Pentru cei care obișnuiesc să doarmă cu gura deschisă, specialiștii englezi au vești proaste. Cercetătorii au descoperit că ”respiratul pe gură” îndepărtează efectul protectiv al salivei, care are capacitatea naturală de a omorî bacteriile.
Astfel intervine eroziunea dinților și producerea cariilor. Cercetătorii cred că această descoperire ajută stomatologii să-și explice de ce oamenii care au tendința să doarmă cu gura deschisă au o rată mai mare de producere a cariilor.
La aceste persoane cariile apar mai des în zona din spate a gurii, pentru că acea regiune se usucă mai repede decât cea din față.
Pacienții care suferă de astm sau apnee sunt cei mai expuși la dormitul cu gura deschisă. În condiții normale, nivelul PH-ului din gură – măsura acidității și alcalinității – se situează la nivelul de 7.7. Dar cei care dorm cu gura deschisă au un nivel al PH-ului in medie de 6.6, potrivit studiului Journal of Oral Rehabilitation, citat de Daily Mail. Există cazuri în care aciditatea ajunge la nivelul de 3.6, ceea ce înseamnă că atacul asupra dinților e la fel de mare ca și în cazul în care am bea un pahar cu suc acidulat chiar înainte de culcare.
Cei mai expuși sunt bărbații, întrucât studiile arată că o treime din ei obișnuiesc să doarmă cu gura deschisă. În ceea ce privește femeile, doar 5 la sută dintre ele au acest obicei.
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Alte știri
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Politic
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