Miira M Vehkalahti

• DDS, PhD
• Senior Researcher at University of Helsinki

Purpose Periodontal diseases and caries are common oral diseases that predispose to tooth loss if untreated. In this study, we investigated whether loss of teeth or caries associate with intracranial aneurysm (IA) pathology similar to periodontal diseases. Methods A total of 166 patients with either IA or aneurysmal subarachnoid hemorrhage (aSAH)...

Objective: This register-based study assessed the frequency of and age-specified variation in tooth extractions in adults visiting private dentists in Finland in 2012-2017. Material and methods: Retrospective study design was used on the register-based data of private sector services. Data of the entire 6 years, 2012-2017, included records of a...

Objectives: This register-based study on public sector patients aged 60 years and over assessed annual age-specific volume of and reasons for tooth extractions as well as changes in these across the period 2007-2015. Background: Alongside the rapidly ageing population, the demand for public oral healthcare services is growing. Damaged teeth may...

Objective: Our retrospective register-based observational study evaluated age-specific aspects and changes in volume and content of direct restorative procedures, pulp cappings and enhanced caries prevention measures given to adults. Methods: Data included all treatments provided for 20- to 60-year-olds visiting the Helsinki City Public Dental S...

The aim of this study was to assess the occurrence and nature of retained dental roots and their associations with demographics in the Finnish adult population. From the cross‐sectional nationwide Health 2000 Survey of the Finnish population aged 30 years and older, 6005 participants with clinical oral examination and panoramic radiographs were inc...

Background: Periodontal infections have been associated to the formation and rupture of intracranial aneurysms (IA). In this study we investigated whether also caries (tooth decay) associates to IA pathology. Methods: A total of 166 patients with either IA or aneurysmal subarachnoid hemorrhage (aSAH) underwent oral examination in Kuopio University...

Objectives To assess clinical practices in root canal treatments (RCTs) performed by general dental practitioners under two different reward schemes applied in public dental services. Methods This study used a retrospective design with tooth as the observation unit. The data included all teeth (n = 547) with non-surgical primary RCT completed in 2...

Objectives This study assessed relationships between oral health care workforce and dental health in 12-year-olds in a developing health care system in Iran from 1992 to 2014 and compared these findings with the most recent corresponding findings in selected countries. Methods Data regarding oral health care workers from 1962 to 2014 were extracte...

Background Population aging will likely have an impact on oral health care trends. The aim of this study was to describe age- and time-related trends in oral health care in people ages 60 and older in Public Oral Health Services (POHS) in Helsinki, Finland. Materials and methods Material for the study comprised the electronic documentation of oral...

Objectives This study assessed age-related variation in the volume and content of restorative dental care performed by private dentists for adults in Finland in 2012−2017. Methods This retrospective register-based observational study utilized the Social Insurance database of private dental services in 2012 and 2017, including all patients. The dat...

Objectives To assess occurrence and its variation over time of serious accidental perforations during endodontic treatment and the fate of perforated teeth by tooth type and characteristics of patients and dentists.Materials and methodsData, based on patient documents on healthcare malpractice claims, comprised all endodontic injuries (n = 970) ver...

Objective: This study evaluated the radiographic outcome of root canal treatments (RCTs) performed by general dental practitioners (GDPs) with focus on tooth type and quality of root filling. Materials and methods: The target population included all patients receiving root filling by GDPs in City of Helsinki in 2010–2011. Equal numbers of each toot...

Objectives: We investigated the first re-interventions of two- and three-surface direct restorations on posterior teeth, specifically noting the type and time of the first re-intervention. Materials and methods: In 2002, altogether 5542 posterior two- and three-surface composite and amalgam restorations were done for 3051 patients aged 25–30 years...

Aim: To evaluate age-specific aspects and changes in volume and content of endodontic treatment for adults visiting private dentists in Finland in 2012 and 2017. Methodology: This study utilized register-based data of private dental care. The observation unit of the aggregated macro-level data was age group, with 5-year age groups from 20-24 yea...

