comparative study human 8 Humans 7 Article 6 controlled study 4 devices 4 female 4 male 4 procedures 4 three dimensional printing 4 Female 3 Male 3 Printing, Three-Dimensional 3 adult 3 three dimensional imaging 3 3D printing 2 Adult 2 Computer-Aided Design 2 Dental Impression Technique 2 Dental Models 2 Dental Pulp Cavity 2 Imaging, Three-Dimensional 2 Young Adult 2 anatomy and histology 2 clinical article 2 computer aided design 2 dental impression 2 dental procedure 2 dental pulp cavity 2 mandible 2