AIM: To evaluate the salivary carriage of Treponema denticola and its association with demographic variables in the etiopathogenesis of chronic periodontitis. SUBJECTS AND METHODS: Ninety-seven chronic periodontitis (CP) patients and a control group of 51 healthy subjects (HC) were selected. Periodontal status was assessed by criteria based on probing depth, ...

Oral mucosal lesions may represent acute or chronic reactions to factors related with dentures. The aim of this study was to determine the frequency of the oral lesions related to gender, age, the length of time of denture usage, the balance of denture and cleaning methods and frequency. The 106 ...

The main objective of the study was to determine the oral hygiene levels and periodontal status among Jain monks attending a Chaturmass in Udaipur, India. To date, no study has been conducted on Jain monks. The study comprises of 180 subjects and the overall response rate was 76% among them. ...

It is evident from literature that an increased body mass index (BMI) may be a potential risk factor for periodontitis. Association between BMI and periodontitis has been ascribed to unhealthy dietary patterns with insufficient micronutrients and excess sugar and fat content. The present study population has been plagued by unhealthy ...

OBJECTIVES: The dynamic nature of oro-facial infections made it imperative to study the epidemiology of gingivitis and periodontitis which are significant clinical conditions in the Nigerian environment. METHODS: The clinical and microbiological features of 162 patients with periodontal diseases (gingivitis 68, periodontitis 94) were analysed. The advantage of routine antibiotic ...

The aim of this study was to investigate caries experience in individuals with cerebral palsy (CP) who have oromotor dysfunction and relate it to age and dietary consistency. Noninstitutionalized individuals with CP (n = 108) aged 4-19 years (mean: 10 years, 1 month +/- SD 4 years, 5 months) were ...

BACKGROUND: Interleukin (IL)-18 is a proinflammatory cytokine of the IL-1 superfamily and is unique, with the capacity to induce T-helper (Th)1 or Th2 differentiation depending on the immunologic context. Monocyte chemoattractant protein (MCP)-1 is a CC chemokine responsible for chemotaxis of monocytes. A previous study showed the induction of MCP-1 ...

The purpose of this study was to evaluate, for both genders and two elderly age groups, differences in lightness, chroma, and hue of pairs of natural anterior teeth, so that more accurate information on color would be available for the production of dentures with a natural appearance. The subjects in ...

One of the age-related changes occurring in dentine structure is the formation of peritubular dentine on the inner walls of dentinal tubules leading to complete closure of tubules. Ac-impedance is safe, fast and non-invasive technique. In the last decade, the popularity of the technique has increased in dental research. Several ...

The "8020" goal of retaining 20 or more teeth after the age of 80 necessitates investigating oral health status in people below the age of 80. The purpose of this study was to determine similarities and differences between people in their sixties attending college and achievers of the 8020 goal. ...

AIMS: The evaluation of long-term effects five years after the completion of a school-based caries prevention programme combined with fluoride mouth rinse (FMR) and targeted sealant application (TS). PARTICIPANTS: 46 subjects in the FMR+TS group and 55 subjects in the FMR group, who were 20 -21 years old, were analysed. ...

Sex steroids have a significant effect on skeletal biology in men, with reduced levels being associated with lower skeletal bone mass and cortical thickness. The purpose of this study was to determine if sex steroids are associated with periodontitis and tooth loss in a cohort of 1210 older dentate men ...

AIM: This study aimed to evaluate the factors that predict the spontaneous eruption of mesiodens. DESIGN: From the records of 431 patients (346 boys and 85 girls, average age 8.8 years) who visited Samsung Medical Center from January 2002 to December 2006, 471 mesiodentes were reviewed. The eruption rate was ...

Loss of teeth is frequently associated with periodontal disease in older adults. The aim of this review was to present the effects of aging on the periodontal tissues. Aging alone does not lead to critical loss of periodontal attachment in healthy elderly persons. The effects of aging on periodontal tissues ...

OBJECTIVE: Ageing, hypogonadism, malnutrition, and the application of glucocorticoids have adverse effects on skeletal homeostasis. Herein we determined to which extent the periodontium undergoes catabolic changes under these conditions in a sheep model. METHODS: Six old sheep with a mean age of 7.5+/-1.0 years were subjected to ovariectomy, calcium/vitamin D-restricted ...

OBJECTIVES: To analyse the importance of caries, periodontitis, and medical and psychosocial factors for risk of becoming edentulous across their lifespan and to examine factors critical for retaining functional dentition into very old age. METHODS: From the longitudinal population-based Octogenarian Twin study which analysed psychosocial and health variables, 357 individuals ...

OBJECTIVE: The purpose of this study was to evaluate if socio-demographic, behaviour and health variables are risk indicators for denture-related stomatitis in community-dwelling older adults from Carlos Barbosa, Brazil. MATERIALS AND METHODS: In this cross-sectional study, 872 subjects aged 60 years or more were evaluated. Data collection included dental examinations ...

