Radiographic Assessment Options for Dental Implants Flashcards
What are the 4 preoperative role in the placement of an implant when assessing the radiograph
Bone volume (most important!)
Bone quality
Pathology
Establish anatomic boundaries
When determining bone quality what are we looking at
The quality of the bone within the residual alveolar ridge
Establish anatomic boundaries:
What vital structures encroach on the residual alveolar ridge
Maxilla: sinus, nasopalatine canal (want to use the canine eminence)
Mandible: Mental foramen, inferior alveolar canal
Preoperative roles:
What do we consider when thinking of design
Consider prosthetic space requirements
Use software to develop virtual simulations
What 3 prosthetic space requirements do we need to consider
- inter-coronal space
- Oro-facial space
- inter-radicular space
Interocclusal space:
Fixed= Allow for __, __, __, __, +/- __
Anterior __ mm | posterior __ mm
Soft tissue
abutment
metal
restorative material
cement
10-12 mm
8-9 mm
Interocclusal space:
Removable= Allow for __, __ and __
Bar: __ mm| Attachment: __ mm
soft tissue
adequate abutment
prosthetic thickness
>/= 15 (15-17mm)
>/= 7 (10-12mm)
Preoperative role of radiographs with implants, planning component
Transfer analog plan to the virtual environment
Facilitate surgical guide construction
Prevents pathetically poor performance
What are the two types of surgical guide constructions
Indicative / semi-restricted
Prescriptive / restricted (single pilot or fully guided)
What is a perioperative role of radiographs in impant placement
Digital intraoral radiography: Guided implant placement with a handheld x-ray
How else can an x-ray be used during the placement of an implant
Calibrated measurements
single site implant placement
What are the 5 postoperative objectives of x-rays for implants
- monitor osseointegration
- immediate or delayed review of implant position
- establish osseointegration failure
- prior to implant retrieval
- graft success
How is radiographic success of an implant established
Patient satisfaction (subjective)
Prosthetic criteria
peri-implant soft tissue criteria
Implant has absence of pain, mobility and infection
Radiographically, an impant should have __ mm crestal bone loss at 1 year
__ mm annual crestal bone loss after 1st year
and absence of __
<1.5 mm
< 0.2 mm
peri-implant radiolucency
What are two things to monitor osseointegration
bone to implant interface
marginal bone level stability
