Abstract
Background Autogenous Tooth Transplantation (ATT) is the surgical movement of a maturely or immaturely formed tooth from its original site to another extraction site or a surgically prepared socket in the same individual. The most important factor in the healing process after autotransplantation is the presence of intact and viable periodontal ligament cells, which have the ability to differentiate into osteoblasts and able to induce bone production. ATT can successfully replace removable dentures as a restoration option in a growing patient, while implants can be placed only after skeletal maturity is attained. Case Presentation. In this case, we presented an immediate ATT of the third molar with unformed roots to the extraction socket of the first molar with evidence of continued root formation after 2 years of follow-up. Conclusion Platelet-Rich Fibrin (PRF) can induce sustainable and accelerated healing, and it can also induce the regeneration process of the periodontal tissues and pulpal formation. This process plays a key role in future root development and success rate.
Highlights
Autogenous Tooth Transplantation (ATT) is the surgical movement of a maturely or immaturely formed tooth from its original site to another extraction site or a surgically prepared socket in the same individual
PDL cells have the ability to differentiate into osteoblasts and are able to induce bone formation
Andreasen et al showed that the presence of intact and viable periodontal ligament cells is considered to be the most important factor to have a successful healing process after autotransplantation [6]
Summary
Autogenous Tooth Transplantation (ATT) is the surgical movement of a maturely or immaturely formed tooth from its original site to another extraction site or a surgically prepared socket in the same individual [1,2,3]. Slagsvold and Bjercke in 1974 reported the results of the autotransplantation of 34 premolars with incompletely formed roots done in the period between 1959 and 1970 with a mean follow-up duration of 6 years He showed a 100% survival rate with the maintained ability of the transplanted teeth to complete root development [5]. Osterne et al reported a successful case of the reconstruction of a mandibular alveolar bone defect in the region of the lower left canine and premolars post ameloblastoma resection with autotransplantation of the immature third molars followed by orthodontic treatment [11]. There is a high incidence of first molar loss in the pubertal patient because of caries and periodontal problems [7, 14, 20] In these cases, ATT can successfully replace removable dentures, while implants can be placed only after skeletal maturity is attained [21].
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