The impact of total plaque burden on absolute and relative amounts of each virtual histologic (VH) intravascular ultrasound (IVUS) plaque component has yet to be studied. We analyzed gray-scale and VH-IVUS findings in the first 990 patients enrolled in the 3,000+ patient global VH-IVUS registry. Whole pullback plaque burden and ...

BACKGROUND: There are various types of oral mucosa specific to different parts of the mouth and each of these has a unique histological structure. The variations in the epithelial structure are consistently related to observable differences in the underlying microcirculation: i.e. differences in the course, conformation, and density of capillaries. ...

OBJECTIVES: To analyze whether inflammatory processes in the periodontium in early old age are related to subsequent mortality during 21 years of follow-up in a nondisabled 70-year-old population. SETTING: Community-based population in Copenhagen. DESIGN: The study was based on the Glostrup Aging Study of the 1914 population, with baseline in ...

BACKGROUND: Several inflammatory biomarkers are implicated in the pathogenesis of periodontitis including interleukin-1beta (IL-1beta) and C-reactive protein (CRP). This study investigated the presence of these factors in gingival crevicular fluid (GCF) and their relationship to clinical and social determinants of periodontitis in the Australian population. METHODS: Equal numbers of periodontitis ...

OBJECTIVES: The purpose of this study was to examine the relationships between patient characteristics and reasons for extraction of permanent teeth. METHODS: 5131 dentists were selected from the list of the membership directory of the Japan Dental Association by systematic random selection. The dentists were asked to record the reason ...

In this study, the accuracy of regression equations of developing permanent tooth length for age estimation (Liversidge and Molleson. J Forensic Sci. 1999;44:917) is tested on a sample of 88 Portuguese juvenile skeletons of known age at death. Results reveal an overall high accuracy for the method, showing an average ...

INTRODUCTION: Knowledge of the early oral colonization patterns could provide a better understanding of oral biofilm development and disease initiation that in turn could be the basis for early preventive programmes. METHODS: Microbial samples were collected from five different oral habitats from a total of 93 children (age 3-12 years), ...

AIMS: To assess the oral health status of the Bhil tribal population of Southern Rajasthan and to investigate the association of age, oral hygiene and dental visiting practices with oral health status. DESIGN: A cross sectional study of Bhil tribal adults chosen by a multi stage stratified random sampling procedure. ...

BACKGROUND: Few studies have examined the effect of nutrition on tooth development in subadults. AIM: The study investigates the association between nutritional status, sex and tooth development. MATERIAL AND METHODS: This study was conducted on 390 (195 males, 195 females) impacted mandibular third molars extracted from North Indian healthy patients ...

Evaluating third molars from 950 Hispanic individuals aged 12-22 years using Demirjian's schematic for crown and root formation found that Hispanic third molar development was 8-18 months faster than American Caucasians as reported by Mincer, Harris and Berryman in 1993. This represents a statistically significant increase. Earlier development was more ...

Australopithecus robustus is one of the best represented hominin taxa in Africa, with hundreds of specimens recovered from six fossil localities in the Bloubank Valley area of Gauteng Province, South Africa. However, precise geochronological ages are presently lacking for these fossil cave infills. In this paper, we provide a detailed ...

BACKGROUND: The objective of this study was to assess the oral microbiota and clinical data in subjects without access to traditional oral hygiene methods and who ate a diet available in the Stone Age. METHODS: Ten subjects living in an environment replicating the Stone Age for 4 weeks were enrolled ...

The aim of the present study was to provide reference data of the Korean population which is adequate to compare with other mongoloid populations and can be applied to the age estimation of Korean juveniles and adolescents. A cross-sectional study was performed on a randomly selected sample of 3301 orthopantomographs ...

Dental cementum is a vital tissue that demonstrates continuous apposition throughout the life of a tooth. Positive correlation has been reported between the coronal displacement of cementum and age in impacted teeth and BR regression equation has been proposed. The present study is an attempt to calculate accuracy of BR ...

The archaeological site of 'Ubeidiya provides a unique, rich faunal assemblage, as well as evidence for the presence of early hominins in the Levant. Paleontological analysis of the faunal community is pertinent to understanding the biochronology and the timing of hominin dispersal events from Africa to Eurasia. This study presents ...

Age assessment may be a crucial step in postmortem profiling leading to confirmative identification. Among the traditional dental parameters used for estimating age, root dentin translucency is considered to be least affected by external stimuli and most suitable for the purpose. Using this variable, Bang and Ramm in 1970 developed ...

PURPOSE: The aim of this study was to investigate the prevalence of cervical wear lesions in three groups of patients: bruxists, combined tooth wear, and controls. The hypothesis was that those subjects presenting with bruxism were more likely to develop cervical wear lesions. MATERIALS AND METHODS: Of 119 subjects, 31 ...

