Sept 19 Clellan Lecture Flashcards
What are some reasons a dentist would choose implants for themselves?
Preserves tooth structure
Preserves bone
Single-tooth implant predicted to have lower lifetime cost and higher success rate than tooth-supported prosthesis over 20 year period
What are some reasons a dentist would not choose implants for themselves?
Requires surgery, healing time, and additional planning
Bone grafting may require multiple surgeries
Cost
What are some health contraindicaitons to placing implants?
Acute illness Terminal illness Pregnancy Uncontrolled metabolic disease Tumorcidal radiation Unrealistic patient expectations Improper patient motivation Lack of operator experience Inability to restore with a prosthesis
How much bone height is needed to place and implant
10mm
How much bone width is needed?
5-7mm depending on the implant diameter
How far does an implant need to be from the IAN?
2mm
How far from the mental foramen does an implant need to be?
5mm anterior
How far do implants need to be from each other?
3mm
7mm center to center
How far do implants need to be from natural teeth?
1mm from the PDL
Compare the fee of an implant to an FPD
Single tooth implant costs an average of $261 more than an FPD, but success rate at 10 years was 10.4% higher (91.7% v 81.3%)
How much healing time do we allow for implants?
6 mo
What can we offer in the way of interim tooth replacement?
Interim partial denture
What are the advantages of an FPD?
Feels fairly permanent (compared to RPD)
Capable of directing forces along the long axes of abutment teeth
Capable of achieving good esthetics
What are the disadvantages of an FPD?
May involve irreversible preparation of minimally restored or virgin teeth
Abutments susceptible to recurrent decay
Cost for remake
Extra hygiene steps
What are the advantages of an RPD?
Indicated when acrylic will improve esthetics (excessive bone loss)
Least expensive
Good for small interocclusal distances where implants might not be
