Source:Journal of Oral and Maxillofacial Surgery
Author(s): Jorge Gonzalez-Ocasio, Mark Stevens
PurposeThe aim of this study was to examine the use of platelet rich plasma (PRP) with autotransplantation of third molars as a successful technique to provide immediate tooth structure for space maintenance and masticatory function when premature loss of a permanent tooth occurs and other dental restorative options are not indicated.Materials and MethodsA case series of 10 young healthy individuals of 10 to 17 years of age with one or more immature third molars (one-third to two-thirds of root formation) used to replace extracted non-restorable teeth. Eleven third molars were transplanted, and adapted to sockets of the extracted teeth with the adjunct of PRP. The transplanted teeth were stabilized to the adjacent teeth using orthodontic wires and dental composite for one month. Patients were followed for a period of one year. Function, tooth vitality, root development, and periodontal health were recorded.ResultsAll ten patients had functioning asymptomatic transplanted teeth, with physiologic tooth mobility after splint removal at one month and over one year. All ten patients had positive tooth vitality (cold test) at three, six, and twelve months; all transplants showed positive root development (average growth of 2.01mm) confirmed and measured using periapical radiographs. No patients required root canal therapy (RCT) at any point in the study. Periodontal assessments were performed on the scheduled follow-up appointments with circumferential periodontal probings. Periodontal health was maintained as probings were less than four millimeters during a one-year period.ConclusionAutotransplantation of immature third molars with platelet rich plasma shows excellent results and should be considered a viable option for premature loss of permanent molars. PRP may also have other advantages, such as, promotion of root, and neurosensory development.
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