Oral health & preventive dentistry最新文献

{"title":"Association Between Serum Vitamin D Levels and Periodontal Conditions According to Sleep Duration Using Data from Korea National Health and Nutrition Examination Survey.","authors":"Hyo-Jin Lee, Soo-Myoung Bae, Sun-Jung Shin, Bo-Mi Shin","doi":"10.3290/j.ohpd.b5795657","DOIUrl":"10.3290/j.ohpd.b5795657","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to investigate the association between vitamin D levels and periodontitis according to sleep duration in a representative sample of Korean adults.</p><p><strong>Materials and methods: </strong>A total of 3535 subjects who participated in the sixth (2013-2014) Korea National Health and Nutrition Examination Survey were examined. Vitamin D deficiency was defined as a 25-hydroxyvitamin D serum concentration of 20 ng/ml. Periodontal status was assessed with the community periodontal index (CPI). A high CPI was defined as a score ≥ 3. Multivariable logistic regression analyses were adjusted for sociodemographic variables, oral and general health behaviors, and systemic health status. All analyses used a complex sampling design, and a subgroup analysis was performed to determine estimates following stratification for sleep duration (≤ 5, 6, 7-8, and ≥ 9 h per day).</p><p><strong>Results: </strong>Multivariable regression analysis indicated that among participants who slept for ≥ 9 h per day, those with vitamin D deficiency were 5.51 times (95% confidence interval = 2.04-14.89) more likely to have periodontitis than those with sufficient vitamin D levels. This association was not statistically significant in the other sleep duration groups.</p><p><strong>Conclusion: </strong>The findings of this study indicate that people with vitamin D deficiency who sleep 9 h or longer may also be statistically significantly more likely to have periodontitis.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"541-546"},"PeriodicalIF":1.4,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619844/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The 2018 Classification of Periodontal Diseases: An Observational Study on Inter-examiner Agreement among Undergraduate Students.","authors":"Majed K Alshehri, Nujud Alamry, Shatha Subhi AlHarthi, Munerah Saleh BinShabaib, Ghaida Alkheraif, Mona Alzahrani, Raghad Bin Rubaian, Shikhah Binnjefan","doi":"10.3290/j.ohpd.b5795649","DOIUrl":"10.3290/j.ohpd.b5795649","url":null,"abstract":"<p><strong>Purpose: </strong>The objective of the present observational study was to assess the inter-examiner agreement for the diagnosis of periodontitis using the 2018 CPD among fourth and fifth year undergraduate students. It is hypothesised that there is no difference in the inter-examiner relaibility between fourth- and fifth-year undergraduate students regarding staging and grading periodontal disease using the 2018 Classification of Periodontal Diseases (CPD).</p><p><strong>Materials and methods: </strong>All participants received training on the 2018 CPD scheme through a mandatory periodontics course conducted by a periodontist. Documentation for seven deidentified periodontitis patients, comprising medical history, dental history including tooth loss, intra-oral photographs and radiographs, periodontal charts reporting probing depth, plaque and bleeding on probing scores, furcation involvement and clinical attachment loss, was sent via e-mail to undergraduate students. The cases consisted of one sextant, and the participants were instructed to assume the sextant to be a true representation of the entire dentition. Power analysis was done on pilot data, and the level of significance was set at p0.05.</p><p><strong>Results: </strong>The percentage of undergraduate students in the fourth and fifth year that correctly identified the stage of periodontitis according to the 2018 CPD ranged between 28% and 72% and 18.5% and 77.8%, respectively. The percentage of undergraduate students in the fourth and fifth year that correctly identified the grade of periodontitis ranged between 40% and 88% and 51.8% and 92.5%, respectively. The overall staging and grading ranged between 22.8% and 74.1%, and 45.66% and 87.4%, respectively. There was no statistically significant difference between fourth- and fifth-year undergraduate students with regards to assigning the correct diagnoses to case documentation in terms of either stage or grade.</p><p><strong>Conclusion: </strong>Fourth- and fifth-year undergraduate students demonstrated high inter-examiner agreement using the 2018 CPD.