malocclusion and prevention of malocclusion · tooth impaction tmj dysfunction syndrome...
TRANSCRIPT
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Malocclusion and Prevention of
Malocclusion
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What is Malocclusion??
• Improper positioning of teeth and jaw (person’s teeth are out of alignment, or crowded: bad bite
• Can affect the bite, the ability to clean teeth efficiently
• Affect on gum tissue health, jaw growth, appearance and speech
• Starts to appear between the ages of six and twelve: when permanent teeth are erupting
• Left untreated: affect person’s appearance and can also lead to Temporomandibular (TMJ) joint problems, and increased risk of decay, and gum diseases
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Malocclusion
• Not a disease
• Simply a variation in the normal position of
teeth
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Types of Malocclusion
• Dental Malocclusion:
teeth are not lined up
properly : e. g : tooth
crowding: even the
jaw may e aligned
• Skeletal Malocclusion:
upper and lower jaws
do not line up
correctly
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Malaligned Teeth
• The most common malaligenment problems are:
Crowding
Overjet
Overbite
Openbite
Crossbite
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Crowding Teeth
• The most common contributor to maloclusion
• One or many teeth can be involved in
misplacement
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Overjet• Excessive protrusion of the maxillary
incisor
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Overbite
• An increased in the vertical overlap of the
maxillary incisors
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Openbite
• A lake of verical overlap of the maxillary
incisors: creating an opening of the
anterior teeth when the posterior teeth are
closed.
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Crossbite
• Indicates that a tooth is not properly
aligned with its opposing tooth in which the
lower jaw is protruded causes the upper
front or back teeth to bite inside the lower
teeth
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Causes of Orthodontic Problems:
1. Genetic
2. Developmental
3. Environmental
4. Functional
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Need for Treatment of Malocclusion
Dental Health
Psychosocial well - being
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Dental Health
Caries
Periodontal diseases
Trauma to the anterior teeth
Masticatory function
Speech
Tooth impaction
TMJ dysfunction syndrome
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Psychosocial well – being:
Malocclusion may have a negative effects
on self - esteem of individual
Facial appearance background have more
impact than dental appearance
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Reasons for Carrying out Orthodontic Treatment:
To improve dento facial appearance
(aesthetics)
To correct the occlusal function of teeth
To eliminate occlusion that could damage
the long term health of the teeth and
periodontium
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Bad Oral Habits and Malocclusion
• Thump sucking
• Tongue thrusting : pushing your tongue against your teeth
• Fingernail biting
• Mouth breathing: breathing primarily through mouth instead of nose
• Grinding teeth and clenching teeth
• Chewing hard substances
• Chewing pens and pencils
• Cheek and/or lip biting
• Holding objects with the teeth: keys, glasses, and toot picks
• Smoking (cigarettes, pipes, cigars, and chewing tobacco)
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Thumb Sucking and Tongue Thrusting
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Bad Oral Habits: Thumb sucking
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Thumb sucking (deterrent appliance)
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Prevention of Malocclusion
• Control of oral bad habits
• Early detection and treatment will help in
optimizing both method and time of treatment
needed
• Giving appliances by a dentist for restricting of
bad oral habits
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• Prevention of tooth loss that can lead to
malocclusion:
1. Using a mouth guard when playing sport
2. Practicing good oral hygiene for preventing tooth
decay
3. Avoid putting a baby to bed with bottle
4. Regular dental visit
Prevention of Malocclusion
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Types of Appliances Used to Correct Malocclusion
• Removable
Appliances: made of
wires and plastic and
can be removed from
the mouth by the
patient
• Fixed Appliances:
(Braces): attached
directly to the teeth
(better control of tooth
movement)
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Removable Orthodontic Appliance
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Examples of Orthodontics Appliances
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