Yawancin kuliyoyi da karnukan abokai ba su girma tun suna ƙanana, don haka suna son sanin shekarun su nawa?Shin yana cin abinci ga kyanwa da kwikwiyo?Ko ku ci abincin manya da karnuka?Ko da ka sayi dabba tun yana ƙarami, har yanzu kana mamakin shekarun dabbar, shin watanni 2 ne ko wata 3?A asibitoci, yawanci muna amfani da hakora don tantance shekarun dabbobi.

Hakora suna da bambance-bambance masu mahimmanci dangane da abincin da suke ci da kuma yadda suke ciyarwa, da kuma adadin hakora na niƙa kayan wasa da kayan ciye-ciye da ake amfani da su.Sabili da haka, gabaɗaya magana, suna da ingantacciyar daidai ga kwikwiyo da kyanwa, yayin da karnuka manya, karkacewar na iya zama mahimmanci.Tabbas abin da ake kira karkacewa shima matsakaici ne.Ya zama ruwan dare kare mai shekaru 5 ya ci kashi da hakora masu sanye da yayyaga irin na kare mai shekaru 10, amma ba za ka iya haduwa da kare mai shekaru 10 da hakora masu kama da haka ba. kare mai shekaru 5.Na taba ci karo da wani mai dabbobi wanda ya kawo wani dabba mai gashin zinare da ya yi ikirarin cewa shekarunsa 17 ne.Wannan abu ne mai girma, kuma ya zama dole a ƙayyade shekarunsa da yanayin jiki don magani.Bude bakinsa yaga hakora, an kiyasta shekarunsa 7 ne kacal.Shin na tuna shekarun kakanni ba daidai ba?

Tabbas, lura da hakora a lokacin ƙuruciya kuma na iya bayyana cututtuka da yawa na dabbobi, kamar ƙarancin calcium da haƙoran jere biyu.Don haka yana da mahimmanci a koyi yadda za a lura da ci gaban hakora, ƙayyade shekarun su da lafiyar su.

Karnuka suna fara haɓaka haƙoran haƙora daga kwanaki 19 zuwa 20 bayan haihuwa;A cikin makonni 4-5 da haihuwa, na farko da na biyu nono incisors suna da tsayi daidai (incisors);A cikin makonni 5-6 na haihuwa, na uku yankan hakori yana da tsayi daidai;Ga ƴan ƴaƴan ƴan makonni 8, duk ɓangarorin nono sun girma sosai, kuma haƙoran nono fari ne da sirara da kaifi;

A cikin watanni 2-4 bayan haifuwa, karnuka a hankali suna maye gurbin haƙoran haƙora, zubar da haɓaka sabbin incisors daga farkon incisor;Fara daga shekarun watanni 5-6, maye gurbin na biyu da na uku incisors da canines;A cikin shekaru 8-12 watanni, duk molars an maye gurbinsu da m hakora (diredened hakora).Hakora na dindindin fari ne kuma masu sheki, kuma incisors suna da nunin fitowa.Idan rawaya ya bayyana, yana nuna tartar;

Lokacin da kare ya kai shekaru 1.5 zuwa 2, babban kololuwar farkon mandibular incisor (haƙori na gaba) ya ƙare kuma yana jujjuya shi da ƙaramin kololuwa, wanda ake kira peak wear out;A cikin shekaru 2.5, kololuwar incisor na biyu na mandibular (hakorin tsakiya) ya ƙare;A cikin shekaru 3.5, kololuwar maxillary incisors ya ƙare;A cikin shekaru 4.5, kololuwar haƙoran maxillary na tsakiya ya ƙare;Shekaru matasa na karnuka sun zo ƙarshe, kuma canje-canjen hakora a cikin wannan lokacin ba su da tasiri ga abubuwan shekaru kamar abincin da suke ci, don haka sannu a hankali suna zama mara kyau.

An fara daga shekaru 5, na uku incisor da canine tip a kan ƙananan goshin suna ɗan sawa kaɗan (ba a kwance ba), kuma incisors na farko da na biyu suna da siffar rectangular;A cikin shekaru 6, kololuwar maxillary incisor na uku yana ɗan sawa kaɗan, kuma haƙoran canine ba su da ƙarfi da zagaye;A cikin shekaru 7, mandibular incisors na manyan karnuka suna sawa zuwa tushen, tare da shimfidar elliptical a tsaye;Lokacin da yake da shekaru 8, manyan mandibular incisors na kare suna sawa kuma suna karkatar da su gaba;Lokacin da yake da shekaru 10, yanayin lalacewa na mandibular incisor na biyu da maxillary incisor yana da tsayi mai tsayi;Manya-manyan karnuka gabaɗaya suna rayuwa tsawon shekaru 10-12 kuma da wuya su sami asarar hakori, yawanci saboda tsananin lalacewa da tsagewa;

Lokacin da yake da shekaru 16, ƙaramin kare yana da tsawon rai, ko kuma madaidaicin karen tsofaffi tare da bacewar incisors, hakora na canine da ba su cika ba, da hakora masu launin rawaya da suka fi dacewa;Lokacin da yake da shekaru 20, hakoran canine sun fadi kuma kusan babu hakora a cikin rami na baki.Cin abinci na ruwa ne.

Idan aka kwatanta da karnuka sau da yawa suna niƙa haƙoransu akan abubuwa masu wuya, wanda ke sa yana da wahala a iya tantance shekaru saboda lalacewar haƙori, haƙoran kuraye suna girma akai-akai kuma kusan ana iya amfani da su azaman mafi kyawun ma'auni don yanke hukunci.

Haƙoran kare na kuliyoyi suna da tsayi, ƙarfi da kaifi, tare da tushe da tip.Lokacin da aka rufe rami na baka, hakoran canine na sama suna samuwa a gefen baya na ƙananan hakora na canine.Akwai tazara a bayan haƙoran canine, wanda shine molar gaba.Na farko premolar yana da ɗan ƙarami, na biyu premolar ya fi girma, kuma na uku premolar shine mafi girma.Dukansu na sama da na ƙasa suna da tukwici huɗu na haƙori, tare da haƙoran haƙora ya fi girma da kaifi, wanda zai iya tsage nama.Saboda haka, ana kuma kiransa tsagewar hakori.