Post‐extraction evaluation of sockets with one plate loss – a microtomographic and histological study

Abstract

Long-term analysis showed that plate loss interfered in final ridge measurements by reducing the middle portion of the socket width compared to the intact plate sockets. The histological and micro-CT qualitative analysis showed that both sites presented similar pattern of healing, despite the reduced dimension found in plate loss sites.

The etiology of hard‐ and soft‐tissue deficiencies at dental implants: A narrative review

“…In an experimental study in eight rabbits the buccal wall of the alveolus was deliberately removed in half or the sites (experimental group) and left intact in the control group. 26 Micro CT analysis showed decreased amounts of bone width in the experimental group in the previous socket area.…”

“…The investigators concluded that this disturbed wound healing will eventually lead to lower amounts of bone volume in the area of the previous extraction socket. In an experimental study in eight rabbits the buccal wall of the alveolus was deliberately removed in half or the sites (experimental group) and left intact in the control group . Micro CT analysis showed decreased amounts of bone width in the experimental group in the previous socket area.…”

Correction of Buccal Dehiscence During Immediate Implant Placement Using the Flapless Technique: A Tomographic Evaluation

“…This divulsion extended ≈3 mm apically to margins of peri‐implant dehiscence, enabling graft placement in the peri‐implant gap to fill the dehiscence. At bone margins adjacent to the defect, graft stabilization conditions were obtained and the attached and stable mucoperiosteal tissue surrounding the defect prevented displacement of the biomaterial 18 . The anatomic scenario in Class II dehiscence defects, in which volume stability is achieved by the adjacent bone walls in combination with an implant placed within confines of the bony defect, facilitates use of this technique 17 , 23 , 26 .…”

“…Such studies have evaluated extraction sockets and immediate implants at sites with intact bone walls, but little is known with regard to sockets that feature buccal bone loss. In an animal model study, it was observed that healing of buccal bone defects after extraction had a distinctive pattern when compared with sockets with intact walls, where the former showed greater dimension loss 18 …”

“…In an animal model study, it was observed that healing of buccal bone defects after extraction had a distinctive pattern when compared with sockets with intact walls, where the former showed greater dimension loss. 18 Use of immediate implants at sites with Class II and III bony dehiscence defects 19 is usually accompanied by guided bone regeneration (GBR), where a surgical flap is necessary, as well as use of biomaterials or autologous or allogenic bone and a membrane. 20 GBR allows the surgical site to be colonized by bone tissue cells surrounding the regeneration area and reestablishment of local bone volume.…”