الفهرس 
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Abstract
Early childhood caries is highly prevalent, and increasing in preschool children. Consequences of ECC include a higher risk of new carious lesions in both primary, and permanent dentitions, hospitalizations, emergency room visit, loss of school days, diminished ability to learn, and oral health-related quality of life is highly affected. Immediate dental intervention is necessary to prevent further tooth destruction, as well as more widespread health problems.
Prevalence of comprehensive dental treatments for children with ECC under GA has greatly increased. Considering the high cost and potential risks of GA, it is necessary to minimize the risk of treatment failures in time. Therefore, evaluation of such failures seemed essential.(77)
The aim of this study was to assess the restorative failure after dental treatment under GA for children with early childhood caries. In our study, all available records of healthy children diagnosed with ECC who received dental treatment under GA in Faculty of Dentistry, Alexandria University during 2013-2014, with minimum 6 months recall period had been passed from their treatment were evaluated by the researcher. Patients have been divided into two groups according to recall period (group I after 6 months, and group II after 12 months), each group consisted of the patients that fulfilled the inclusion criteria.
Results revealed that for patients after 6 months recall period(group I) composite restorations recorded the highest failure rate (96.2%), followed by anterior GIC (91.7%), posterior GIC (20%), SSC (1%), and finally the lowest failure rate was related to amalgam(0%), while in patients after12 months recall period (group II), composite restorations also recorded the highest failure rate (88.5%), followed by anterior GIC (77.8%), posterior GIC (28.6%), amalgam (13.0%), and finally the lowest failure rate was related to SSCs (5.6%).
Results also revealed that restorations in both groups failed for the same reasons: main cause of composite failure was due to dislodgment. Amalgam failure was due to secondary caries, followed by fracture. GIC failure was due to both dislodgment, and secondary caries, and finally SSC failure because of loss of retention.
Failure to return for post operative dental visits, and unsupervised brushing by parents affected restorative failure significantly. Therefore, preventive measures should be taken to minimize development of ECC in the first place.