Effects of decortication in the treatment of bone defect around particulate dentin-coated implants: an experimental pilot study.
OBJECTIVE
The purpose of this study was to evaluate the effects of decortication during bone grafting in defect areas surrounding particulate dentin-coated implants.


METHODS
Six dogs were randomly assigned to 3 groups, and each group was further divided into 2 subgroups. The subgroups consisted of dogs that received particulate dentin-coated implants after 4 or 8 weeks. The defects were treated as follows: control group, unfilled defect; experimental group 1, defect filled with Tutoplast without decortication; experimental group 2, defect filled with Tutoplast with decortication. Histologic sections and histomorphometric analysis were obtained 4 and 8 weeks after surgery.


RESULTS
Compared to the 4-week subgroup, statistically significant new bone formation was observed in the 8-week subgroup. In the 4-week subgroup, the area of new bone formation was larger in the group that underwent cortical bone perforation with bone grafting; however, no significant difference was detected within the 8-week subgroup.


CONCLUSIONS
According to these results, decortication increases early bone formation after implant placement.
Seol
Ka-Young
KY
Department of Oral & Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju, Republic of Korea.
Kim
Su-Gwan
SG
Kim
Hak-Kyun
HK
Moon
Seong-Yong
SY
Kim
Byung-Ock
BO
Ahn
Jong-Mo
JM
Jang
Hyun-Sun
HS
Kim
Hee-Jung
HJ
Min
Jeong-Bum
JB
Lee
Byoung-Jin
BJ
Lim
Sung-Chul
SC
D016301:Alveolar Bone Loss / Q000473:pathology / Q000601:surgery*; D000539:Alveolar Process / Q000473:pathology; D000818:Animals; D015519:Bone Density / Q000502:physiology; D001861:Bone Regeneration / Q000502:physiology; D016025:Bone Transplantation / Q000379:methods / Q000473:pathology; D020099:Coated Materials, Biocompatible / Q000737:chemistry*; D015921:Dental Implants; D017267:Dental Prosthesis Design; D003804:Dentin / Q000737:chemistry; D004285:Dogs; D016557:Guided Tissue Regeneration, Periodontal / Q000379:methods; D008334:Mandible / Q000473:pathology / Q000601:surgery*; D010012:Osteogenesis / Q000502:physiology; D010865:Pilot Projects; D011897:Random Allocation; D016037:Single-Blind Method; D013997:Time Factors
D020099:Coated Materials, Biocompatible; D015921:Dental Implants