The Fabrication of an Implant-Retained

Mandibular Overdenture

ByBy

Mian BëhmMian Bëhm

In partial fulfilment ofIn partial fulfilment of

BTech: Dental TechnologyBTech: Dental Technology

Contents

Condition and Background InformationCondition and Background Information Possible Clinical Treatment OptionsPossible Clinical Treatment Options Possible Technical Treatment OptionsPossible Technical Treatment Options Most Suitable Treatment OptionMost Suitable Treatment Option Treatment of ChoiceTreatment of Choice Laboratory ProceduresLaboratory Procedures ReferencesReferences AcknowledgementsAcknowledgements

Condition and Background Information

Motor vehicle Motor vehicle accidentaccident

Severe back and Severe back and neck injuriesneck injuries

Class 1 Class 1 Compound Compound fracture of fracture of mandiblemandible11

Condition and Background Information

Continue

Functional problems in left condyleFunctional problems in left condyle No lip sealNo lip seal Impaired speechImpaired speech Loss of aestheticsLoss of aesthetics

Possible Clinical Treatment Options

11st st TreatmentTreatment

Removal of Removal of mandiblemandible

OsteotomyOsteotomy33

22nd nd TreatmentTreatment

Creating a new Creating a new sulcussulcus

Placing multiple Placing multiple implantsimplants

Possible Technical Treatment Options

Conventional Conventional partial denturepartial denture

Implant-supported Implant-supported overdentureoverdenture

ImplantImplant--supported supported ceramic ceramic rrestestoratorationion

Partial denturePartial denture

± ± R 400.00R 400.00

Excl. SurgeryExcl. Surgery

Special traysSpecial trays

Record Record blocksblocks

OverdentureOverdenture

± ± R 2000.00R 2000.00

Excl.Excl. Surgery Surgery ImplantsImplants Special traysSpecial trays Record blocksRecord blocks

Ceramic restorationCeramic restoration

± ± R 4300.00R 4300.00

Excl. SurgeryExcl. Surgery ImplantsImplants Special traysSpecial trays Record blocksRecord blocks

Most Suitable Treatment Option

ImplantImplant--supported ceramic restorationsupported ceramic restoration

AdvantagesAdvantages

Life-like aestheticsLife-like aesthetics

DurableDurable

DisadvantagesDisadvantages

ExpensiveExpensive

Technically challengingTechnically challenging

Little supporting structureLittle supporting structure

Treatment of Choice

AdvantagesAdvantages

Less expensiveLess expensive

Good aestheticsGood aesthetics

Restore facial profileRestore facial profile

RemovableRemovable

DisadvantageDisadvantage

Tissue wearTissue wear

Implant-supported overdentureImplant-supported overdenture

Laboratory Procedures

1.1. Impression and Impression and modelmodel

2.2. Set-up, wax-up Set-up, wax-up and duplicateand duplicate

Laboratory Procedures

3.3. Surgical stentSurgical stent 4.4. ImplantsImplants

Laboratory Procedures

5.5. 22ndnd Impression Impression and model with and model with analogsanalogs22

6.6. Wax-up with Wax-up with guide pinsguide pins

Laboratory Procedures

7.7. Wax is precision Wax is precision milled milled

8.8. Retentive balls Retentive balls are placed are placed

Laboratory Procedures

9.9. Framework is Framework is cast and cast and polishedpolished

10.10. Overdenture Overdenture placedplaced

References

1.1. Harold, W. Harold, W. Overdentures Made EasyOverdentures Made Easy, 3rd , 3rd ed. London: Quintessence Publishing Co ed. London: Quintessence Publishing Co Ltd. 1996: 105 – 13.Ltd. 1996: 105 – 13.

2.2. Southern Implants, Southern Implants, Laboratory Procedures Laboratory Procedures Manual,Manual, January 2003. January 2003.

3.3. Whaley, K. Whaley, K. Muir’s Textbook of PathologyMuir’s Textbook of Pathology, , 15th ed. 2001 : 680.15th ed. 2001 : 680.  

Acknowledgements

Prof. MorkelProf. Morkel Mr MazemaMr Mazema Ms NortjMs Nortjéé Mrs WrightMrs Wright