{"title":"Examining the Financial Paradox of Dental Insurance: Higher Out-of-Pocket Costs for Individuals Without Private Health Insurance?","authors":"Travis Loux, Firas Bafegeeh, Echu Liu, Noel Raybon","doi":"10.1111/jphd.12681","DOIUrl":"https://doi.org/10.1111/jphd.12681","url":null,"abstract":"<p><strong>Objectives: </strong>This study seeks to investigate the relationship between private dental insurance coverage and out-of-pocket expenses among financially vulnerable populations.</p><p><strong>Methods: </strong>Data from the 2022 Medical Expenditures Panel Survey (MEPS) were analyzed to compare out-of-pocket costs between individuals with and without private dental insurance. Focusing on individuals without private health insurance, MEPS participants with dental insurance are matched to participants without dental insurance using full optimal matching on the propensity score. The outcomes measured include average out-of-pocket dental care costs, incidence of any dental costs, and average out-of-pocket costs among those incurring non-zero dental costs.</p><p><strong>Results: </strong>Matched analyses show higher out-of-pocket costs ($386, 95% CI: -169, 603) and a higher likelihood of utilizing dental care (OR 5.00, 95% CI: 3.62, 6.90) among individuals with private dental care. Higher out-of-pocket costs hold but lose statistical significance when limiting analyses to those with any dental costs ($115, 95% CI: -184, 415).</p><p><strong>Conclusions: </strong>Individuals with private dental care pay more out-of-pocket costs than those without private dental care, even when accounting for confounding demographic and socioeconomic factors. High costs of dental care, with or without insurance, remain a barrier to dental care among those without private health insurance.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144121789","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}
Aachal Devi, Donna Kritz-Silverstein, Lourdes S Martinez, Jerel P Calzo, David R Strong, Kristin S Hoeft, Tracy L Finlayson
{"title":"Factors Associated With Oral Hygiene Practices Among Young Mexican-Identifying Southern Californians.","authors":"Aachal Devi, Donna Kritz-Silverstein, Lourdes S Martinez, Jerel P Calzo, David R Strong, Kristin S Hoeft, Tracy L Finlayson","doi":"10.1111/jphd.12677","DOIUrl":"10.1111/jphd.12677","url":null,"abstract":"<p><strong>Purpose: </strong>To examine factors associated with oral hygiene behaviors among young Mexican-identifying adults.</p><p><strong>Methods: </strong>Survey data from 340 Mexican-identifying adults aged 21-40 years residing in US-Mexico border regions in California were analyzed. Outcomes included the frequency of toothbrushing and flossing in the last 7 days. Independent variables included predisposing sociodemographic characteristics (age, sex at birth, marital status, education, place of birth, language preference), predisposing beliefs (perceived oral health importance, self-reported oral health status), enabling factors (dental insurance, usual source of care, dental visit in last year), needs (perceived current dental care need), and external environment (COVID-19 impact). Negative binomial regression analyses examined associations after controlling for covariates.</p><p><strong>Results: </strong>Approximately half the participants were female (57%), single (54%), and preferred Spanish language (48%). Mean participant age was 29.6 ± 5.7 years. Toothbrushing frequency was greater for those who were US-born versus foreign-born (incidence rate ratio [IRR] = 1.16, CI = 1.03-1.28), those who had a dental visit in the past year versus more than a year ago (IRR = 1.15, CI = 1.03-1.28), and higher with increasing oral health importance ratings (IRR = 1.04, CI = 1.01-1.06). Flossing frequency was greater for those who had a past year dental visit versus more than a year ago (IRR = 1.79, CI = 1.37-2.33).</p><p><strong>Conclusion: </strong>Improving perceptions of oral health importance and encouraging dental visits could enable increased oral hygiene behaviors among young Mexican-American identifying adults.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144096474","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":"Investigating the Association Between Parental Paid Sick Leave Benefit and Children's Dental Care Utilization.","authors":"Rashmi Lamsal, Shillpa Naavaal","doi":"10.1111/jphd.12674","DOIUrl":"https://doi.org/10.1111/jphd.12674","url":null,"abstract":"<p><strong>Objective: </strong>The purpose of this research is to examine the association between paid sick leave (PSL) benefit for employed parents and their child's dental care utilization, including preventive, diagnostic, and treatment services.