A two-dimensional roughness parameter calculated from the experimental profiles after filtering. Ra: The arithmetic average of the absolute value of
Dental Full arch mandibular implant with a tripodal design that consists of a horizontal supragingival connecting bar with endosseous units
Dental Type of blade implant placed into the anterior border of the ramus of the mandible.
see: Regional acceleratory phenomenon
A raptor (i.e. TRI® Raptor) is used as abutment on dental implants to fix a (over)denture as a snap-on. There
Resorbable Blasting Media
The surgical reopening of a site to improve or observe results obtained from the initial procedure.
Site which received a soft or hard tissue graft. Syn.: Host site.
rhBMP Osteoinductive protein produced by recombinant DNA technology.
RAP A local response to a stimulus in which tissues form 2 to 10 times more rapidly than the normal
Immunological response of incompatibility in a transplanted or implanted material.
Dental restoration that is removable by the patient. The restoration may be partial arch (RPD): Removable partial denture, or complete
Syn.: Reverse torque value Measure of the rotational force needed to rupture the bone-implant interface of a screw- or pin-form
Technique for clinical measurement of implant stability/mobility in bone. The measurement is registered from a transducer attached to the implant.
Loss of substance or bone by physiologic or pathologic means.
The human respiratory system cares for gas exchange. The respiratory surface is internalized as linings of the lungs. Gas exchange
Dental see: Implant platform.
A study designed to observe events that have already occurred.
The nuclear receptor Rev-erbα controls circadian thermogenic plasticity. Gerhart-Hines Z, et al. Nature. 2013. Nature. 2013 Nov 21;503(7476):410-413. doi: 10.1038/nature12642.
Test used to assess the extent of osseointegration of an implant, specifically the shear strength at the bone-implant interface, by
Resonance Frequency Analysis
radio frequency identification Radio frequencies are used to read information from a “tag” that can be either “passive” or “active”.
see Recombinant human bone morphogenetic protein
Dental Syn.: Extraction socket graft, socket graft, socket preservation. The immediate placement of a grafting material or any procedure, performed
see: bone expansion
There are some risk groups in planning implant surgery, e.g.: Blood disorder, coagulation Tumors Diabetes mellitus HIV Corticosteroids Biphosphonate Medication
Reverse Torque Test
Removal torque value
right ventricular assist device A right ventricular assist device (RVAD) pumps blood from the right ventricle or right atrium into
These are 2 examples. For more, have a look in the Glossary!