Technologies over the past centuries and required a structural analysis of the accumulated data. Methods of optical diagnosis of scoliosis and postural disorders have been rapidly improving along with optical and digital assessment Introduction Diagnosis of spinal deformities in children and adolescents is important for continuous development of modern traumatology and Conclusion: With today’s technology, based on the four studies evaluated, we conclude that photogrammetric-generated digital models while lacking accuracy for incorporation into the treatment flow, in the future it could be used for diagnostic, planning, and achieving. Results: Two independent reviewers screened 75 records on basis of titles and abstracts for assessment against the inclusion criteria for the review, 4 articles were deemed eligible, the risk of bias for the selected articles was measured, data extraction was performed by only one author. Materials and methods: A search strategy was applied in 3 databases (Medline, Web of Science and Scopus), from to Dec 1 2021, the search was limited to articles in English published in the last 5 years about studies evaluating the dimensional accuracy of 3-dimensional digital models acquired by the scanning of plaster models with photogrammetric technologies. Objective: This review aimed to identify and appraise the reported accuracy of photogrammetric-generated digital dental models. The process involves taking overlapping photographs of an object or space and converting them into 2D or 3D digital models. Photogrammetry is the science of extracting 3D information from photographs. Photogrammetric-based scanners may represent an affordable cost-effective alternative to traditional dental scanners used for the digitalization of plaster models. Background: Traditional dental scanners require a heavy investment, representing a high barrier of entry into digital dentistry.
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