</p><p><strong>Methods: </strong>Using pooled data from the 2017-2019 Medical Expenditure Panel Survey, we created a dyadic observational unit linking children aged 0-17 years with their parents (n = 7652) specifically focusing on the younger children of employed parents. Descriptive statistics and a multivariate logistic regression model were employed to examine the association between parental PSL benefit and child dental care utilization, accounting for various child and parent level covariates. All analyses were adjusted for complex survey design, and survey weights were used to get national estimates.</p><p><strong>Results: </strong>Seventy-six percent of children had at least one employed parent with PSL benefit in 2017-19. Among them, 44% of children had preventive visits, 45% had diagnostic visits, and 17% had treatment visits. The adjusted logistic regression analysis showed that children with parental PSL benefit had higher odds of having preventive dental visits (odds ratio [OR] 1.18, 95% confidence interval [CI] 1.01-1.38) and diagnostic visits (OR 1.20, 95% CI 1.03, 1.41) compared with children without parental PSL benefit.</p><p><strong>Conclusion: </strong>Parental PSL benefit was associated with augmenting the use of preventive and diagnostic dental care visits among children. Collaboration among policymakers, employers, and dental providers is essential to address disparities in children's dental services utilization and support PSL policies for working parents.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144049833","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":"Mapping the \"X\" Debate: Water Fluoridation Sentiment Analysis With Advanced Machine Learning.","authors":"Nilesh Torwane, Ratilal Lalloo, Diep Ha, Loc Do","doi":"10.1111/jphd.12669","DOIUrl":"https://doi.org/10.1111/jphd.12669","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to examine public sentiment regarding community water fluoridation (CWF) using data from \"X\" (formerly Twitter) over the past decade. The goal was to understand public opinion trends and identify opportunities for targeted public health communication.</p><p><strong>Methods: </strong>We conducted a sentiment analysis utilizing a natural language processing technique. Specifically, we applied the Sentiment Intensity Analyzer tool to classify tweets related to CWF into negative, positive, or neutral categories. Additionally, a word co-occurrence network analysis was performed to explore key discussion themes. We also compared machine learning models to assess their accuracy in classifying tweet sentiments.</p><p><strong>Results: </strong>Analysis of the tweets revealed a balanced distribution of sentiments: 37.4% negative, 34.4% positive, and 28.2% neutral. Peaks in public engagement occurred between 2015 and 2016, with a subsequent decline after 2018. Sentiment spikes were often associated with significant events, including policy changes and media coverage. The word co-occurrence network highlighted recurring themes related to safety and dental health. Among the machine learning models evaluated, Logistic Regression demonstrated the highest accuracy in sentiment classification.</p><p><strong>Conclusions: </strong>Our findings highlight the polarized nature of public sentiment toward CWF and the temporal fluctuations in public engagement. These insights can inform public health policymakers in developing timely, targeted communication strategies. Specifically, efforts to engage neutral audiences through transparent messaging and counter misinformation during key periods may strengthen public trust in CWF. The application of machine learning in this analysis underscores its value in enhancing real-time monitoring and supporting evidence-based public health strategies.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144046323","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}
Leah I Leinbach, Xiaobai Li, Timothy Iafolla, Hosam Alraqiq
