I thought you might be interested in reading recent articles concerning the emerging dental implant complication : open contacts:
Click here: Implant Dilemma: What’s Going on with Open Contacts?
Click here: Open contacts adjacent to dental implant restorations: Etiology, incidence, consequences, and correction
Click here: Occlusal Considerations for Dental Implant Restorations
Please feel free to comment or share your own experiences concerning this dilemma.