INTRODUCTION: The aims of the study were to evaluate the rate of accompanying gingival movement and changes in the widths of the attached gingiva (AG) and the keratinized gingiva (KG) after orthodontic extrusion of the mandibular incisors. METHODS: The study was carried out with 10 subjects whose mandibular incisors were ...

This study aimed to assess the prevalence of aggressive periodontitis (AgP), and to investigate the association between demographic, socioeconomic and behavioral risk indicators with AgP in an untreated and isolated young population in Southeastern Brazil. For this cross-sectional survey, 134 subjects aged 12-29 years were selected by a census. Of ...

PURPOSE: To correlate measurements of specular gloss and surface roughness of resin composite materials with subjective perception of luster before and after artificial aging. METHODS: Polished specimens of eight composites were compared with human enamel (HE): microfilled SR Adoro (SR); microhybrid Artemis (AR), Enamel HFO (EHFO), Miris (MI), Tetric Ceram ...

The main criterion for dental age estimation in living adolescents and young adults is mineralization of third molars. A total of 1,260 orthopantomograms of 669 female and 591 male subjects aged between 15 and 22 years was examined. Of the orthopantomograms, 1,137 were from patients with Swiss citizenship and 123 ...

Dental age estimation methods based on the radiologically detected third molar developmental stages are implemented in forensic age assessments to discriminate between juveniles and adults considering the judgment of young unaccompanied asylum seekers. Accurate and unbiased age estimates combined with appropriate quantified uncertainties are the required properties for accurate forensic ...

BACKGROUND/AIM: The purpose of this study was to compare the levels of the cytokines interleukin-1beta (IL-1beta), IL-4, and IL-8 in the gingival crevicular fluid (GCF) of adolescents and young adults. METHODS: Twenty-five adolescents aged between 14 and 16 years (Group A) and 20 periodontally healthy young adults aged between 25 ...

OBJECTIVES: To determine the distribution and determinants of periodontal health in adult members of the Sandy Bay First Nation in Manitoba, Canada. STUDY DESIGN: Cross-sectional study based on face-to-face interviews and oral examinations. METHODS: Face-to-face interviews and oral examinations were performed on a convenience sample of 107 individuals to assess ...

REASONS FOR PERFORMING STUDY: There are few published data to support the ages of emergence of permanent dentition widely reported in horses. OBJECTIVES: To clarify the chronology and sequence of permanent premolar (PM) tooth emergence in Thoroughbred racehorses. METHODS: A prospective study was undertaken in which records were kept of ...

OBJECTIVES: The aim was to investigate the effects of orthodontic treatment with 4 first molar extractions on the angulations and eruption spaces of all third molars and to compare these changes with outcomes of nonextraction samples used as a control group. STUDY DESIGN: This study was carried out on standardized ...

AIM: The aim of this study was to assess the prevalence and extent of periodontal diseases among adults in a province in Eastern Germany. MATERIAL AND METHODS: The Study of Health in Pomerania is a population-based study conducted during 1997-2001. The net random sample comprised 4310 20-81-year-old subjects. Periodontal status ...

OBJECTIVE: To determine if there were differences in periodontal status and the composition of the subgingival microbiota in individuals who exhibited different body mass indices (BMI). MATERIAL AND METHODS: One hundred and twenty-one periodontally healthy/gingivitis and 574 chronic periodontitis subjects had height and weight determined and were measured for probing ...

OBJECTIVE: The aim of this study was to assess the relationships between aggressive periodontitis (AgP), caries and smoking. METHOD AND MATERIALS: A cross-sectional study was conducted among patients who were specifically referred to the Dental Teaching Clinic in Irbid, Jordan for periodontal treatment. Self-administered questionnaire related to socio-demographic data and ...

Tooth cementum annulation (TCA) technique has been a frequently discussed method for the individual age estimation. Conflicting statements on its accuracy and applicability in previous publications have provoked our research. The accuracy and bias of the TCA age estimates were examined in a sample of 116 teeth from 65 individuals ...

Objective. The prevalence of caries and various risk factors was studied cross-sectionally in two cohorts of 72-year-olds over the course of 20 years. Incidence was also studied over a period of 6 years. Material and Methods. Samples of two dentate subjects from cohorts of 70 to 72-year-olds were included; cohort ...

The aim of the study was to evaluate the prevalence and the intensity of tooth decay among the middle-aged and elderly population of Kaunas, city, and to assess the need for prostheses as well as the possibilities for oral care. MATERIAL AND METHODS. During 2006-2008, we studied 1,141 inhabitants of ...

In the title complex, [Ag(NO(3))(C(5)H(5)NO)](n), the Ag(I) atom is coordinated by two O atoms from two different 4-pyridone ligands and two O atoms from one nitrate anion, displaying a nearly planar coordination geometry. The O atoms of two 4-pyridone ligands bridge two symmetrically related AgNO(3) units, forming a dimer, with ...