Implants - Lecture 7: Restorative Implant Components Flashcards
What are the 5 implant components?
Implant
Abutments
Analogs/replica
Impression copings
Connection armamentaria
T/F: Over 100 companies produce implant components
True
What material can implants be?
Titanium
Zirconia
What is the macro-geometry of implants?
Threaded and non-threaded
Parallel and tapered
What is the micro-geometry of implants?
Machine
Enhanced surfaces
What are the implant types?
Bone level
Tissue level
What are the widths of implants?
Narrow
Regular
Wide
What are the connections of implants?
External
Internal
Which implant material?
Biocompatible
Function without causing damage to the surrounding tissues
Titanium
Zirconia
Which implant material?
Resist forces during function/parafunction and cyclic loading
Titanium
Zirconia
Which implant material?
Resistance to corrosion and wear
Titanium
Zirconia
Which implant material?
Modulus of elasticity close to the surrounding bone
Titanium
Zirconia
Which implant macro-geometry?
Immediate placement into ext sockets
Threaded
Which implant macro-geometry?
Increase primary stability
Threaded
Which implant macro-geometry?
Increase BIC (bone-implant contact)
Threaded
Which implant macro-geometry?
Greatest surface area and stress distribution
Parallel
Which implant macro-geometry?
Indicated for limited apical space (anatomical constraints)
Tapered
Which implant micro-geometry?
Bone anchorage (too smooth for osseointegration)
Smooth (0-0.4 um)
Which implant micro-geometry?
Weaker bone integration (used before 1995)
Minimally rough (0.5-1 um)
Which implant micro-geometry?
Stronger bone responses (most implants today)
Moderately rough (1-2 um)
Which implant micro-geometry?
Increased incidence of peri-implantitis
Rough (> 2 um)
Which implant type?
Wider implant neck
Tissue level
Which implant type?
Preferred in posterior with thick soft tissue - esthetics are not a concern
Tissue level
Which implant type?
Used for larger implant crowns
Tissue level
Which implant type?
Inadequate placement results in prosthetic complications
Tissue level
Which implant type?
Permits development of emergence profile
Bone level
Which implant type?
Manipulation of soft tissue - appearance of a natural tooth
Bone level
Which implant type?
Anterior teeth - provisionalization
Bone level
Which implant type?
More technique sensitive to restore
Bone level
Which implant width?
< 3.5 mm
Narrow
Which implant width?
4-6 mm
Regular
Which implant width?
> 6 mm
Wide
Which implant width?
Lower incisors
Upper laterals
Edentulous
Narrow
Which implant width?
Upper incisors
Canines
Premolars
Edentulous
Regular 4.1
Which implant width?
Premolars
Molars
Regular 4.8
Which implant width?
Lower molars
Wide
Which implant connection?
Screw can loosen due to lateral forces
External
Which implant connection?
Internal chamber for engaging the abutment
Internal
Which implant connection?
Improves abutment stability, fit, and seal performance
Internal
What are the 3 abutments?
Cover screw
Healing abutment
Prosthetic abutment
Which abutment?
Submerged healing
Cover screw
Which abutment?
Stops soft tissue from proliferating in the implant connection
Cover screw
Which abutment?
Color-coded for easy identification
Cover screw
Which abutment?
Different heights
Cover screw
Which abutment?
Removed at 2nd stage surgery (uncovering the implant)
Cover screw
Which abutments?
NEVER torqued
Cover screw
Healing abutment
Which abutment?
Transmucosal (tapered, conical, ovoid)
Healing abutment
Which abutment?
Not used to make final impression
Healing abutment
Which abutment?
Helps in initial tissue shaping
Healing abutment
Which abutment?
Placing a larger healing abutment helps the restorative dentist (soft tissue management)
Healing abutment
Which abutment?
Maintains an opening through the soft tissue during tx, allowing easy access to the implant
Healing abutment
Which abutment?
Can add composite for a “custom healing abutment”
Healing abutment
Which abutment?
Different heights and widths
Healing abutment
Which abutment?
Prefabricated or custom
Prosthetic abutment
Which abutment?
Cannot be modified
Prefabricated prosthetic abutment
Which abutment?
Cement-retained restorations
Prefabricated prosthetic abutment
Which abutment?
Screws into the implant body
Prefabricated prosthetic abutment
Which abutment?
Less expensive and easier for the lab
Prefabricated prosthetic abutment
Which abutment?
Straight, angled, anatomic, ceramic
Prefabricated prosthetic abutment
Which abutment?
Allows anatomic design of the abutment
Custom prosthetic abutment
Which abutment?
Cement-retained and screw-retained restorations
Custom prosthetic abutment
Which abutment?
Custom designed for final restoration
Custom prosthetic abutment
Which abutment?
More expensive: gold cylinder + metal alloy
Custom prosthetic abutment
Which abutment?
CAD/CAM fabricated: milled from titanium
Custom prosthetic abutment
Which impression coping?
Requires modification of tray
Open-tray
Which impression coping?
Color-coded and different sizes (short, long)
Open-tray
Which impression coping?
Allows for a verification jig (splinting for multiple implants)
Open-tray
Which impression coping?
Does NOT require modification of the tray
Closed-tray
Which impression coping?
Easier for limited opening
Closed-tray
Which impression coping?
Sometimes easier in the posterior
Closed-tray
How much torque is used for the provisional restoration?
15 Ncm
How much torque is used for the final restoration?
35 Ncm
Arrow towards the numbers on the torque wrench means…
torquing
Arrow away from the numbers on the torque wrench means…
un-torquing
What is the only part of the torque wrench you should touch when torquing?
Tear drop
There is an analog for the __________ and an analog for the _________
abutment; implant
What are 2 levels of impressions?
Abutment-level impression
Implant-level impression
