期刊
JOURNAL OF DENTISTRY
卷 54, 期 -, 页码 41-47出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jdent.2016.08.008
关键词
Restoration repair; Decision-making; Economic evaluation; Mathematical modelling; Minimally invasive dentistry; Restorative dentistry
Objectives: Repairing instead of replacing partially defective composite or amalgam restorations might reduce the initial treatment risks and costs, but could be less advantageous long-term due to repeated re-interventions being required. This study aimed to compare the cost-effectiveness of repairing versus replacing composite or amalgam restorations. Methods: A mixed public-private-payer perspective from the German healthcare setting was adopted. A permanent molar with a three-surfaced partially defective composite or amalgam restoration in need of repair or replacement was modelled. Risks of complications after repair or complete replacement were derived by a rapid systematic literature review. The health outcome measure was tooth retention years. Costs were estimated from the German public and private fee catalogues. Monte-Carlo microsimulations were performed and incremental-cost-effectiveness ratios (ICERs) were used to express cost differences per gain or loss of effectiveness. Results: Compared with complete composite replacement, composite repairs were marginally more costly and more effective ((sic)326 versus (sic)321; 24.7 versus 24.0 years; ICER: (sic)7.14). Amalgam repairs were more costly and more effective than complete replacement ((sic)467 versus (sic)326; 24.3 versus 23.7 years; ICER: (sic)235). If composite repair costs were (sic) < 67 or complete replacement costs (sic) > 166, composite repair was always cost-effective. This was not the case for amalgam repair. The size of the restoration, the reason for repair/replacement, and patients' age were found to influence the cost-effectiveness. Conclusions: Repair was found to be more effective, but not necessarily less costly than complete replacement of restorations. Clinical significance: Repairing instead of replacing partially defective restorations is likely to retain teeth for longer compared with complete replacement. When considering cost-effectiveness, repairing composite can be recommended more strongly than repairing amalgam restorations. (C) 2016 Elsevier Ltd. All rights reserved.
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