S. Mahmood et Rj. Smales, LONGEVITY OF DENTAL RESTORATIONS IN SELECTED PATIENTS FROM DIFFERENT PRACTICE ENVIRONMENTS, Australian dental journal, 39(1), 1994, pp. 15-17
The objective of the study was to evaluate the long-term survivals or
longevity of dental restorations placed in selected patients from diff
erent practice environments in two countries. The case histories of 46
adult patients with 622 restorations placed in three private practice
s in Pakistan were followed for a minimum of 10 years, and compared wi
th similar assessments of 50 adult patients with 966 restorations plac
ed in a dental hospital in Australia. Amalgam and composite resin rest
orations showed similar survivals in both countries, but cast gold res
torations had much lower survivals in the Pakistan group of patients.
In both countries, restoration survivals were significantly better in
females, and when patients attended less frequently for treatment. For
the Australian group, changes in dental operators also gave significa
ntly better survivals, and there were significant restoration survival
differences present between the three practices in Pakistan.