Effect of Auxiliary Occlusal Devices on the Occlusal Accuracy of Multiple Implant-Supported Restorations Fabricated Using Digital Workflow: A Randomized Controlled Trial.
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| Název: | Effect of Auxiliary Occlusal Devices on the Occlusal Accuracy of Multiple Implant-Supported Restorations Fabricated Using Digital Workflow: A Randomized Controlled Trial. |
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| Autoři: | Zhang Y; Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Disease & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China., Wei D; Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Disease & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China., Jiang X; Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Disease & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China., Di P; Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Disease & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China., Ren S; Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Disease & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China. |
| Zdroj: | Clinical oral implants research [Clin Oral Implants Res] 2025 Dec; Vol. 36 (12), pp. 1551-1559. Date of Electronic Publication: 2025 Aug 25. |
| Způsob vydávání: | Journal Article; Randomized Controlled Trial |
| Jazyk: | English |
| Informace o časopise: | Publisher: John Wiley and Sons, Inc Country of Publication: Denmark NLM ID: 9105713 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1600-0501 (Electronic) Linking ISSN: 09057161 NLM ISO Abbreviation: Clin Oral Implants Res Subsets: MEDLINE |
| Imprint Name(s): | Publication: 2009- : Copenhagen : John Wiley and Sons, Inc. Original Publication: Copenhagen : Munksgaard, c1990- |
| Výrazy ze slovníku MeSH: | Dental Prosthesis, Implant-Supported* , Crowns* , Dental Prosthesis Design* , Dental Occlusion* , Occlusal Adjustment*, Humans ; Female ; Male ; Middle Aged ; Workflow ; Adult ; Aged ; Computer-Aided Design |
| Abstrakt: | Objective: This study aimed to evaluate the effectiveness of auxiliary occlusal devices (AODs) in improving occlusal accuracy and reducing clinical adjustments in a fully digital workflow for multiple (3 or more) implant-supported single crowns. Materials and Methods: Twenty-nine patients with a total of 106 implant-supported single crowns were enrolled. Participants were randomly assigned to either the test group (with AODs) or the control group (without AODs). Both groups underwent a digital workflow, and the morphology of restorations was recorded before and after occlusal adjustment using an intra-oral scanner. Quantitative occlusal modifications, including grinding and porcelain additions, were calculated by 3D analysis software, and crown remake (occlusal deficiency > 0.5 mm) was documented. Statistical analysis included the Mann-Whitney U test, Fisher's exact test, and generalized linear mixed model to assess the effects of group assignment, edentulous position, and their interaction on the amount of occlusal adjustment. Results: The test group exhibited significantly lower rates of porcelain addition (16.4% vs. 26.3%, p = 0.051) and crown remake (3.8% vs. 20.4%, p = 0.015) compared to the control group. The absolute amount of occlusal modification was significantly reduced in the AOD group (median 0.3290 mm) compared to the control (median 0.5273 mm, p = 0.001). Notably, free-end saddle crowns showed a higher incidence of occlusal porcelain addition (p = 0.022), but the use of AODs in these cases significantly mitigated the need for adjustments (p = 0.007). Conclusion: The incorporation of AODs in a digital workflow significantly improves the precision of occlusal registration and reduces chairside modifications and remakes. AODs are especially beneficial in complex cases such as free-end saddles and should be considered a valuable adjunct in digital implant prosthodontics. Trial Registration: This study was registered on the Chinese Clinical Trial Registry (https://www.chictr.org.cn/; ChiCTR2200064819). (© 2025 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.) |
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| Grant Information: | National Natural Science Foundations of China; Program for New Clinical Techniques and Therapies of Peking University School and Hospital of Stomatology |
| Contributed Indexing: | Keywords: auxiliary occlusal device; digital workflow; free‐end saddle; implant‐supported crown; occlusal adjustment |
| Entry Date(s): | Date Created: 20250825 Date Completed: 20251202 Latest Revision: 20251202 |
| Update Code: | 20251202 |
| DOI: | 10.1111/clr.70029 |
| PMID: | 40853043 |
| Databáze: | MEDLINE |
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Nájsť tento článok vo Web of Science | Abstrakt: | Objective: This study aimed to evaluate the effectiveness of auxiliary occlusal devices (AODs) in improving occlusal accuracy and reducing clinical adjustments in a fully digital workflow for multiple (3 or more) implant-supported single crowns.<br />Materials and Methods: Twenty-nine patients with a total of 106 implant-supported single crowns were enrolled. Participants were randomly assigned to either the test group (with AODs) or the control group (without AODs). Both groups underwent a digital workflow, and the morphology of restorations was recorded before and after occlusal adjustment using an intra-oral scanner. Quantitative occlusal modifications, including grinding and porcelain additions, were calculated by 3D analysis software, and crown remake (occlusal deficiency > 0.5 mm) was documented. Statistical analysis included the Mann-Whitney U test, Fisher's exact test, and generalized linear mixed model to assess the effects of group assignment, edentulous position, and their interaction on the amount of occlusal adjustment.<br />Results: The test group exhibited significantly lower rates of porcelain addition (16.4% vs. 26.3%, p = 0.051) and crown remake (3.8% vs. 20.4%, p = 0.015) compared to the control group. The absolute amount of occlusal modification was significantly reduced in the AOD group (median 0.3290 mm) compared to the control (median 0.5273 mm, p = 0.001). Notably, free-end saddle crowns showed a higher incidence of occlusal porcelain addition (p = 0.022), but the use of AODs in these cases significantly mitigated the need for adjustments (p = 0.007).<br />Conclusion: The incorporation of AODs in a digital workflow significantly improves the precision of occlusal registration and reduces chairside modifications and remakes. AODs are especially beneficial in complex cases such as free-end saddles and should be considered a valuable adjunct in digital implant prosthodontics.<br />Trial Registration: This study was registered on the Chinese Clinical Trial Registry (https://www.chictr.org.cn/; ChiCTR2200064819).<br /> (© 2025 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.) |
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| ISSN: | 1600-0501 |
| DOI: | 10.1111/clr.70029 |