Association between breastfeeding and periodontitis in Korean women using Korea National Health and Nutrition Examination Survey (KNHANES): a cross-sectional study.

Objectives: The effect of breastfeeding on periodontal disease in women remains unclear. This cross-sectional study used data from the Korean National Health and Nutrition Examination Survey to explore the association between breastfeeding and periodontitis in Korean women using data from the Korean National Health and Nutrition Examination Survey (KNHANES VII).

Materials And Methods: Cross-sectional data was analyzed from the KNHANES 2016-2018.

The use of interdental cleaning devices and periodontal disease contingent on the number of remaining teeth in Korean adults.

This study aimed to investigate the effect of interdental brushes and dental floss on the prevention of periodontitis in participants with ≥ 20 or < 20 remaining teeth by using the Korea National Health and Nutrition Examination Survey 2016-2018. Data from 11,614 participants were analysed using multivariate logistic regression after adjusting for sociodemographic factors (age and sex), socioeconomic factors (level of education and individual income), oral health-related variables (daily toothbrushing), and systemic health-related variables (smoking, diabetes, and obesity). The adjusted odds ratio (AOR) showed statistically significant results for both floss (AOR, 1.

Lactobacillus reuteri AN417 cell-free culture supernatant as a novel antibacterial agent targeting oral pathogenic bacteria.

Lactobacillus reuteri AN417 is a newly characterized probiotic strain. The activity of AN417 against oral pathogenic bacteria is unknown. We investigated the antibacterial activity of cell-free L.

Association between regular walking and periodontitis according to socioeconomic status: a cross-sectional study.

Physical activity reduces the risk and mortality risk of inflammatory diseases. This study aimed to examine the relationship between regular walking and periodontitis in a Korean representative sample of adults according to socioeconomic status. Data acquired by the Sixth Korea National Health and Nutrition Examination Survey in 2014 and 2015 were used.

The association between periodontitis and dyslipidemia according to smoking and harmful alcohol use in a representative sample of Korean adults.

Objectives: The aim of this study was to examine whether dyslipidemia is associated with periodontitis according to age, sex, smoking, and harmful alcohol use in a representative sample of Korean adults who participated in the Sixth Korea National Health and Nutrition Examination Survey (KNHANES VI-3).

Materials And Methods: We examined 3987 subjects aged 19 to 79 years who participated in the KNHANES VI-3. Dyslipidemia was defined according to the definition proposed by the Korean Society of Lipidology and Atherosclerosis.

Association of Periodontitis with the Concentration Levels of Germanium and Tin in Hair.

The purpose of this study was to investigate whether or not the concentration levels of certain kinds of trace elements in hair are associated with periodontitis. We studied a total of 109 participants, which are composed of 25 participants with periodontitis and 84 participants without periodontitis. Periodontal conditions were assessed by measuring the periodontal clinical attachment loss and pocket depth, which were determined at six sites of all teeth.

Association between age at asthma diagnosis and tooth loss.

Objectives: This study aimed to investigate the association between age at asthma diagnosis and tooth loss due to caries using data obtained from the Korean National Health and Nutrition Examination Survey.

Materials And Methods: A complex sample multivariable linear regression was used, and the results were analysed. Age at diagnosis and the number of teeth lost were set as independent and dependent variables, respectively.

Reduced antibiotic prescription rates following physician-targeted interventions in a dental practice.

Background: The prescription rate for antibiotics in dental clinics is not declining despite the increase in the antibiotic resistance problem. In this study, we observed the change in antibiotic prescription rates by dentists in a Korean dental hospital for various treatments after conducting interventions targeting dentists.

Methods: The first intervention was to distribute guidelines.

Is yogurt intake associated with periodontitis due to calcium?

The purpose of this study is to determine whether the lower intakes of yogurt, milk, and calcium are associated with periodontitis in a nationally representative sample of Korean adults. This study comprised 6,150 adults 19 or more years old who took both periodontal examination and nutrition survey. The frequency of yogurt and milk intake was examined with a food frequency questionnaire.

Association of Some Vitamins and Minerals with Periodontitis in a Nationally Representative Sample of Korean Young Adults.

The purpose of this study was to investigate whether the intakes of some kinds of vitamins and minerals are associated with periodontitis in a nationally representative sample of young adults. This study comprised 2049 young adults aged 19-39 years who took both periodontal examination and nutrition survey. The vitamin and mineral intakes were calculated from dietary intake data gained by complete one-day 24-h recall interviews, and the intake levels for each nutrient were classified by the Recommended Nutrient Intake (RNI) in Dietary Reference Intakes for Koreans and median values.

Synergistic effect of maternal obesity and periodontitis on preterm birth in women with pre-eclampsia: a prospective study.

Aim: The aim of this study was to investigate if pregnant women with both obesity and periodontitis are more likely to experience preterm birth (PTB) in women with pre-eclampsia (PE) than pregnant women with only obesity or only periodontitis.

Materials And Methods: The study examined a total of 328 pregnant women at 21-24 weeks of gestation. Overweight and obesity was defined based on criteria proposed by the WHO Expert Consultation.

Association between vitamin D deficiency and periodontal status in current smokers.

Objectives: The aim of this study was to examine whether vitamin D level is associated with periodontitis using a representative sample of Korean adults.

Methods: A total of 6011 subjects who participated in the fourth Korea National Health and Nutrition Examination Survey (KNHANES) were examined. Vitamin D deficiency was defined as 25-hydroxyvitamin D serum concentrations to be under or equal to 20 ng/ml.

