nezilwane zethu, ngokuyinhloko izilwane. Anatomy futhi izitho zomzimba umzimba incike zinhlobo zezilwane. Ngakho, inja libhekwa njengoba ezincelisayo. Kuyinto nomzingeli, futhi kusho ukuthi amazinyo inja zidizayinelwe yokuphila okuhambisanayo. Basuke ingashintshwa ukuze ubambe, bamba, ukubulala isisulu, aphule inyama zibe yizicucu. Mayelana inombolo enkulu kangaka imisebenzi basuke umahluko phakathi izinhlobo ezahlukene: amazinyo, canines, premolars futhi molars. Bangaki kwamazinyo inja? It incike yobudala besikhumba saleso silwane. Thanda abantu abanayo nezilwane ezincane ziqhuma okokuqala, okubizwa ngokuthi ubisi, namazinyo. Ngemva basuke indawo njalo. namazinyo ezibunayo pup izingcezu 28, obulinganayo nemihlathi yasenhla nemithombo yasenzansi. Kukhona zonke izinhlobo amazinyo ngaphandle premolar lokuqala namazinyo izinyo lomhlathi of bonke. Kuyaphawuleka ukuthi sesibalo samazinyo eyinhloko ayiphelele futhi lokho akusho abonisa ukuthi iqoqo constants futhi akuphelele. Nokho, ukuthengwa umdlwane, uma inja kuhlelelwe embukisweni kanye zizalela umsebenzi, udinga ukushintsha kubo ngemva.
abanikazi abaningi ongenalwazi kakhulu ucelwa bangaki namazinyo inja ewusana olusanda kuzalwa? Lutho neze. Abangane bethu ubuka bazalwa tailed nezisini ngokuphelele. Ngoba zidla ubisi ke ngokuvamile, namazinyo akudingeki kubo, kabasi cishe amasonto amabili. Ubisi lokuqala, ngasendleleni, kungcono canines ziqhuma abaneminyaka ephakathi kwezinsuku 12-16 of. Ngemva kwabo kufike premolars kanye amazinyo. Njengoba sekuphawuliwe kakade, premolars lokuqala akuyona umdlwane. Ukube - lokhu kuthathwa njengesibikezelo esiyiso malformation. Iqiniso lokuthi amazinyo unomphela kule ndawo kuyobe kungasekho.
Bangaki kwamazinyo inja omdala? A isethi ephelele amazinyo 42, 20 zazo kuyakuba phezu ongenhla futhi 22 - ezansi. Ukuze nomdlwana izinhlobo etholakalayo ungeze isethi ephelele 4 molars futhi premolars. Guqula amazinyo oyinhloko izingane iqala 3-4 izinyanga luphele izinyanga eziyisithupha ubudala. Ngaphansi yobisi, e imithombo zitholakala ekuqaleni unomphela, eqala ukukhula ngokulinganisa ne resorption impande ezinyweni yesikhashana. isikhundla sakhe ezinsinini iba ezitatazelayo uwe. izinyo unomphela ikhula endaweni yayo. Bangaki kwamazinyo inja emva kweminyaka 10? Ngalesi ubudala, basuke kusulwe izingcezu. Nge cishe 8-9 ubudala, baqala liwe, izinyo-iqoqo isilwane walonyaka khona kuyobe akuphelele. Okuningi kuxhomeke izinga ukudla, okuyinto sidla leso silwane, futhi emlonyeni temlomo ukunakekelwa inja.
Abanye abavumelani ukuthi kubalulekile ukuba afeze yokuhlanza kwamazinyo lesilwane sakho sasekhaya. Mhlawumbe abangaze bangaqaphela ukuthi ezimweni yesimanje inja angeke ukuhlafuna ku nje ezidingekile yokuhlanza ezanele. Futhi ukudla odla lesi silwane akusho ngaso sonke isikhathi aqukethe isamba elanele namaminerali. Yingakho kudingeka wazi indlela ukuxubha amazinyo akho inja, futhi bafeze lo inqubo njalo, isikhathi esingu-1 ngesonto. Ukuze wenze lokhu, sebenzisa ibhulashi izingane evamile sika nge izidindi zibe nengxenye-agundwe kanye wokuxubha ekhethekile. Lesi sakamuva angathengwa isitolo isilwane. Ukuxubha amazinyo ngale ndlela kususa qwembe yellow, kodwa umbala ogqamile brown imali - rock - kungaba kususwe kuphela ngaphansi izinzwa e nomtholampilo wezilwane. A nqubo elula kakhulu ekunakekelweni ngomlomo ukugcina isilwane sakho amazinyo futhi kuvimbele okuvela kuyo iphunga elibi emlonyeni wayo.