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"519-524"},"PeriodicalIF":1.4,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619932/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study on the Mechanism of Nd:YAG Laser-Assisted Therapy on the Changes of Subgingival Flora in Periodontitis.","authors":"Yuhang Xie, Yi Peng, Ting Zhou, Shaowen Lu, Jianhua Wu","doi":"10.3290/j.ohpd.b5795663","DOIUrl":"10.3290/j.ohpd.b5795663","url":null,"abstract":"<p><strong>Purpose: </strong>This study evaluated the therapeutic efficacy of combining Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) laser with subgingival curettage and root planing (SRP) in generalised stage III/grade C periodontitis patients and its effects on cytokine dynamics and microbial community.</p><p><strong>Materials and methods: </strong>Fifteen patients diagnosed with stage III/grade C periodontitis were included in the cohort. The right and left sides of the mouth were randomly assigned either the conventional SRP (control) group or the SRP supplemented with Nd:YAG laser group (experimental group, 160 mJ, 4 W) in a split-mouth design. Clinical periodontal indices were recorded at baseline and at the 6-week follow-up post-treatment. ELISA was utilised to measure IL-1β and TNF-α levels in gingival crevicular fluid. The subgingival microbiota's composition and variations were characterised using 16S rDNA amplicon sequencing, while quantitative real-time polymerase chain reaction (qRT-PCR) was employed to analyse the changes in the red-complex bacteria in subgingival plaque.</p><p><strong>Results: </strong>The SRP&#43;Nd group exhibited a statistically significant reduction in record probing depth (PD) and bleeding on probing (BOP) compared to the SRP group after treatment (p0.05). The SRP&#43;Nd group showed a markedly lower IL-1β level than the SRP group (p0.05). Furthermore, there was no statistically significant difference in the dominant subgingival microbiota composition and level of the red-complex bacteria between the two groups (p>0.05).</p><p><strong>Conclusion: </strong>The adjunctive use of Nd:YAG laser with SRP demonstrates promising short-term therapeutic benefits for patients with extensive stage III/grade C periodontitis. Both SRP as a standalone treatment and its combination with Nd:YAG laser effectively facilitate a transition in the dominant bacterial community from periodontitis-associated to periodontal health-associated microbiota.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"547-556"},"PeriodicalIF":1.4,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619827/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Daily Probiotic Ayran Intake Reduces Gingival Inflammation: An Experimental Gingivitis Study.","authors":"Bahar Alkaya, Mehmet Cenk Haytac, Mustafa Özcan, Onur Uçak Türer, Hamza Gökhan Kayhan, Furkan Demirbilek, Wim Teughels","doi":"10.3290/j.ohpd.b5784693","DOIUrl":"10.3290/j.ohpd.b5784693","url":null,"abstract":"<p><strong>Purpose: </strong>This study investigates the effects of daily consumption of a probiotic ayran drink on gingival inflammation and the development of experimental gingivitis.</p><p><strong>Materials and methods: </strong>This randomised, double-blind, placebo-controlled trial involved 54 volunteer students. The participants were randomly assigned to two groups: the control group received regular ayran for 42 days, while the test group received probiotic enriched ayran (including Lactobacillus acidophilus and Bifidobacterium bifidum) for 42 days twice a day. After 42 days, mechanical plaque control was stopped for 5 days. The plaque index (PI), gingival index (GI), probing bleeding (BOP), and probing depth (PPD) were measured at baseline, day 42, and day 47. At the same time, gingival crevicular fluid was taken for matrix metalloproteinase-8 examination.</p><p><strong>Results: </strong>The mean scores of BOP, GI, PI, and MMP-8 levels increases in both groups following the 5-day experimental gingivitis period compared to baseline and day 42. Patients using probiotic ayran had significantly less PI, GI, BOP scores and MPP-8 values (p &#61; 0.002; p 0.001; p 0.001; p &#61; 0.001; p &#61; 0.001, respectively) at day 47 compared to the control group. No statistically significant differences in probing pocket depth (PPD) were observed at any time point.</p><p><strong>Conclusion: </strong>The present study suggests that daily consumption of a probiotic ayran drink containing Lactobacillus acidophilus and Bifidobacterium bifidum statistically significantly lowers clinical and immunological markers of gingival inflammation.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"511-518"},"PeriodicalIF":1.4,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619859/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship Between Low Education and Poor Periodontal Status among Mexican Adults Aged ≥50 Years.","authors":"Alvaro García Pérez, Jacqueline Adelina Rodríguez Chávez, Kathia Guadalupe Rodríguez González, Juan Carlos Cuevas González, Teresa Villanueva Gutiérrez, Laura Bárbara Velázquez-Olmedo, Alejandra Moreno Altamirano","doi":"10.3290/j.ohpd.b5779170","DOIUrl":"10.3290/j.ohpd.b5779170","url":null,"abstract":"<p><strong>Purpose: </strong>To examine the association between educational level and the presence of periodontal disease in adults ages ≥ 50 years in Mexico.