To compare a flapless technique of alveolar ridge preservation to a flap technique to determine if preserving the periosteal blood supply would prevent loss of crestal ridge width and height.
Twenty-four patients will randomly be assigned to receive ridge preservation using either flapless or flap technique. Twelve test patients will receive ridge preservation using a flapless approach and twelve control patients will receive ridge preservation using a flap technique. All sockets will be grafted with demineralized bone matrix and mineralized particulate allograft and covered with calcium sulfate barrier. Re-entry surgery will be performed at 4 months when a trephine core will be taken from the grafted site immediately prior to implant placement and submitted for histologic processing.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
24
Ridge Preservation using demineralized bone matrix and mineralized particulate allograft and covered with calcium sulfate barrier.
Crestal Horizontal Ridge Width
Changes in post-extraction to 4 month change in ridge measurements at the alveolar crest and 5 mm apical to crest. Measurements taken with a caliper.
Time frame: 4 months after surgery
Percent osseous tissue
A trephine core will be harvested at 4 months. Following histologic processing the osseous core will be classified into percent vital bone, nonvital bone and trabecular space
Time frame: 4 months after surgery
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