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Transcript
The Fabrication of a Prosthetic
Mandible Following a
Fibromyxoma-Related
Mandibulectomy
by
Jan Truter Bothma
In partial fulfillment of BTech: Dental Technology
Peninsula Technikon
Contents
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Patient History
Patient Condition and Background
Treatment Options
Treatment Plans
Dental Technology Plans
Dental Technology Procedures
Final Procedure
References
Acknowledgements
Patient History
• Male, 27 yrs old
• Progressive swelling of mandible
• 36 is mobile
Patient Condition and Background
• Lymphadenopathy in neck
• Fibromyxoma diagnosed
• X-ray
Fibromyxoma
• Benign tumour1
• Young male adults
• Odontogenic origin2
Treatment Options
• Very large in size (approx 12cm3)
• Curettage not considered2
• Surgical removal only option
Treatment Plans
• Oral surgery
• No growth found in maxilla
Dental Technology Plans
• Two choices are available:
- Appliance with three titanium
wires and acrylic condyle
- Titanium mandible
Appliance with 3 titanium wires and
acrylic condyle
Advantages
Disadvantages
• Inexpensive
• Easily fitted
• Not similar to tissue to
be replaced
• Discomfort
Titanium mandible
Advantages
Disadvantages
• Is the same as tissue
to be replaced
• Very good results
• Fit is very good
• Expensive
• Fitting is lengthy
process
Option most suitable
• Titanium mandible most suitable
- best result
• Option was not chosen
- Expensive
- Difficult to fabricate
Option chosen
• The appliance with the 3 titanium wires
and acrylic condyle is chosen
- Inexpensive
- Ease of fabrication
Dental Technology Procedures
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Mould of condyle
Orthodontic acrylic used
Wires bent in correct shape
Polish
Final Procedure
• Appliance placed
• Screws hold
appliance in
place
• Tissue sutured
Laboratory Costs
Technikon Laboratory Costs
• Materials
• Labour
= R95
= R0
Total =
R95
Private Laboratory Costs
• Materials
• Labour
= R170
= R300
Total =
R470
Clinical Costs
Tygerberg Hospital
• Surgery
• Anaesthetist
• Accommodation
= R17
= R0
= R168
Total
=
R17
Private Hospital
• Surgery
• Anaesthetist
• Accommodation
= R3968
= R4000
= R4368
Total = R11 936
References
1. Http://cancerweb.ncl.ac.uk/omd
2. Http://medicine.osu.edu/oto/atlas/myxom
as2.pdf
3. Stedman’s Medical Dictionary. 27th ed.
Maryland: Lippincott Williams & Wilkins;
2000.
Acknowledgements
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Prof. Morkel
Mrs Nortjie
Mr Motto
Mr Steyn
Mrs Wright
Mr van Niekerk (interpreter)