1. FFIIXXEEDD FFUUNNCCTTIIOONNAALL AAPPPPLLIIAANNCCEESS
-- AANN AAPPPPRRAAIISSAALL
DDrr.. CChheettaann JJaayyaaddee

2. The Herbst appliance – generations
Gen. I – Banded and crown Herbst
Gen. II – Herbst directly onto archwires
Gen. III – Cantilever Herbst
Gen. IV – The Ball joint attachments

3. RFFA’s : The Ventral Telescope

4. RFFA’s : The Magnetic Telescopic device
- Ritto – 1997

5. RFFA’s : The Mandibular Protraction
Appliance ( MPA)
-Coelho Filho – 1995,97,98,2001
MPA I

6. RFFA’s : The Mandibular Protraction
Appliance ( MPA)
MPA I

7. RFFA’s : The Mandibular Protraction
Appliance ( MPA)
MPA II

8. RFFA’s : The Mandibular Protraction
Appliance ( MPA)
MPA II

9. RFFA’s : The Mandibular Protraction
Appliance ( MPA)
MPA III

10. RFFA’s : The Mandibular Protraction
Appliance ( MPA)
MPA IV

11. RFFA’s : The Universal Bite Jumper (UBJ)
Xavier Calvez - 1998

12. RFFA’s : The Universal Bite Jumper (UBJ)

13. RFFA’s : The Universal Bite Jumper (UBJ)

14. RFFA’s : The Ritto Appliance
- Koroddi Ritto - 1998

15. RFFA’s : The Ritto Appliance

16. RFFA’s : The Biopedic - GAC

17. RFFA’s : The Intra-oral Snoring Therapy
appliance (IST) - Hinz

18. The MMAARRAA aapppplliiaannccee –– TToollll aanndd EEcckkhhaarrtt

19. The MMAARRAA aapppplliiaannccee –– TToollll aanndd EEcckkhhaarrtt

20. TThhee MMAARRAA aapppplliiaannccee

21. Effects due to the Herbst appliance

22. Effects due to the Herbst appliance

23. Herbst appliance in an adult
a)Dento-alveolar changes
b)Source of anchorage
c)TMJ dysfunction

24. Clinical considerations for a fixed
functional appliance
Appliance selection
Archwire selection – Upper + Lower
Initial adaptation of the patient
Stepwise advancement
Considerations of retention

25. Clinical considerations for a fixed
functional appliance
Appliance selection
PEA preferable (specially in the lower
arch)– rigid rectangular wire with labial
root torque on anteriors.
Upper appliance dependant on the
malocclusion
Upper and Lower Begg appliance ?

26. Clinical considerations for a fixed
functional appliance
Archwire selection
Upper archwire – atleast 0.018” SS (Begg)
or 0.017 X 0.025” SS (PEA)
Lower archwire – 0.019 X 0.025” (PEA)
0.021 X .025” (Tip-edge)
0.022 X 0.018” ( Begg)

27. Clinical considerations for a fixed
functional appliance
Initial adaptation of the patient
Acrylic splint with mandible postured
forward for muscle adaptation and
training the patient

30. Clinical considerations for a fixed
functional appliance
Stepwise advancement – Not always
necessary
Considerations of retention - How long
- with what?