Below is a summary of the main risk for dental trauma injuries as per a review by Ulf Glendor.
Oral predisposing factors
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Patients with an overjet of over 5mm
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Lip incompetance
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Protrusive nature of incisor position

Unintentional traumatic dental injuries
Unsurprisingly this formulates a large cohort of dental injuries. Patients prone to falling over (intoxicated or not) those who walk into inanimate objects or those that are in the way of a flying object are more likely to suffer with injuries.
Environmental Determinants-Material deprivation
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Some studies show that the more deprived the area the higher the prevalence of dental trauma.
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Overcrowded areas also have shown a higher risk of dental trauma.
Human behaviour
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Children exhibiting risk taking tendencies are more likely to suffer with dental trauma
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Children who are bullied also have a higher risk
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Those children with showing favourable social behaviour had a decreased risk
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Children who were hyperactive have a higher risk
Emotionally stressful states
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Adolescents who experience unfavourable psychosocial environments had a higher risk
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ADHD adolescents also showed higher risk
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Obese children exhibited a higher risk

Presence of illness, learning difficulties or physical limitations
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Epilepsy
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Cerebral palsy
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Learning difficulties
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Hearing or visual impairment
Inappropriate use of teeth
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Utilising front teeth as ‘tools’ such as to open bottles of beverages
Oral piercing
Patients with oral piercings are more likely to chip/fracture their front teeth
Iatrogenic injuries
One type of iatrogenic injury can be caused by intubation and is one of the commonest complications of general anaesthesia
Traffic accidents

Sports injuries
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