Hawley’s Appliances

Hawley’s Appliances

Write short note on Hawley’s appliance.

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“Global prevalence of Hawley’s appliance prescriptions”

Charles Hawley in 1920 designed Hawley’s appliance which is the most frequently used retainer.

• Hawley’s appliance is also known as dental crutch.
• This is a passive appliance which can be removed and inserted by the patient at his/her own will.
• A classic Hawley’s retainer consists of clasp on the molars and a short labial bow from canine to canine having adjustment loops.

Read And Learn More: Retention and Relapse in Orthodontics: Causes, Types, Functions

“Understanding Hawley’s appliances: Types and benefits”

Modifications of Hawley’s Appliance to Suit Specific Requirements are:

• Labial bow in Hawley’s appliance can be extended from fist premolar of one side to fist premolar of another side. This design closes the space distal to canine.
• Soldering of bow to bridge of Adam’s clasp: This design avoids the risk of space opening up between canine and premolar because of cross-over wires. Fitted labial bow can also be used to offer excellent retention.
• Anterior bite planes can be incorporated to retain or correct the deep bite cases.

“Treatment options using Hawley’s appliances in orthodontics”

Advantages of Hawley’s Appliance

• Hawley’s Appliance is easy to fabricate as it has a simple design.
• There is minimum patient discomfort because of decreased bulk.
• Since it is relatively inconspicuous it is acceptable to the patient.

“Importance of Hawley’s appliances after braces”

Hawley’s Appliance Indications

• Hawley’s Appliance is used to close the space in the anterior region.
• Hawley’s Appliance is used in retracting the minor proclination.
• Hawley’s Appliance is used as a retainer appliance.
• Hawley’s appliance with bite plane is used to correct the deep bite.
• Hawley’s Appliance is used to treat TMJ problems.
• Hawley’s Appliance is used as a habit-breaking appliance
• Hawley’s appliance along with the bite plate removes the restraining effect in the mandible and allows further growth.