BACKGROUND: Dental caries is a chronic childhood disease and one of the most prevalent public health problems worldwide. Lead is a heavy metal that is taken up by the teeth and bones. However, the association between lead exposure during pregnancy, when the tooth germs are formed, and the prevalence of dental caries in the primary dentition remains unclear. This study aimed to examine the association between maternal blood lead levels and the prevalence of dental caries in the primary dentition of children. METHODS: This cross-sectional study was conducted as an Adjunct Study to the Japan Environment and Children's Study (JECS), which is an ongoing nationwide birth-cohort study. Among children participating in the JECS at the University of Occupational and Environmental Health Sub-Regional Center, those aged 7-8 years underwent oral examination and questionnaire administration. The dft (i.e., sum of the number of decayed and filled primary teeth) was then determined. The dft numerically expresses the dental caries prevalence in the primary dentition (larger value indicates more prevalent dental caries). Poisson regression analyses with robust standard errors were performed to evaluate the association between maternal blood lead levels during pregnancy, measured using frozen samples, and the dft. RESULTS: The study included 139 children, of whom 54.7% were girls, and 89.2% were 7 years old. The median maternal blood lead level was 6.1 ng/g (25-75 percentile, 5.0-7.3). The median dft was 0 (25-75 percentile, 0-4). After adjusting for covariates including age, sex, and oral health status and behavior, maternal blood lead levels were significantly associated with increased dft (prevalence ratio, 1.6; 95% confidence interval, 1.3-1.8; per one standard deviation increase in natural log-transformed maternal blood lead levels). CONCLUSIONS This study found an association between maternal blood lead levels and the prevalence of dental caries in the primary dentition of children aged 7-8 years. Maternal exposure to lead during mid- to late-term pregnancy may affect the caries susceptibility of children after birth.
Humans ; Lead/blood* ; Female ; Dental Caries/epidemiology* ; Prevalence ; Tooth, Deciduous ; Male ; Japan/epidemiology* ; Child ; Cross-Sectional Studies ; Pregnancy ; Adult ; Maternal Exposure/adverse effects* ; Environmental Pollutants/blood* ; Prenatal Exposure Delayed Effects/epidemiology*

Four interstitial cystitis/chronic pelvic pain syndrome (IC/CPPS) patients presenting with pain and autonomic imbatances were improved by Kampo medicine. (Case 1) a 42 year old female : Her bladder and perinial pain were relieved by ryutanshakanto and her autonomic imbalances were improved by Kamishoyosan. (Case 2) a 51 year old female : She was given anchusan which warmed the internal organs. (Case 3) a 49 year old female : Her general hypothermia was relieved by shinbuto and ninjinto. (Case 4) a 27 year old female :She was given tokishigyakukagoshuyushokyoto which warmed the lower body half. These Kampo medicines for autonomic imbalance in IC/CPPS were drugs that adjusted general condition on the basis of diagnostic processes, and logic based on states of vital energy and blood.

Maobushisaishinto was given to 10 elderly female patients with stress urinary incontinence (SUI) for 4 weeks. Five patients showed SUI improvement with its herbs. The mean age for the effective group was higher than that for the non-effective group (73.2 vs 50.2 yrs old ; p = 0.08). In former group, 2 cases demonstrated a remarkable effect ; one with the number of pads used decreasing from 8 to 2 and the other decreasing from 4 to 1.
Because of the possibilities of urethral pressure elevation with ma huang (the mao component) and improvement of detrusor overactivity with Fu zi (the bushi component), maobushisaishinto may be applicable for the aged female suffering from SUI.