Objectives: The aim of the study was to examine the prevalence of third molars in panoramic radiographs in a population-based study of adults aged ≥30 years. Methods: Out of a sample of 8028 inhabitants of Finland, selected with two-staged stratified cluster-sampling method for the Health 2000 Survey, 5989 participated in clinical oral examinati...

Objective: The aim was to evaluate the association of behavioural and socioeconomic factors with the occurrence of periodontal disease and dental caries, paying special attention to the simultaneous occurrence of these diseases. Materials and methods: The study population consisted of 5255 dentate persons aged ≥30 years from a nationally representa...

Objectives We assessed the impact of type of tooth on the outcome of root canal treatment (RCT) according to factors potentially weakening the prognosis such as preoperative apical periodontitis (AP) and treatment modality (primary or secondary RCT). Materials and methods We scrutinized patient documents including pre- and postoperative radiograph...

Aim To investigate the impact of systemic health and tooth‐based factors on the outcome of root canal treatment (RCT). Methodology The target population consisted of all patients receiving non‐surgical RCT at the Helsinki University Clinic in 2008‐2011. The inclusion criteria were: diagnosable pre‐ and postoperative (minimum six months after root...

Objectives: The aim of the study was to characterize third molars that have remained disease-free in a representative sample of the Finnish population aged 30 years and older. Materials and methods: Two-staged stratified cluster sampling (N = 8028) was used, and 6005 subjects participated in a clinical oral examination and panoramic radiography....

A patient who complained of difficulty in opening his mouth after condylar neck fracture 1 year ago presented typical features of temporomandibular joint ankylosis in clinical and radiologic examinations. To demonstrate a possible pathogenesis of temporomandibular joint ankylosis after condylar neck fracture, the fractured condylar portion removed...

This study analyzed characteristics of oral cancer patients from Tehran, Iran, and their tumors. Data came from the patient records of 30 major hospitals in Tehran. Patients (n = 1042), diagnosed with invasive oral cancer in 1993-2003, were classified by primary tumor site according to ICD-10 (C00-C10). Data were analyzed separately for lip, oral c...

The purpose of this study was to assess the age of patients at the time of extraction of third molars. Our data included all routine and surgical extractions of third molars (n=8199 teeth) performed by general and specialist dentists of the public oral health services of the city of Helsinki over the period 2013-2014. Measurements included patient'...

Introduction: The aim of this study was to assess the role of root canal irrigants and medicaments in endodontic injuries verified in Finland and to estimate the rate of such events over time. Methods: The study material comprised all endodontic injuries verified by the Patient Insurance Centre in 2002 to 2006 (n = 521) and 2011 to 2013 (n = 449...

Objectives: We aimed to investigate the habitual consumption of sugar-sweetened beverages (SSBs) and sweets in relation to mothers’ behaviours and practices with their infants. Methods: We targeted mothers with children 1–24 months (N = 200) visiting Public Child Health clinics in Finland. During routine visits mothers (N = 179) volunteered to comp...

Objectives: This study aimed to analyse education-related inequality in restorative dental treatment need among adults aged 30 years and older living in Northern and Southern Finland in 2000 and 2011. Methods: Data were taken from the Health 2000 and 2011 population-based follow-up surveys, including information gathered by interviews and clinic...

Objectives: This study examined the first re-intervention after placement of 2-and 3-surface direct restorations in posterior teeth among 25-30-year-olds. Methods: Repair and replacement of restorations can account for 40-60% of restorative treatment. In the UK, every fourth teeth restored has re-intervention in the subsequent 4 years. Our data wer...

Aims: To assess dental health attitudes and their association with preventive behaviours among middle-aged Lithuanian university employees. Methods: A questionnaire survey was conducted among all 35-44-year old employees (n=862) of four Universities in Lithuania. Assessment of preventive dental health behaviours included reported preventive dental...

The purpose of this study was to assess clinical and radiographic signs of disease in third molars within a population that is representative of the Finnish adult population aged 30 years and older. A two-stage stratified cluster sampling method was used to collect the 6005 subjects, who were examined clinically and also by panoramic radiography. T...

