Shahid Mahmood, Roger J Smales.
Placement of restorations in selected patients from different practice environments.
J Pak Dent Assoc Jan ;11(3):131-6.

OBJECTIVE: To record the restorations placed in selected patients from different practice environments in two countries, and to assess the effects of two factors on the numbers of restorations placed. DESIGN: The case histories of 46 adult patients with 604 restorations placed in three private practices in Pakistan were followed retrospectively for a minimum of ten years, and compared with similar records of 50 adult patients with 977 restorations placed in a teaching hospital in South Australia. RESULTS: Amalgam was the most commonly used restorative material in both groups of patients, and most of the amalgams were placed in Class I and II preparations. Significantly more glass ionomers were placed in the Adelaide group, and significantly more crowns and root canal therapies were provided in the Pakistan group. Restoration replacements were higher in the Adelaide than in the Pakistan group. The numbers of restorations placed increased significantly with frequent attendance or recalls for the Adelaide, but not for the Pakistan group. For the Adelaide group, there were also more restorations placed when the patients did not change dentists or operators, than when there was a change. Conclusion: There were some significant differences present in the types and numbers of restorations placed in the two different practice environments.

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