Dentin - Iyini? Izinhlobo, isakhiwo, ukwakheka kanye nezici ukwelashwa

Dentin - isakhi esithile esikhethekile, onikeza izinyo umbala walo, kanye nokunikeza ukudla ukuvikelwa kwezimo zendawo ezimbi.

Uyini umnyombo

Dentin - lena ingxenye eyinhloko izinyo ukuthi has a ingxenye amaminerali, umsoco conductive kuya koqweqwe lwawo ngezinyo, kanye nokuvikela uginindela ekulimaleni mechanical namathonya onakalisayo.

Dentin ingxenye engaphakathi izinyo. isakhiwo salo nzima ngisho kuka ithambo, kodwa athambile kunamafutha koqweqwe lwawo esehlanganise it. Okuningi okuqukethwe yile ngxenye izinyo ngokwanele nokunwebeka futhi iqine, ngakho kalula umelana amathonya ahlukahlukene nasekubhujisweni.

isakhiwo

Dentin - indima yangaphakathi futhi ebaluleke kakhulu izinyo kule ngalo ingaphakathi ngomlomo eyenza umsebenzi obalulekile kakhulu nutritive futhi uyavikela. Ngaphezu kwalokho, Uhlonze lwalo incike indawo amazinyo futhi amamilimitha angu mayelana amabili kuya kwayisithupha. Abantu abaningi bacabanga ukuthi dentine - ketshezi, zaveza emhlophe. Kodwa empeleni akunjalo. Umbala le nto wehlukile kakhulu, ngakho kungase kube umthunzi ezithile umuntu ngamunye. Ngokuvamile kuba kancane aphuzi noma lemicu empunga elinamathela othini. Yingakho abantu ngamazinyo zemvelo ezimhlophe kakhulu ezingajwayelekile kakhulu. Leli akulona egunjini lokuhlolwa kwezifo.

Kumele kukhunjulwe ukuthi dentin kungase kudingeke Ukusabalala ezahlukene ezingxenyeni ezahlukene izinyo. Ngokwesibonelo, endaweni coronal kuyinto enamathela koqweqwe lwawo okulula ubuyekeze. Kodwa endaweni impande koqweqwe lwawo esikhundleni usimende. Lokhu kwaziswa singekho, eliqinile njengoba koqweqwe lwawo, kodwa futhi unalo umsebenzi zokuzivikela.

Kubalulekile wazi kanye ixhunywe koqweqwe lwawo kuze dentine. Lokhu kungenxa semfene ethize, ngokucacile eduze komunye nomunye.

isakhiwo histological ka dentin

ingxenye Kuchazwe we izinyo has a isakhiwo eziyinkimbinkimbi kakhulu. Ake sicabangele, kusukela lapho izicubu kubalulekile.

Predentin - uhlobo izicubu esigubuzele uginindela unesibopho saturation izakhi zalo. Lokhu izicubu yakhiwa abizwa ngokuthi odontoblasts. Zihlobene izinyo ukuzwela nokulawula umzimba ingxenye yabo yangaphakathi.

Intreglobulyarnaya ingxenye - igcwalisa isikhala phakathi amashubhu dentinal.

tubules Dentinal - banesibopho izinyo ukudla. Kukhula inani, isikhathi eside izinyo isebujameni enempilo. Njengoba bekhula, kanye umzimba kancane iziteshi ezifana uqale elongate inkontileka, kanjalo kwenzeka ukubola kwamazinyo.

dentin Peritubular - into ebaluleke kakhulu ukuba okusezingeni eliphezulu isakhiwo amalutshwana. Umboza le ijabulise odongeni uqobo.

Futhi, izinyo dentin yakhiwa izicubu sclerotic (ngale). It kwandisa umthamo nge okwandisa ubudala.

I chemical yokwakheka dentin

Lokhu kwaziswa sihluke kakhulu isakhiwo nezinye izakhiwo ngezinyo, njengoba amaphesenti ayisikhombisa siqukethe namaminerali ahlukahlukene. I dentine kusekelwe calcium-phosphate. Futhi, izingxenye abamelwe kukhona fluoride, i-calcium carbonates, i-sodium ne-calcium-phosphate, kanye magnesium.

