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Dental anxiety, distress at induction and postoperative morbidity in children undergoing tooth extraction using general anaesthesia.

Hosey MT, Macpherson LM, Adair P, Tochel C, Burnside G, Pine C

University of Glasgow Dental School, 378 Sauchiehall Street, Glasgow, G2 3JZ, UK. m.t.hosey@dental.gla.ac.uk

OBJECTIVE: To report on the prevalence of postoperative morbidity in children undergoing tooth extraction under chair dental general anaesthetic (CDGA) in relation to pre-operative dental anxiety and anaesthetic induction distress. DESIGN: A prospective national study. SETTING: Twenty-five Scottish DGA centres in 2001. SUBJECTS AND METHOD: Four hundred and seven children (mean age 6.6 years; range: 2.3 to 14.8 years; 52% male). Before CDGA, the Modified Child Dental Anxiety (MCDAS) and Modified Dental Anxiety (MDAS) Scales were completed for children and accompanying adult respectively; the latter also returned a morbidity questionnaire 24 hours and one week post-operatively. Anaesthetic induction distress was scored immediately before CDGA induction using the Children's Hospital of Eastern Ontario Pain Scale (CHEOPS). RESULTS: The mean MCDAS score was 24.2 (population norm 18.2); 21% of adults were anxious. Forty-two per cent of children had induction distress; this related to their MCDAS scores (r=0.43, p<0.001, Pearson Product Moment Correlation Coefficient). Morbidity at 24 hours and seven days was 63% and 24% respectively; this related to MCDAS scores (r=0.15, p=0.029 and r=0.17, p=0.009, Pearson Product Moment Correlation Coefficient) and to induction distress (chi2=7.14, p=0.007 and chi2=11.70, p=0.001). CONCLUSION: The majority of children suffered next day morbidity and many still had symptoms a week later. Most children were dentally anxious; this related to induction distress and postoperative morbidity.

Published 17 January 2006 in Br Dent J, 200(1): 39-43; discussion 27.
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