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Amalgam Phase-Down Part 1: UK-Based Posterior Restorative Material and Technique Use.

O Bailey1, C R Vernazza1, S Stone1

  • 1School of Dental Sciences, Newcastle University, Newcastle upon Tyne, UK.

JDR Clinical and Translational Research
|December 10, 2020
PubMed
Summary

Amalgam remains prevalent in UK primary care, despite a European phase-down. Composite restorations are more costly and have higher complication rates, necessitating changes in dental education and healthcare funding.

Keywords:
caries treatmentclinical outcomescomposite materialshealth services researchrestorative dentistryrestorative materials

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Area of Science:

  • Dental materials science
  • Restorative dentistry
  • Public health dentistry

Background:

  • A European Union amalgam phase-down is underway.
  • The United Kingdom's publicly funded healthcare system has historically favored amalgam use.
  • Current amalgam use and alternatives in the UK require investigation.

Purpose of the Study:

  • To identify direct posterior restorative techniques and material usage in UK primary care.
  • To assess reported postoperative complication incidence for different restorative materials.
  • To compare practices and outcomes between dentist and therapist groups.

Main Methods:

  • A cross-sectional survey was distributed to 11,092 UK primary care clinicians.
  • Questionnaires gathered data on direct posterior restorations and material-related issues.
  • Descriptive statistics and hypothesis testing were employed.

Main Results:

  • Amalgam was the most used material for molars, composite for premolars.
  • Composite restorations required 45% more time and cost compared to amalgam.
  • Higher incidences of food packing and sensitivity were reported with composite restorations.

Conclusions:

  • Amalgam use is high in UK's publicly funded primary care.
  • Composite, the main alternative, is more time-consuming and costly with higher complication rates.
  • Improved techniques and education are needed to manage the ongoing amalgam phase-down.