1, different education background: Orthodontic certificate can be obtained through training examination; The mechanic's license must have some practical experience and be obtained through the examination.

2. The gold content is different: the orthodontist certificate has rich knowledge and skills in repairing tooth dislocation and occlusion; The mechanic certificate can make and adjust the corresponding instruments and orthodontic devices according to the orthodontist's treatment plan, which plays a vital role in the process of orthodontic repair and determines the quality and stability of the treatment effect.