fabrication of an implant-retained partial denture by michael du preez in partial fulfilment of...
TRANSCRIPT
Fabrication of an Fabrication of an Implant-Retained Partial DentureImplant-Retained Partial Denture
By
Michael du Preez
In partial fulfilment of
BTech: Dental Technology
ContentsContents
HistoryClinical Treatment PlanPossible Technical Treatment PlanTreatment Option of ChoiceLaboratory ProceduresFinal PlacementReferences
HistoryHistory
13 year-old Swelling in left
area of mandible Possible malignant
tumor
HistoryHistory
Tumor removed Juvenile ossifying
fibroma
HistoryHistory
Mandibular bone loss
Dentition loss
HistoryHistory
Reconstruction Plate
Two premolars and three molars remained
HistoryHistory
Fibula free flap Segment of fibula
is removed
HistoryHistory
Part of reconstruction plate removed
HistoryHistory
• Fibula is removed• Formed and
attached15
HistoryHistory
Reconstructed Mandible
Stabilized with plates and screws
Clinical Treatment PlanClinical Treatment Plan
What type of implant? What can be performed with available
bone? How many implants?
Clinical Treatment PlanClinical Treatment Plan
Advantages• Bone
stabilization12&9
• Retrievability• Improvement of
function13
• Psychological improvement10
Disadvantages• Risk of screw
loosening11
• Length of treatment plan11
• Multiple surgery• Cost
Clinical Treatment PlanClinical Treatment Plan
Biocompatible titanium
Implant Abutment
Clinical Treatment PlanClinical Treatment Plan
Implant is screwed or tapped in the bone14&8
Tissue sutured closed
Clinical Treatment planClinical Treatment plan
• Tissue over implant removed14
Abutment is placed on implant14&8
Selected attachment placement14
Possible Technical Treatment Possible Technical Treatment PlanPlan Bar attachment2&7
2 to 6 implants needed14
Support denture14
Relieves tissue14
Best suited for cases of severe bone loss14
Possible Technical Treatment Possible Technical Treatment PlanPlan Ball and socket
attachment3&14
2 to 4 implants needed14
Better suited for lower14 denture
Simplest way14
Ball type insert fits in o-ring type attachments14
Possible Technical Treatment Possible Technical Treatment PlanPlan Screw-in fixed
bridge14
4-8 implants needed14
Non-removable14
Need sufficient bone14
Possible Technical Treatment Possible Technical Treatment PlanPlan Cemented fixed
bridge14
4-10 implants needed14
Natural appearance14
Easy to clean14
Possible Technical Treatment Possible Technical Treatment PlanPlan Magnetic
attachment1&3
2 to 3 implants needed14
Magnetic keeper heads connected to abutments6
Magnetic units incorporated in the denture6
Treatment Option Of ChoiceTreatment Option Of Choice
Bar attachment2&14
Most suitable2
Less expensive than cemented fixed bridge14
Less trauma on tissue14
Mechanical retention4
Best suited for cases of sever bone loss14
Laboratory ProceduresLaboratory Procedures
Surgical Stent4
Guides and indicate implant position4
Critical factor for ideal surgical and aesthetic results5
Laboratory ProceduresLaboratory Procedures
• Preliminary impression2
Special Tray fabrication2
Master Cast
Laboratory ProceduresLaboratory Procedures
Custom record blocks
Wax setup Fabrication of bar
attachment Processing and
finishing of denture
Laboratory ProceduresLaboratory Procedures
Final product 14
Clips incorporated in denture14
Bar attachment on the implants14
Final PlacementFinal Placement
SpeechAestheticsMasticationSelf-Esteem
Thank youThank you
ReferencesReferences
1.Babbush C.A. Dental Implants, The Art And Science, London, W.B. Saunders Company, 2001:243-247.
2.Hobo S. Ichide, E. Garcia, L.T. Osseointegration and Occlusal Rehabilitation, Tokyo, Quintessence Publishing Company, 1990:153-207.
3.Jamanez-Lopez V. Oral Rehabilitation with Implant Supported Prostheses, Tokyo, Quintessence Publishing Company, 1998:269-273.
4.White G.E. Osseointegrated Dental Technology, Tokyo, Quintessence Publishing Company,1993:31-43.
ReferencesReferences
5.Taylor D. Clinical Maxillofacial Prosthetics, Tokyo, Quintessence Publishing Company, 2000: 189-203.
6.The Journal of oral impantology,vol12 no.1,1985,436-4417.D’ Angelo J. Dr. Joseph D’ Angelo , www.joethedentist.com,
date accessed: 15 September 2004.8.www.cunj.org, date accessed: 10 September 2004 9.www.microsurgeon.org, 2004, date accessed 15 September
200410.www.drshanaman.com, date accessed 10 September 200411.www.barryhenbestdds.com, date accessed 10 September
200412.Davidoff S.R. The Dental Implant Homepage,
www.dental-implants.com, date accessed 7 September 2004
ReferencesReferences
13.www.dental-implants.co.uk, date accessed 10 September14.The dental implant projects, www.implant4you.com, date
accessed 10 September 2004 15.www.ufhscj.edu, date accessed 9 September 2004