Retreatment of failed implants

using posteriorly placed ‘long

implants’

With 8 years of follow-up

Luc@Vrielinck.be

07/02/1995: Initial situation

Treatment I

30/07/1995: Failure 4 implants

X X X X

Treatment II

Hip crestal bone, Titanium membrane

2x Zygoma,

RP: 2x tuber, paranasal and anterior

Treatment III

26/10/2000

2002: failure 23 and left zygoma

X X

X

Treatment IV

03/10/2002

Situation

• Only 3 implants available:

– Zygoma right (M1 location teeth 16)

– Pterygoid right (M3 location teeth 18)

– Pterygoid left (M3 location teeth 28)

• Premaxilla: Second PM Right to second

PM left : no bone present anymore

• Additional support is required

– Planning for 1 skull base implant and 1

pterygoid left

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

Immediately before treatment After bar removal

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

Note that the drill guide is screwed on top of the remaining 3 implants

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

Skull base implant Pterygoid implant

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

Drilling for the skull base implant: easy to do !

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

Drilling for the pterygoid implant: easy to do !

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

Free hand placement of the skull base implant

03/10/2002: Placement 1 skull base implant ans 1 pterygoid implant

10/2002: Postoperative healing after placement 1 pterygoid and 1 skull base implant

10/2002: Postoperative CT scan

10/2002: Postoperative CT scan

10/2002: Postoperative CT scan

10/2002: Postoperative CT scan

10/2002: Postoperative CT scan

04/2003: Prosthetic treatments

04/2003: Prosthetic treatments

Prosthetic bar with adequate 3dimensional splinting

of the implants

04/2003: Prosthetic treatments

04/2003: Prosthetic treatments

Residual bucconasal fistula

04/2003: Prosthetic treatments

04/2003: Prosthetic treatments

01/2007: Teeth lower jaw to be extracted

04/2007:bone healing after extractions in lower jaw

Prosthetic screw was lost and replaced

04/2007:bone healing after extractions in lower jaw

04/2007:bone healing after extractions in lower jaw

Treatment V

17/04/2007: placement 2 implants LJ

17/07/2007: Second stage lower jaw

8 year follow up for the skull

base implant

27/03/2011

27/03/2011: Follow-up 08 years

27/03/2011: Follow-up 08 years

27/03/2011: Follow-up 08 years

Only dorsal implant support since whole premaxilla

is missing

27/03/2011: Follow-up 08 years

27/03/2011: Follow-up 08 years

27/03/2011: Follow-up 08 years

27/03/2011: Follow-up 08 years