Oral Habits as a Reason of Malocclusion New

HAC-306 O.Äîëçîäìàà

Oral habits as a reason of malocclusion

In every organ and tissue in the body,nature provides a wide margin of safety to take care of demands made upon that organ or tissue well beyond that required by the physiologic function.

Provides-õàíãàõ,îëãîõ

Care-õàìãààëàõ

Demands-øààðäëàãà

Required-õýðýãëýõ øààðäàõ,ãà÷èãäàõ

Áèåèéí ýðõòýí,ýä á¿ðä ôèçèîëîãèéí ¿éë àæèëëàãààíä õýðýãëýãäýõ îëîí ýä ýðõòýíä øààðäëàãàòàé òºðºëõèéí õàìãààëàëò èõýýõýí õýðýãòýé áàéäàã

Oral habits and compulsions in which the uses of the teeth create just such a situation.

Àìíû õºíäèéí çóóëòûí áàéäàë íü ø¿äíèé áàéðëàëààñ øàëòãààëäàã

habits

occupational

nonspecific

Classification;

Occupational

Nonspecific

Habits.The habits of sucking the thumb,lip or tongue so frequently formed by young children,while rarely causing displacement of the deciduous teeth,will,if persisted in during the eruption of the permanent incisors,cause marked malocclusion.

Çóðøèë:áàãà íàñíû õ¿¿õä¿¿ä ýðõèé õóðóó,óðóóë,õýëýý îëîí äàõèí õºõºõ çóðøèë íü õîâîð áºãººä çóóëòûí øàëòãààí áîëîõ áàéíãûí ¿¿äýí ø¿äíèé çààëõàé íàñàí òóðøèä õýâýýð ¿ëäýæ ø¿äíèé øèëæèëò ººð÷ëºãääºã áàéíà.

The upper incisors and canines are drawn torward and to one side,according as the thumb of the right or left hand has been used,while pressure from the back of the thumb upon the lower incisors causes their displacement lingually.

Áàðóóí áà ç¿¿í ãàðíû ýðõèé õóðóó çîõèöîí íýã òàë íü äýýä ¿¿äýí ø¿ä áîëîí ñî¸îã óðàãøàà ñóíãàäàã õàðèí ýðõèé õóðóóãàà äàõèí õºõºõºä õýëíèé øèëæèëò áîëäîã íü äîîä ¿¿äýí ø¿äýíä äàðàëò ºãäºã áàéíà.

The pernicious habit of biting the lower lip or pressing the occlusal edges of the upper incisors against its outer surface.

The upper lip becomes short and contracted the gums highly colored and the lower lip becomes larger than normal.

Lip BitingUpper incisors are push forward, lower teeth are pushed back and spread slightly.

Tongue BitingUpper front teeth are pushed forward often, though not as much as in the previous case. Lower front teeth may be depressed, leaving an open bite.

Mouth BreathingNasal obstruction as by adenoids and tonsils cause protrusion of the upper front teeth and a narrow jaw.

OTHER MALOCCLUSION

Centric occlusion: The jaws are closed in a position that produces maximal stable contact between the occluding surfaces of the maxillary

symptoms

Abnormal

Malpositioned

Treatment

Treatment

MAXILLARY EXTRA-ORAL TRACTION CLASS ELASTICS EXTRACTIONS-DIFFERENTIAL ANCHORAGE FUNCTIONAL APPLIANCES SURGICAL ORTHODONTICS

FUNCTIONAL APPLIANCES

BIONATOR(ANDREASON APPLIANCE/ACTIVATOR)

VIEW FROM TOP FRONTAL

PROTRACTION FACE MASKSKELETAL AND DENTAL

ELASTICS

SURGICAL ORTHODONTICS

Thank you for attention

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