try in and delivery of orthodontic applicances presentation seminar
TRANSCRIPT
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Try in and delivery of Orthodontic Appliances
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Outline
• Introduction• Definition• Objectives• Removable appliances• Fixed appliances• Functional appliances
Delivery + Instructions
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Introduction
• There are many factors that should be looked into when delivering an orthodontic appliance.
• If these factors are not considered, problems can occur that can be costly and damaging, both to the patient and the doctor.
• The above outcomes are also anticipated if the patient is not instructed well.
• When these factors looked into, the patient has good outcome in treatment leaving both the doctor and patient satisfied.
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Definitions• To deliver -–produce or achieve what is desired or expect
ed; make good– To surrender (someone or something) to ano
ther; hand over
• Try-in The temporary placement of a dental restoration or device to determine its fit and comfortableness. http://medical-dictionary.thefreedictionary.com/try-in
http://www.thefreedictionary.com/deliver
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Objective• To be able to describe what happens during
Try in and Delivery of Orthodontic appliances
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Try in and Delivery of Removable Appliances
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Try in and Delivery of Removable Appliances
• Tissue surface of appliance – no sharp areas or nodules
• Baseplate may need trimming to help in easy insertion and removal
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Try in and Delivery of Removable Appliances
• Clasps examined for adequate retention – if not then they should be adjusted to engage the undercut
• The active components should rest at desired location - should not impinge on gingiva, sulcus or frenum
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Instructions on Removable appliances
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Instructions on Removable appliances
• The pt should be educated on how to insert and remove appliance.
• Show the appliance to them and demonstrate to them the action of the various components.
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Instructions on Removable appliances
• They should be instructed not to distort the various active components of the appliance.
• The active components can be activated after a few days once the pt gets used to the appliance
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Instructions on Removable appliances
• Number of hours of wear – most appliances both day and night (24hrs). Recommended to be removed during strenuous physical activities, sports and mealtimes.
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Instructions on Removable appliances
• Talking and eating are difficult at first, but will return to normal after 2 or 3 days.
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Instructions on Removable appliances
• Salivating is a totally normal occurrence and should subside within a week
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Instructions on Removable appliances
Avoid sticky or hard foods
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Instructions on Removable appliances
• Otherwise dilemma…
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Instructions on Removable appliances
• Appliance and teeth cleaned after every meal and before going to sleep at night
• Clean appliance using detergent solution and brush – careful not to bend or dislodge any of the components of the appliance
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Instructions on Removable appliances
• If screws present – instruct on how to activate
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Instructions on Removable appliances
• Instruct to report immediately to clinic if appliance damages or any other problem while wearing them
• Instruct to not leave appliance out of mouth for long time as it increases the risk of loss and damage
• The appliance should be stored safely in a container when not in use (during mealtimes, strenuous physical activities or sports)
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Delivery of fixed appliances
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Delivery of fixed appliances
• In most cases the teeth banded and then brackets added.
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Delivery of fixed appliances
• Adhesive applied on teeth to be braced to help the cement bond to the surface of the tooth.
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Delivery of fixed appliances
• A bracket applied on each tooth, and light cured until hardened.
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Delivery of fixed appliances
• If required, orthodontic spacers may be inserted between the molars to make room for molar bands to be placed at a later date.
• Molar bands are required to ensure brackets will stick.
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Delivery of fixed appliances
• An archwire will be threaded between the brackets and affixed with elastic or metal ligatures.
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Delivery of fixed appliances
• Ligatures are available in a wide variety of colors and shapes, and the patient can choose.
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Delivery of fixed appliances
• Brackets with hooks can be placed, or hooks can be created and affixed to the archwire to affix rubber bands to.
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Delivery of fixed appliances
• Rubber bands –Different diameters, sizes, and strengths. –Colored or clear/opaque.
• Their placement and configuration will depend on the course of treatment and the individual patient.
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Delivery of fixed appliances
• Accurate bracket placement crucial to achieving successful treatment outcome.
• The 'correct' position of the bracket on the facial surface will depend upon the bracket system used.
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Delivery of fixed appliances
• Bracket placement is particularly important with these pre-adjusted systems as the values for tip and torque are calculated for the midpoint of the facial surface of the tooth.
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Incorrect bracket positioning
Incorrect tooth position
Affected function and aesthetics
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Instructions for fixed appliances
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Instructions for fixed appliances
• Cut food up into small pieces • Avoid fizzy drinks in-between meal times
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Instructions for fixed appliances
• Brush twice a day removing food/plaque form the braces
• Use a fluoride mouthwash during the day • There may be need to replace toothbrush
more often as it will wear out faster.
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Instructions for fixed appliances
• Instruct pt that teeth will be uncomfortable for the first couple of days so to take painkillers
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Instructions for fixed appliances
• If the brace rubs on their gums or lips, use the wax that they are given.
• They are to take a small piece and place it onto the bit brace that is rubbing.
• Dry the tooth beforehand or the wax will not stick.
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Instructions for fixed appliances
If they play a musical instrument with a mouthpiece, it will take them one to two weeks before they become as skillful as before.
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Functional appliance
• For patients with a large overjet protruding the patient's mandible more than 75 per cent of their maximum protrusion can make the appliance difficult to tolerate.
• It is possible to reactivate some functional appliances during treatment if further protrusion is required.
• Incremental advancement of the mandible during treatment may make it easier for the patient to tolerate, but claims that this may improve the skeletal response have not been prove
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Fitting the functional appliance
• The patient should be made aware that although the functional appliance will not be painful, it can be difficult to get used to initially.
• Good motivation is important in all aspects of orthodontics, but this is particularly true with functional appliances.
• They can be demanding appliances to wear at first, but children will adapt to them very quickly provided they are worn sufficiently.
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• The amount of hours the appliance needs to be worn each day depends on the type of appliance.
• remove during sports• Functional appliances such as the twin-block
and Herbst that can be worn full-time often allow the patient to adapt more quickly.
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Reviewing the functional appliance
• It is advisable to see the patient 2-3 weeks after fitting.
• At every review appointment motivation of the patient is vital, as well as checking the fit of the appliance and treatment progress.
• Once the clinician is confident that the patient is wearing the appliance as instructed the review appointments can be made at 6-10-week intervals.
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• If there is no progress this could be due to a number of factors:– Poor compliance– Lack of growth or an unfavourable growth
rotation– Problems with the design or fit of the appliance
• Compliance tends to be better with the younger patients.
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References
• Removable Orthodontic Appliance instructions – Chapel Road Orthodontics.
• An introduction to Orthodontics – Laura Mitchell, pgs 185, 197, 214.
• https://en.wikipedia.org/wiki/Dental_braces#Fitting_procedure
• http://www.pontcannadental.co.uk/treatments/all-our-treatments/14/fixed-appliance-braces.html
• http://lowtondental.co.uk/patients/Leaflets/Fixed%20Appliance%20Instructions.pdf
• http://medical-dictionary.thefreedictionary.com/try-in
• http://www.thefreedictionary.com/deliver
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