Journal of Contemporary Dental Practice最新文献

{"title":"Research Trends, Visualization, and Dynamics of Scientific Publications on Silver Nanoparticles in Dentistry: A Scientometric Approach.","authors":"Fran Espinoza-Carhuancho, Berly Delgado-Cumpa, Lucia Quispe-Tasayco, Cesar Mauricio-Vilchez, Sylvia A Chein-Villacampa, Frank Mayta-Tovalino","doi":"10.5005/jp-journals-10024-4009","DOIUrl":"10.5005/jp-journals-10024-4009","url":null,"abstract":"<p><strong>Aim: </strong>This study aimed to analyze research trends, visualization patterns, and publication dynamics related to silver nanoparticles in dentistry through a scientometric approach, thereby identifying thematic evolution, collaboration networks, and emerging areas of scientific impact.</p><p><strong>Materials and methods: </strong>Following the reporting and measurement of items for bibliometric or scientometric studies (RAMIBS) for bibliometrics in health sciences framework, we adopted a descriptive scientometric mapping approach, in which we performed an exhaustive literature search in Scopus on October 6, 2025. All published documents from January 1, 2020, onwards, which were available on Scopus, were uploaded. We exported 402 records from 113 sources in steps where we undertook exports in BibTeX and .CSV formats. We analyzed information with SciVal for performance metrics and the Bibliometrix (R-package).</p><p><strong>Results: </strong>The research area presented sustained growth with a notable 15.48% yearly increase. Overall, studies in this area attracted an average of 9.2 citations, 14.5 coauthors, and 19.9% involved international collaboration. Original research was the most common reporting type, followed by review articles. The Saveetha Institute of Medical and Technical Sciences (in India) was the most publishing institution, while the <i>Journal of Thermal Analysis and Calorimetry</i> contributed the most articles. The thematic analysis showed a trend toward more complex research topics from a foundation in material science topics (e.g., fluoride, chitosan), with emerging advanced topics such as green synthesis, cytotoxicity, and confocal microscopy.</p><p><strong>Conclusions: </strong>Research on silver nanoparticles in dentistry has evolved rapidly, reflecting the growing interdisciplinary interest and clinical relevance. The field is marked by high collaboration, diverse geographic contributions, and a clear transition toward biocompatibility and therapeutic applications.</p><p><strong>Clinical significance: </strong>Understanding the scientometric trajectory of silver nanoparticle research in dentistry provides valuable insights into emerging technologies, guiding future innovations in antimicrobial therapies, restorative materials, and minimally invasive treatments. How to cite this article: Espinoza-Carhuancho F, Delgado-Cumpa B, Quispe-Tasayco L, <i>et al.</i> Research Trends, Visualization, and Dynamics of Scientific Publications on Silver Nanoparticles in Dentistry: A Scientometric Approach. J Contemp Dent Pract 2026;27(2):223-229.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"223-229"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Periodontal Health and Pregnancy Outcomes: A Knowledge, Attitudes, and Practices Study of Healthcare Providers and Pregnant Women in Southwestern Saudi Arabia.","authors":"Manea Mm Alahmari","doi":"10.5005/jp-journals-10024-4021","DOIUrl":"10.5005/jp-journals-10024-4021","url":null,"abstract":"<p><strong>Aim: </strong>To assess knowledge, attitudes, and practices (KAP) regarding maternal periodontal health, its impact on pregnancy outcomes, and preventive oral care among dentists, gynecologists, and pregnant women in Southwestern Saudi Arabia.</p><p><strong>Materials and methods: </strong>A cross-sectional survey was conducted among 499 participants. Knowledge, attitudes, and practices were assessed using group-specific items: Knowledge (awareness of periodontal disease, effects on pregnancy, and training/literature), attitudes (importance of maternal oral health and interest in further education), and practices (oral hygiene, dental visits, and provider counseling). Mean scores were calculated for each group, divided by the maximum attainable score, converted to percentages, and categorized as good (≥75%), moderate (50-74%), or poor (<50%). Categorical differences were analyzed using Chi-square tests with Bonferroni-adjusted <i>post-hoc</i> comparisons (<i>p</i> < 0.05).