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Bruxism in Children Pedo

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Bruxism

Bruxism in
in children
children
Historical background:

• The word bruxism is taken from the


greek word-Brychein: gnashing of
teeth
• Definition:
-- Bruxism is the habitual grinding of teeth
when the individual is not chewing or swallowing
(Ramfjord 1966)

-- Bruxism is the term used to indicate non-


functional contact of teeth which may include
clenching, gnashing, grinding & tapping of teeth
(Rubina 1986)

-- Non functional movement of mandible with or


without an audible sound occuring during day &
night (Vanderas 1995)
Types:
• Day time bruxism/ diurnal bruxism
• Night time bruxism / nocturnal
bruxism

Incidence:
Bruxism in children --- 7% to 88%
Etiology
1) Local:

-- mild occlusal disturbances


-- high restoration
-- any irritating dental condition

2) Systemic:

-- gastrointestinal disturbances
-- subclinical nutritional deficiency
-- allergic condition
-- endocrine disturbances
3) Psychological:
-- any personality disorders
-- increased stress

4) Occupational :
-- over enthusiastic student or
compulsive overachievers
-- children chewing –gums, or
objects such as tooth picks or
pencils

5) Musculosketal disorders

6) Mentally retarded children

7) Genetic
Signs & symptoms of
bruxism depends on:

• Frequency of bruxing

• Intensity with which pt is bruxing

• Age of pt which may be associated with the


duration of the habit
Clinical features:
1) Teeth:

-- tooth mobility
-- non functional pattern of occlusal wear
-- increased sensitivity
-- atypical facets
-- dull percussion sounds
-- fracture of crown/ restorations
-- more prone to caries
-- sharp edges irritate to lips, cheek & tongue
2) Facial muscles:
-- muscular facial pain
-- muscle tiredness or tightness & fatigue on rising in morning
-- tenderness of jaw muscles to palpation
-- compensatory hypertrophy of muscles
-- muscular incoordination
-- locking of jaws
-- difficulty in opening mouth for long time

3) TMJ:
-- pain
-- osteoarthritis
-- crepitus/clicking
-- restricted jaw movements
-- jaw deviations

4) Malocclusion can occur

5) Headache – pain in muscle is the underlying cause


Diagnosis

• Most direct method of examination is


Provocation test
Management
• Eliminating the underlying cause

• Psychotherapy includes –
- counselling
- hypnosis
- relaxation exercises

• Drugs – vapocoolants(ethyl chloride), LA


injections, tranquilizers &
sedatives & muscle relaxants

• restoration of lost vertical dimensions by cast crowns &


stainless steel crowns
• Occlusal adjustments: by using bite planes/occlusal splints /bite guards

• Pre – orthodontic trainer

• Shore plates & anterior bite plate

• Electro galvanism stimulation for muscle relaxation

• ultrasound- provides analgesic effect

• TENS –transcutaneous electrical nerve stimulation

• Acupressure – for relaxation

• Other methods- oral exercises


- desensitizing agents
- counselling on nutrition
- supplement deficiences
- hot packs /massage
Pre- orthodontic trainers
Occlusal splints
References:
• Management of temperomandibular disorders- by
Gunnar E. carlsson

• Burket- Textbook of oral medicine

• Gurkreet singh- Textbook of orthodontics

• Shobha Tandon – textbook of pedodontics

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