Introduction:

Artificial Intelligence (AI) is the automation of activities related to human thought processes. In orthodontics, systems have been developed which, assisted by AI, can make therapeutic decisions and perform analyses. There is no updated compendium on the use of AI in orthodontics.

Objectives:

To describe the uses of AI in orthodontics according to the current literature. Methodology: A narrative review was performed in the Medline and SciELO bases by means of the following search: (orthodont*) AND (“machine learning” OR “deep learning” OR “artificial intelligence” OR “neural network”).

Results:

19 articles were obtained, showing that AI has been developed in four areas: 1) IA assisted cephalometry, where localization of cephalometric points and cephalometric analysis showed equal accuracy than orthodontists. 2) Unerupted tooth localization with CBCT, with similar results between AI and orthodontists. 3) Determination of skeletal age, which is more efficient with AI than with conventional methods. 4) Facial analysis, where AI allows an objective evaluation of facial attractiveness with applications in diagnosis and surgical planning. 5) Therapeutic decisions with AI, to determine the need for exodontia and teeth to be extracted.

Discussion:

AI is being incorporated rapidly in orthodontics, so we must know concepts and possibilities that it gives us in orthodontics.

Conclusions:

An increasing number of articles refer to the uses of AI in orthodontics, with similar results to those obtained by specialists. However, the evidence is still scarce and mainly experimental, so AI should still be used with caution in orthodontics.

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