The objective was to investigate the role of employment in the 11-y changes of clinically determined oral health. We used data from the longitudinal Health 2011 Survey, including reinvited subjects from the Health 2000 Survey. Data were gathered by clinical oral examinations, interviews, and questionnaires of those aged 30 to 63 y ( n = 1,031) in 2...

Objectives: The aim of this patient document-based retrospective study among 25- to 30-year-old Finnish adults was to evaluate longevity of 2- and 3-surface posterior restorations according to type of tooth, size of restoration, and restorative material used. Methods: Data were extracted from electronic patient files of the Helsinki City Public...

Background During the 2000s, two major legislative reforms concerning oral health care have been implemented in Finland. One entitled the whole population to subsidized care and the other regulated the timeframes of access to care. Our aim was, in a cross-sectional setting, to assess changes in and determinants of use of oral health care services b...

Objectives: We hypothesized that malpractice panorama in endodontics has changed alongside of adoption of new devices. To assess such changes, we compared endodontic malpractice claims and their indemnity in Finland in 2002-2006 and 2011-2013. Methods: Our two cross-sectional data sets comprised the health care claims related to endodontic malpract...

Objective: We analyzed operator-related differences in endodontic malpractice claims in Finland. Materials and methods: Data comprised the endodontic malpractice claims handled at the Patient Insurance Centre (PIC) in 2002-2006 and 2011-2013. Two dental advisors at the PIC scrutinized the original documents of the cases (n = 1271). The case-rela...

Background: Obstructive sleep apnea (OSA) is an increasing problem worldwide. Yet, a large number of patients may remain undiagnosed. Dentists could suspect OSA but little is known about their knowledge and attitudes towards the topic. Methods: An email questionnaire was sent to dentists working in Helsinki Health Centre, Helsinki, Finland (n=22...

Objective To study differences in consumption of foods and intake of nutrients attributable to denture status. Design, setting and participantsData from a cross-sectional, nationally representative Health 2000 Survey, subjects aged 55–84 years (n=2,241). MeasurementsDenture status (edentulous with full dentures, own dentition with removable denture...

The aim of this study was to compare the oral health-related behaviors of unemployed people with those of employed people and to assess whether they differ according to the length of unemployment. This study is part of the Health 2000 Survey in Finland. The cross-sectional data were based on interviews and questionnaires. The present study comprise...

Aim: To assess the prevalence of apical periodontitis in the Finnish population aged 30 years and older and relate it to the technical quality of root filling by type of tooth. Methodology: As part of the Finnish nationwide Health 2000 study, panoramic radiographs were used of the dentate subjects (n=5335) aged 30-95 years (mean 50.2 years) to a...

Dental caries is considered a diet-mediated disease, as sugars are essential in the caries process. However, some gaps in knowledge about the sugars-caries relationship still need addressing. This longitudinal study aimed to explore 1) the shape of the dose-response association between sugars intake and caries in adults, 2) the relative contributio...

To explore the association of depression and anxiety with two oral health outcomes, dental caries and periodontal disease and assess possible mediators for any of the associations. Secondary analysis of the Finnish Health 2000 Survey. Depression was assessed with Beck's Depression Inventory and anxiety with Composite International Diagnostic Interv...

Health behaviors play a major role in the prevention of the most common oral diseases. To investigate health behaviors related to the potential transmission of oral bacteria from mother to child using novel multiple correspondence analysis (MCA). Mothers (n = 313) with children under three years attending two municipal child health clinics in Finla...

Objectives: Smoking may impact oral self-care (OSC). This study aimed to analyze the role of smoking in OSC among Iranian dental health professionals. Materials and Methods: The cross-sectional data were collected at two annual dental meetings and seven randomly selected dental schools in Iran. A total of 1,459 respondents composed of 967 general...

