Abstract
Little is reported about the prosthetic aftercare of implant-supported mandibular overdentures regarding the number of implants placed. The purpose of this study was to evaluate the prosthetic aftercare among edentulous patients restored with two vs. four mandibular implant-retained overdentures (MISOD). Forty-six consecutive edentulous patients treated by a new MISOD were retrospectively studied. Twenty-five patients had two-ball attachment MISOD (Group A), and 21 had four-ball attachment MISOD (Group B). The total amount of aftercare visits was recorded, as well as the type of treatments required (pressure sore spots relief, attachment liner replacement due to loss of retention, and metal ball attachment replacement due to wear). The mean follow-up duration was 93 ± 57 months (range 9–246 months). None of the implants was lost. There were significantly more visits for pressure sore spots relief in Group A vs. Group B (6.2 ± 2 in group A and 4.09 ± 1.54 in group B, p < 0.0001). Differences in the other two tested parameters (number of visits for liner replacement (2.3 ± 1.84 in group A and 2.4 ± 1.63 in group B) and attachment replacement (2.36 ± 1.85 in group A vs. 2.48 ± 1.63 in group B) yielded a non-significant outcome (p = 0.814 for liner replacement and p = 1.000 for attachment replacement). The use of four-ball attachments in MISOD was more beneficial than two-ball attachments with regards to the aftercare of pressure sore spots. The number of implants did not influence the mechanical wear.
Highlights
Life expectancy continues to increase, and complete edentulism is still a common health problem
A debate remains concerning the number of implants to be installed in the edentulous mandible, intended to provide adequate retention and stability to the overdenture
The mean number of visits due to the relief of pressure sore spots was significantly higher in Group A than in Group B (6.2 ± 2 in group A vs. 4.09 ± 1.54 in group B, p < 0.0001) (Table 1, Figure 1)
Summary
Life expectancy continues to increase, and complete edentulism is still a common health problem. Edentulous subjects routinely experience troubles with their mandibular complete dentures, including denture instability and loss of retention along with decreased chewing ability, which comprises their main complaints [1]. These patients live a longer active life and have higher demands of their quality of life, which includes higher expectations from their dentures [2,3,4]. The 2002 McGill Consensus statement put forth a new accepted standard of care for the complete mandibular edentulous patient [3] It involves a two-implant MISOD placed interforaminally with an optional immediate loading as the primary standard of care
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
