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J Clin Diagn Res. 2016 Jun;10(6):ZD01-4. doi: 10.7860/JCDR/2016/19245.7945. Epub 2016 Jun 1.

Surgical Re-entry of an Intentionally Replanted Periodontally Compromised Tooth Treated with Platelet Rich Fibrin (PRF): Hopeless to Hopeful.

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Assistant Editor, Journal of Clinical and Diagnostic Research , Delhi, India .
Reader, Department of Periodontics, College of Dental Sciences , Davangere, Karnataka, India .
Head of Department, Department of Periodontics, College of Dental Sciences , Davangere, Karnataka, India .


Intentional replantation is generally contraindicated in periodontally compromised teeth however, there are reports suggesting that it can be a successful treatment alternative for periodontally involved hopeless teeth. Currently there is dearth of evidence regarding the success of this therapy, especially evidence for the effectiveness of autologous platelet rich fibrin is lacking. We present a case report of a 23-year-old male patient with periodontally hopeless left maxillary central incisor having bone loss extending beyond root apex. The tooth was gently extracted and replanted utilizing root conditioning and combined regenerative therapy (Xenograft, PRF and Type I Collagen Membrane). Surgical re-entry at nine months revealed bone formation in the apical third of the tooth. At one year, 87% radiographic bone gain was accomplished. The improvement in the clinical and radiographic parameters reinforced by the re-entry surgery findings strongly suggest that intentional replantation may be a cost-effective substitute to implants and tooth supported prosthesis in situations where conventional periodontal therapy would yield compromised outcomes.


Blood platelets; Fibrin; Osteogenesis; Periodontal diseases; Tetracycline; Tooth replantation

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