Prosthodontic treatment is a common procedure for the elderly as tooth loss is a reality in old age. Dentists take care of increasingly older patients with physiological age manifesting as cognitive impairment, frailty or multiple chronic diseases or who have side effects of medicines. We evaluated how patients’ age affects prosthodontic treatment...

Purpose: To assess factors related to satisfaction with dental care and its role in dental health-related behaviour among Lithuanian university employees. Materials and methods: Our cross-sectional survey collected data on respondents' satisfaction with dental care using 24 statements. The self-administered questionnaire also inquired about dent...

Objectives: Smoking may impact oral self-care (OSC). This study aimed to analyze the role of smoking in OSC among Iranian dental health professionals. Materials and Methods: The cross-sectional data were collected at two annual dental meetings and seven randomly selected dental schools in Iran. A total of 1,459 respondents composed of 967 general d...

The aim of this study was to assess whether current unemployment was associated with poor oral health and whether there was a difference in oral health according to the duration of the current unemployment. As part of the Health 2000 Survey in Finland (a nationwide comprehensive health examination survey), we used its data based on interviews, ques...

Background: Dental general anesthesia (DGA) is part of public dental care in Finland, but the intention is to return the patient to routine dental care. The aims of this study were to describe the details of treatments under DGA given to generally healthy children and to explore the outcome of their dental care during a 5-year follow-up, with spec...

AimThe aim of the present study was to analyze caries experience in relation to the occurrence of fluorosis in 12 year olds in a natural fluoride area.Methods This cross-sectional study was conducted among 12-year-old lifetime residents (n = 301) of Klaipeda, Lithuania, where the natural fluoride content is 1.7–2.2 ppm F. Data collection included a...

AIM: The aim of the present study was to analyze caries experience in relation to the occurrence of fluorosis in 12 year olds in a natural fluoride area. METHODS: This cross-sectional study was conducted among 12-year-old lifetime residents (n = 301) of Klaipeda, Lithuania, where the natural fluoride content is 1.7-2.2 ppm F. Data collection includ...

Background: Evidence from cross-sectional studies implies that dental behaviours partially explain inequalities in oral health. Objective: To assess whether dental behaviours completely eliminate inequality in increments of dental caries in a sample of Finnish adults. Methods: The baseline data were collected from the Health 2000 survey, a nat...

Objective: To associate self-assessed oral health and treatment need with clinically determined findings. Materials and methods: As part of the Finnish nationwide comprehensive Health 2000 Survey, the present cross-sectional study included dentate participants aged 30-64 years who self-assessed their oral health and treatment need in an intervie...

To explore the association between frequency of consumption of sugar-sweetened beverages (SSB) and caries increment over four years in adults. A second aim was to explore whether the association between frequency of SSB consumption and caries increment varied by socio-demographic characteristics and use of fluoride toothpaste. Data from 939 dentate...

Immunosuppressive drugs and other medications may predispose patients to oral diseases. Data on oral mucosal health in recipients of liver transplantation (LT) are limited. We, therefore, recruited 84 LT recipients (64 with chronic liver disease and 20 with acute liver failure) for clinical oral examinations in a cross-sectional, case-control study...

Purpose: To determine changes in oral health behaviour following low-cost oral health education among mother-child pairs. Materials and methods: In this controlled trial, interviews were conducted in a random sample of mothers of 12- to 15-month-olds (N = 242) attending the vaccination offices of public health centres in Tehran, Iran, and the va...

Although the harmful effects of smoking on periodontal disease and oral cancer are now indisputable, its effect on dental caries is less well known. This study assessed whether daily smoking predicts caries increment in adults over 4 years. Data from 955 adults who participated in both the Health 2000 Survey and the Follow-Up Study of Finnish Adult...

Immunosuppressive drugs and other medications may predispose patients to oral diseases. Data on oral mucosal health in recipients of liver transplantation (LT) are limited. We, therefore, recruited 84 LT recipients (64 with chronic liver disease and 20 with acute liver failure) for clinical oral examinations in a cross-sectional, case-control study...