{"title":"Pharmacologic Management of Non-Traumatic Dental Conditions in US Emergency Departments, 2018-2022.","authors":"Leah I Leinbach, Xiaobai Li, Timothy Iafolla, Hosam Alraqiq","doi":"10.1111/jphd.12668","DOIUrl":"https://doi.org/10.1111/jphd.12668","url":null,"abstract":"<p><strong>Objective: </strong>This study examines opioid and antibiotic prescribing by United States emergency departments (EDs) for non-traumatic dental conditions (NTDCs) between 2018 and 2022.</p><p><strong>Methods: </strong>This is a secondary analysis of nationally representative ED visits using the National Hospital Ambulatory Medical Care Survey (NHAMCS) with an NTDC as the primary discharge diagnosis. Descriptive statistics and odds ratios using chi-squared testing and multivariable logistic regression were used to examine analgesic and antibiotic prescriptions, as well as patient, visit, and hospital characteristics.</p><p><strong>Results: </strong>There were 1,838,729 weighted ED visits for NTDCs between 2018 and 2022, 1.3% of all visits. Findings demonstrate a continued decline in NTDC visits resulting in an opioid, with an increase in those with non-opioids. Overall, 25% of NTDC visits included an opioid analgesic in 2022, compared to 33% in 2018. The proportion of visits with non-opioid analgesics increased over the study period; nearly 60% of NTDCs seen in 2020 included a non-opioid analgesic. Overall, 63% included an antibiotic, with the highest proportion observed in 2020 (70%). No increase in the proportion of ED visits for NTDCs was seen between the pandemic years (2020-2022) and the pre-pandemic period (2018-2019).</p><p><strong>Conclusions: </strong>Antibiotics and non-opioid analgesics were a common approach used by ED providers during the pandemic years. Opioid prescriptions for NTDCs declined between 2018 and 2022, while antibiotic prescriptions remained roughly stable. Reducing avoidable opioid and antibiotic prescriptions, and more broadly ED visits for NTDCs, requires a comprehensive approach.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144059989","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}
Alex Sheen, Parth Shah, Tracy L Finlayson, Patricia A Braun, Nadia Laniado
{"title":"Positive Parent-Child Interaction and Children's Oral Health: Findings From the National Survey of Children's Health (NSCH), 2020-2021.","authors":"Alex Sheen, Parth Shah, Tracy L Finlayson, Patricia A Braun, Nadia Laniado","doi":"10.1111/jphd.12675","DOIUrl":"https://doi.org/10.1111/jphd.12675","url":null,"abstract":"<p><strong>Objective: </strong>The role of family relationships in oral health care management for children has received increasing attention as health systems and policy makers seek to improve outcomes and decrease disparities by addressing the social determinants of oral health. The aim of this study was to examine the association of positive parent-child interaction, represented by two age-specific objectives from Healthy People 2030, with oral health problems and unmet oral health needs in children ages 1-17 years in the U.S. from 2020 to 2021.</p><p><strong>Methods: </strong>This cross-sectional, population-based study analyzed 83,977 children ages 1-17 years from the National Survey of Children's Health, 2020-2021. The exposure variable, parent-child interaction, and the two outcome variables, oral health problems and unmet oral health need, were measured using parent/caregiver survey responses. Weighted simple and multiple logistic regression analyses were performed. Final models were adjusted for demographic characteristics as well as parental, household, and neighborhood factors.</p><p><strong>Results: </strong>Children from families who experience positive parent-child interaction had 25% lower odds of having any oral health problems (OR 0.75; 95% CI, 0.68-0.83) compared with children who did not experience positive parent-child interaction.</p><p><strong>Conclusions: </strong>Experiencing positive parent-child interaction was associated with lower odds of children having any oral health problems. Future investigation to explore the specific mechanisms through which positive parent-child interaction is associated with children's oral health is warranted.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144056086","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}
José Mário Nunes da Silva, Maria Eduarda Macedo Vila-Castro, Antônio Borges Nunes-Neto, Fabrício Dos Santos Menezes
