p><p><strong>Results: </strong>Regardless of material, enamel KHN was lower at 20 µm than at 60 µm depth (100 µm distance), at 40 µm than at 60 µm depth (300 µm distance), and dentin KHN was also lower at 20 µm. RC and R-GIC showed reduced dentin KHN at 20 µm compared to 60 µm. SEM analysis revealed surface degradation in all materials (RC<R-GIC<FC<RC-S-PRG<RC-SP).</p><p><strong>Clinical significance: </strong>The ion-releasing bioactive materials did not provide superior protection of microhardness compared with the conventional composite. Moreover, bioactive materials exhibited greater surface degradation after acidic challenge, which may compromise their long-term stability in the oral environment.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 4","pages":"181-186"},"PeriodicalIF":1.1,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148700556","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 fiber post materials and timing of coronal preparation on sealing ability of post-core systems: A factorial design study.","authors":"Chen Qu, Xiangling Liao","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To examine the effects of fiber post material and coronal preparation timing on the sealing ability of post-core systems and to determine whether these factors interact under thermal and mechanical aging conditions.</p><p><strong>Methods: </strong>A 2×2 factorial design was used. 60 freshly extracted single-rooted premolars meeting predefined inclusion and exclusion criteria were randomly assigned to four groups (n= 15): fiber-reinforced composite (FRC) post with immediate preparation, FRC with delayed preparation, prefabricated quartz fiber (PQF) post with immediate preparation, and PQF with delayed preparation. Post space length was standardized to 10 mm while maintaining a 4 mm apical seal, in accordance with the recommendation that post length should approximate two-thirds of root length and at least equal the clinical crown height. All procedures were completed by a single prosthodontist. Specimens underwent 5,000 thermal cycles followed by 240,000 cyclic loading cycles. Interfacial microgap width was serially evaluated by SEM at two time points, namely after thermocycling and after cyclic loading, and the data were analyzed with a linear mixed-effects model.</p><p><strong>Results: </strong>Post material type (F= 45.32, P< 0.001, η²p= 0.43) and time point (F= 312.56, P< 0.001, η²P= 0.84) showed significant effects, as did the material x time interaction (F= 8.73, P=0.004, η²P= 0.13). Preparation timing was not significant (F= 2.15, P= 0.148). After thermocycling, group B showed smaller microgap width than group D (3.91± 0.87 vs. 5.62± 1.77 µm; mean difference, -1.71 µm; 95%CI: -2.76 to -0.66; P=0.003). After cyclic loading, Group A was smaller than Group C (13.97± 1.89 vs. 17.85± 2.83 µm; mean difference, -3.88 µm; 95%CI: -5.62 to -2.14; P< 0.001), and Group B was smaller than group D (8.84± 1.98 vs. 13.29± 2.85 µm; mean difference, -4.45 µm; 95%CI: -6.22 to -2.68; P< 0.001). No root fractures were detected during specimen preparation, thermocycling, or cyclic loading.</p><p><strong>Clinical significance: </strong>For a given fiber post material, immediate and delayed coronal preparation produced comparable marginal sealing. Compared with prefabricated quartz fiber posts, fiber-reinforced composite post-core systems provided superior interfacial stability after aging and may be preferable in roots with irregular or flattened canal morphology.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 4","pages":"166-172"},"PeriodicalIF":1.1,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148700548","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":"Perioperative nursing based on the Knowledge-Attitude-Practice theory in patients undergoing robot-assisted dental implant surgery.","authors":"Meiling Shen, Yi Feng, Xinwen Peng, Yan Chen, Tong Cheng, Kangwen Yang, Jianfang Huang","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the clinical effectiveness of perioperative nursing interventions based on the Knowledge-Attitude-Practice (KAP) theory in patients undergoing robot-assisted dental implant surgery.</p><p><strong>Methods: </strong>A total of 54 patients who underwent robot-assisted dental implant surgery were allocated to either a conventional perioperative care group (control group) or a KAP intervention group. The control group received routine perioperative care according to the hospital's standard protocols, whereas the intervention group received perioperative care based on the KAP theory in addition to the standard care. The KAP-based care followed a progressive pathway characterized by knowledge dissemination, attitude cultivation, and behavioral guidance. The intervention period lasted for 8 weeks. Primary outcome measures included self-care ability, negative emotions, postoperative swelling and pain, follow-up compliance, and patient satisfaction.