01

Injangwe n'imbwa nyinshi ntabwo bivanywe kuva mu bwana, ku buryo nshaka kumenya imyaka ingahe? Ese kurya ibiryo byo kubura injangwe nibibwana? Cyangwa kurya imbwa ikuze nibiryo by'injangwe? Nubwo wagura itungo kuva mu bwana, uzashaka kumenya imyaka ayo matungo ari afite imyaka. Ni amezi 2 cyangwa amezi 3? Mu bitaro, mubisanzwe tugena imyaka yinyamanswa binyuze mumenyo.

Hariho itandukaniro rikomeye hagati yinyobwa kubera ibiryo bitandukanye no kugaburira, gukoresha amenyo atontoma no gusya, muri rusange, amenyo azaba ari manini yimbwa zabakuze. Birumvikana ko ibyo bita gutandukana nabyo biragereranijwe. Imbwa yimyaka 5 burigihe irya amagufwa, kandi kwambara amenyo ni kimwe nimbwa yimyaka 10. Ariko ntushobora guhura n'imbwa yimyaka 10 hamwe na amenyo nkayo ​​nkimbwa yimyaka 5. Mbere, nahuye na nyir'inyamanswa wazanye umusatsi wa zahabu witwa 17. Icyo ni ikintu gikomeye. Ikeneye kumenya imyaka n'imiterere mbere yuko ifatwa. Bigereranijwe kuba ufite imyaka 7 mugihe ufunguye umunwa kugirango urebe amenyo. Ntabwo ari bibi kwibuka imyaka ya sogokuru?

Birumvikana ko iyo ukiri muto, urashobora kandi kumenya indwara nyinshi z'amatungo ureba amenyo, nkababuze calcium kandi bafite imirongo ibiri y'amenyo. Ni ngombwa rero kwiga uburyo bwo kureba iterambere ry'amenyo kandi ducire imyaka yabo n'ubuzima.

02

Imbwa itangira gukura amenyo atagaragara iminsi 19-20 nyuma yo kuvuka; Mu byumweru 4-5, amabere ya mbere na kabiri nuburebure (incisors); Iyo ibyumweru 5-6 bishaje, Inkokor ya gatatu ni ndetse; Kubibwana by'ibibwana by'ibyumweru 8, ibibatabyinjiriweho birakuze, kandi amenyo yavuzwe afite umweru kandi ananutse kandi atyaye;

Mu gihe cy'amezi 2-4 y'amavuko, ibibwana byatangiye gusimbuza buhoro buhoro amenyo atoroshye, kandi Incino ya mbere yatangiye kugwa no guhinga ibihangange bishya; Abanyeshuri ba kabiri na gatatu ba Incale na Kayine basimbuwe afite imyaka 5-6; Ku myaka 8 kugeza ku mezi 12, Molars zose zisimbuzwa amenyo ahoraho (amenyo ahoraho). Amenyo ahoraho yera kandi arumuri, kandi incitisors ifite isura ityaye. Niba hari umuhondo, bivuze ko hari tartar;

Iyo imbwa ifite imyaka 1.5-2, impinga nini ya Mandibular (Inciso) irashaje, kandi ikongerera impinga ntoya, yitwa impinga; Ku myaka 2.5, cusp of Mandibular Incisor (imenyo yo hagati) yarashaje; Mfite imyaka 3.5, impinga ya incillary incillary yarashaje; Ku myaka 4.5, cusp of Amenyo yo hagati yashaje; Iyi niyo irangira ryurubyiruko rwimbwa. Impinduka zomenyo muri iki gihe ntizigira ingaruka kumyaka irenze ikintu cyibiribwa, buhoro buhoro bahinduka nabi.

Kubera ko imbwa yari ifite imyaka 5, inciso ya gatatu yo mu ruhanga rwo hasi na Canine Cusso yambarwa gato (ntabwo yahinduwe), kandi abashinzwe mbere na kabiri bari urukiramende; Ku myaka 6, cusp of the incisor ya gatatu maxillar yambarwa gato, kandi amenyo ya canine yarahiye kandi azengurutse; Ku myaka 7, abashinzwe imbwa nini bambaraga umuzi, kandi ubuso bwo gusya bwari oval; Mfite imyaka 8, abashoferi b'imbwa nini barambara kandi bagatera imbere; Ku myaka 10, kwambara hejuru ya inciso ya kabiri ya mandibular na maxillary incitudinal ellikenal ellipse; Imbwa nini muri rusange zibaho imyaka 10-12, kandi gake zifite amenyo yo kugwa, mubisanzwe ni kwambara bikomeye;

Iyo imbwa nto ifite imyaka 16, ifite igihe kirekire, cyangwa nimbwa isanzwe. Inkoni ziragwa, amenyo ya Canine ntiyuzuye, kandi ibintu bisanzwe ni amenyo yumuhondo; Afite imyaka 20, amenyo ya Canine yaraguye, kandi nta menyo yari mu kanwa.

03

Ugereranije n'imbwa akenshi zihekenya ibintu bikomeye byo gusya amenyo, bigora imanza imyaka kubera amenyo. Amenyo y'injangwe akura buri gihe kandi arashobora gukoreshwa nk'ibipimo byiza byo gucira igihe.

Amenyo ya kantine yinjangwe ni ndende, ikomeye kandi ityaye. Amenyo ya canine afite umuzi winyo ninsanganyamatsiko. Iyo umwobo wo mu kanwa ufunzwe, amenyo yo hejuru ya canine iherereye kuruhande rwibitabo byo hepfo ya canine. Hano hari icyuho inyuma ya canine. Premolar yambere ni ntoya, premolare ya kabiri ni nini, kandi premolar ya gatatu niyo nini. Imyitozo yo hejuru no hepfo yose igizwe ninama enye. Impanuro yo hagati ni nini, ityaye, kandi ifite ingaruka zo gutanyagura inyama, niko yitwa iryinyo.

Injangwe ikura amabere ya mbere ya mbere incisoon ibyumweru 2-3 nyuma yo kuvuka; Abasirikare ba kabiri na gatatu na gatatu bashizweho hafi 3-4;

Injangwe zikura incise za mbere na kabiri kugirango zisimbuze amabere ahinnye agera ku 3.5-4; Ku myaka 4-4.5, Inkoko ya gatatu ikura kugirango isimbure amabere; Ash'amenyo yino akura mumezi agera kuri 5 kugirango asimbure amenyo ya Canine;

Injangwe ikura amenyo ya premolard amezi 2; Ibikorwa bya kabiri n'icya gatatu byafashwe mu mezi 4-6, kandi bigasimbuza buhoro buhoro premolars ihoraho; Inyuma ya mbere yinyuma ikura mumezi 4-5. Imyaka nyamukuru yo gusimbuza injangwe ni amezi 4-6. Muri kiriya gihe, barashobora gutakaza ubushake bwo kubabara amenyo.

Nyuma yinjangwe ni umwaka 1, ibigeragezo byo hasi bitangira kwambara; Nyuma yimyaka 7, amenyo ya Canine yatangiye gusaza buhoro buhoro, kandi abashongo ba Mamibula barazengurutse; Nyuma yimyaka 10, amenyo yimbere yurwasaya rwo hejuru yinjangwe arashobora kugwa, kugirango ubashe guhindura indyo yawe ukurikije impinduka za te