</p><p><strong>Results: </strong>Dentists and pregnant women had higher knowledge scores (56.2 and 55.6%) than gynecologists (33.0%). Good knowledge was most frequent among dentists (44.0%) vs women (10.3%) and gynecologists (10.2%) (<i>p</i> < 0.001); poor knowledge predominated among gynecologists (67.3%). Practices were highest among dentists (67.5%), followed by women (50.8%) and gynecologists (47.6%), with poor practice most common among gynecologists (65.3%) and good practice most frequent among women (62.3%) (<i>p</i> < 0.001). Attitudes were highest among dentists (81.7%), followed by gynecologists (72.7%) and women (71.0%), with positive attitudes predominating across all groups.</p><p><strong>Conclusion: </strong>Dentists had the highest knowledge, gynecologists the lowest knowledge and practices, and pregnant women the strongest preventive behaviors.</p><p><strong>Clinical significance: </strong>Enhancing gynecologists' knowledge of the oral-systemic link and reinforcing preventive oral care among pregnant women can support early detection of periodontal disease and reduce adverse pregnancy outcomes, including preterm birth and low birth weight. How to cite this article: Alahmari MMM. Periodontal Health and Pregnancy Outcomes: A Knowledge, Attitudes, and Practices Study of Healthcare Providers and Pregnant Women in Southwestern Saudi Arabia. J Contemp Dent Pract 2026;27(2):163-169.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"163-169"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Management of Avulsed Permanent Maxillary Incisor Tooth with 11 Hours of Extraoral Time: A Case Report.","authors":"Abdulsalam H Alrashedi, Haia M Alanazi, Asma M Alenezi, Khulud S Alreshidi, Nada M Almutairi","doi":"10.5005/jp-journals-10024-3902","DOIUrl":"10.5005/jp-journals-10024-3902","url":null,"abstract":"<p><strong>Aim: </strong>This study describes the management of a replanted and endodontically treated avulsed permanent maxillary incisor tooth with 11 hours of extraoral time.</p><p><strong>Background: </strong>Avulsion is one of the most common and severe dental injuries occurring in young children and has an unreliable prognosis. Immediate avulsion treatment is essential to maintain the tooth's vitality and minimize complications. A successful outcome is determined by adequate preservation and early replantation.</p><p><strong>Case description: </strong>A nine-year-old boy reported to the advanced dental care clinic with an avulsed tooth #21 due to a bicycle fall. The boy's mother attempted to preserve the tooth by storing it in the refrigerator for 11 hours immediately after the trauma. The tooth was replanted and splinted; however, the tooth showed pulpal necrosis after 2 weeks, suggesting replantation failure that necessitated further intervention. Accordingly, an apexification procedure employing mineral trioxide aggregate and gutta-percha was performed to treat the tooth's open apex and promote continued root development. The patient remained asymptomatic during the follow-up periods of 6 and 12 months.</p><p><strong>Conclusion: </strong>This case report demonstrates the effective treatment of an open apex avulsed tooth through an apexification procedure despite the unusual tooth preservation attempt by the patient's mother.</p><p><strong>Clinical significance: </strong>Although delayed replantation of an avulsed tooth is accompanied by few complications, it might inadvertently preserve the alveolar bone and provide psychological advantages to the patient, making it a viable alternative to dental prosthesis. How to cite this article: Alrashedi AH, Alanazi HM, Alenezi AM, <i>et al.</i> Management of Avulsed Permanent Maxillary Incisor Tooth with 11 Hours of Extraoral Time: A Case Report. J Contemp Dent Pract 2026;27(2):185-189.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"185-189"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Buzzy vs Counter-stimulation with Audiovisual Distraction for Pain and Anxiety Control during Inferior Alveolar Nerve Block in Children: A Randomized Controlled Trial.","authors":"Nehall A Abdel Lattif, Nouralhouda F Abd-Alla, Hend A Alfadhli, Dina M Abdel-Ghany, Soha Am Shawki, Yomna O Morad","doi":"10.5005/jp-journals-10024-4019","DOIUrl":"10.5005/jp-journals-10024-4019","url":null,"abstract":"<p><strong>Aim: </strong>The current study aimed to evaluate the efficacy of vibration and external cooling in contrast to counter-stimulation with audiovisual (AV) distraction in reducing pain and anxiety during inferior alveolar nerve block (IANB).