restoration of dental implants Flashcards
Priority Groups for Implants:
for tx on the NHS
- Congenital, inherited conditions that have led to missing teeth, tooth loss or malformed teeth
- Traumatic events leading to tooth loss
- Surgical interventions resulting in tooth and tissue loss, e.g. head and neck cancer
- Congenital or acquired conditions with extra-oral defects, e.g. eyes or ears
- Edentulous in either one or both jaws whom repeated conventional denture treatment have been unsuccessful
- Severe oral mucosal disorders and those with severe xerostomia where conventional prosthetic treatment is not possible
- Patients who do not have suitable existing teeth that can be used for anchorage to facilitate orthodontic treatment
Stages of Implant Treatment
- Planning Phase
- Surgery
- Restoration
- Maintenance
How can a radiographic stent be used in implant planning?
To indicate tooth positioning.
How can a surgical stent be used in implant planning?
To guide implant placement.
What are the 2 types of implant fixture?
- Tissue Level
- Bone Level
For single tooth replacement, what type of restoration will be used?
A Crown
For multiple tooth replacement, which type of restoration should be used?
A bridge.
What are the 2 options for full arch replacement?
Fixed or removable treatment strategies.
What are the 5 principles of implant restorations?
- Good aesthetics
- Well retained
- Functional
- Cleansable
- Retrievable
What are the advantages and disadvantages of screw retained crowns?
- Easily Retrievable/Removable
- Known Retention (known torque)
- No Risk of Excess Cement
BUT
- Screw access filling.
- Dependent on implant angulation
Advantages and disadvantages cement retained crowns.
- No screw access hole.
- Independent of surgical positioning.
BUT
- difficult to retrieve
- risk of peri-implant cementitis
What are the 3 clinical stages of a single crown?
- Planning
- Surgical Phase
- Healing for osseointegration (usually with healing abutment)
- Primary imps.
- Open tray implant pick up secondary imp.
- Fit
Which material is used for taking impressions of implants?
Polyether
What are the clinical stages for an implant retained bridge?
- Planning
- Surgical Phase
- Healing for osseointegration.
4a. Primary Imps
4b. Open tray implant pick up secondary imps. - Verification jig and jaw reg.
- Try in.
- Fit
When treatment planning to replace the full arch with an implant retained denture, which 2 treatment planning decisions need to be considered?
- Does the patient require lip support?
- How much prosthetic space is available?
