implants in health Flashcards
… is a histological finding that is the direct attachment or connection of vital osseous tissue to the surface of an implant, without intervening connective tissues
osseointegration
clinical term to define osseointegration?
rigid fixation
approximately ….% bone to implant contact for implants loaded between 1-18 years
60
what will affect how the implant will turn out?
anatomical location
augmentation techniques
condensation
background factors important for a reliable osseointegration
biocompatibility of the implant
design of implant
surface conditions of implant
status of host bed
surgical technique at insertion
loading conditions
there is a temporary decrease in implant stability at 6 weeks because of …
callus formation and lamellar compaction within woven bone
… effect in implant stability after 6 weeks and enhanced bone formation around the implant
plateau
what is the ideal tolerable distance of jumping distance?
20-40 um
the “… distance” is the distance that can be filled by new bone between the implant and the remaining host bone
jumping
accepted healing period for osseointegration is … for maxilla and … for mandible
6 months
3 months
what kinds of loading are there
immediate
early
late
progressive bone
… is biologically inert on the surface of the implant and is what induces osteoblasts to come and bind and it increases in thickness with time
titanium dioxide
porosity increases …
surface area
bone response is stronger to surfaces with irregularity values of …. microns
1-1.5
an implant should be surrounded with a minimum thickness of … alv. bone thickness
1 mm
minimum bone thickness between 2 implants should be ….
3 mm
minimum bone thickness between implant and tooth?
4 mm
coronal part of an implant should be placed approximately … apical to the adjacent CEJ
5 mm
zone that is adjacent to implant surface is rich from … but poor from….
fibroblasts
blood vessels
zone that is in lateral direction and continuous with the first zone has fewer …. but is rich in … and …
fibroblasts
collagen fibers
blood vessels
blood supply for an implant is only coming from …. blood vessels
supraperiosteal
microgap is the space that exists between … and …
it is generally located at alveolar crest
implant
abutment
2 stage implant surgery is …. technique
submerged
1 stage implant surgery is the … technique
non-submerged (left exposed)
a biological width exists around unloaded and loaded nonsubmerged one-part titanium implants. it is approximately….
3 mm
when checking an implant it should not have …
bone loss
more than 0.2mm/year following the first year
you MUST take …. every year for implants
periapicals (bitewings are not good enough, you could miss bone loss)
3 ways to evaluate implants
peri-implant probing
existence of mobility
radiographic exam