Tsarin hakori na karnuka

 A al'ada, duk karnuka suna da ƙwanƙwasa 42, amma wasu nau'o'in da ke da guntu guntu, abin da ake kira brachycephals, na iya samun rashin hakora (oligodontia). Har ila yau, akwai irin wannan lahani kamar ƙara yawan hakora (polydontia). Ana amfani da ƙirar haruffa don yin rikodin tsarin haƙori na karnuka.

• Incisors (Incisivi) - I
• Canin - P
• Premolyar (Premolars) - P
• Molars (Molares) - M

A cikin tsari da aka tsara, tsarin hakori na karnuka yayi kama da haka: babba muƙamuƙi 2M 4P 1C 3I 3I 1C 4P 2M – 20 hakora ƙananan muƙamuƙi 3M 4P 1C 3I 3I 1C 4P 3M – 22 hakori haƙori, kuma harafin yana nuna nau'in hakori. : babba muƙamuƙi M2, M1, P4, P3, P2, P1, I3, I2 I1, I1 I2 I3, C, P1, P2, P3, P4, M1, M2 ƙananan muƙamuƙi M3, M2, M1 , P4, P3, P2 , P1, I3, I2, I1, I1, I2, I3, C, P1, P2, P3, P4, M1, M2, M3

Idan ka kwatanta shi a cikin sauƙi, to, a cikin muƙamuƙin babba na kare akwai 6 incisors, 2 canines, 8 premolars, 4 molars, a cikin ƙananan muƙamuƙi - 6 incisors, 2 canines, 8 premolars, 6 molars.

 Duk da haka, tsarin hakori na hakoran madara na karnuka ya bambanta, saboda. P1 premolar ɗan asalin ƙasar ne kuma ba shi da wani abin da ya wuce. Hakanan, M molars ba su da abubuwan da suka gabata na madara. Don haka, idan ka rubuta tsarin haƙoran haƙoran haƙoran haƙora, kamar haka: Tsarin haƙoran karnuka kafin canjin haƙora shine kamar haka: muƙamuƙi na sama: 3P 1C 3I 3I 1C 3P – 14 hakora ƙananan muƙamuƙi: 3P 1C 3I 3I 1C 3P - 14 hakora ko babba muƙamuƙi: P4, P3, P2, C, I3, I2, I1 I1, I2, I3, C, P2, P3, P4 ƙananan muƙamuƙi: P4, P3, P2, I3, I2, I1 I1 , I2, I3, C, P2, P3, P4  

Canjin hakora a cikin karnuka

Canjin hakora a cikin karnuka yana faruwa a matsakaici a lokacin watanni 4. Kuma yana faruwa a cikin tsari kamar haka: 

 Lura: Premolars da molars ba tare da ɓata lokaci ba suna girma kuma su kasance har abada. Yana da kyau a lura cewa wasu nau'ikan karnuka suna da fasali. Misali, premolar baya girma. Ko ƙwanƙwasa suna girma lokacin da suke canza haƙora, amma madarar ba ta faɗuwa. A wannan yanayin, yana da daraja tuntuɓar likitan hakora da yin amfani da cirewar haƙoran madara. Polydontia da oligodontia na iya nuna rashin daidaituwa na kwayoyin halitta, rashin abinci mara kyau ko cututtuka na baya (rickets, rashin calcium), saboda kusan dukkanin karnuka suna da 6 * 6 incisor dabara a matakin kwayoyin. Hakanan cizo yana da mahimmanci. Yawancin nau'o'in ya kamata su sami cizon almakashi, amma akwai nau'o'in da cizon cizon ya zama al'ada (brachycephalic).

Dental dabara na karnuka: manufar kowane irin hakora

Yanzu bari muyi magana game da manufar kowane nau'in hakora. masu saro – An ƙera shi don cizon ƙananan nama. Fangs - an tsara su don yaga manyan nama, kuma muhimmin aikin su shine kariya. Molars da premolars - tsara don murkushe da niƙa zaruruwan abinci. Yana da kyau a lura cewa hakora masu lafiya ya kamata su zama fari ba tare da plaque da duhu ba. Yayin da karnuka ke tsufa, ciwon hakori yana da karɓa. Ana iya amfani da shi har ma don sanin kimanin shekarun kare.