</p><p><strong>Results: </strong>After 8 weeks, the intervention group exhibited significantly greater improvements in all domains of self-care behavior (regular follow-up, correct toothbrushing, and balanced diet) as well as in total self-efficacy scores compared with the control group. Dental anxiety and dental fear scores decreased significantly in both groups, with greater reductions in the intervention group. Postoperative pain scores were significantly lower and satisfaction scores significantly higher in the intervention group. At 3 and 6 months, compliance rates in the intervention group were significantly higher than those in control group.</p><p><strong>Clinical significance: </strong>Perioperative nursing based on the Knowledge-Attitude-Practice (KAP) theory enhanced self-care ability, alleviated negative emotions, increased long-term follow-up compliance, and improved patient satisfaction in individuals undergoing robot-assisted dental implant surgery. This model effectively standardizes patient care behaviors and optimizes postoperative recovery.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 4","pages":"206-210"},"PeriodicalIF":1.1,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148700528","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":"Oral malodor control with a stabilized stannous fluoride toothpaste compared to sodium monofluorophosphate: A randomized controlled trial.","authors":"Dutmanee Seriwatanachai, Terdphong Triratana, Luis R Mateo, Robert D'Ambrogio, Yun-Po Zhang","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the clinical efficacy of a test toothpaste containing 0.454% stannous fluoride stabilized with zinc phosphate as compared to a control fluoride toothpaste containing 0.76% sodium monofluorophosphate on oral malodor reduction via organoleptic scores after 3 weeks of twice daily product use.</p><p><strong>Methods: </strong>A randomized, single-center, double-blind, parallel-group clinical trial conducted in Bangkok, Thailand. Eighty adult subjects with qualifying baseline oral malodor scores were randomized to use either the test toothpaste or the control toothpaste twice daily for 3 weeks. Efficacy was assessed using the organoleptic hedonic scale (1-9) by four calibrated judges. The primary endpoint was the reduction in organoleptic scores assessed 12 hours post-brushing (overnight).</p><p><strong>Results: </strong>All 80 subjects completed the protocol. At baseline, there were no significant differences in organoleptic scores between groups (P= 0.816). After 3 weeks, the Test group showed a 37.8% reduction from baseline in overnight malodor scores (P< 0.001), while the Control group showed a 13.6% reduction (P< 0.001). The Test group demonstrated a statistically significant (P< 0.001) 28.0% greater reduction in oral malodor compared to the Control group. No adverse events were reported.</p><p><strong>Clinical significance: </strong>The 0.454% stannous fluoride toothpaste stabilized with zinc phosphate provided a superior, long-lasting solution for overnight oral malodor management compared to a standard sodium monofluorophosphate toothpaste after 3 weeks of use.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 4","pages":"177-180"},"PeriodicalIF":1.1,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148700603","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":"Agreement among tooth color measurement devices: An experimental comparison.","authors":"Ezgi Türkoğlu Tarı, Yusuf Bayraktar","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the measurement results of different instrumental color analysis methods with a reference spectrophotometer.</p><p><strong>Methods: </strong>Six different methods (DSLR camera and smartphone camera with and without cross-polarizing filter, VITA Easyshade and Spectroshade spectrophotometers) were evaluated using four different shade tabs (1M1, 3R2.5, 3L2.5, 5M3). X-Rite MetaVue VS3200, a highly repeatable spectrophotometer, was used as the reference method. All images were captured in RAW format using standardized lighting and white balance for photographic methods and analyzed using Adobe Photoshop. Beside the L*, a*, b* values, the ΔE₀₀ values were measured. Data was analyzed using one-way ANOVA and Tukey tests (P= 0.05).</p><p><strong>Results: </strong>According to ANOVA test, the L*, a*, b* values of all groups showed significant differences for all shades (P< 0.05). When compared with the X-Rite MetaVue VS3200 group, the obtained ΔE₀₀ values also showed significant differences (P< 0.001) and were above the acceptability threshold. All ΔE₀₀ values were above the acceptability threshold (ΔE₀₀> 1.8) for all groups. The color measurement methods used in dental literature often produce inconsistent results when compared to each other. In this study, the results obtained from the tested methods were also inconsistent with the reference method. Therefore, the commonly used color measurement methods in dental research should be reconsidered.