10. Implants

Question 1

What are the intra-oral contraindications for dental implants?

Answer 1

• Limited bone
• < 10mm height
• Reduced width < 6mm
• < 7mm between roots
• Poor bone quality
• Unfavorable intermaxillary relationships
  
  • Severe malocclusions
  • Limited inter arch space < 5.5mm
• Parafunctional habits
• Poor OH/compliance - PD
• Xerostomia
• Radiation Tx (head and neck)
  
  • Med consult

Question 2

What is the min MD width between teeth needed to place an implant?

Answer 2

6-7 mm between teeth

Question 3

What is the MD width needed between and implant and natural teeth?

Answer 3

> 1.5mm

Question 4

When is a single tooth implant not recommended?

Answer 4

> 10mm MD space

Question 5

What is the proper surgical technique for placing implants?

Answer 5

• < 47 Celsius for 1 min or less
• Low speed, high torque hand pieces
• Graded series of drills

Question 6

What is the average annual bone loss after the 1st post-operativve year?

Answer 6

< 0.2mm

Question 7

For an implant to be successful what marginal bone loss is okay in the first year?

Answer 7

1.0 - 1.5 mm