The quality of undergraduate crown and bridge impressions: a three-cycle audit

James Puryer, Zoe Pais, Alison Pua, Sonia Manikam, Leanne Houri, Katherine Anderson

Research output: Contribution to journalArticle (Academic Journal)peer-review

121 Downloads (Pure)

Abstract

Introduction: The importance of an accurate impression of a prepared tooth is essential for the construction of an indirect restoration. Several UK studies have highlighted deficiencies in the quality of impressions. Clinical audit is an accepted method of quality assessment, assuring appropriate treatment outcomes.

Aim: To audit the quality of crown and bridge impressions taken by undergraduates at Bristol Dental School.

Audit Process: One hundred impressions taken by dental undergraduates for the provision of indirect restorations were audited in 2014, one hundred impressions in 2016 and a further 100 impressions in 2018. Impressions were inspected under magnification and assessed for a variety of factors related to quality.

Results: The proportion of ‘satisfactory’ working impressions rose considerably from 2014 (42%) to 2018 (72%). In 2014, 42% of impressions had faults at the impression margin, and this fell to just 2% by 2018. By 2018, 100% of impressions were taken in an appropriately sized tray, and almost all (98%) were adequately disinfected.

Conclusion: This paper reinforces the benefit of clinical audit. The 2018 audit found that 85% of working impressions were of an acceptable standard which compares very favourably with previously published studies.
Original languageEnglish
Pages (from-to)22-29
Number of pages18
JournalFaculty Dental Journal
Volume11
Issue number1
Early online date31 Dec 2019
DOIs
Publication statusPublished - 1 Jan 2020

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