</p><p><strong>Materials and methods: </strong>A cross-sectional study was conducted on 2098 Mexican adults, using data from the annual reports of the Epidemiological Monitoring System for Oral Pathologies from 2019-2022. Data were collected on sociodemographic characteristics such as gender, age, educational level, oral hygiene, and diabetes. Periodontal status was evaluated using the Community Periodontal Index (CPI) and was classified into: CPI &#61; 0 (healthy); CPI &#61; 1 (bleeding on probing); CPI &#61; 2 (calculus); and CPI &#61; 3 or 4 (pocket depth ≥ 4 mm). A multinomial regression model was used to estimate the odds ratio (OR) and the 95% confidence intervals (CI), using periodontal status as the result.</p><p><strong>Results: </strong>39.9% of subjects presented periodontal pockets of ≥ 4 mm, 20.8% presented calculus, and 12.8% presented bleeding, while only 26.4% were classified as healthy. A low level of education (≤ 9 years) (OR &#61; 4.84; p 0.001), age ≥ 65 years (OR &#61; 1.33; p &#61; 0.025), poor oral hygiene (OR &#61; 6.86; p 0.001), smoking (OR &#61; 1.51; p &#61; 0.025), and diabetes (OR &#61; 1.73; p 0.001) were statistically significantly associated with the presence of periodontal pockets ≥ 4 mm.</p><p><strong>Conclusions: </strong>A low level of education is associated with worse periodontal status in adults aged 50 years or more. These findings reiterate the importance of implementing effective strategies and the incorporation of interventions for improving the access to and quality of services targeted at aging communities.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"495-502"},"PeriodicalIF":1.4,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619841/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Comparison of Traditional Chinese Medicine and Multiple Conventional Therapy in Treating Oral Lichen Planus: A Network Meta-analysis.","authors":"Hoilun Chu, Yanting Ip, Guilin Yang","doi":"10.3290/j.ohpd.b5779166","DOIUrl":"10.3290/j.ohpd.b5779166","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate and compare the efficacy of seven conventional treatments and traditional Chinese medicine (TCM) combined therapies for oral lichen planus.</p><p><strong>Materials and methods: </strong>This study employs PubMed, Web of Science, Cochrane Library, and Cnki to collect studies. After evaluating the quality and bias risk, RevMan 5.4.1 and R Gemtc package was utilised with a visual analogue scale and side effects as outcomes, to compare the efficacy of the seven treatments.</p><p><strong>Results: </strong>This study included 20 studies, with a sample size of 1669. Our results suggest that photodynamic therapy and TCM demonstrate the most significant decrease in visual analogue scale and the rank is as follows: photodynamic therapy > TCM > TCM combined with non-hormonal immunosuppressive drugs > TCM combined with glucocorticoids > chloroquine combined with glucocorticoids > non-hormonal immunosuppressive drugs > glucocorticoids. Among them, compared to glucocorticoids, photodynamic therapy (-1.55, 95% CI: (-3.09, -0.02)), TCM (-1.25, 95% CI: (-2.46, -0.06)) significantly outperform in statistics. Moreover, no side effects were reported by the photodynamic therapy treatment. In the comparison with non-hormonal immunosuppressive drugs, the result indicates TCM (-4.17, 95% CI (-8.24, -0.34)), glucocorticoids (-2.78, 95% CI (-5.69, -0.17)) and their combination (-2.83, 95% CI (-5.93, -0.05)) have a significantly lower probability of the appearance of side effects.</p><p><strong>Conclusion: </strong>This study indicates that TCM, from the perspectives of efficacy and the likelihood of side effects, outperforms all other common therapies, besides photodynamic therapy, in treating oral lichen planus.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"487-494"},"PeriodicalIF":1.4,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619877/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association Between the Risk of Dental Caries and DLX3 Gene Polymorphisms in Chinese Children.","authors":"Fang Li, Shusen Xu","doi":"10.3290/j.ohpd.b5779176","DOIUrl":"10.3290/j.ohpd.b5779176","url":null,"abstract":"<p><strong>Purpose: </strong>To explore the association between the risk of dental caries and distal-less homeobox 3 (DLX3) gene in Chinese children.