Trends in periodontal health among 35‐year‐olds in Oslo, 1973–2003

Skudutyte‐Rysstad, Rasa; Eriksen, Harald M.; Hansen, B. Frode

doi:10.1111/j.1600-051x.2007.01129.x

Cited by 59 publications

(78 citation statements)

References 22 publications

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“…The main result of the present study was that the prevalence of ABL has decreased over the past 30 years, as reported in other studies (5,6). However, an increase in moderate ABL and visible calculus on radiographs was seen between the study years 2008 and 2013.…”

Section: Discussionsupporting

confidence: 87%

“…The prevalence varies between countries, but together with dental caries and its sequelae, periodontitis is the most common reason for tooth loss in adults (1)(2)(3)(4). The vast majority of studies reveal that the prevalence of periodontally healthy individuals is increasing (5)(6)(7). Severe periodontitis is more common in older age groups, with a prevalence of 5% to 15% in most populations (8).…”

Section: Introductionmentioning

confidence: 99%

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Trends over 30 years in the prevalence and severity of alveolar bone loss and the influence of smoking and socio‐economic factors – based on epidemiological surveys in Sweden 1983–2013

Edman

Öhrn

Nordström

et al. 2015

Int J Dental Hygiene

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ObjectiveEpidemiological studies of the prevalence of periodontitis over an extended time using the same methodology to investigate and classify periodontitis are sparse in the literature. Smoking and socio‐economic factors have been proven to increase the risk for periodontal disease. The objective of this study was to investigate 30‐year time trends, using the same methodology to classify the prevalence and severity in alveolar bone loss (ABL) and to investigate the influence of tobacco and socio‐economic factors.MethodsFour cross‐sectional epidemiological studies in an adult population were performed in the county of Dalarna, Sweden, in 1983, 2003, 2008 and 2013. Random samples of 787–1133 individuals aged 35–85 who answered a questionnaire about tobacco use and socio‐economic factors were radiographically and clinically examined. A number of teeth, ABL and calculus visible on radiographs were registered. The severity of ABL as detected on radiographs was classified into no bone loss, moderate or severe.ResultsThe prevalence of moderate ABL decreased from 45% in 1983 to 16% in 2008, but increased to 33% in 2013 (P < 0.05). The prevalence of severe ABL remained the same from 1983 (7%) to 2013 (6%). Calculus visible on radiographs increased from 22% in 2008 to 32% in 2013 (P < 0.05). Socio‐economic factors had limited impact on the severity of ABL.ConclusionModerate ABL and calculus visible on radiographs significantly increased between 2008 and 2013. Smoking was the strongest factor associated with ABL overall.

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Section: Discussionsupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Trends over 30 years in the prevalence and severity of alveolar bone loss and the influence of smoking and socio‐economic factors – based on epidemiological surveys in Sweden 1983–2013

Edman

Öhrn

Nordström

et al. 2015

Int J Dental Hygiene

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“…Eleven percent had CPITN scores of 4 (at least one pocket > or = 6 mm). A study on periodontal health status of 35 year olds in Oslo showed a decrease in the proportion of persons with CPITN scores of 4 from 21.9% in 1984 to 8.1% in 2003 [25]. It is difficult to compare the DMFT and CPITN values from this study with the studies from Oslo and Trøndelag because of the small sample size and wide age range in this study.…”

Section: Discussioncontrasting

confidence: 43%

Oral health of adults in northern Norway – A pilot study

Adekoya¹,

Brustad²

2012

Nor J Epidemiol

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There is a deficiency of data on oral health of adults in northern Norway, and available reports indicate poorer oral health in the north as compared with the rest of the country. The objective of this pilot study was to develop and test out tools for a larger epidemiological study of oral health among adults in northern Norway. The study was conducted in the municipalities of Nordkapp and Båtsfjord located in the northernmost county, Finnmark. Questionnaires and letters of invitation were sent to 100 randomly selected individuals in each town, in total 200. Those who filled and returned the questionnaires were sent appointment cards to a free oral examination at the local dental clinic. The main finding from the study was a low response rate; 34% responded to the questionnaire and 26.5% attended the oral examination. Response rate was highest among women above forty years old (37%) and lowest among men under forty years (12%). There is a necessity for further studies and strategies to increase response rate to subsequent oral epidemiologic studies in northern Norway. Radiological examination is not necessary for such studies but a questionnaire and a physical oral examination should be included.

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“…It is one of the most prevalent infectious diseases in the world. With percentages of moderate disease ranging from just below 20% in an age group of 30 to 40 year-olds in Swedish and Norwegian studies to even up to 38% of severe cases in the United States in an on average 75 year-old male population [1-3]. Besides high prevalence also links to systemic diseases have been described.…”

Section: Introductionmentioning

confidence: 99%

The core genome of the anaerobic oral pathogenic bacterium Porphyromonas gingivalis

et al. 2010

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BackgroundThe Gram negative anaerobic bacterium Porphyromonas gingivalis has long been recognized as a causative agent of periodontitis. Periodontitis is a chronic infectious disease of the tooth supporting tissues eventually leading to tooth-loss. Capsular polysaccharide (CPS) of P. gingivalis has been shown to be an important virulence determinant. Seven capsular serotypes have been described. Here, we used micro-array based comparative genomic hybridization analysis (CGH) to analyze a representative of each of the capsular serotypes and a non-encapsulated strain against the highly virulent and sequenced W83 strain. We defined absent calls using Arabidopsis thaliana negative control probes, with the aim to distinguish between aberrations due to mutations and gene gain/loss.ResultsOur analyses allowed us to call aberrant genes, absent genes and divergent regions in each of the test strains. A conserved core P. gingivalis genome was described, which consists of 80% of the analyzed genes from the sequenced W83 strain. The percentage of aberrant genes between the test strains and control strain W83 was 8.2% to 13.7%. Among the aberrant genes many CPS biosynthesis genes were found. Most other virulence related genes could be found in the conserved core genome. Comparing highly virulent strains with less virulent strains indicates that hmuS, a putative CobN/Mg chelatase involved in heme uptake, may be a more relevant virulence determinant than previously expected. Furthermore, the description of the 39 W83-specific genes could give more insight in why this strain is more virulent than others.ConclusionAnalyses of the genetic content of the P. gingivalis capsular serotypes allowed the description of a P. gingivalis core genome. The high resolution data from three types of analysis of triplicate hybridization experiments may explain the higher divergence between P. gingivalis strains than previously recognized.

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Trends in periodontal health among 35‐year‐olds in Oslo, 1973–2003

Abstract: The results suggest that periodontal health and oral hygiene have been improving among 35-year-olds in Oslo during the last 30 years.

Cited by 59 publications

References 22 publications

Trends over 30 years in the prevalence and severity of alveolar bone loss and the influence of smoking and socio‐economic factors – based on epidemiological surveys in Sweden 1983–2013

Trends over 30 years in the prevalence and severity of alveolar bone loss and the influence of smoking and socio‐economic factors – based on epidemiological surveys in Sweden 1983–2013

Oral health of adults in northern Norway – A pilot study

The core genome of the anaerobic oral pathogenic bacterium Porphyromonas gingivalis

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