Abstract
ObjectivesThe objective of this systematic review and meta-analysis was to determine the rates of survival and success and the complications related to autotransplantation of teeth with incomplete root formation. Additionally, we attempted to identify the prognostic factors that influence the outcome of tooth autotransplantation.Materials and methodsA literature search for all data published until July 2016 was conducted. Inclusion and exclusion criteria were specified. Risk of bias was assessed with the Newcastle checklist. Meta-analysis was performed by using the DerSimonian-Laird random effect model. The 1-, 5-, and 10-year survival rates and the weighted estimated survival, success, and complication rates per year were calculated.ResultsThirty-two studies were included for analysis. The survival rates reported after 1, 5, and 10 years were 97.4, 97.8, and 96.3%, respectively. The annual weighted estimated survival rate (98.2%), success rate (96.6%), and complication rates in terms of ankylosis (2.0%), root resorption (2.9%), and pulp necrosis (3.3%) were analyzed. No firm conclusions could be drawn with respect to the prognostic factors due to insufficient evidence of high quality.ConclusionThe survival and success rates of autotransplantation of teeth with incomplete root formation were high (> 95%), with a low rate of complications (< 5%).Clinical relevanceCurrent evidence from the literature on autotransplantation of teeth with incomplete root formation shows favorable survival and success rates and low complication rates, indicating it is a reliable treatment option.
Highlights
Tooth autotransplantation is a treatment option in cases with tooth loss due to trauma, caries, periodontitis, or endodonticElectronic supplementary material The online version of this article contains supplementary material, which is available to authorized users.During the late twentieth century, Andreasen published a series of studies on autotransplantation
Success has been related to patient factors [10, 30, 35, 36], the donor tooth [3, 10, 30, 35, 36], the recipient site [3, 35–37], and the procedure [3, 30, 35, 36]
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Summary
During the late twentieth century, Andreasen published a series of studies on autotransplantation. In his first study, he reported the standard surgical procedures, which are still being. A variety of factors have been suggested to influence the survival and success rates of autotransplanted teeth. Success has been related to patient factors (gender, age) [10, 30, 35, 36], the donor tooth (type, morphology, position, root development) [3, 10, 30, 35, 36], the recipient site (location, local inflammation, alveolar bone volume and quality) [3, 35–37], and the procedure (stabilization method and duration, antibiotic use, damage of the periodontal ligament, need for an autograft or osteotomy, storage method and extraoral time of the graft during surgery, experience of the surgeon, and orthodontic interventions) [3, 30, 35, 36]. Due to the lack of clear evidence to support possible relationships between these factors and eventual success and survival, no firm conclusions can be drawn on the majority of these factors [38]
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