AI Article Synopsis
- - The study aimed to compare the success rates of dental implants placed immediately after tooth extraction versus those placed in healed sites in patients who had all their teeth removed for rehabilitation with implant-supported prostheses.
- - Conducted on 38 patients from 2004 to 2008, the results showed that out of 292 implants, only 8 failed, leading to an overall success rate of 96.9%, with slightly higher success for immediate implants at 97.7%.
- - The findings suggest that placing implants immediately after extraction can lead to effective bone healing and osseointegration, potentially being as successful or even better than waiting for the sites to heal first.
Article Abstract
Purpose: To compare the success rates, after 1 year of loading, for implants placed immediately after tooth extraction and in healed sites in patients undergoing extraction of all residual teeth for rehabilitation with a fixed, full-arch, implant-supported prosthesis.
Materials And Methods: A retrospective case series study was conducted of 38 patients treated from June 2004 to June 2008 by extraction of all remaining teeth and implant placement in both mature bone and at the extraction site in the same procedure. After osteointegration, the implants were restored with fixed full-arch prostheses. The marginal bone loss around the implants was measured after 1 year. The success rate according to Buser criteria was calculated for the immediate and nonimmediate implants.
Results: A total of 41 arches were restored in 30 patients, 23 in the maxilla and 18 in the mandible. A total of 292 implants were placed, 173 immediately and 119 in mature bone. Of the 292 implants, 8 failed, 4 in the immediate group and 4 in the nonimmediate group. The mean bone loss was 0.6 mm at 1 year of loading (0.63 ± 0.18 mm at the immediate implant sites and 0.58 ± 0.26 in mature bone). The mean success rate was 96.9% overall, 97.7% for the immediate group, and 96.3% for the nonimmediate group.
Conclusions: Enhanced bone healing and remodeling can take place in fresh extraction socket defects associated with immediately placed implants. The results of the present study have demonstrated that immediate implant osseointegration can be as, or more, successful than nonimmediate implantation during the same healing period.
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| http://dx.doi.org/10.1016/j.joms.2010.07.083 | DOI Listing |
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