Quiz Questions Flashcards
What are the 3 major subgroups of dental implants?
Subperiosteal
Transosteal
Endosteal
What type of implants are used for partially edentulous patients?
Endosteal
What type of implants are used for completely edentulous patients?
Subperiosteal
Transosteal
What material are most root form implants made from
Titanium or Titanium alloy, with or without HA coating
What is the original Branemark success rate of implants?
91%
What are the indications for implant placement?
Inability to wear an RPD or CD
Need for long-span fixed prosthesis with questionable prognosis
Unfavorable number and location of potential natural tooth abutment
What are the absolute contraindications to implant placement?
Individuales who are acutely ill
Individuals with uncontrolled metabolic diseases
Pregnant women
How much vertical bone should be available for implant placement?
10mm
How much horizontal bone should be available for an implant?
6mm
What is the minimum distance between adjacent implants?
3mm
What is the special requirement for implants in the mandible?
Implants should be placed 2mm above the superior aspect of the inferior alveolar canal
How far anterior should an implant be to the mental foramen?
5mm
What is the definition of osseous integration
The apparent attachment or connection of osseous tissue to an inert, aloplastic material without intervening CT
The interface between alloplastic materials and bone
What is the definition of a surgical template as it relates to dental implants?
A thin, transparent form duplicating the tissue surface of dental prosthesis and used as a guide for surgically shaping the alveolar process to facilitate implant placement
Which area of the mouth requires the most straightforward area for TP and requires the least amount of time for integration
Anterior mandible
What is the ideal relationship of interdental bone to position of interproximal contacts to predict whether interdental papilla will be present or not
5mm
What are the objectives of using a surgical template in a partially edentulous patient?
Delineate the embrasures
Locate the implant within the restoration contour
Align implants with the long axis of the completed restoration
Indentify the level of the CEJ or tooth emergence from the soft tissue
What are the requirements for a single tooth implant crown?
Esthetics
Antirotation to avoid prosthetic component loosening
Simplicity to minimize the amount of components used
Accessibility to maintain optimum oral health
What the the 2 types of implant supported restorations?
Fixed
Removeable
What is the advantage of a screw-retained implant crown?
Retrievability
What are the advantages of cement-retained implant crown?
Simplicity
Economy
What type of cement is recommended for a cement-retained implant crown to allow future retrieval of the restoration if needed
Interim cements
What instrument tightens the restoration screw for the implant?
Torque wrenches
One potential complication with implant crowns is screw loosening. What are the possible causes of loose restoration retaining screws?
Excessive occlusal contacts not in the long axis of the implant body Excessive cantilever contacts Excessive lateral contacts Excessive interproximal contacts Inadequately tightened scres
What is the amount of bone loss per year that would make us concerned about the implant?
0.2mm per year
What is the main cause of vertical angular bone loss around a dental implant?
Occlusal trauma