</p><p><strong>Clinical significance: </strong>Accurate tooth color determination relies on controlled lighting, geometry, and proper device calibration. This study demonstrated that variations among instrumental methods may exceed clinically acceptable limits, underscoring the importance of standardized measurement conditions. Clinicians should recognize that color analysis can differ between devices, even under identical settings, highlighting the significance of accurate color detection for optimal clinical outcomes.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 3","pages":"134-138"},"PeriodicalIF":1.2,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175255","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":"Locally delivered simvastatin and rosuvastatin in the treatment of chronic periodontitis: A systematic review and meta-analysis.","authors":"Roza Zarei, Pooya Vatankhah, Saman Chaparzade, Farbod Ebrahimirad, Pardis Hassani, Nima Khamisi, Sahar Dehzadeh, Zahra Sezavar, Niloofar Deravi, Sharare Jahangiri, Haleh Fakhimi Resaei, Amir Khashayer Jafari, Alireza Mokhtari Sakhvidi","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>This systematic review and meta-analysis evaluated the effectiveness of locally delivered simvastatin and rosuvastatin in the treatment of chronic periodontitis.</p><p><strong>Methods: </strong>A thorough literature review was performed utilizing PubMed, Scopus, Google Scholar, and ClinicalTrials.gov for studies published until June 2025. Titles, abstracts, and full texts of the eligible studies were obtained and reviewed. Data were subsequently extracted from the chosen studies and analyzed accordingly.</p><p><strong>Results: </strong>A total of 30 RCT studies with 1,211 participants were included. Our study showed that the local delivery of simvastatin and rosuvastatin significantly improved pocket depth [Weighted Mean Difference (WMD) 95% confidence interval (CI)] = -0.83, -1.31 respectively, P< 0.001), clinical attachment level (-1.20, -1.59, P< 0.001), gingival index (-0.60, -1.42, P< 0.001), modified sulcus bleeding index (-0.61, -0.36, P< 0.001), plaque index (-0.38, P< 0.001), and relative attachment level (-0.54, -0.89, P< 0.001). However, there was no significant association between the plaque index and the use of rosuvastatin (-0.20, P< 0.05).</p><p><strong>Clinical significance: </strong>The local delivery of simvastatin and rosuvastatin along with scaling and root planing significantly reduced pocket depth and improved clinical attachment level, gingival index, modified sulcus bleeding index, and relative attachment level. Further clinical trials are still required to support the results of the current meta-analysis.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 3","pages":"125-133"},"PeriodicalIF":1.1,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175106","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 herbal ingredient toothpastes on resin composites' surfaces and their antimicrobial activities.","authors":"Elif R Durak, Melek H Kaplan, Pelin Ozmen","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the effects of herbal toothpastes compared to chemical toothpastes on restorative materials' structure and antimicrobial effects.</p><p><strong>Methods: </strong>Four experimental herbal toothpastes and one chemical toothpaste (positive control group) were tested. Microhardness values, weights, and volumes of samples formed with dental composites were recorded before and after brushing. Minimal inhibitory concentration and agar well diffusion tests were used to evaluate the antimicrobial effect of toothpastes on contaminated surfaces. After brushing the samples with Streptococcus mutans plaque, colony counts were made as CFU/ml, and plaque inhibition was monitored by field emission scanning electron microscope (FE-SEM) examination. The data obtained were evaluated statistically.</p><p><strong>Results: </strong>The study's results showed a statistically significant change in the microhardness, weight, and volume values of dental composites used in both the anterior and posterior regions. In the antimicrobial activity evaluation results, plaque inhibition was detected in the FE-SEM images of the composite blocks where herbal toothpastes were used.</p><p><strong>Clinical significance: </strong>The results showed a statistically significant change in the microhardness, weight, and volume values of dental composites used in both the anterior and posterior regions. In the antimicrobial activity evaluation results, plaque inhibition was detected in the field emission scanning electron microscope images of the composite blocks where herbal toothpastes were used.</p>","PeriodicalId":7538,"journal":{"name":"American journal of dentistry","volume":"39 3","pages":"121-124"},"PeriodicalIF":1.2,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175268","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}