Risk factors for dental caries in childhood: a five-year survival analysis.

Objectives: The purpose of this study was to examine the risk factors of dental caries at the level of an individual person with survival analysis of the prospective data for 5 years.

Methods: A total of 249 first-grade students participated in a follow-up study for 5 years. All participants responded to a questionnaire inquiring about socio-demographic variables and oral health behaviors.

Association between plasma levels of manganese and periodontal status: a study based on the fourth Korean National Health and Nutrition Examination Survey.

Background: This study aims to evaluate the association between plasma levels of manganese (Mn) and periodontal status in a representative sample of Korean adults.

Methods: Plasma levels of Mn and periodontal status were analyzed in 1,679 participants, all of whom were ≥19 years old. Plasma levels of Mn were divided into four quartiles: first (<1.

Association between harmful alcohol use and periodontal status according to gender and smoking.

Background: the aim of this study is to assess the association of harmful alcohol use based on the alcohol use disorders identification test (AUDIT) score with periodontal status according to gender and smoking in a representative sample of Korean adults.

Methods: This study analyzed 5,291 participants older than 19 years whose data of harmful alcohol use and periodontal status were available. Harmful alcohol use was defined by the WHO guidelines for the administration of AUDIT.

Association between periodontitis and preeclampsia in never-smokers: a prospective study.

Aim: The aim of this prospective study was to investigate the relationship between periodontitis and preeclampsia in never-smokers.

Materials And Methods: Pregnant women were recruited at 21 to 24 weeks of gestation from March 2009 to June 2013. Information on demographics, health behaviours, obstetric history, and systemic diseases that can influence periodontal status and preeclampsia was collected.

Association of dental caries with socioeconomic status in relation to different water fluoridation levels.

Objectives: The aim of this study was to assess the prevalence of dental caries in 11-year-old children, related to water fluoridation and family affluence scale (FAS), as an indicator of socioeconomic status (SES) in Korea.

Methods: A total of eight areas were selected for study: four areas with fluoridated piped water (WF areas) and four areas with nonfluoridated piped water (non-WF areas). Non-WF areas had a similar economic level and population size compared with the WF areas.

Association between obesity and periodontitis in pregnant females.

Background: The purpose of this study is to investigate whether overweight and obesity before pregnancy are associated with periodontitis during pregnancy.

Methods: This study examined a total of 315 pregnant females at 21 to 24 weeks of gestation. Overweight and obesity were defined based on criteria proposed by the World Health Organization Expert Consultation.

Systemic effect of water fluoridation on dental caries prevalence.

Objectives: The aim of this study was to evaluate the systemic effect of water fluoridation on dental caries prevalence and experience in Cheongju, South Korea, where water fluoridation ceased 7 years previously.

Methods: A cross-sectional survey was employed at two schools where water fluoridation had ceased (WF-ceased area) and at two schools where the water had never been fluoridated (non-WF area). The schools in the non-WF area were of a similar population size to the schools in the WF-ceased area.

Regular dental checkup and snack-soda drink consumption of preschool children are associated with early childhood caries in Korean caregiver/preschool children dyads.

Objectives: Early childhood caries (ECC) is a common oral disease among young Korean children. The purpose of this study was to examine the relationship of ECC with preschool children's oral health behavior and caregivers' oral health in Ulsan, Korea.

Methods: In 2006, cross-sectional survey of 1214 children under 6 years old and their care givers were surveyed.

The relationship between radiological features and clinical manifestation and dental expenses of keratocystic odontogenic tumor.

Purpose: This study was performed to identify correlations between keratocystic odontogenic tumor (KCOT) data from CT sections, and data on the KCOT clinical manifestation and resulting dental expenses.

Materials And Methods: Following local Institutional Review Board (IRB) approval, a seven-years of retrospective study was performed regarding patients with KCOTs treated at the Seoul National University Dental Hospital. A total of 180 KCOT were included in this study.

The growth trends of Korean adolescents with bialveolar protrusion: a nine year longitudinal cephalometric study.

Bialveolar protrusion and dental crowding seems to have common features in terms of aetiology and treatment method, although they result in different facial profiles and tooth alignment. The aim of this longitudinal study is to determine when children begin to show bialveolar protrusive traits in order to get more clue about the aetiology of bialveolar protrusion. Longitudinal lateral cephalometric data of children followed from 6 to 14 years of age were used.

The association between periodontitis and dyslipidemia based on the Fourth Korea National Health and Nutrition Examination Survey.

Aims: The aim of this study was to examine whether dyslipidemia is associated with periodontitis in a representative sample of Korean adults who were involved in the Fourth Korea National Health and Nutrition Examination Survey (KNHANES).

Materials And Methods: A total of 18,210 subjects over 19 years of age who participated in KNHANES were examined. Dyslipidemia is defined according to the definition proposed by the Korean Society of Lipidology and Atherosclerosis.

Happiness, subjective and objective oral health status, and oral health behaviors among Korean elders.

Objectives: This study aims to comprehensively assess the association of subjective and objective oral health status and oral health behaviors with happiness, under consideration of demographic, socioeconomic, and general health-related factors. This study also aims to test whether subjective oral health outcomes are better predictors of happiness compared with objective oral health outcomes.

Methods: The data were collected from 479 community-dwelling elders aged 65 years or over selected by a cluster sampling method.