</p><p><strong>Materials and methods: </strong>The participants in the study included 36 children aged 6-10 years who needed dental work on their mandibular posterior teeth that called for IANB usage. A pulse oximeter was used for the objective measure, which was pulse rate. The patient selected the Wong-Baker FACES Pain Rating Scale (WBFPRS), and the observer recorded the face, leg, activity, cry, and consolability (FLACC) scale among the subjective measures. The participants were randomly assigned to three groups: Group A: Buzzy, group B: Counter-stimulation with AV distraction group, and group C: Control group (IANB without intervention).</p><p><strong>Results: </strong>Comparison between groups revealed that the differences in pulse rates between the groups were statistically significant during the procedure (<i>p</i> = 0.035). Group B showed the highest mean pulse during the procedure. Regarding Wong-Baker scale results, after the procedure, group A (Buzzy) showed the lowest mean pain score, followed by group C, while group B showed the highest mean pain score, but the difference between groups did not reach a level of statistical significance (<i>p</i> = 0.19). Group B had the highest mean FLACC score, but the groups did not differ significantly.</p><p><strong>Conclusion: </strong>Buzzy was more successful in lowering pediatric dental patients' perceptions of IANB pain as compared to counter-stimulation with AV distraction and conventional technique, but this effect was not statistically significant.</p><p><strong>Clinical significance: </strong>Children with dental anxiety have exaggerated expectations of pain. The use of the Buzzy device during IANB aids in improving comfort and cooperation in pediatric dental patients, supporting effective chairside pain and anxiety management. How to cite this article: Abdel Lattif NA, Abd-Alla NF, Alfadhli HA, <i>et al.</i> Buzzy vs Counter-stimulation with Audiovisual Distraction for Pain and Anxiety Control during Inferior Alveolar Nerve Block in Children: A Randomized Controlled Trial. J Contemp Dent Pract 2026;27(2):117-123.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"117-123"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effectiveness of Intracanal Medicament Removal in Root Canals Using Four Irrigation Techniques.","authors":"Diatri N Ratih, Rahmadani Puspitasari, Sri B Barunawati, Agrippina Hadi","doi":"10.5005/jp-journals-10024-4016","DOIUrl":"10.5005/jp-journals-10024-4016","url":null,"abstract":"<p><strong>Aim: </strong>This study aimed to evaluate the removal of nano-chitosan compared with calcium hydroxide as intracanal medicament using four irrigation techniques: Rotary file, sonic, passive ultrasonic irrigation (PUI), and CanalBrush.</p><p><strong>Materials and methods: </strong>Forty-four premolar teeth were used in this study and divided into two groups of 20 teeth each. Each group was then divided into four subgroups of five teeth each. All teeth were subjected to intracanal medicament application. Group I: Calcium hydroxide; group II: Nano-chitosan. Then, all teeth were placed in an incubator (37°C) for 7 days. Each group was then divided into subgroups based on the irrigation technique: Group A: Rotary file; group B: Sonic; group C: PUI; group D: CanalBrush. During removal of intracanal medicament, 2% sodium hypochlorite (NaOCl) was used as an irrigation solution. All teeth were sectioned longitudinally into two parts. Each part was observed under a stereo microscope at 16x magnification, 4 mm from the apical surface. The remnants of intracanal medicament were measured using Optilab Viewer version 4. The data were analyzed using a two-way ANOVA and the Tukey test at the 95% significance level.</p><p><strong>Results: </strong>The mean remnants of calcium hydroxide and nano-chitosan irrigated using rotary file were highest compared to other groups (<i>p</i> < 0.05). The remnants of calcium hydroxide in the root canal were higher than those with nano-chitosan, regardless of the irrigation technique used (<i>p</i> < 0.05). The remnants of either calcium hydroxide or nano-chitosan were the same as with PUI and CanalBrush (<i>p</i> > 0.05).