Cost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implant

Abstract Background Economic evaluation of nonsurgical root canal treatment (NSRCT) and single-tooth implant (STI) provides useful information for medical decision. This retrospective study aimed to evaluate the cost-effectiveness of NSRCT versus single-tooth implant (STI) after 5-year treatment in...

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Main Authors: Hai-Ling Zang, Yu Zhang, Xiao-Wen Hao, Li Yang, Yu-Hong Liang
Format: Article
Language:English
Published: BMC 2023-07-01
Series:BMC Oral Health
Subjects:
Online Access:https://doi.org/10.1186/s12903-023-03173-x
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author Hai-Ling Zang
Yu Zhang
Xiao-Wen Hao
Li Yang
Yu-Hong Liang
author_facet Hai-Ling Zang
Yu Zhang
Xiao-Wen Hao
Li Yang
Yu-Hong Liang
author_sort Hai-Ling Zang
collection DOAJ
description Abstract Background Economic evaluation of nonsurgical root canal treatment (NSRCT) and single-tooth implant (STI) provides useful information for medical decision. This retrospective study aimed to evaluate the cost-effectiveness of NSRCT versus single-tooth implant (STI) after 5-year treatment in a university affiliated hospital in Beijing, China. Methods 211 patients who underwent NSRCT and 142 patients who had STI were included and recalled after 5-year treatment. The propensity scores were used to match the cases of two treatment modalities. At recall, outcomes were determined based on clinical and radiographical examinations. For endodontically treated cases, absence or reduction of radiolucency were defined as success. Marginal bone loss (MBL) ≤ 4 mm were determined as success for implant cases. Direct and indirect costs were calculated in China Yuan (CNY). Patients’ willingness to pay (WTP) for each treatment modality was evaluated by questionnaires. A cost-effectiveness analysis was performed from the societal perspective. Results 170 patients with 120 NSRCT teeth and 96 STI were available at recall. Based on propensity score matching, 76 endodontically treated teeth were matched to 76 implants. Absence of the radiolucency was observed in 58 of 76 endodontically treated teeth (76%) and reduction of the radiolucency in 9 of 76 teeth (12%) and altogether the success rate was 88%. 100% implants were detected with marginal bone loss (MBL) ≤ 4 mm. The cost advantage of NSRCT (4,751 CNY) over STI (20,298 CNY) was more pronounced. Incremental cost effectiveness ratio (ICER) was 129,563 CNY (STI-NSRCT) per success rate gained. It exceeded the patients’ willingness to pay value 7,533 CNY. Conclusions Clinical outcomes of NSRCT and STI could be predictable after 5-year treatment. NSRCT may be more cost-effective than STI for managing endodontically diseased teeth.
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spelling doaj.art-00e484c713c44f02abf331ab54a31f822023-07-16T11:30:09ZengBMCBMC Oral Health1472-68312023-07-012311810.1186/s12903-023-03173-xCost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implantHai-Ling Zang0Yu Zhang1Xiao-Wen Hao2Li Yang3Yu-Hong Liang4Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Engineering Research Center of Oral Biomaterials and Digital Medical DevicesDepartment of Implantology, Peking University School and Hospital of Stomatology & National Engineering Research Center of Oral Biomaterials and Digital Medical DevicesDepartment of Implantology, Peking University School and Hospital of Stomatology & National Engineering Research Center of Oral Biomaterials and Digital Medical DevicesDepartment of Health Policy and Management, School of Public Health, Peking UniversityDepartment of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Engineering Research Center of Oral Biomaterials and Digital Medical DevicesAbstract Background Economic evaluation of nonsurgical root canal treatment (NSRCT) and single-tooth implant (STI) provides useful information for medical decision. This retrospective study aimed to evaluate the cost-effectiveness of NSRCT versus single-tooth implant (STI) after 5-year treatment in a university affiliated hospital in Beijing, China. Methods 211 patients who underwent NSRCT and 142 patients who had STI were included and recalled after 5-year treatment. The propensity scores were used to match the cases of two treatment modalities. At recall, outcomes were determined based on clinical and radiographical examinations. For endodontically treated cases, absence or reduction of radiolucency were defined as success. Marginal bone loss (MBL) ≤ 4 mm were determined as success for implant cases. Direct and indirect costs were calculated in China Yuan (CNY). Patients’ willingness to pay (WTP) for each treatment modality was evaluated by questionnaires. A cost-effectiveness analysis was performed from the societal perspective. Results 170 patients with 120 NSRCT teeth and 96 STI were available at recall. Based on propensity score matching, 76 endodontically treated teeth were matched to 76 implants. Absence of the radiolucency was observed in 58 of 76 endodontically treated teeth (76%) and reduction of the radiolucency in 9 of 76 teeth (12%) and altogether the success rate was 88%. 100% implants were detected with marginal bone loss (MBL) ≤ 4 mm. The cost advantage of NSRCT (4,751 CNY) over STI (20,298 CNY) was more pronounced. Incremental cost effectiveness ratio (ICER) was 129,563 CNY (STI-NSRCT) per success rate gained. It exceeded the patients’ willingness to pay value 7,533 CNY. Conclusions Clinical outcomes of NSRCT and STI could be predictable after 5-year treatment. NSRCT may be more cost-effective than STI for managing endodontically diseased teeth.https://doi.org/10.1186/s12903-023-03173-xCost-effectivenessSingle-tooth implantNonsurgical root canal treatment Propensity score matching
spellingShingle Hai-Ling Zang
Yu Zhang
Xiao-Wen Hao
Li Yang
Yu-Hong Liang
Cost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implant
BMC Oral Health
Cost-effectiveness
Single-tooth implant
Nonsurgical root canal treatment 
Propensity score matching
title Cost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implant
title_full Cost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implant
title_fullStr Cost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implant
title_full_unstemmed Cost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implant
title_short Cost-effectiveness analysis: nonsurgical root canal treatment versus single-tooth implant
title_sort cost effectiveness analysis nonsurgical root canal treatment versus single tooth implant
topic Cost-effectiveness
Single-tooth implant
Nonsurgical root canal treatment 
Propensity score matching
url https://doi.org/10.1186/s12903-023-03173-x
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