IMPLANTS Flashcards
what is the purpose of subperiosteal implants?
these are “on the bone” and designed to anchor dentures in the completely edentulous patient.
Consists of a metal framework that attaches on top of jawbone but underneath the gum tissue
what it the purpose of transosteal implants?
anchor dentures in the completely edentulous patient.
T/F
There is fibrous connective tissue interface between the surface of the implant and the adjacent bone?
NO fibrous CT
**As a result, epithelial migration along this interface is prevented!
why is titanium great for implants?
spontaneously forms a coating of titanium dioxide, which is stable, biologically inert and promotes the deposition of a mineralized bone matrix on its surface
how long does it take for osseointegration in the mandible?
6-8 weeks
how long does it take for osseointegration in the maxilla?
2-4-6 months
Describe Type 1 bone?
comparable to oak wood- very hard and dense
Type 2 bone?
pine wood- not as hard as type 1
Type 3 wood?
like balsa wood- which isn’t as dense as type II
what is type IV bone?
comparable to styrofoam
describe the biocompatibility of titanium with tissues?
titanium oxide is a stable interface on which mineralized tissue can be deposited.
Following placement, the oxide layer interacts with water, mineral ions, and blood-derived plasma proteins.
*the oxide layer stays biologically active for years allowing for adaptation
what is the purpose of surface features?
increase the process of secondary intention
T/F
peri implant mucositis is reversible?
true
peri-implantitis?
like periodontitis- inflammatory process that results in the loss of supporting bone
why is the crest module smooth?
you want it to NOT attract plaque! whereas the body can have a different texture
