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Abou-Ayash S, Rudaz AC, Janner S, Kraus D, Schimmel M, Enkling N. Converting Bilateral Free-End Removable Partial Dentures to Implant-Assisted Removable Partial Dentures Using 6 mm Short Implants: Patient-Reported Outcomes of a Prospective Clinical Study. Int J Environ Res Public Health 2022; 19:ijerph19158998. [PMID: 35897369 PMCID: PMC9332696 DOI: 10.3390/ijerph19158998] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 11/27/2022]
Abstract
The study assessed oral health-related quality of life (OHRQoL) of patients who received two 6 mm short implants in mandibular molar sites, converting existing bilateral free-end removable partial dentures (RPDs) to implant-assisted RPDs (IARPDs). After a postsurgical healing period of 4 months, the participants received a non-retentive dome abutment for 8 weeks, and then a retentive ball abutment for another 8 weeks. Afterwards, the participants made their final choice on which abutment to keep. The final follow-up was 1 year after implant placement. OHRQoL was evaluated with the 49-items version of the Oral Health Impact Profile (OHIP-49) at the abutment exchanges and the final follow-up. Furthermore, numerical rating scales were used to analyze patient satisfaction after 1 year. Questionnaire data of 13 participants were evaluated. Overall, OHRQoL increased with both the dome (p = 0.02) and the ball abutments (p < 0.001), without a significant difference between the abutments (p = 0.953). The questionnaires revealed an improvement in terms of oral situation, quality of life, and masticatory capacity (all p < 0.01). Patients showed a significant preference for the ball abutments (p < 0.001). Converting RPDs to IARPDs resulted in significant improvement of OHRQoL. Patients seem to prefer retentive over non-retentive abutments, although no differences in terms of OHRQoL were observed.
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Affiliation(s)
- Samir Abou-Ayash
- Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland; (A.-C.R.); or (S.J.); (M.S.); or (N.E.)
- Correspondence:
| | - Anne-Carole Rudaz
- Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland; (A.-C.R.); or (S.J.); (M.S.); or (N.E.)
| | - Simone Janner
- Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland; (A.-C.R.); or (S.J.); (M.S.); or (N.E.)
- Surgery Center ZIKO, 3008 Bern, Switzerland
- Department of Oral Surgery, University Center for Dental Medicine Basel, University of Basel, 4058 Basel, Switzerland
| | - Dominik Kraus
- Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, 5311 Bonn, Germany;
| | - Martin Schimmel
- Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland; (A.-C.R.); or (S.J.); (M.S.); or (N.E.)
- Division of Gerodontology and Removable Prosthodontics, University of Geneva, 1205 Geneva, Switzerland
| | - Norbert Enkling
- Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland; (A.-C.R.); or (S.J.); (M.S.); or (N.E.)
- Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, 5311 Bonn, Germany;
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