Retreatment of catstrophic failures with posteriorly placed long implants
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Transcript of Retreatment of catstrophic failures with posteriorly placed long implants
Retreatment of failed implants
using posteriorly placed ‘long
implants’
With 8 years of follow-up
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