{"title":"The Role of Public Oral Health Services and Socioeconomic Factors in Oral Cancer Mortality in Brazil.","authors":"José Mário Nunes da Silva, Maria Eduarda Macedo Vila-Castro, Antônio Borges Nunes-Neto, Fabrício Dos Santos Menezes","doi":"10.1111/jphd.12676","DOIUrl":"https://doi.org/10.1111/jphd.12676","url":null,"abstract":"<p><strong>Objective: </strong>To assess the relationship between socioeconomic factors and the provision of oral health services in Primary Healthcare with mortality due to oral cancer in Brazil.</p><p><strong>Methods: </strong>This ecological study was conducted across 1105 Brazilian municipalities, encompassing 11,412 oral health teams (OHTs). The outcome variable was the oral cancer mortality rate, standardized by age and sex. Socioeconomic factors and variables related to the oral health services provided by municipal OHTs were considered explanatory variables. We employed multilevel Poisson regression models with random effects at the municipal level to assess the association between oral cancer mortality rates and explanatory variables.</p><p><strong>Results: </strong>At the municipal level, oral cancer mortality was negatively associated with higher human and social development and greater income inequality but positively linked to higher rates of population aging and greater coverage of primary and oral healthcare services. At the OHT level, mortality reduction was observed among those who received specialized support and had greater availability of consultations. Active case-finding for cancerous lesions and care monitoring were also linked to lower mortality. Conversely, the identification of high-risk vulnerable patients by these teams was associated with higher mortality.</p><p><strong>Conclusion: </strong>This study suggests that oral cancer mortality in Brazilian municipalities is influenced by socioeconomic factors and the availability of oral health services.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143797520","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}
Stephen R Shamblen, Bonnie O Richard, Melissa H Abadi, Kirsten T Thompson, Camila Aramburu, Linda C Young, Jamie Ely, HimaBindu Dukka, Knowlton W Johnson
{"title":"An Oral Health Promotion Strategy for Persons With Intellectual and Developmental Disability: An Exploratory Randomized Trial Comparing Intervention and Control Group Homes.","authors":"Stephen R Shamblen, Bonnie O Richard, Melissa H Abadi, Kirsten T Thompson, Camila Aramburu, Linda C Young, Jamie Ely, HimaBindu Dukka, Knowlton W Johnson","doi":"10.1111/jphd.12673","DOIUrl":"10.1111/jphd.12673","url":null,"abstract":"<p><strong>Introduction: </strong>Individuals with intellectual or developmental disabilities (IDD) often experience more negative oral health outcomes.</p><p><strong>Methods: </strong>We implemented and tested a comprehensive strategy in 39 IDD group homes to examine whether skills-based training for direct support professionals (DSP) and individualized oral health planning for residents could improve DSP assistance and provision of oral health care for residents and oral health status. Our sample comprised 19 intervention homes and 20 control group homes, with 61 residents with IDD and 77 DSP. The strategy involved providing didactic and experiential skills-based training, combined with in-home coaching to DSP with resident participation over the course of 16 weeks. DSP in control homes received educational brochures. DSP attitudes, skills, and behaviors; and resident oral health outcomes were measured at baseline, 4 months later (post-intervention), and 12 months after baseline. Analyses compared the intervention and control conditions at 4-months and 12-months.</p><p><strong>Results: </strong>Results suggest that the intervention influenced DSP skills and behaviors. Among residents, results showed improved outcomes for teeth in the lower anterior sextant only; intervention effects largely abated by 12-month follow-up.</p><p><strong>Discussion: </strong>Findings demonstrate that skills-based, experiential training with coaching can be effective in enhancing skill sets and increasing behaviors about oral health among DSP. In addition, results showed that the strategy used can improve oral health outcomes for residents. However, given that there were only improved outcomes in residents' lower anterior sextant, more research is needed to determine how to adequately assess and improve resident outcomes.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12210209/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143702577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Isabella Turquete, Sreenath Madathil, Paul J Allison
