FIXED FUNCTIONAL APPLIANCES
INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
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 www.indiandentalacademy.com
RFFA’s : The Ventral Telescope
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RFFA’s : The Magnetic Telescopic device - Ritto – 1997
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RFFA’s : The Mandibular Protraction Appliance ( MPA) -Coelho Filho – 1995,97,98,2001 MPA I
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RFFA’s : The Mandibular Protraction Appliance ( MPA) MPA I
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RFFA’s : The Mandibular Protraction Appliance ( MPA) MPA II
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RFFA’s : The Mandibular Protraction Appliance ( MPA) MPA II
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RFFA’s : The Mandibular Protraction Appliance ( MPA) MPA III
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RFFA’s : The Mandibular Protraction Appliance ( MPA) MPA IV
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RFFA’s : The Universal Bite Jumper (UBJ) Xavier Calvez - 1998
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RFFA’s : The Universal Bite Jumper (UBJ)
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RFFA’s : The Universal Bite Jumper (UBJ)
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RFFA’s : The Ritto Appliance - Koroddi Ritto - 1998
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RFFA’s : The Ritto Appliance
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RFFA’s : The Biopedic - GAC
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RFFA’s : The Intra-oral Snoring Therapy appliance (IST) - Hinz
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The MARA appliance – Toll and Eckhart
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The MARA appliance – Toll and Eckhart
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The MARA appliance
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Effects due to the Herbst appliance
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Effects due to the Herbst appliance
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Herbst appliance in an adult
a)Dento-alveolar changes b)Source of anchorage c)TMJ dysfunction
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Clinical considerations for a fixed functional appliance Appliance selection Archwire selection – Upper + Lower Initial adaptation of the patient Stepwise advancement Considerations of retention www.indiandentalacademy.com
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 www.indiandentalacademy.com
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)
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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
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Clinical considerations for a fixed functional appliance Stepwise advancement – Not always necessary Considerations of retention - How long - with what? www.indiandentalacademy.com
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