Orthodontic Appliance Making Part-4|Febrication of Hawley active appliance| Finishing & polishing

Hi,
I m Nughman Haider
Dental technician
Work at government hospital
And 2nd time jobs on dental laboratory
I will try to easy method of lab procedures share with friends
Link's of Part-1 & 2
Part-1
• ADAM'S CLASP ||How to ...
Part-2
• Orthodontic appliance ...
Part-3
• orthodontic appliance ...
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#HawleyActive#Retainer#RemovableOrtho Appliance#
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Orthodontic application is very easy by Salt and pepper methods
One dropper is liquid and one dropper is ortho self cure acrylic
Sprink powder of acrylic and liquid on base plate of ortho
Definition. Orthodontic appliances are corrective and supportive braces, designed and prescribed by an orthodontist. The appliances treat malocclusions, including crooked, crowded, and protruding teeth that do not fit properly together.
Types of Orthodontic Appliances
Elastics (Rubber Bands) Wearing elastics (or rubber bands) improves the fit of your upper and lower teeth. ...
Forsus™ ...
Headgear. ...
Herbst® Appliance. ...
Palatal Expander. ...
Positioners. ...
Retainers.
A spring aligner is a modified Hawley type of retainer and has spring action built in to move the teeth. A custom impression of your mouth is required so the lab can make a retainer that precisely fits your teeth. Since retainers don't “grip” the teeth like brackets do, they can only move teeth in certain ways
The Maxillary Hawley Appliance is used to maintain a previous orthodontic result or to simply prevent undesirable movement of the teeth. Typically, patients wear a retainer full-time for three months following active orthodontic treatment.
Removable braces can be used to correct minor problems, or as part of fixed-brace treatment. They can also sometimes be used to discourage children from sucking their thumb, but this is not available on the NHS.
The simple removable appliance is useful in simple, limited tooth movements. The two main types of tooth movements possible with simple removable appliances are arch expansion, both in the anterior incisor expansion and transverse arch expansion in the buccal segment.
Removable braces can be used to correct minor problems, or as part of fixed-brace treatment. They can also sometimes be used to discourage children from sucking their thumb, but this is not available on the NHS.
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What materil is used for trimming

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Stone

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More details

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you can also use a mixture of baking soda powder and green ventilated clay for polishing. www.argital.it/prodotto/argilla-verde-ventilata-attiva/