Crestal bone loss after 2 months: recommendations?

This patient presented with a narrow ridge where implants had been placed, with guided bone regeneration done on the buccal side.    But 2 months later the radiograph showed crestal bone loss.

Source: Dental Implants Discussed by Experts - February 5, 2018 Category: Dentistry Authors: osseonews Tags: Clinical Cases Surgical Source Type: news