</p><p><strong>Conclusion: </strong>None of these techniques can totally eliminate calcium hydroxide and nano-chitosan. CanalBrush and PUI had the highest effectiveness in eradicating calcium hydroxide and nano-chitosan from the root canal, followed by the sonic and rotary-file techniques.</p><p><strong>Clinical significance: </strong>The PUI and CanalBrush techniques were more effective in removing calcium hydroxide and nano-chitosan as intracanal medicaments than rotary and sonic techniques. How to cite this article: Ratih DN, Puspitasari R, Barunawati SB, <i>et al.</i> Effectiveness of Intracanal Medicament Removal in Root Canals Using Four Irrigation Techniques. J Contemp Dent Pract 2026;27(2):179-184.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"179-184"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Over-the-counter Whitening Products on Postbleaching Enamel Surface Roughness and Shade Recovery: An <i>In Vitro</i> Study.","authors":"Rocío Llancari-Alonzo, Jorge Manrique-Guzmán, Jorge Manrique-Chávez, Leonor Castro-Ramirez, Carlos López-Gurreonero, Alberto Cornejo-Pinto, César Cayo-Rojas","doi":"10.5005/jp-journals-10024-4029","DOIUrl":"10.5005/jp-journals-10024-4029","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Aim: &lt;/strong&gt;To evaluate the effect of over-the-counter (OTC) whitening products on postbleaching enamel surface roughness and the ability to recover the postbleaching shade after a standardized staining challenge under &lt;i&gt;in vitro&lt;/i&gt; conditions.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Materials and methods: &lt;/strong&gt;This experimental, longitudinal &lt;i&gt;in vitro&lt;/i&gt; study included 40 human enamel specimens. Specimens were subjected to bleaching with 35% hydrogen peroxide (HP) and then immersed in a purple-corn beverage at 37°C for 30 minutes every 24 hour for 28 days; the beverage was renewed daily. Specimens were randomly assigned to four equal groups (&lt;i&gt;n&lt;/i&gt; = 10) according to the OTC treatment: Group I, distilled water (control); group II, whitening strips (WS); group III, whitening mouthwash (WM); and group IV, WS + WM. Shade recovery was assessed using the CIEDE2000 color difference (ΔE&lt;sub&gt;00&lt;/sub&gt;) relative to the postbleaching reference shade, and surface roughness (Ra) was measured with a contact profilometer at baseline (post-staining, pre-OTC) and after the assigned OTC regimen. Statistical analyses included paired Student's &lt;i&gt;t&lt;/i&gt;-tests, MANOVA, and one-way between-groups ANOVA (&lt;i&gt;p&lt;/i&gt; &lt; 0.05).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;At baseline, no between-group differences were observed for Ra (&lt;i&gt;p&lt;/i&gt; = 0.893) or ΔE&lt;sub&gt;00&lt;/sub&gt; (&lt;i&gt;p&lt;/i&gt; = 0.304). After exposure, Ra increased significantly compared with control in WS (&lt;i&gt;p&lt;/i&gt; = 0.026), WM (&lt;i&gt;p&lt;/i&gt; = 0.002), and WS + WM (&lt;i&gt;p&lt;/i&gt; = 0.025), with no differences among the three OTC regimens (&lt;i&gt;p&lt;/i&gt; &gt; 0.05). Within groups, Ra increased in WS (+0.83 μm; &lt;i&gt;p&lt;/i&gt; &lt; 0.001), WM (+1.18 μm; &lt;i&gt;p&lt;/i&gt; = 0.001), and WS + WM (+0.72 μm; &lt;i&gt;p&lt;/i&gt; = 0.005), but not in the control (&lt;i&gt;p&lt;/i&gt; = 0.532). For ΔE&lt;sub&gt;00,&lt;/sub&gt; there were between-group differences (&lt;i&gt;p&lt;/i&gt; &lt; 0.001): WS + WM yielded the lowest values and differed from control, WS, and WM (all &lt;i&gt;p&lt;/i&gt; &lt; 0.05), while WS and WM did not differ from each other (&lt;i&gt;p&lt;/i&gt; &gt; 0.05). Within groups, ΔE&lt;sub&gt;00&lt;/sub&gt; decreased in WS (-14.62; &lt;i&gt;p&lt;/i&gt; &lt; 0.001), WM (-16.47; &lt;i&gt;p&lt;/i&gt; &lt; 0.001), and WS + WM (-21.19; &lt;i&gt;p&lt;/i&gt; &lt; 0.001), with no change in the control (&lt;i&gt;p&lt;/i&gt; = 0.292). A global multivariate effect of OTC whitening was detected [Wilks' Λ, &lt;i&gt;p&lt;/i&gt; &lt; 0.001; partial &lt;i&gt;η&lt;/i&gt;² (&lt;i&gt;η&lt;sub&gt;p&lt;/sub&gt;&lt;/i&gt;²) = 0.753], with a very large effect size for ΔE&lt;sub&gt;00&lt;/sub&gt; (&lt;i&gt;η&lt;sub&gt;p&lt;/sub&gt;&lt;/i&gt;² = 0.934) and a moderate one for Ra (&lt;i&gt;η&lt;sub&gt;p&lt;/sub&gt;&lt;/i&gt;² = 0.326).