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JCDA - Canadian Dental Association

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Clinical Abstracts<br />

3 Is<br />

4 Can<br />

childhood obesity a risk factor for traumatic dental injuries?<br />

Petti S, Cairella G, Tarsitani G. Childhood obesity: a risk factor for traumatic injuries to anterior teeth.<br />

Endod Dent Traumatol 1996; 13(6):285–8.<br />

Background<br />

Because the prevalence of traumatic dental injuries in<br />

children is high, risk factors need to be identified to provide<br />

the basis for the development of preventive programs. One<br />

possible risk factor is obesity. Childhood obesity is widespread,<br />

affecting between 10% and 15% of children in<br />

developed countries. This study examined the relationship<br />

between obesity and traumatic dental injuries among 6- to<br />

11-year-old schoolchildren in Rome, Italy.<br />

Methods<br />

Four calibrated dentists examined 938 schoolchildren<br />

6 to 11 years old. Overjet, upper lip uncoverage, upper<br />

incisor protrusion, subjects’ weight to the nearest 0.1 kg<br />

and height to the nearest 5 mm were recorded. Body mass<br />

index (BMI) was calculated using the formula<br />

weight/height 2 . When the value of the BMI was equal to or<br />

higher than the value of the 97th percentile of the age- and<br />

sex-specific reference table, the child was defined as obese.<br />

traumatic injuries have an impact on oral health-related quality of life in children?<br />

Cortes MI, Marcenes W, Sheiham A. Impact of traumatic injuries to the permanent teeth on the oral health-related<br />

quality of life in 12–14-year-old-children. Community Dent Oral Epidemiol 2002; 30(3):193–8.<br />

Background<br />

Children are subject to a number of oral conditions that<br />

can impact on quality of life. Many children with traumatic<br />

injuries to the anterior dentition are not treated or receive<br />

inadequate treatment. This study assessed the social impact<br />

and dental consequences of untreated fractured anterior<br />

teeth in Brazilian schoolchildren.<br />

Methods<br />

A population-based matched case–control study was<br />

carried out (2:1 control-to-case ratio). Sixty-eight cases of<br />

12- to 14-year-old children with untreated and fractured<br />

teeth were included. The controls were 136 children without<br />

traumatic dental injury. The children were matched by<br />

age, sex and socio-economic status. The Oral Impact on<br />

Daily Performances (OIDP) index, which assesses 8 physical,<br />

psychological and social functions, was used to<br />

compare the oral health-related quality of life of the cases<br />

and controls.<br />

674 November 2003, Vol. 69, No. 10<br />

Results<br />

The sample included 11.4% obese children (n = 107).<br />

Overall prevalence of dental injury was 21.3%, and prevalence<br />

among obese and non-obese children was 31.8% and<br />

20%, respectively. Variables significantly affecting the<br />

probability of injury were upper lip uncoverage<br />

(OR = 1.23, 95% CI 1.03–1.49), overjet larger than 3 mm<br />

(OR = 1.68, 95% CI 1.21–2.33) and obesity (OR = 1.45,<br />

95% CI 1.08–1.94).<br />

Clinical Significance<br />

The study showed that obesity significantly increased<br />

the risk of traumatic dental injury. The obese children<br />

included in the study were less active than the other<br />

children, suggesting that an active lifestyle may protect a<br />

child from dental trauma. Childhood obesity is a concern<br />

because of its links to systemic conditions such as heart<br />

disease and diabetes. The study provides one more reason<br />

for children to adopt active lifestyles. C<br />

Results<br />

In all, 66% of children with trauma reported some<br />

impact on daily living as a result of their oral condition,<br />

compared to 14.7% of children without injury (p < 0.001).<br />

The former group was more likely to report feeling embarrassed<br />

when laughing or smiling (55.9% vs. 13.2%), being<br />

irritable (33.8% vs. 5.1%), having problems with eating<br />

and enjoying food (19.1% vs. 1.5%) and reduced enjoyment<br />

from contact with other people (14.7% vs. 1.5%).<br />

These differences remained after controlling for each child’s<br />

orthodontic condition and caries experience.<br />

Clinical Significance<br />

Children with untreated dental fractures have poorer<br />

oral health-related quality of life than those without fractured<br />

teeth. The fact that some studies indicate that many<br />

children do not receive treatment for their injuries should<br />

therefore be of concern to dental professionals and public<br />

health officials. C<br />

Journal of the <strong>Canadian</strong> <strong>Dental</strong> <strong>Association</strong>

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