This study aims to evaluate the accuracy of a newly developed mobile application versus the conventional method of cephalometric analysis in the diagnosis of dental and skeletal deformities among pre-adolescent patients.

A mobile application will be developed to help pedodontists in orthodontic diagnosis, and treatment of dentoalveolar, or skeletal deformations ,The mobile application will provide quick cephalometric analysis and therefore, offers rapid and accurate case diagnosis, reduces errors in tracing, measurement, and identification of the landmark.

Reference test: Cephalometric analysis by the conventional method

-Trial design: Diagnostic accuracy study

Inclusion Criteria:

1. Digital Lateral cephalometric radiographs of pre-adolescent patients (8-13) years old.
2. Cephalogram of good quality with all landmarks clearly visible
3. Presence of central incisors and first molars on cephalogram
4. Cephalogram with teeth in maximum intercuspation

Exclusion Criteria:

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