Implementing Digital Workflow for fabrication of Implant Supported Overdentures reduces cost: Study
A study published in Clinical Implant Dentistry and Related Research suggests that implementing a digital workflow for fabricating implant-supported overdentures reduces cost.
For edentulism, an implant supported removable complete overdenture (IOD) is an attractive solution to restore patients' chewing capacity, aesthetics, and self-esteem, however, treatment is expensive and time consuming.
A study was done to estimate the decline in costs for digitally designed and CAD/CAM fabricated IODs (3D-IODs) compared to conventionally fabricated IODs (C-IODs) at comparable general health related quality of life (GHRQoL). A randomized crossover study enrolled 36 fully edentulous patients, in whom six maxillary implants were placed together with two mandibular implants, if not already present. At the start of the study, a set of C-IODs and 3D-IODs was fabricated for each patient.
All patients wore each IOD-type for 1 year: first the 3D-IOD and the second year a C-IOD, or vice versa. At all three-time points patients general QoL was assessed using the EQ-5D-5L questionnaire as well as the SF-36 from which the SF-6D was obtained, to research the anticipation of no significant difference. To enable cost consequence analysis (CCA), both costs made within healthcare and patient costs were assessed. Subsequently, a budget impact analysis (BIA) was performed to demonstrate the potential savings.
Results: No differences in general GHRQoL were seen between C-IOD (M = 0.840, SD = 0.177) and 3D-IOD (M = 0.837, SD = 0.156) (paired t-test (N = 31): p = 0.880). With respect to the total costs for a complete IOD, however, the digital approach showed a reduction in initial total costs of 14.2% (€4700.33 vs. €4030.61: p < 0,001), in treatment time of 41.1% (309 vs. 182 min: p < 0.001), and in number of treatment sessions of 47.1% (5.68 vs. 3.0: p < 0.001). For repairs for an IOD in both the upper and lower jaw, the C-IOD and 3D-IOD scored similar for treatment time as well as additional costs. Implementing a 3D workflow in the production of IOD's supplies patients with a high-quality 3D-IOD at lower costs.
Reference:
Van de Winkel, T., Delfos, F., van Oirschot, B., Maal, T., Adang, E. and Meijer, G. (2024), Budget Impact Analysis: Digital Workflow Significantly Reduces Costs of Implant Supported Overdentures (IODs). Clin Implant Dent Relat Res. https://doi.org/10.1111/cid.13413
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