1. In partial fulfillment of BTech: Dental Technology
The Fabrication of a Prosthetic Mandible Following a Fibromyxoma-Related Mandibulectomy by
Jan Truter Bothma
In partial fulfillment of BTech: Dental Technology
Peninsula Technikon

2. Contents Patient History Patient Condition and Background
Treatment Options
Treatment Plans
Dental Technology Plans
Dental Technology Procedures
Final Procedure
References
Acknowledgements

3. Patient History Male, 27 yrs old Progressive swelling of mandible
36 is mobile

4. Patient Condition and Background
Lymphadenopathy in neck
Fibromyxoma diagnosed

5. X-ray

6. Fibromyxoma
Benign tumour1
Young male adults
Odontogenic origin2

7. Treatment Options Very large in size (approx 12cm3)
Curettage not considered2
Surgical removal only option

8. Treatment Plans
Oral surgery
No growth found in maxilla

10. Dental Technology Plans
Two choices are available:
- Appliance with three titanium wires and acrylic condyle
- Titanium mandible

11. Appliance with 3 titanium wires and acrylic condyle
Advantages
Inexpensive
Easily fitted
Disadvantages
Not similar to tissue to be replaced
Discomfort

12. Titanium mandible Advantages Disadvantages
Is the same as tissue to be replaced
Very good results
Fit is very good
Disadvantages
Expensive
Fitting is lengthy process

13. Option most suitable Titanium mandible most suitable - best result
Option was not chosen
- Expensive
- Difficult to fabricate

14. Option chosen
The appliance with the 3 titanium wires and acrylic condyle is chosen
- Inexpensive
- Ease of fabrication

15. Dental Technology Procedures
Mould of condyle
Orthodontic acrylic used
Wires bent in correct shape
Polish

16. Final Procedure Appliance placed Screws hold appliance in place
Tissue sutured

17. Laboratory Costs Technikon Laboratory Costs Materials = R95
Labour = R0
Total = R95
Private Laboratory Costs
Materials = R170
Labour = R300
Total = R470

18. Clinical Costs Tygerberg Hospital Private Hospital Surgery = R17
Anaesthetist = R0
Accommodation = R168
Total = R17
Private Hospital
Surgery = R3968
Anaesthetist = R4000
Accommodation = R4368
Total = R11 936

19. References Http://cancerweb.ncl.ac.uk/omd
Stedman’s Medical Dictionary. 27th ed. Maryland: Lippincott Williams & Wilkins; 2000.

20. Acknowledgements Prof. Morkel Mrs Nortjie Mr Motto Mr Steyn Mrs Wright
Mr van Niekerk (interpreter)