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At least 973 records · Page 54Linked to original sources
PubMed2004

How do age and tooth loss affect oral health impacts and quality of life? A study comparing two national samples.

Age and loss of teeth can be expected to have a complex relationship with oral health-related quality of life. This study aimed to explain how age and tooth loss affect the impact of oral health on daily living using the short form, 14-item Oral Health Impact Profile (OHIP-14) on national population samples of dentate adults from the UK (1998 UK Adult Dental Health Survey) and Australia (1999 National Dental Telephone Interview Survey). After correcting for key covariables, increasing age was associated with better mean impact scores in both populations. Those aged 30-49 years in Australia showed the worst (highest) scores. In the UK, those aged under 30 showed the highest scores. In both countries, adults aged 70+ showed much better scores than the rest (P < 0.001). When corrected for age, the independent effect of tooth loss was that the worst scores were found where there were fewer than 17 natural teeth in the UK and fewer than 21 teeth in Australia. People with 25 or more teeth averaged much better scores than all other groups (P < 0.001), although there were differences in pattern between countries. When Australians were analysed by region of birth, the pattern of scores by tooth loss for British/Irish immigrants was strikingly similar to that for the UK sample. First-generation immigrants from elsewhere showed much worse overall scores and a profoundly different pattern to the Australian- and British-born groups. Age, number of teeth and cultural background are important variables influencing oral health-related quality of life.

Adolescent↗
PubMed1992

[Impacted teeth].

Prevention of impaction depends in many cases on the knowledge of variations in eruption sequences. However, in case of impaction, spontaneous eruption can be stimulated by exposing the tooth with the modified window-technique. Frequent communications between dentist, orthodontist and oral surgeon are required to determine the right time of intervention.

Humans↗
PubMed1999

[Role of inheritability of tooth form, tooth malformation and tooth position].

A common technique to divide the influence of heredity and environment on certain characteristics, or pathologies is the one that uses twins. There are more or less complex techniques to carry out twin research, from which the most simple procedure consists of determining the amount of concordance of certain characteristics in monozygotic (MZ) and dizygotic (DZ) twins. In individuals who develop from one oocyte, like MZ twins, one would expect a correlation of 1.00 (or 100% concordance) purely from their gene-relation. DZ twins are the result of separate conceptions of the same parents and they thus differ as much from each other as ordinary brothers and sisters. The most recently developed twin-methodologies use path analysis and model fitting for the estimations of the heritabilities and environmental influences on certain characteristics. In this article it is tried to picture the genetic an environmental influence on tooth form, tooth position and occlusal characteristics with different genetic techniques. Generally it can be concluded that our genes are of utmost importance for tooth form and tooth malformations, but the environment has a much bigger impact on tooth position and occlusal parameters.

Environment↗
PubMedDate not supplied

Treatment of ectopically erupting maxillary permanent first molars with a distal extended stainless steel crown.

The exaggerated mesial eruption of the permanent first molar can result in the tooth becoming impacted, or the premature atypical resorption and exfoliation of the primary molar, with a resultant loss of space. A stainless steel crown with a distal guide plane was placed on a primary molar to correct the aberrant eruption angle of the permanent tooth. This procedure can be used successfully for both partially and totally tissue-impacted teeth, and is described in this report.

Child↗