A comparative evaluation of the effectiveness of an anorganic bone matrix/cell binding peptide with an open flap debridement in human infrabony defects: a clinical and radiographic study.
OBJECTIVE
The development of biologic modalities designed to enhance bone regeneration and wound healing of specific periodontal sites continues to unfold. This is accomplished through the cell binding activity of Type-I collagen provided by a synthetic cell binding peptide (P-15) which is incorporated in a scaffold of anorganic bovine matrix (ABM). This combination is designed to facilitate the attachment, migration, and differentiation of cells. The objective of this study is to clinically and radiographically evaluate the effectiveness of the combination of ABM and P-15 (ABM/P-15) 'putty' during regenerative periodontal procedures.


METHODS
A total of 20 interproximal intraosseous defects in 16 patients, (8 males, 8 females), age 22-48 years (mean 34.45) were recruited and divided equally into two experimental groups. Following open flap debridement (OFD), the defect sites in a test group were grafted with a bovine-derived xenograft enriched with a cell binding peptide. The defect sites in a control group were treated with only OFD. Appropriate periodontal maintenance schedules were followed; at six months, clinical and radiographic assessments for soft tissue and hard tissue were performed for documentation and finalization of results.


RESULTS
Statistical analysis using student paired 't' test analyses of the patient mean value from the 16 patients revealed the ABM/P-15 'putty' graft group demonstrated significantly better mean defect fill of 3.4 + 0.7 mm (70.5%) versus mean defect fill of 0.9 mm (17.33%) for defects treated with only OFD. Soft tissue findings showed significant differences among treatment with ABM/P-15 compared to OFD.


CONCLUSIONS
These results indicate the use of P-15 synthetic cell binding peptide combined with ABM yields better clinical results in conjunction with OFD than with OFD alone.
Bhongade
Manohar L
ML
Department of Periodontics and Implant Dentistry, Sharad Pawar Dental College and Hospital of Deemed University, Sawangi (Meghe), Wardha, Maharashtra State, India.
Tiwari
Ishan R
IR
D000328:Adult; D016301:Alveolar Bone Loss / Q000000981:diagnostic imaging / Q000601:surgery*; D000818:Animals; D001857:Bone Matrix / Q000637:transplantation; D001861:Bone Regeneration / Q000187:drug effects*; D018786:Bone Substitutes / Q000494:pharmacology*; D016025:Bone Transplantation / Q000379:methods*; D002417:Cattle; D003094:Collagen / Q000494:pharmacology*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D010446:Peptide Fragments / Q000494:pharmacology*; D010518:Periodontitis / Q000601:surgery*; D011859:Radiography; D016896:Treatment Outcome
D018786:Bone Substitutes; C403137:PepGen P-15; D010446:Peptide Fragments; C407062:cell-binding peptide P-15; D003094:Collagen