In the present investigation, treph

In the present investigation, trephine hard tis- sue biopsies were harvested from the edentu- lous ridge after >6 months of healing following tooth extraction. According to data reported by Schropp et al. (2003), the target sites at the time of biopsy should have lost between 30 and 50% of the ridge volume but also that large amounts of new bone tissue had formed in the post-extraction socket