Apical periodontitis (AP) is common in adults, often occurring without symptoms. However, its consequences may be serious, if not detected in time and treated adequately. Objectives: We assessed the occurrence of AP in adults in relation to the presence and quality of root canal fillings. Methods: A nationwide comprehensive survey in Finland in...

Smoking and infrequent toothbrushing have been shown to relate in adolescents. Less is known about how drinking alcohol or taking snuff associate with oral self-care (OSC). Objective: Our aim was to assess the frequency of stimulant-use and link it to OSC of young sporting men. Method: The target population comprised young men playing in an ice...

As part of public health service in Finland, maternity health clinics provide free-of-charge appointments to all expecting mothers. The participation rate is nearly 100%. Objective: We assessed oral health-related behaviour (OHB) among expecting mothers visiting Finnish maternity health clinics. Methods: Expecting mothers (n=211) attending two m...

Background: Dental general anaesthesia (DGA) is a very efficient treatment modality, but is considered only in the last resort because of the risks posed by general anaesthesia to patients' overall health. Health services and their treatment policies regarding DGA vary from country to country. The aims of this work were to determine the reasons fo...

To assess the prevalence and technical quality of endodontic treatment (ET) in Finland by panoramic radiography. As part of the Finnish nationwide Health 2000 Survey, panoramic radiographs of 5244 dentate subjects, aged 30-95 years, were analyzed. The criterion for a technically adequate ET was a distance from the root filling to the root apex of ≤...

Tseveenjav B, Suominen AL, Vehkalahti MM. Oral health-related behaviours among dentate adults in Finland: findings from the Finnish Health 2000 Survey. Eur J Oral Sci 2012; 120: 54–60. © 2012 Eur J Oral Sci The aim of this study was to assess oral health-related behaviours among dentate adults. As part of the comprehensive Finnish Health 2000 Surve...

We evaluated the impact of educational interventions on sugary snacking in infants and toddlers in Tehran, Iran. A 6-month intervention was integrated into health staff duties. We assigned 12- to 15-month-olds (n = 242) and their mothers attending the vaccination offices of 18 randomly selected public health centers into the following groups: pamph...

Objective: This study aimed at evaluating dentists' perceived reasons for replacement of restorations and ascertaining the differences arising from dentists' gender, time since graduation and working sector (salaried vs private). Materials and methods: A postal questionnaire was sent to a total of 592 working-age general dental practitioners in...

Objectives: To investigate self-assessed oral health and oral health behaviours of adults in Tehran, Iran. Methods: Seven-digit numbers resembling real phone numbers were drawn using a two-stage stratified random technique to represent adults in Tehran. A total of 1,307 adults answered the calls by four trained interviewers, and 1,086 (83%) a...

Objectives: We assessed occurrence of untreated root caries and factors related to it in Finland. Methods: The nationwide Health 2000 Survey in Finland used a representative sample (N=8028) of subjects aged 30+ years; 79% (n=6335) participated in the clinical oral examination and reported their oral self-care. Of the respondents, 85% (n=5401) wer...

For patients with missing ability for normal dental care, Public Dental Service (PDS) in Helsinki offers dental treatment under general anaesthesia (GA). Objectives: We assessed reasons for dental care under GA in relation to patients' personal and medical background in Helsinki, Finland. Methods: All dental GA appointments (n=355) in the Helsi...

To explore the role of sense of coherence (SOC) as a mediator in the relationship between childhood socioeconomic position (SEP) and tooth retention in adulthood. Data from 5401 dentate adults aged 30 and over who participated in the nationally representative Finnish Health 2000 Survey were analysed. Participants provided information on demographic...

BACKGROUND AND OBJECTIVES. Many previous studies showed clear gender differences in the percentages of adults reporting toothbrushing more than once a day. This study evaluated the factors determining gender differences in toothbrushing among Lithuanian middle-aged university employees. MATERIAL AND METHODS. A questionnaire survey was anonymously c...

