IWEL, LEADING COMPANY SINCE 1985, IS THE INVENTOR OF THE SYSTEM OF ANGULAR ADJUSTMENT OF RETENTION FORCE AND HOLDER OF INTERNATIONAL INDUSTRIAL PATENTS. THE DEMONSTRATION OF THE HIGH FUNCTIONAL QUALITY OF IWEL’S DENTAL ATTACHMENTS (ANCHORAGES) IS FURTHER CONFIRMED BY SOME DENTAL COMPANIES, WHICH ATTEMPT TO IMITATE THE FUNCTIONAL FEATURES OF ALL OUR DENTAL ATTACHMENTS.