Page 192 - Demo

Chapter 7190components and initial osseointegration of the ramal component. There was a good attachment of the enthesis onto the scaffold, and there were several centers of early, non-mineralized bone between the enthesis and scaffold and the enthesis and the mandible. Early heterotopic osseous centers lateral to the mandibular implant were also found (Table 3). The 3-month in vivo CT scans of the sheep marked 7998 revealed that despite the intra-operative bony connection that was achieved, the enthesis was no longer connected to the implant. Instead, there was an osseous connection between the mandible and the enthesis of the LPM. Both the fossa and ramal component were well positioned, and there was good integration of the ramal component. The second sheep that was scanned at 3 months after surgery, ewe 5158, had good positioning of both the fossa and ramal component, good integration of the ramal component, and a bony connection between the attached enthesis and the implant. As with the other sheep, there was also a bony connection between the mandible and the enthesis. Although both TMJR components were well-positioned and integrated, heterotopic bone was formed Table 2: Per-operative reconstruction and post-operative CT evaluation connection between the lateral pterygoid muscle (LPM) and the implant scaffold.Sheep # Per-operative 1m post-op 3m post-op 6m post-op Post-mortem3520 Bony Soft tissue8087 Unclear Bone Bone2177 Bony Absent Absent5158 Unclear Bone Bone + Soft tissue2549 Fibrocartilaginous Absent Absent4249 Fibrocartilaginous Bone0032 Fibrocartilaginous Soft tissue 7998 Bony Absent Absent4246 Bony Bone + Soft tissue1724 Bony Soft tissue Soft tissue 4248 Bony Bone + Soft tissue8787 Fibrocartilaginous Absent4473 Fibrocartilaginous *Absent0075 SHAM SHAM SHAM SHAM SHAM* Due to dissectionNikolas de Meurechy NW.indd 190 05-06-2024 10:14