Instruments and Appliances of Prosthodontics \ CHAYES Dental Casket Paralellometer and Paralellodrill

This device is a paralellometer and paralellodrill which can be used intra-orally to drill parallel wells, in the roots or in the crowns of the teeth for the construction of fixed prosthesis. The same system, with the appropriate accessories, was used during the laboratory construction of wax models with intra-coronal retentive parts for removable bridges.