There are six main reasons for teeth grinding (Bruxism):

(1)Nervousness, mental anxiety, depression, anger and other psychological factors;

(2)Gastrointestinal diseases, endocrine disorders can also cause teeth grinding;

(3)Fatigue, in fine workers, such as athletes, watchmaker, etc.;

(4)The insufficiency microelement is easy to suffer from this disease within the body;

(5)Long-term habit of teeth grinding;

(6)The work pressure high, the body is tired, the long-term life rule leading to this kind of disease;

Besides the above several kind of people, the disposition introversion, the mood excited,the people who often bites a thing also prone to teeth grinding.

Common cause of children:

(1)Intestinal parasites, especially intestinal parasite diseases in children Being more happening;

(2)Gastrointestinal tract disease , mouth disease;

(3)Feed little child food no easy to digest just before sleep , may stimulate cerebrum’s corresponding location , arousing by nerve to chew muscle continuing contracting like this after the baby goes to bed;

(4)The nervous system disease, Psychomotor Epilepsy,hysteria,etc.;

(5)Little child spirit factors such as in the daytime be excited , be overtired or unease;

(6)Lack of vitamins, with vitamin D deficiency rickets in children, due to the body of calcium, phosphorus metabolic disorder, can cause bone demineralization,muscular soreness and vegetative nerve functional disturbance,Often appears plump, night terrors, dysphoria and Sleep bruxism;

(7)Pooly aligned teeth,masticatory muscle force is too large or use the side of the teeth to chew frequently,and occlusal relation is not fine,dysfunction of temporomandibular joint occurs,can cause teeth grinding at nigh.Moreover, the children irregular arrangement of teeth, masticatory muscles of his position are often not normal,the musculi masticatorii meets unconsciousness contraction frequently during sleep,causing teeth grinding(bruxism);

(8)In addition, children 8 – 11 years old during growing permanent teeth,Because gum itchy, easy to produce slightly teeth grinding(bruxism),this is normal.If serious needs treatment,and after this stage,usually to disappear;

(9)The influence of children’s emotion and the life.The pressure that the child studies generally now is big,Still have many child at the same time looking at alarmingly dangerous beating on the evening TV,play excessively before falling asleep,These factors may arouse a molar teeth grinding.Another,father and mother’s scolding,arouse the oppressive,and anxiety,the phenomenon also appear in night;

It will be seen from this,Grinding teeth in sleep is arouses by that kind of disease.Because long time of teeth grinding, Some child’s cerebral cortexes already have formed the solid conditioned reflex,Grind teeth in sleep is easy to form one kind of habituation.It is necessary to insist on more longtime treating , then it is possible take a turn for the better.

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