Intraoral scanners are becoming more preferred for dental treatment in many applications in day by day . Along with the developing technologies, new scanning technologies have emerged.

Intraoral scanners are becoming more preferred for dental treatment in many applications in day by day. Along with the developing technologies, new scanning technologies have emerged. In addition, many dental intraoral scanners are being released rapidly. These browsers are not expensive and easy to put together and compare. It is also difficult to standardize and compare intraoral scanners used in any two published articles. The aim of this review is to inform the users about the devices that are newly produced and still in use, to determine the accuracy values of the scanners that are compared in the literature and to talk about the results. Therefore, the researcher; Brief information about computer-aided manufacturing and design is given and the advantages and disadvantages of intraoral scanners, as well as scanner technologies and methods. In addition, accuracy terminology and digital recording formats of scanners are explained. Then, information is given about the features of intraoral scanners which are frequently used in the market. Finally, articles have been determined according to “ISO 5725-1” standards. In line with this information, scanners were compared both with themselves and with traditional measures based on the distance they scanned, and brief information was provided about the degree of accuracy between them. All the results and information obtained have been transformed into a table. As a result, it has been observed that intraoral cameras increase the quality of measurement with advancing technologies. It has been determined that the traditional methods currently used are more successful in some anatomical structures and recording of large areas, but they are inadequate in determining details in single and short distance measurements.