Tseveenjav B, Suominen AL, Hausen H, Vehkalahti MM. The role of sugar, xylitol, toothbrushing frequency, and use of fluoride toothpaste in maintenance of adults’ dental health: findings from the Finnish National Health 2000 Survey. Eur J Oral Sci 2011; 119: 40–47. © 2011 Eur J Oral Sci We assessed the effect of certain oral health-related behaviour...

To assess the relationship between insurance status and type of service received among dentate adults in a developing oral health care system. A cross-sectional survey based on phone interviews in Tehran, Iran. Four trained interviewers collected data using a structured questionnaire. Of 1,531 subjects answering the phone call, 224 were <18 years;...

To assess the relationship between sense of coherence (SOC) and oral health, and the role of oral health-related behaviours in this relationship. This is a cross-sectional study of 5401 dentate adults who participated in the nationally representative Health 2000 Survey in Finland. The survey gathered information on SOC, demographic characteristics,...

The aim of the study was to evaluate the prevalence and simultaneous occurrence of periodontal disease and dental caries in Finnish adults. The study was performed as part of the nationally representative Health 2000 Survey. The study population was 5255 subjects aged 30 years and older. Probing pocket depth (PPD) and untreated dentinal caries were...

To assess the relationship between education level and several oral health outcomes in Finnish adults, using three conceptual lifecourse models. This study analysed data from 7112 subjects, aged 30 years or over, who participated in the nationally representative Finnish Health 2000 Survey. Parental and own education levels were the childhood and ad...

Objectives: One of the most common dental treatments is replacement of restoration. Previously an alternative and less invasive treatment strategy of repair of restoration has been suggested. We assessed dentists' interest in repairing inadequate restorations in adults and investigated how that varied by dentist's gender, year of graduation, and wo...

The aim of the present study was to identify the underlying patterns of oral cleaning habits and the use of fluoride, and to investigate their variations by studying the socioeconomic characteristics among Finnish dentate adults aged 30 to 64 years. Participants of the nationwide Health 2000 survey who were dentate, aged 30 to 64 years, and underwe...

Abstract – Objectives: Evaluation of the effectiveness of a school-based oral health promotion intervention on preadolescents’ gingival health. Methods: A community trial designed for a 3-month intervention study in a representative sample of 9-year-olds (n = 457) in 16 schools in Tehran, Iran. The schools were randomly assigned to three interventi...

To investigate patients' reasons for selecting a dental clinic given their choice of free or highly-subsidized dental services. The study was based on cross-sectional data obtained through phone interviews with adults in Tehran, Iran. The present study included those entitled to free or highly-subsidized dental services (n = 726). The data covered...

The aim of this study was to determine the most appropriate set of weights with which to calculate the number of sound-equivalent teeth (T-Health index) against perceived oral health, which was used as a proxy of oral health status. This study used data from 5,057 dentate subjects, > or = 30 yr of age, who ere participating in the Finnish Health 20...

Our aim in this study was to determine whether there is an association between cynical hostility and clinically determined poor oral health, and whether this association is confounded by socioeconomic position and mediated by health behavior. The sample consisted of 4,207 dentate Finns, 30-64 yr of age. Oral health was measured in terms of numbers...

Schools can be an important setting for health education programmes, controlling the growing burden of oral diseases and promoting oral health. Aim. The aim of this study was to evaluate the short-term effect of school-based educational intervention on oral cleanliness and gingival health of 15-year-olds in Tehran, Iran. The present cluster randomi...

Early childhood caries (ECC) remains a serious problem in several developing and developed countries. This cluster randomised trial evaluated the impact of a 6-month educational intervention on ECC. The trial targeted 12- to 15-month-old children (n = 242) and their mothers in Tehran, Iran, visiting 18 public health centres, randomly selected and a...

This study aimed to evaluate and describe the dental attendance patterns and to characterize the factors that encourage preventive dental visits among 35- to 44-year-old university employees in Lithuania. A questionnaire survey was conducted anonymously among the 35- to 44-year-old employees (n=862) of four universities in Lithuania in 2005. The re...

