Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Anodontia shi ne cikakken rashin ci gaban hakori, kuma hypodontia shi ne rashin wasu ci gaban hakori. Anodontia yana da wuya, sau da yawa yakan faru a cikin yanayin da ake kira hypohydrotic ectodermal dysplasia, yayin da hypodontia yana daya daga cikin abubuwan da suka fi dacewa da ci gaban ci gaba, wanda ya shafi 3.5-8.0% na yawan jama'a (ba tare da ƙuƙwalwa na uku ba). Rashin kashi na uku yana da yawa, yana faruwa a cikin 20 <unk> 23% na yawan jama'a, wanda ya biyo baya a cikin yaduwar na biyu da na biyu. Hypodontia sau da yawa yana da alaƙa da rashin lamina na hakori, wanda ke da saukin kamuwa da yanayin muhalli, kamar kamuwa da cuta da magungunan kemotherapy, kuma yana da alaƙa da cututtukan da yawa, kamar Down syndrome da Crouzon syndrome. Hyperdontia shine ci gaban hakora na waje. Yana faruwa ne a cikin 1<unk>3% na Caucasians kuma ya fi yawa a cikin Asians. Kimanin kashi 86% na waɗannan maganganu sun haɗa da ƙarin haƙori guda ɗaya a cikin baki, wanda aka fi samu a cikin maxilla, inda aka samo incisors. Hyperdontia an yi imanin cewa yana da alaƙa da wuce haddi na lamina na hakori.  Tambaya: Mene ne Rashin Dantsuwa?
rashin lamina na hakori