Amaphesenti amabili of le nto kuze izinto bemvelo organic. Lezi zihlanganisa acid ehlukahlukene acid, polysaccharides, lipids collagen. Futhi eziyishumi asele per cent amanzi. Ngenxa yaleyo mpahla isakhiwo dentin kuyinto izicubu nokunwebeka kakhulu futhi kanzima uyakwazi withstanding kahle eliphezulu imithwalo masticatory.

izinhlobonhlobo dentin

Kukhona izinhlobonhlobo eziningana le nto, ngalinye elikwazi efeza umsebenzi wayo okhethekile. Ake sicabangele ngayinye yalezi zinkulumo.

dentin Primary kubhekwa ngowokuqala izinyo izicubu esakha kwezokunyathelisa futhi kukhona kuze kuze kube ubisi amazinyo kuqala. Lokhu izicubu uqala ukwakha ngisho ngesikhathi besakhulelwe ngesikhathi sokukhulelwa sowesifazane. Kulokhu, lo tubules ekhona izicubu unikezwa, ubanzi kakhulu, flat futhi akheke ephelele.

dentin yesibili noma ngokuzibona uqala khona kusukela kwamazinyo kuthoma ukuvela ngenhla ushingamu. Lokhu izicubu iyaqhubeka nokuba khona nokuthuthukisa kukho konke ukuphila komuntu. Kulokhu, umthombo oyinhloko indaba, ezifana dentin - uginindela. Kumele kukhunjulwe ukuthi ngeminyaka tubules zamazinyo ukushintsha isakhiwo sabo, ngakho izinyo iba ivikeleke kancane, bese iqala ziwohloke. Uyephuza le nqubo ngangokunokwenzeka, udinga ukudla, ukuxubha amazinyo abo njalo futhi uvakashele udokotela wamazinyo ngaleso sikhathi. Qaphela ukuthi isakhiwo yalezi tubules kanye uginindela ukuphepha kuncike. Than esimweni esihle abekho, ama-bacterium nzima ukusakaza.

Futhi uhlobo lokugcina dentin - ephakeme. It uyakwazi kwenzeke kuphela phakathi kwethonya okumayelana isakhiwo izinyo kanye khona ukuvuvukala izifo kwamazinyo. Ngokwesibonelo, dentin caries - isifo okuyinto elakhiwe lapho izicubu ethile izama ukuvikela emsipheni kusukela izinyo enobungozi kanye nezilwanyana ezincane eziyingozi. Lokhu Indwangu has a isakhiwo kunalokho senhlekelele, kanjalo kahle umsebenzi olwawuvikele.

Uma ungenayo ngezikhathi ezithile ukubona udokotela wamazinyo, kulindeleke ukubukeka olunye uhlobo kwezicubu ngokuthi necrotic. Ukuze efanele ukuphathwa izinyo wamazinyo kumele asuse ngokuphelele ke.

caries ka dentine

It kubhekwa ezivamile isifo kwamazinyo. Ngokuvamile isifo enjalo kubuhlungu ngempela futhi iqala abaphazamisa umuntu kusuka ngesikhathi kuqala ifike. Ubhubhisa koqweqwe lwawo futhi dentin. Lokhu zokugula livela ngale ndlela: kwagcina kumiswe izimbotshana ngokwanele ezinkulu lapho buthelela izingcezu ezincane ukudla. Zingenisa nokukhokha komnikazi kukhona inqwaba amagciwane, abhubhise isakhiwo izinyo uqobo. Isiguli iqala ubuhlungu lapho zihlatshwa izinyo ashisayo nabandayo. Uma uyeka umthelela lezi ezintweni, ubuhlungu abohle. Kodwa, sicela uqaphele ukuthi: lesi akusona isizathu hhayi ukuya amazinyo.

Imithetho ukwelapha lesi sifo

Uma ufika kudokotela nge esigabeni sokuqala lesi sifo, uphathwa esheshayo kakhulu futhi ngaphandle kobuhlungu. Uma icala kunalokho dengwane, izinzwa wendawo lingasetshenziswa.

Phakathi ukwelashwa, udokotela wamazinyo ngokuphelele ihlanze umgodi kuzo zonke ukungcola amagciwane. Lokhu kwenziwa ukuqinisekisa ukuthi isifo kungenzeki futhi. Ngemva kwalokho uyobuyisela dentin, usebenzisa yesimanje ukugcwaliswa izinto ezikhethekile.

caries Prevention

Gcina yakho amazinyo enempilo okungukuthi akunjalo nzima. Into esemqoka - ukulandela izimiso ezimbalwa ezilula njalo, niyakuba ukubukisa ukumamatheka enhle size siguge.

Nakani amaphuzu ambalwa uyoba nesandla ekulondolozeni ubuhle nempilo amazinyo akho:

- Yidla kwesokudla. Zama ukunciphisa ukusetshenziswa kwemikhiqizo enobungozi zezimboni (ikakhulukazi amaswidi).

- Cikelela Ukudla lesifanele. Yidla njalo ngesikhathi esifanayo, kanye ukuqala ukukhanya ezilula ezinempilo.

- Sebenzisa amathuluzi esikhethekile ukuba asize ekulondolozeni inhlanzeko ngomlomo.

- Vakashela udokotela wamazinyo wakho njalo.

Njengoba ubona, izimiso ezimbalwa ezilula kungaba isiqinisekiso ukumamatheka kwakho enhle. Yiba enempilo.