The aim of this study was to evaluate the severity of the findings of dental plaque, calculus and deepened periodontal pockets in relation to self-reported toothbrushing frequency in a group of elderly Lithuanians. The authors hypothesised that those reporting twice daily toothbrushing exhibit less severe periodontal findings. A cross-sectional stu...

The purpose of this study was to analyze the 5-year survival rates of 82 patients with lip cancer attending 5 university hospitals during 1999-2003 in Tehran, Iran. We used information from patient records, telephone calls, and death register files of the Iran Ministry of Health to ascertain the patients' vital status. Associations between survival...

The objective of this study was to assess the periodontal treatment needs and the dental status in relation to smoking indicators with special emphasis on lifelong exposure to smoking among 35- to 44-year-old Iranian dentate subjects. Data (N = 8276) were collected as part of a national survey using the World Health Organization criteria for sampli...

The aim of this study was to examine the perceived barriers to preventive dental practice among Iranian dentists. A questionnaire survey was performed among the dentists who participated in two annual dental meetings (conducted in December 2004 and in July 2005) in Tehran, Iran. The dentists who attended the meeting completed the self-administered...

To evaluate Finnish dentists' perceptions of the longevity of direct dental restorations; to assess the possible impacts of dentists' characteristics on these perceptions; and to compare the present longevity estimates with those of recent European reports. A questionnaire to 592 general practitioners, systematically sampled from the Finnish Dental...

To study oral health status and treatment need among 15-year-olds in Tehran, Iran in relation to their parents' level of education. A cross-sectional study based on the WHO criteria, was carried out in 2004 among 15-year-olds (n=506) in Tehran. Data collection was by a self-administered questionnaire and a clinical dental examination to assess dent...

To study Iranian dentists' conceptions of the earliest stage to place a restoration on proximal caries lesions. A questionnaire survey was carried out among the participants of two annual dental meetings in Tehran, Iran, in December 2004 and July 2005. The questionnaire was filled in anonymously and returned during the meeting days. The questions c...

To investigate the impact of feeding habits and daytime sugar intake on the prevalence of early childhood caries in a population where prolonged breastfeeding is a norm. A cross-sectional study was carried out at 18 of 102 public health centers in Tehran. During a 4-day period at each center, between 20 and 35 children aged 1-3 years were enrolled,...

To investigate the oral health status of 18-year-old Iranians in relation to their gender, place of residence and level of education. Thirty-three calibrated examiners in 2002 collected data as part of a national survey, according to World Health Organization criteria for sampling and clinical diagnoses, across 28 provinces. The study sample was 4,...

This study aimed to investigate the frequency of tooth loss and the magnitude of prosthodontic rehabilitation based on socio-demographic information among 35- to 44-year-old Iranians. Data (n = 8240) were collected by 33 examiners as part of a national survey using WHO criteria for sampling and clinical diagnosis. Gender, age, place of residence an...

In this retrospective study we analysed the survival in 470 patients with oral cancer. Patients who attended five university hospitals in Tehran, Iran, during the period 1996-2002 were included. Data were obtained from a combination of sources including patients' records, telephone calls, and deaths registered by the Ministry of Health. Survival cu...

Background: In Helsinki Public Dental Service (PDS) the Special Oral Health Care Unit (SOHCU) provides comprehensive dental treatments under general anaesthesia (GA). For the present study, all dental treatment given under GA for generally healthy children (n = 102) below 16 years of age (range 2.3-15.8) during a 1-year period and dental treatment...

Our objective was to study whether dental condition, measured by numbers of sound, decayed, missing, and restored teeth, was associated with dental fear, and whether age, dental attendance, and/or gender modified this association. The sample (n=8,028) comprised Finnish adults aged 30 years and older and the study included people (n=6,335) who parti...

This study investigated the role of mothers in their preadolescents' oral self-care (OSC) and oral health in Tehran, Iran. In 2005, two self-administered questionnaires provided data on a random sample of 9-year-old children (N = 416) and their mothers. Brushing frequency, use of fluoridated dentifrice and the number of sugary snacks between meals...