Nzvimbo dzakaoma dzakaoma mazino evanhu
Inoratidzwa semoriri kana mazino emhara, aya ndiwo mazino akadzikama ari kumashure komuromo. Inogona kusiyana nekukura uye maitiro asi ndiyo mazino makuru mumuromo. Nharaunda dzakapoteredzwa uye dzinoshandiswa pakukuya zvokudya muzvidi nyore nyore. Mazino maduku uye akaoma ari mberi anoshandiswa pakuruma uye kuparadza zvokudya. Nharaunda dzakagadzirirwa kuchengetedza simba rakawandisa rekucheka, kugaya nekuvhara, uye molar imwe neimwe yakasungirirwa kumusere wejaya uye maviri kusvika mana midzi.
Ivhareji yevanhu vakuru ine gumi nembiri, uye ine matanhatu mumutsara wepamusoro (inozivikanwa newachiremba wemazino se "maxillary" nokuda kwekugara kwadzo mumutsara wepamusoro) uye nhanhatu mujaya riri pasi (rinoratidzika se "mandibular" nedzino remazino nokuda kwenzvimbo yavo tsvina yakadzika). Nhengo imwe neimwe yepamusoro nechezasi yakasara ine mitambo mitatu.
Types of Molars
Kune mhando mitatu yemitemo. Izvi zvinouya mushure mekunge mwana apera mazino avana vavo:
- Kutanga kwekutanga, kunonziwo makore matanhatu emitambo nokuti ndiyo yekutanga yevatatu kuti vashandise makore makumi matanhatu.
- Misoro yeChipiri, iyo inonziwo yegumi nemaviri emitambo nokuti inodzungaira makore makumi maviri nemaviri.
- Nzira dzechitatu, kana mazino ekuchenjera, anoonekwa pakati pemakore 17 ne25.
Anatomically, molars yakagadzirirwa kuchengetedza huwandu hwemasimba kubva kucheka, kugaya uye kuvhara, nokuve nekorona huru uye miviri kana mana midzi yakaiswa mujaya.
Sei Tine Uchenjeri?
Nzira yechitatu, kana mano ekuchenjera , zvipfeko kubva pakushanduka kwatakaita kare apo muromo wemunhu waiva mukuru uye kuwedzera kune mamwe mazino.
Aya mazino akawedzerwa aiva anobatsira pakutsvaga zvokudya zvakadai semidziyo, zvakadai semidzi, marimu, mashizha uye nyama dzine simba. Mhando iyi yezvokudya yakanga yakaoma pameno-kunyanya pasina zvigadziro zvekuchengetedza zvatinoshandisa mazuva ano semabhuruku emazino, mazai, uye floss-saka mazino emadzitateguru edu ainge akazviisa pasi nekushanda nekurasikirwa kukuru nekuda kwekuora mazino .
Kunyange nezvinozivikanwa zve "Paleo kudya," vanhu vemazuva ano havadyi zvokudya zvinoda mazino aya akawedzera. Zvokudya zvedu zvinowanzova zvakanyanyisa, uye nekubika uye midziyo, zuva rehuchenjeri huno hunobatsira. Dzidziso yekushanduka-shanduka, zvisinei, haina kutora nesu, uye saka isu tichiri kuwana mazino akawedzerwa achiri muhuduku hwedu.
Dambudziko reUchenjeri Izvo
Kunyange zvazvo isina kukanganisa meno edu euchenjeri asi zvakadaro, kushanduka kwakave, nenzira yakaipa, yakaita zvimwe zvigadziriswa kuhukuru hwejaya dzedu dzese muhupenyu hwedu. Masaya evanhu vemazuva ano maduku kudarika madzitateguru edu. Izvi zvinoratidza huwandu hwezvinetso apo iyo maitiro euchenjeri ekuchenjera anoedza kupinza mukati.
Apo huchenjeri hunoita meno, hunogona kudzivirirwa nemamwe mazino edu, uye inonzi " inopindirwa ." Kana mazino euchenjeri akangoerekana aputika, izvi zvinogona kuumba nzvimbo yakaoma-kusvika-yakareba yebhakitiriya inogona kutungamirira kune zvirwere zvakakomba zvemasamu uye zvisikwa zvakapoteredza. Uchenjeri hunoita mazino hunogonawo kubuda. Izvi zvinotakurawo matambudziko pamwe chete, kusanganisira kukura kunogona kweksts kana mishonga inogona kuita kukuvadza kukuru kumasana nemazino kana yakasara isina kugadziriswa.
Aya matambudziko ndicho chikonzero vanhu vazhinji vanoda kuve nemeno avo euchenjeri abviswa.
Zvinokurudzirwa kuti kuvhiyiwa uku kunoitwa munguva yevanhu vakuru kana chero dambudziko rikakosha uye rishoma.
Kune vamwe vanhu, vachiverenga vanenge 15 muzana yevanhu, pangave pasina kudiwa nokukurumidza kuti mazino euchenjeri abviswa nokuti anouya asina nyaya. Kunyangwe munezviitiko izvi, zvinogona kukurudzirwa kuti mazino euchenjeri abviswe kuti arege zvinetso zvinogona kukura mushure mehupenyu apo kuvhiyiwa kunowedzera mikana yezvinetso uye nguva refu yekuporesa.