Lecture 10- Trauma from occlusion: dental implants Flashcards
… is defined as direct bone-implant surface mechanical binding
osseointegration
… is the stability of the implant at the time of placement. and this depends on … and …
primary stability
bone density
implant fixture design
conventional healing time for an implant?
maxilla-
mandible-
maxilla 6 months
mandible 3 months
functional loading of the implant can be … , … or …
immediate (at time of placement)
early (before conven. healing time)
late (3-6 months)
signs of implants in excessive occlusion
porcelain fracture
implant to abutment (screw loosening or fracture)
implant fixture fracture
increasing mobility of adjacent teeth
eruption/malocclusion of adjacent teeth
tooth extraction leads to … amputation
sensory
After a tooth is extracted, the myelinated fiber content of the inferior nerve is reduced by … %
20%
3 types of forces
static
functional
excessive
loading time depends on … (4)
primary stability
implant design
restorative design
presence/absence of risk factors
functional and well controlled leading may …. bone to implant contact BUT …. of bone-implant surface contact is NOT possible
increase
100%
occlusal trauma is a … etiological factor for periodontal disease but it can be a … etiological factor for peri-implant disease and this is called …
secondary
primary
retrograde peri-implantitis
bruxism can cause … with implants
complications
implants can be .. and … to tolerate challenges like bruxism but they must be surrounded by thick bone for support
longer and wider
implants should be placed … and parallel to each other
upright
2 newer concepts related to implants are … and …
wide-short implants
“all-on-4” implant placement
