ArticleBMC oral health2026
Application of computer-aided design combined with 3-dimensional-printed guide in tooth autotransplantation: a case report.
Article in BMC oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundComputer-Aided Design (CAD) combined with 3-dimensional (3D) printing technology has been extensively applied in the treatment of endodontic diseases. The goal of this novel report is to highlight a fully guided autotransplantation with CAD and 3D printing technology for treatment of tooth fracture. CASE PRESENTATION: The maxillary left first molar #26 had a vertical fracture that severely affected occlusion and life quality of the patient. Clinical examination showed an oblique crack across the mesiobuccal cusp and the distopalatal cusp of #26, cone-beam computed tomography (CBCT) showed a vertical fracture line reaching the floor of pulp chamber, a subtle increase in the palatal periodontal ligament space, and hypodensity in the distobuccal apex area. Due to the strong desire to preserve natural tooth and financial considerations, the patient declined conventional prosthetic restoration and chose autotransplantation of mandibular left third molar #38 to the site of #26. A 3D printed guide was used to precisely prepare the extraction socket, facilitating the immediate and accurate autotransplantation of #38 into the site of #26. Root canal therapy was performed 3 weeks after surgery.
resultsDuring the 3-year follow-up, the patient could chew normally without any discomfortable feelings, X-ray radiographs showed a significant increase in bone density around the root and a superior periodontal ligament healing without root resorption.
conclusionsFor patients who do not choose prosthetic restoration due to socio-economic conditions, we propose tooth autotransplantation as an alternative treatment for tooth fractures under the help of modern CAD and 3D printing technology.
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