Chapter 12. Dental Implants

Chapter 12 Dental Implants

1 What are the 3 types of implants?

1. Subperiosteal

2. Transosteal

3. Endosseous

2. Which type of dental implant is placed under the periosteum

and rests on bone?: Subperiosteal

3. How many stages are in the placement of subperiosteal

implants?: 3

4. What happens during the first stage of placing subperiosteal

implants?: Incision made to expose bony ridge, impression taken

and incision closed

5. What happens during the 2nd stage of placing subperiosteal

implants?: Bony ridge replica made, framework with metal

projections is cast to fit over bone. 6. What happens during the

3rd stage of placing subperiosteal implant?: Re-open 1st

incision and expose bone. Framework is placed over bone and

, under periosteum. Tissues sutured with metal projections

protruding into oral cavity

7. What is a transosteal implant?: Horizontal beam attached

to metal rods, inserted into holes that have been drilled in the

mandible. Metal plate bolted to underside of mand. UNCOMMON

very invasive

8. When are transosteal implants used?: Support a

mandibular denture in a pt with severe resorption

9. What is an endosseous implant?: Titanium implant

surgically placed into bone 10. What is a cover/healing screw

and when is it used?: Prevents tissue from growing into screw

hole after implant covered with flap. Used in 2 stage placements

11. What is a healing abutment and when is it used?: Allows

gingiva to form a cuff around it while healing, used immediately

after 1 step stage, or in 2 step stage after 2-3 mo of healing

12. What is immediate placement of an implant?: Tooth

extracted, implant placed directly into socket. Site is covered with