</p><p><strong>Materials and methods: </strong>Based on the decayed, missing, and filled teeth (dmft) score, the children were divided into a control group (dmft &#61; 0) and a case group (dmft ≥ 1). DLX3 gene (rs11656951 and rs2278163) polymorphisms were genotyped by polymerase chain reaction (PCR) and Sanger sequencing methods. Possible association of DLX3 gene (rs11656951 and rs2278163) polymorphisms with dental caries risk was assessed using the chi-squared test. Subgroup analysis of association was assessed by logistic regression analysis for the potential risk factors.</p><p><strong>Results: </strong>The age at which toothbrushing was started, the brushing frequency, brushing with fluoride toothpaste, and regular dental visits were statistically significantly different between case and control groups (p 0.05). The frequencies of rs11656951 TT genotype and T allele were statistically significantly higher in the control group than in the case group. The chi-squared test showed that CT genotype (p &#61; 0.026, OR &#61; 0.613, 95%CI &#61; 0.398-0.944) and TT genotype (p &#61; 0.001, OR &#61; 0.378, 95%CI &#61; 0.212-0.673) were negatively correlated with caries susceptibility. The T allele of rs11656951 was more frequently discovered in the control group, and was statistically significantly associated with decreased caries susceptibility (p &#61; 0.001, OR &#61; 0.636, 95%CI &#61; 0.486-0.831). The G allele of rs2278163 was obviously correlated with elevated caries susceptibility (p &#61; 0.049, OR &#61; 1.314, 95%CI &#61; 1.000-1.725). DLX3 gene rs11656951 TT genotype was a protective factor for caries susceptibility in the subgroups gender, sweets intake, eating before sleep, brushing frequency, brushing with fluoride toothpaste, and dental visits. The GG genotype of rs2278163 was a risk factor for caries in subgroups eating before sleep, brushing without fluoride toothpaste, and regular dental. The TT genotype of rs11656951 was dramatically correlated with reduced caries risk in low (p &#61; 0.004, OR &#61; 0.387, 95%CI &#61; 0.202-0.742) and moderate/high (p &#61; 0.016, OR &#61; 0.360, 95%CI &#61; 0.154-0.840) groups.</p><p><strong>Conclusion: </strong>DLX3 gene rs11656951 TT genotype is a protective factor and rs2278163 GG genotype is a risk factor for caries susceptibility, especially in low and moderate/high subgroups.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"503-510"},"PeriodicalIF":1.4,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619898/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Self-monitoring of Oral Health Using Smartphone Selfie Powered by Artificial Intelligence: Implications for Preventive Dentistry.","authors":"Reinhard Chun-Wang Chau, Khaing Myat Thu, Richard Tai-Chiu Hsung, Colman McGrath, Walter Yu-Hang Lam","doi":"10.3290/j.ohpd.b5758200","DOIUrl":"10.3290/j.ohpd.b5758200","url":null,"abstract":"<p><strong>Purpose: </strong>With the increasing use of artificial intelligence (AI) in dentistry, it is feasible to self-monitor oral health using Oral Health AI Advisors (OHAI Advisors). This technological advancement offers the potential for early detection of oral diseases and facilitates early prevention. This systematic review aimed to evaluate the effectiveness of OHAI Advisors as a tool in preventive dentistry for the general population.</p><p><strong>Materials and methods: </strong>Standardised searches were performed and screened across four electronic databases. The primary outcomes were changes in clinical and behavioural measures, and evidence was synthesised. The quality of the included studies was assessed.</p><p><strong>Results: </strong>The initial search identified 1639 articles, 64 full texts were reviewed, and four studies were included in the analyses. Qualitative synthesis revealed that short-term use of OHAI Advisors, for up to 6 months, statistically significantly reduced plaque and gingival index scores. Combining OHAI Advisors with verbal counseling enhanced their effectiveness. No studies investigated effects on oral health awareness, behavioural changes, or adherence to regular practice. The risk of bias in the included studies was moderate to low.</p><p><strong>Conclusion: </strong>OHAI Advisors appear to be effective for short-term oral hygiene maintenance. Further research is necessary to determine the preventive capability, focusing on assessing long-term outcomes on oral health and any changes in oral health behaviour.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"327-340"},"PeriodicalIF":1.4,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142292849","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":"Does Non-surgical Periodontal Therapy With Adjunct Antimicrobial Photodynamic Therapy Help Reduce Periodontal Inflammation and Haemoglobin A1c Levels in Patients With Type-2 Diabetes Mellitus? A Systematic Review and Meta-analysis.","authors":"Munerah S BinShabaib","doi":"10.3290/j.ohpd.b5750814","DOIUrl":"10.3290/j.ohpd.b5750814","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of the present systematic review and meta-analysis was to assess the efficacy of non-surgical periodontal therapy (NSPT) with adjunct photodynamic therapy (aPDT) in reducing periodontal inflammation and haemoglobin A1c (HbA1c) levels in patients with diabetes mellitus (DM).