I did this locator retained overdenture case ten yrs ago(learned a lot since then!). The lower implants look like the day they were placed. The implants in the maxillary canine positions are original with some bone lose, but still very stable. All implants distal to the canine position failed after approximately 7 yrs. I have sinus grafted and replaced the implants in the second bicuspid sites. The patient is female, age 55, and is a tremendous bruxer. The maxillary overdenture has a metal substructure. Every three years it is time for new dentures. I am very concerned about the longevity of the maxillary implants. If this were a case you inherited what would be your treatment plan? Thanks
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