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusion: &lt;/strong&gt;Under &lt;i&gt;in vitro&lt;/i&gt; conditions, OTC whitening regimens increased enamel surface roughness and reduced color difference, with a larger effect on ΔE&lt;sub&gt;00&lt;/sub&gt; than on Ra. The combined regimen of strips and mouthwash produced the greatest reduction in ΔE&lt;sub&gt;00,&lt;/sub&gt; while Ra did not differ among OTC protocols. Longer-term randomized clinical trials are needed to determine the clinical relevance of these findings.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Clinical significance: &lt;/strong&gt;After profession","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"148-155"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Calibration Methods for Cone-beam Computed Tomography Gray Values: A Scoping Review and Critical Analysis.","authors":"Imad Barngkgei, Tahmeena Atiq","doi":"10.5005/jp-journals-10024-4023","DOIUrl":"10.5005/jp-journals-10024-4023","url":null,"abstract":"<p><strong>Aim: </strong>This review aimed to identify and critically analyze calibration methods used to improve the reliability of cone-beam computed tomography (CBCT)-derived gray values (GVs) for radiographic density (RD) assessment in dentistry.</p><p><strong>Background: </strong>Unlike multidetector computed tomography (MDCT), which uses standardized Hounsfield units (HUs), CBCT systems lack a universal standard for GV accuracy, limiting the reliability and comparability of GV-based measurements. No comprehensive review has systematically evaluated CBCT GV calibration methods.</p><p><strong>Review results: </strong>A PubMed search conducted on July 25, 2024, and updated on January 25, 2025, identified 2,242 articles. After applying predefined inclusion and exclusion criteria, 590 studies underwent full-text assessment, of which 473 were eligible. These studies were classified into four groups: Use of calibrated GV (group I; <i>n =</i> 52), assessment of GV validity (group II; <i>n =</i> 58), evaluation of factors influencing GV (group III; <i>n =</i> 19), and use of GV as a direct measurement tool without calibration (group IV; <i>n =</i> 341). Eight calibration approaches were identified from group I studies: (1) Relative density comparison between two regions, (2) correlation with another imaging modality, (3) use of calibration materials or liquids, (4) use of a single reference material, (5) application of conversion equations from previous studies, (6) conversion to an arbitrary scale, (7) specially designed calibration tools or techniques, and (8) combinations of methods. The most frequently used method was relative density comparison.</p><p><strong>Conclusion: </strong>Eight distinct CBCT GV calibration methods were identified. Among them, relative density comparisons, use of calibration materials, and correlation with alternative imaging modalities appear to provide the most reliable results. The use of uncalibrated GV measurements raises significant concerns regarding validity.</p><p><strong>Clinical significance: </strong>The direct use of CBCT GVs as quantitative measurements is unreliable, particularly for applications requiring absolute density assessment, such as osteoporosis screening or inter-patient bone density comparison. Calibrated GVs may provide clinically useful information in selected scenarios, including implant site evaluation, localized bone quality assessment, and longitudinal monitoring, especially when relative density-based approaches or calibration materials are used under standardized imaging conditions. How to cite this article: Barngkgei I, Atiq T. Calibration Methods for Cone-beam Computed Tomography Gray Values: A Scoping Review and Critical Analysis. J Contemp Dent Pract 2026;27(2):209-222.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"209-222"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147965021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>In Vitro</i> Evaluation of Surface Morphology and Roughness of TiO₂-coated Clear Aligners Using Scanning Electron Microscopy and Atomic Force Microscopy.","authors":"Shravani V Padmanabhan, Ashwin Kalathur Sridev, Veerasankar Sankaranarayanan, Ravindra K Jain, Manik Saswadkar, Laxmi B Arrabothu","doi":"10.5005/jp-journals-10024-3914","DOIUrl":"10.5005/jp-journals-10024-3914","url":null,"abstract":"<p><strong>Aim: </strong>The study aimed to characterize the surface morphology and evaluate the surface roughness of clear aligners (CAs) coated with titanium dioxide (TiO₂) nanoparticles.