</p><p><strong>Materials and methods: </strong>The focused question was 'Does NSPT with adjunct aPDT help reduce periodontal inflammation and HbA1c levels in patients with DM?' The PICO (patient/population, intervention, comparison and outcomes) was formatted as follows: Patients (P): Participants diagnosed with DM; Intervention (I): NSPT with adjunct PDT for the treatment of periodontitis; Control (C): NSPT alone or NSPT with adjunct systemic antibiotic therapy; and Outcome (O): Changes in HbA1c levels. The inclusion criteria comprised RCTs specifically evaluating the impact of NSPT on HbA1c levels in diabetic patients, with a specific focus on interventions involving NSPT with and without adjunct aPDT. The literature search was performed in accordance with the Preferred reporting items for systematic reviews and meta-analysis. Indexed databases were searched without time and language restrictions using various keywords. Forest plots were created to illustrate the effects of the different studies and the global estimation.</p><p><strong>Results: </strong>Five RCTs were included and processed for data extraction. The number of participants ranged from 12 to 45 patients with medically diagnosed type-2 DM. In all RCTs, aPDT was done using a diode laser with wavelengths ranging between 660 and 810 nm. Three and two RCTs had moderate and high RoB, respectively. In two RCTs, NSPT with adjunct aPDT reported no improvement in clinical periodontal parameters. Two studies reported that NSPT with adjunct aPDT significantly reduces periodontal probing depth compared to NSPT alone. Four of the five RCTs reported that NSPT+PDT does not influence HbA1c levels.</p><p><strong>Conclusions: </strong>NSPT with or without adjunct aPDT does not affect HbA1c levels in patients with type-2 DM.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"479-486"},"PeriodicalIF":1.4,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619874/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142292846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of Colour Changes in Nanocomposite-Based Bulk-Fill and Universal Composite Using Different Polishing Systems.","authors":"Ezgi Eroğlu Çakmakoğlu, Metin Bakir","doi":"10.3290/j.ohpd.b5740315","DOIUrl":"10.3290/j.ohpd.b5740315","url":null,"abstract":"<p><strong>Purpose: </strong>Resins composites are widely used in modern dentistry because of their aesthetic and physical properties. However, discoloration of anterior tooth restorations is a common complaint. Understanding the factors affecting the colour stability of resin composites can lead to longer-lasting repairs. This study aimed to evaluate and compare the colour changes of nanocomposite-based bulk-fill and universal resin composites after immersion in coffee using various polishing systems.</p><p><strong>Materials and methods: </strong>A total of 160 samples were prepared using four different composite groups, with 40 pieces for each combined group. Based on the finishing procedure, the samples were divided into four subgroups for each composite group. Three different polishing procedures were applied to the samples according to the manufacturer's instructions. The control group was not subjected to any treatment. Initial colour measurements were performed using a VITA Easyshade V spectrophotometer. After the initial measurements, the samples were immersed in a Nescafe coffee solution for seven days, followed by colour measurements. Data were analysed using the Kolmogorov-Smirnov test and two-way analysis of variance. Tukey's honest significant difference (HSD) test was used to determine differences between subgroups.</p><p><strong>Results: </strong>The results indicate that bulk-fill resins exhibit more discolouration than universal composites; however, this difference was not statistically significant. The resin group with the smallest discolouration was Ceram X, and the most effective polishing method was Twist polishing.</p><p><strong>Conclusion: </strong>Final surface polishing significantly reduced the composites' discolouration. These findings support the selection of appropriate materials and polishing techniques to achieve aesthetic outcomes and colour stability in dental restorations.</p>","PeriodicalId":19696,"journal":{"name":"Oral health & preventive dentistry","volume":"22 ","pages":"459-464"},"PeriodicalIF":1.4,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619822/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142292848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}