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Cost-effectiveness of silicone and alginate impressions for complete dentures
Open accessAbstract
OBJECTIVE: The aim of this study was to assess the cost effectiveness of silicone and alginate impressions for complete dentures. METHODS: Cost effectiveness analyses were undertaken alongside a UK single centre, double blind, controlled, crossover clinical trial. Taking the perspective of the healthcare sector, effectiveness is measured using the EuroQol (EQ-5D-3L) which provides a single index value for health status that may be combined with time to produce quality adjusted life years (QALYs); and Oral Health Impact Profile (OHIP-EDENT). Incremental cost effectiveness ratios are presented representing the additional cost per one unit gained. RESULTS: Mean cost was higher in the silicone impression group (£388.57 vs. £363.18). Negligible between-group differences were observed in QALY gains; the silicone group had greater mean OHIP-EDENT gains. The additional cost using silicone was £3.41 per change of one point in the OHIP-EDENT. CONCLUSIONS: The silicone group was more costly, driven by the cost of materials. Changes in the EQ-5D and QALY gains over time and between arms were not statistically significant. Change in OHIP-EDENT score showed greater improvement in the silicone group and the difference between arms was statistically significant. Given negligible QALY gains and low level of resource use, results must be treated with caution. It is difficult to make robust claims about the comparative cost-effectiveness. CLINICAL SIGNIFICANCE: Silicone impressions for complete dentures improve patients' quality of life (OHIP-EDENT score). The extra cost of silicone impressions is £30 per patient. Dentists, patients and health care funders need to consider the clinical and financial value of silicone impressions. Different patients, different dentists, different health funders will have individual perceptions and judgements. ISRCTN01528038. NIHR-RfPB grant PB-PG-0408-16300. This article forms part of a project for which the author (TPH) won the Senior Clinical Unilever Hatton Award of the International Assocation for Dental Research, Capetown, South Africa, June 2014.
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EQ-5D-based outcomes may lack sensitivity in capturing oral health-specific improvements, which motivated a secondary OHIP-14 analysis.
“a secondary analysis was undertaken using the OHIP- 14 to more directly assess changes in oral health- related quality of life, given concerns that EQ- 5D- based outcomes may lack sensitivity in capturing oral health- specific improvements [27-29].”
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References 21 · Cited by 31
Metadata
- Authors
- Hulme, C., Yu, G., Browne, C., O’Dwyer, J., Craddock, H., Brown, S., Gray, J., Pavitt, S., Fernandez, C., Godfrey, M., Dukanovic, G., Brunton, P., & Hyde, T. P.
- Affiliations
- University of Leeds (GB)
- University of Aberdeen (GB)
- Corresponding author
- Hyde, T.P.
- Venue
- Journal of Dentistry
- Publisher
- Elsevier BV
- Published
- 2014-08
- Volume
- 42
- Issue
- 8
- Pages
- 902-907
- ISSN
- 0300-5712 (ISSN-L)
- PMC
- PMC4119300
- OpenAlex
- W2025214376
- Cited by
- 31
- References
- 21
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 1 · 2023: 5 · 2022: 4 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 4 · 2017: 2 · 2016: 3 · 2015: 2 · 2014: 1
- FWCI
- 6.63
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Dentistry (publishedVersion, cc-by-nc-sa)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
- PubMed Central (publishedVersion, cc-by-nc-sa)
- PubMed (publishedVersion)
- White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (acceptedVersion)
- Aberdeen University Research Archive (Aberdeen University) (submittedVersion)
- Newcastle University ePrints (Newcastle Univesity)
- Funders
- National Institute for Health Research (PB-PG-0408-16300)
- Topics
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Health Systems, Economic Evaluations, Quality of Life
- Health Sciences › Dentistry › General Dentistry › Dental materials and restorations
- Health Sciences › Dentistry › General Dentistry › Dental Health and Care Utilization
- Keywords
- complete dentures, silicone impression materials, alginate impressions, cost-effectiveness, impression materials, quality of life, OHIP-EDENT, EQ-5D-3L, quality-adjusted life years, denture fabrication
- MeSH terms
- Adult, Aged, Aged, 80 and over, Alginates, Cost-Benefit Analysis, Dental Care, Dental Impression Materials, Denture Design, Denture, Complete, Double-Blind Method, Female, Follow-Up Studies, United Kingdom, Health Status, Humans, Male, Middle Aged, Oral Health, Prospective Studies, Quality of Life, Silicone Elastomers, State Dentistry, Time Factors, Drug Costs, Health Care Costs, Cross-Over Studies, Quality-Adjusted Life Years
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