</p><p><strong>Materials and methods: </strong>In this <i>in vitro</i> study, thermoformed PETG samples (<i>n</i> = 20) were equally divided into TiO₂-coated and noncoated groups. Coated samples underwent TiO₂ nanoparticle deposition via radiofrequency (RF) magnetron sputtering. All samples were analyzed using scanning electron microscopy (SEM) for surface morphology, energy dispersive X-ray analysis (EDAX) for elemental composition, and atomic force microscopy (AFM) for surface roughness. Parameters assessed included average surface roughness (Ra), root mean square roughness (Rms), and mean peak height (mh). Statistical analysis was performed using SPSS v22.0; intergroup comparisons were made using the independent <i>t</i>-test.</p><p><strong>Results: </strong>Scanning electron microscopy images showed a uniform, crack-free TiO₂ coating in the coated group, while the control group lacked such features. Energy dispersive X-ray analysis confirmed the presence of titanium and oxygen in the coated samples only. Atomic force microscopy results revealed significantly lower surface roughness values in the coated group: Ra (5.17 ± 1.28 nm), Rms (6.77 ± 1.62 nm), mh (36.11 ± 9.27 nm) compared to the control: Ra (11.96 ± 5.80 nm), Rms (14.72 ± 6.30 nm), mh (51.00 ± 7.42 nm) (<i>p</i> < 0.05).</p><p><strong>Conclusion: </strong>Titanium dioxide-coated aligners demonstrated reduced surface roughness and improved surface morphology over non-coated aligners.</p><p><strong>Clinical significance: </strong>Titanium dioxide nanoparticle coating may enhance the clinical performance of CAs by improving surface quality and reducing potential bacterial adhesion. How to cite this article: Padmanabhan SV, Kalathur Sridev A, Sankaranarayanan V, <i>et al. In Vitro</i> Evaluation of Surface Morphology and Roughness of TiO₂-coated Clear Aligners Using Scanning Electron Microscopy and Atomic Force Microscopy. J Contemp Dent Pract 2026;27(2):124-129.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"124-129"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biomechanical Impact of Design Variables in Morse Taper Implant-Abutment Connections: A Scoping Review.","authors":"Matheus F Lourenço, Erik Blom, Cornelis Kleverlaan, João Pm Tribst","doi":"10.5005/jp-journals-10024-4034","DOIUrl":"10.5005/jp-journals-10024-4034","url":null,"abstract":"<p><strong>Aim: </strong>Morse taper implant-abutment connections (IACs) are increasingly used in implant dentistry because of their mechanical stability and effective biological sealing. However, significant variation in geometric design among manufacturers may influence their biomechanical performance.</p><p><strong>Background: </strong>This scoping review aimed to map the current evidence on how design variables affect the mechanical behavior of Morse taper connections.</p><p><strong>Review results: </strong>A comprehensive search was conducted in PubMed, Scopus, and Web of Science up to July 2025, following Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews (PRISMA-ScR) guidelines. Study selection was performed independently by two reviewers, with data charted and synthesized descriptively in accordance with predefined design parameters. <i>In vitro</i> and finite element analysis studies assessing design-related mechanical outcomes were included. Eleven studies met the inclusion criteria and were analyzed according to four main parameters: Taper angle, antirotational feature, cone angle mismatch, and central screw geometry. Narrow taper angles (≈5°-11.5°) improved frictional retention, while larger angles (>16°) promoted better stress distribution and reduced screw loosening. Indexed connections facilitated alignment and antirotational control but decreased flexural strength. Controlled cone angle mismatches between 0.15° and 0.25° optimized sealing and mechanical stability. Central screw geometry also influenced preload and fatigue resistance, with flatter designs achieving better fatigue behavior but generating less frictional locking force.</p><p><strong>Conclusion: </strong>The biomechanical performance of Morse taper implant systems depends on the interplay of multiple design factors. Taper geometry, indexing configuration, and screw design were identified as key determinants. Further research is needed to validate these findings and support the development of standardized and optimized Morse taper connections.