
Five years follow‐up of mandibular 2‐implant overdentures on locator or ball abutments : implant results, patient‐related outcome, and prosthetic aftercare
- Author
- Carine Matthys (UGent) , Stijn Vervaeke (UGent) , Jos Besseler, Ron Doornewaard (UGent) , Melissa Dierens and Hugo De Bruyn (UGent)
- Organization
- Abstract
- Background: It is uncertain, which is the optimal attachment for a mandibular 2-implant overdenture (2IOD). Purpose: To assess 5 years clinical implant outcome, prosthetic maintenance, cost, and PROMs of two cohorts receiving 2IOD on ball or stud abutments in a comparative study. Materials and Methods: Ninety edentulous individuals were treated with balls (n = 34) or locator (n = 56). Implant survival, bone-to-implant level, prosthetic outcome, technical maintenance, and OHIP-14 were assessed. Statistics to compare between baseline and 1/5 years and between groups were t-test or Mann-Whitney (P < .05); chi-square was adopted to analyze plaque and technical maintenance or interventions between groups. Results: Five years implant survival was 98.7%, irrespective of attachment. Overall mean bone loss was 1.1 mm, probing pocket depth 1.92 mm, bleeding score 0.60, plaque score 1. Plaque accumulated more on locators (P = .023). OHIP-14 declined from 18.1 to 2.7 irrespective of attachment. Retention for balls was better (P < .005), locators required more maintenance (P < .001), caused by retention-adjustment (P < .001) or ulcers/pain (P = .014). Five years maintenance-cost was 11% of initial cost, irrespective of attachment. Conclusions: Balls and locators yield stable 5-years implant outcome and improved Oral Health Related Quality of Life (OHRQoL). Locators required more maintenance and resulted in a lower retention. Maintenance costs are minimal but may affect OHRQoL at least for stud abutments.
- Keywords
- abutments, ball attachments, clinical study, edentulous mandible, implant survival, marginal bone loss, overdenture, patient satisfaction, MARGINAL BONE LOSS, ATTACHMENT SYSTEMS, LOADING PROTOCOLS, COMPLETE DENTURES, SATISFACTION
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-8634813
- MLA
- Matthys, Carine, et al. “Five Years Follow‐up of Mandibular 2‐implant Overdentures on Locator or Ball Abutments : Implant Results, Patient‐related Outcome, and Prosthetic Aftercare.” CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH, vol. 21, no. 5, 2019, pp. 835–44, doi:10.1111/cid.12840.
- APA
- Matthys, C., Vervaeke, S., Besseler, J., Doornewaard, R., Dierens, M., & De Bruyn, H. (2019). Five years follow‐up of mandibular 2‐implant overdentures on locator or ball abutments : implant results, patient‐related outcome, and prosthetic aftercare. CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH, 21(5), 835–844. https://doi.org/10.1111/cid.12840
- Chicago author-date
- Matthys, Carine, Stijn Vervaeke, Jos Besseler, Ron Doornewaard, Melissa Dierens, and Hugo De Bruyn. 2019. “Five Years Follow‐up of Mandibular 2‐implant Overdentures on Locator or Ball Abutments : Implant Results, Patient‐related Outcome, and Prosthetic Aftercare.” CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH 21 (5): 835–44. https://doi.org/10.1111/cid.12840.
- Chicago author-date (all authors)
- Matthys, Carine, Stijn Vervaeke, Jos Besseler, Ron Doornewaard, Melissa Dierens, and Hugo De Bruyn. 2019. “Five Years Follow‐up of Mandibular 2‐implant Overdentures on Locator or Ball Abutments : Implant Results, Patient‐related Outcome, and Prosthetic Aftercare.” CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH 21 (5): 835–844. doi:10.1111/cid.12840.
- Vancouver
- 1.Matthys C, Vervaeke S, Besseler J, Doornewaard R, Dierens M, De Bruyn H. Five years follow‐up of mandibular 2‐implant overdentures on locator or ball abutments : implant results, patient‐related outcome, and prosthetic aftercare. CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH. 2019;21(5):835–44.
- IEEE
- [1]C. Matthys, S. Vervaeke, J. Besseler, R. Doornewaard, M. Dierens, and H. De Bruyn, “Five years follow‐up of mandibular 2‐implant overdentures on locator or ball abutments : implant results, patient‐related outcome, and prosthetic aftercare,” CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH, vol. 21, no. 5, pp. 835–844, 2019.
@article{8634813, abstract = {{Background: It is uncertain, which is the optimal attachment for a mandibular 2-implant overdenture (2IOD). Purpose: To assess 5 years clinical implant outcome, prosthetic maintenance, cost, and PROMs of two cohorts receiving 2IOD on ball or stud abutments in a comparative study. Materials and Methods: Ninety edentulous individuals were treated with balls (n = 34) or locator (n = 56). Implant survival, bone-to-implant level, prosthetic outcome, technical maintenance, and OHIP-14 were assessed. Statistics to compare between baseline and 1/5 years and between groups were t-test or Mann-Whitney (P < .05); chi-square was adopted to analyze plaque and technical maintenance or interventions between groups. Results: Five years implant survival was 98.7%, irrespective of attachment. Overall mean bone loss was 1.1 mm, probing pocket depth 1.92 mm, bleeding score 0.60, plaque score 1. Plaque accumulated more on locators (P = .023). OHIP-14 declined from 18.1 to 2.7 irrespective of attachment. Retention for balls was better (P < .005), locators required more maintenance (P < .001), caused by retention-adjustment (P < .001) or ulcers/pain (P = .014). Five years maintenance-cost was 11% of initial cost, irrespective of attachment. Conclusions: Balls and locators yield stable 5-years implant outcome and improved Oral Health Related Quality of Life (OHRQoL). Locators required more maintenance and resulted in a lower retention. Maintenance costs are minimal but may affect OHRQoL at least for stud abutments.}}, author = {{Matthys, Carine and Vervaeke, Stijn and Besseler, Jos and Doornewaard, Ron and Dierens, Melissa and De Bruyn, Hugo}}, issn = {{1523-0899}}, journal = {{CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH}}, keywords = {{abutments,ball attachments,clinical study,edentulous mandible,implant survival,marginal bone loss,overdenture,patient satisfaction,MARGINAL BONE LOSS,ATTACHMENT SYSTEMS,LOADING PROTOCOLS,COMPLETE DENTURES,SATISFACTION}}, language = {{eng}}, number = {{5}}, pages = {{835--844}}, title = {{Five years follow‐up of mandibular 2‐implant overdentures on locator or ball abutments : implant results, patient‐related outcome, and prosthetic aftercare}}, url = {{http://doi.org/10.1111/cid.12840}}, volume = {{21}}, year = {{2019}}, }
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