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Exploring sibling patterns in dental treatment under general anaesthetic
K Julia Hurry1, Janet Davies2, Amrisha Ondhia3
1Centre for Oral Bioengineering, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, United Kingdom. k.j.hurry@qmul.ac.uk.
British Dental Journal
|April 2, 2026
Summary
Dental treatment under general anaesthesia (DGA) in siblings reveals significant socioeconomic and ethnic disparities. Shared risk factors within families indicate a need for family-centered interventions to address childhood dental health inequalities.
Area of Science:
- Pediatric Dentistry
- Public Health
- Health Services Research
Background:
- Dental treatment under general anaesthesia (DGA) is a significant public health issue for children.
- Dental extractions are the primary cause of hospital admissions for UK children aged 6-10.
- Previous research identified family risk factors, but UK studies on siblings undergoing DGA are lacking.
Purpose of the Study:
- To describe sociodemographic characteristics of siblings receiving DGA.
- To outline diagnoses and treatments for siblings undergoing DGA.
- To identify predictors of repeat DGA in siblings and compare within- and between-family factors.
Main Methods:
- Retrospective cohort study of children treated with DGA at a London teaching hospital (2010-2021).
- Siblings identified using surname, address, and next-of-kin data.
- Analysis of sociodemographic and treatment data using SPSS.
Main Results:
- 6% of children had siblings who also underwent DGA (356 families).
- Most siblings were aged 3-9 years, Asian (38%), and from deprived areas (83%). Caries (92%) and extractions (98%) were most common.
- Young age, Black ethnicity, developmental conditions, and prior restorations predicted repeat DGA.
Conclusions:
- DGA in siblings highlights ethnic and socioeconomic inequalities in pediatric dental care.
- Strong within-family concordance suggests shared risk factors.
- Family-based interventions are needed to address these disparities.
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