</p><p><strong>Clinical significance: </strong>Key design features of Morse taper IACs influence joint stability, stress distribution, and microgap resistance. Understanding these factors can help clinicians choose implant systems more appropriately for different clinical situations and improve long-term mechanical reliability. How to cite this article: Lourenço MF, Blom E, Kleverlaan C, <i>et al.</i> Biomechanical Impact of Design Variables in Morse Taper Implant-Abutment Connections: A Scoping Review. J Contemp Dent Pract 2026;27(2):201-208.</p>","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"201-208"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical Assessment of Teeth Restored with Ultra-translucent Multilayered Zirconia vs Lithium Disilicate Laminates-18-month Follow-up: A Randomized Controlled Trial.","authors":"Mahmoud A Elkady, Maha A Taymour, Eman M Anwar","doi":"10.5005/jp-journals-10024-4020","DOIUrl":"10.5005/jp-journals-10024-4020","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Aim: &lt;/strong&gt;The purpose of this study was to assess the clinical performance of recently introduced multilayered ultra-translucent zirconia as a laminate veneer material lithium disilicate laminate veneers in terms of modified United States Public Health Service (USPHS) criteria for assessing dental restorations.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Materials and methods: &lt;/strong&gt;The minimum estimated sample size was 21 veneers. The sample size was increased to 26 veneers (13 veneers per group) to compensate for a dropout rate of 25%. Healthy patients with normal occlusion and with no parafunctional habits, severe discoloration or rotation, and having sufficient sound enamel thickness, who met the inclusion criteria, were randomly assigned to two groups. In the intervention group, 16 laminates were fabricated from ultra-translucent multilayered (UTML) zirconia. In the control group, 16 laminates were fabricated from lithium disilicate. All preparations were confined to the enamel with chamfer finish line and butt-joint incisal margins. Zirconia veneers were sandblasted and surface-treated with zirconia primer. Acid-etched lithium disilicate veneers were surface-treated with ceramic primer. Both groups were adhesively cemented to the tooth structure with light-cured resin cement. Veneers were assessed immediately after cementation and at 3, 6, 12, and 18 months. United States Public Health Service criteria were used to evaluate each veneer, where retention was specified as the primary outcome. The secondary outcome was the restoration of integrity. The third outcome was color match, and marginal adaptation of the restoration was determined to be the fourth outcome. Data were recorded and statistically analyzed.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;Results of multiple follow-ups over 18 months were analyzed using Fisher's exact test for statistical comparison and showed no statistically significant difference between the two groups. Results of retention at baseline showed that both groups had identical 100% Alpha scores. At 3 months, the lithium disilicate group maintained consistent Alpha scores (100%), while UTML zirconia showed a slight decrease with 93.7% Alpha and 6.3% Bravo scores, with no significant difference between groups (&lt;i&gt;p =&lt;/i&gt; 0.31). At 6 months, the lithium disilicate group maintained consistent Alpha scores (100%), while UTML zirconia declined to 81.3% Alpha and 18.7% Bravo scores with an insignificant difference between groups (&lt;i&gt;p =&lt;/i&gt; 0.069). Finally, after 12 and 18 months, both groups had identical 100% Alpha scores. Regarding restoration integrity, color matching, and marginal adaptation, both groups recorded Alpha scores throughout the entire follow-up intervals.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusion: &lt;/strong&gt;Although the lithium disilicate group showed better retention results, no significant difference was found in retention, color stability, restoration integrity, and marginal adaptation between the groups.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Clinical significance","PeriodicalId":35792,"journal":{"name":"Journal of Contemporary Dental Practice","volume":"27 2","pages":"105-116"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147964956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}