{"title":"COVID-19 Vaccination in Canadian Dental Schools.","authors":"Isabella Turquete, Sreenath Madathil, Paul J Allison","doi":"10.1111/jphd.12670","DOIUrl":"https://doi.org/10.1111/jphd.12670","url":null,"abstract":"<p><strong>Background: </strong>Oral Healthcare workers, including dental students, face a great risk of COVID-19 infection. High COVID-19 vaccination coverage is essential for a protected workforce. This study, which aims to document the COVID-19 vaccination experience among dental students and employees from Canadian dental schools during the COVID-19 pandemic, provides crucial insights that can significantly impact future vaccination strategies.</p><p><strong>Methods: </strong>This study used data from a prospective cohort conducted between April 2021 and May 2022. We recruited 600 participants, including dental students, faculty, and support staff from 10 Canadian dental schools. Data were collected monthly from all subjects. Vaccination acceptance and vaccination time were assessed. Logistic regression models were performed to identify predictors of COVID-19 vaccine acceptance and late vaccination. In order to detect hesitation tendencies, descriptive statistics were used to observe the distribution of time to vaccination between age groups of employees and students.</p><p><strong>Results: </strong>Out of 600 participants at baseline (70% female; average age 36 years old), 91% received at least one dose of the COVID-19 vaccine. No associations were found between sociodemographic factors and COVID-19 vaccine acceptance. Individuals aged 50-59 were less likely to delay the vaccination than most of our sample. Students presented more outliers for later vaccination times, particularly in younger age groups.</p><p><strong>Conclusion: </strong>High vaccination acceptance among dental students is crucial for promoting professionalism and influencing patients. Integrating vaccine advocacy into their education might enhance vaccination uptake in the general population.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143675042","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}
Cuifeng Zhang, Lingli Qu, Yanhua Huang, Lan Tang, Jie Ma, Kaipeng Xie, Huaying Wu
{"title":"Association of Oral Microbiome Diversity With Depression Status: NHANES 2009-2012.","authors":"Cuifeng Zhang, Lingli Qu, Yanhua Huang, Lan Tang, Jie Ma, Kaipeng Xie, Huaying Wu","doi":"10.1111/jphd.12671","DOIUrl":"https://doi.org/10.1111/jphd.12671","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the relationship between oral microbial diversity and depression symptoms in the U.S.</p><p><strong>Population: </strong></p><p><strong>Methods: </strong>We utilized the US National Health and Nutrition Examination Survey (NHANES; 2009-2012) to assess the association between oral microbial diversity and depression symptoms. A cut-off PHQ-9 score of 15 was used to define severe depression symptoms. We conducted the multivariate linear regression to explore the association of the amplicon sequence variants (ASVs) with PHQ-9 scores. A restricted cubic spline (RCS) model was introduced to curve the dose-response relationship. A logistic regression model was used to calculate the odds ratio (OR) and 95% confidence interval (CI) of the association between ASVs and the risk of severe depression symptoms. Based on Bray-Curtis dissimilarity of beta diversity, analysis of similarity (ANOSIM) is used to assess the dissimilarity between different depression groups.</p><p><strong>Results: </strong>A total of 1497 participants were included, with 111 (7.41%) meeting the criteria for severe depression. After adjusting for confounders, we found that ASVs were negatively correlated with PHQ-9 scores (β = -0.008, p = 0.014). The RCS plot showed a linear relationship (p<sub>non-linear</sub> = 0.232). Logistic regression showed that ASVs were associated with a decreased risk of severe depression symptoms (OR = 0.992, p = 0.003). Analysis of β diversity identified a statistically significant difference (R = 0.087, p = 0.003). Additionally, we developed a nomogram to estimate an individual's risk of severe depression symptoms.</p><p><strong>Conclusions: </strong>Alpha diversity of the oral microbiota was associated with a reduced risk of severe depression symptoms, which could contribute to the early identification and intervention of severe depression.</p>","PeriodicalId":94108,"journal":{"name":"Journal of public health dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143665758","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}