Epidemiology and Oral Health Flashcards
What type of bodies use oral health surveys?
Local and national organisations
PCT
Local governemtn
Why are orla heath surveys important?
to delegate services
Which children surveys exist?
BASCD
CDH
National Diet and Nutrition surveys
What adult surveys exist?
ADH
National diet and nutrition survery
What are exmaples of surverys for routinely collected data?
cancer registartion and BSA data (business service authority )
When is the CDH survery carried out?
every 10 years
When did the CDH survey begin?
1973
What areas on the UK are included in the CDH survery?
the whole of the UK and then is broken down by region
What are the age groups of the CDH?
5
8
12
15
What areas of oral health are looked at in the CDH survey?
caries perio trauma malocclusion TSL ENamel Opacities patterns of service usage
How has the treand in dental caries changed between 1983 and 2003? According to CDH
amongst each age group (8/12/15) caries has reduced.
Overall caries is greatest in 15 years olds and lowest amonsgt 8 year olds
How has dental trauma incidence changed between 1983 and 2003?
reducing (why? less active, ortho, gumshields) affects more boys than girls (1.5:1) 1983: 25% 1993: 17% 2003: 12%
what is the BASCD?
British association for the study of community dentistry
Nationally co ordinated survery and commissoned by PCTS
every 4 years
Trained and calibrated examiners from CDS
WHat age groups are included in the BASCD?
5 and 12 year olds
Used to be 5/12/14
Which UK country do 12 year olds have the highest DMFT?
scotland
Which UK country do 12 year olds have the lowest DMFT?
England *wales is second)
What has the BASCD survery showed with regards to caries treands for 12 year olds?
since 1988 to 2004
each country has shown a reuction in DMFT for 12 year olds
In 2004 what was the mean DMFT of 5 year olds in Bristol and how does this compare to the mean DMFT in England?
1.4
similar
What percentag eof children in Bristol have decay?
37%
WHat is the mean DMFt of 5 yr olds in Bristol those with decay? How does this vary with location?
3.96
Knowle 8x more children with a DMFT >2.0 compared to Westbury on trym
Knowle DMFT is 2.94 and 60% of kids have decay
WHen did the ADH survery first begin? how often is it published?
1968
every 10 yrs
WHat things are looked at in the ADH?
ODU CA PSO
Oral health and function
Disease and related disorders
Urgent conditions
Complexity and maintenance
Access and barriers to care
Preventative behaviour
Service considerations
outcome and impact
What did the ADH survery 2009 show regarding edentulousness for those under 45?
very likley this age group will retain teeth through whole life
What did the ADH survery 2009 show regarding edentulousnes in those over 45?
far fewer sound teeth
How does the condition of teeth vary with social class?
those in highr social classes have good OH fewer carious teth and not in dental pain compared to those of lower social classes who are also more likely to be edentulous
What percentage of adults have severe perio?
1%
What percentage of adults have pocketing of more than 4mm>
45% in more than one tooth
What percentage have pocketing of more than 6mm?
8%
Is perio disease more common in men or women?
Men
How is perio linked to SES?
more prevalent in those of lower SES
How has perio condition changed between 1998 and 2009?
reduction in the relevance of pocketing at 4mm
No change in severe perio
In which age groups do we see moderate levels of attachment loss?
middle aged and elderly
T/F Perio disease is the major cause of tooth loss in the over 40s
F
What oral health conditions do we have limited data on?
soft tissue lesions and pre cancerous lesions,local date for adults
What is tje Global picture of OH practice?
OH in developed countries is improving
OH in developing countries is worseining
What is the most common chronic childhood (5-17) disease in the USA?
Caries
T/F caries is more common than asthma in USA?
T
What percengtage of american children ages 5-9 have had a caries experience?
> 50%
what percentag eof 17 year olds have had caries experience in USA?
78%
T/F the caries experience has not changed in the last 10 years in america?
T
is the spread of decay equal amongst the rich and poor in america?
No
poor children have twice as much decay as affluent children
In 2007 What percentage of 3-5 year olds in China have dental decay?
55%
In 2007 What percentage of 3-5 year olds in China have rampant decay?
14%
in which group of chinese people are root caries more common in?
65-74 year olds
T/F there has been an improvment in Chinese peoples oral health in the last 10 years?
F
which Chinese children, rural or urban, have more dental decay?
rural
In 2002 What percentage of Chinese 5 year olds had caries and what was the mean DMFT?
76%
DMFT 4.5
What percentage of 12 and 15 years olds are having ortho? Is this equal across all SES?
35% 12 year olds need ortho
14% 15 year olds having
15% of students in non deprived schools having ortho
10% students in deprived schools
What did the 2007/8 BASCD surgery show?
40% 5 yr olds had decay (18-53%)
Mean DMFT 1.11
What percentage of 75-84 yr olds have loss of attachment of more than 4mm?
76%
What behavioural factor is strongly linked to perio?
Smoking
Wat have been the improvement in caries in industrialised conpuntires?
Caries peaked 1950/60
Similar sugar consumption as before but pattern of eating has changed and fluorides more available
