The mandibular central incisor is the tooth located on the jaw, adjacent to the midline of the face. It is mesial (toward the midline of the face) from both mandibular lateral incisors. As with all incisors, its function includes shearing or cutting food during mastication, commonly known as chewing. There are no cusps on the tooth. Instead, the surface area of the tooth used in eating is called an incisal ridge or incisal edge. Though the two are similar, there are some minor differences between the deciduous (baby) mandibular central incisor and that of the permanent mandibular central incisor. The mandibular central incisors are usually the first teeth to appear in the mouth, typically around the age of 6–8 months.
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| - Spodní střední řezák (cs)
- Incisivo centrale inferiore (it)
- Mandibular central incisor (en)
- 下顎中切歯 (ja)
- Centrale snijtand (nl)
- Incisivo central inferior (pt)
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| - Spodní střední řezák je zub umístěný v čelisti blízko středové osy obličeje. Je umístěn mediálně (směrem ke středové osy obličeje) od obou spodních laterálních (bočních) řezáků. Jako u všech řezáků zahrnuje jejich funkce ukusování a krájení potravy během mastikace, jednoduše žvýkání. Nemají žádné hrbolky. Strana zubu používaná u žvýkání se nazývá řezákový hřbet nebo hrana. I když jsou si podobné, existují malé rozdíly mezi mléčnými a trvalými spodními středními řezáky. Spodní střední řezáky jsou většinou první prořezané zuby, většinou ve věku šesti až osmi měsíců. (cs)
- The mandibular central incisor is the tooth located on the jaw, adjacent to the midline of the face. It is mesial (toward the midline of the face) from both mandibular lateral incisors. As with all incisors, its function includes shearing or cutting food during mastication, commonly known as chewing. There are no cusps on the tooth. Instead, the surface area of the tooth used in eating is called an incisal ridge or incisal edge. Though the two are similar, there are some minor differences between the deciduous (baby) mandibular central incisor and that of the permanent mandibular central incisor. The mandibular central incisors are usually the first teeth to appear in the mouth, typically around the age of 6–8 months. (en)
- L'incisivo centrale inferiore è il primo dente dell'arcata dentaria. Mediamente l'elemento è lungo 22 mm, di cui 9 mm coronali e 13 radicolari, e ha un diametro mesiodistale piuttosto stretto (6.5 mm). Il rapporto corona/radice indica che è un dente dotato di un forte ancoraggio, per poter sopportare le funzioni masticatorie svolte. (it)
- 下顎中切歯（かがくちゅうせっし、mandibular central incisor）は、下顎歯列で正中線の両側に並ぶ歯の事。近心側隣接歯は反対側の下顎中切歯、遠心側隣接歯は下顎側切歯、対合歯は上顎中切歯である。他の切歯と同様、その機能は咀嚼により、食物を噛み切ることである。歯に咬頭は無く、その代わりに咬む面は切縁となっている。下顎乳中切歯と比較的同じであるが、いくつかの小さな差がある。 日本では一般的に、左側下顎中切歯を左下1番（表記は┌の中に1を入れた物）、右側下顎中切歯を右下1番（表記は┐の中に1を入れた物）と呼ぶが、この他、左側下顎中切歯を24、右側下顎中切歯を25とする表記法や、左側下顎中切歯を31、右側下顎中切歯を41とする表記法も国際的に知られる。 (ja)
- Het volwassen, menselijk gebit telt vier centrale snijtanden, één in ieder kwadrant. Zoals de naam al zegt, dienen snijtanden om voedsel af te "snijden" tijdens het kauwen. Om deze functie te kunnen vervullen hebben centrale snijtanden een relatief scherpe snijrand. De centrale snijtanden zijn meestal de eerste tanden van het volwassen gebit die in de mond verschijnen (in het 6e à 7e levensjaar) en wel ter vervanging van de . (nl)
- O Incisivo central inferior é um dente inserido no osso mandibular. FACE VESTIBULAR: As características são semelhantes às do central superior, mas por ser este o menor dente, os detalhes são menos nítidos. As bordas proximais são ligeiramente convergentes pera a raiz e, contrariando a regra, a borda mesial é menor que a distal quando há maior atrição da face incisal (face cortante dos dentes incisivos). A borda incisal é quase retilínea e os ângulos mesial e distal são restos. FACES DE CONTATO: São superfícies quase planas e assemelha-se às proximais do incisivo central superior. (pt)
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| - Mandibular central incisor (en)
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| - Mandibular central incisor (en)
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| - Mandibular central incisors of permanent and primary teeth marked in red. (en)
- The deciduous mandibular central incisors in a 7-month-old infant. Note the incisal ridges which give the teeth a serrated appearance. (en)
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| - Spodní střední řezák je zub umístěný v čelisti blízko středové osy obličeje. Je umístěn mediálně (směrem ke středové osy obličeje) od obou spodních laterálních (bočních) řezáků. Jako u všech řezáků zahrnuje jejich funkce ukusování a krájení potravy během mastikace, jednoduše žvýkání. Nemají žádné hrbolky. Strana zubu používaná u žvýkání se nazývá řezákový hřbet nebo hrana. I když jsou si podobné, existují malé rozdíly mezi mléčnými a trvalými spodními středními řezáky. Spodní střední řezáky jsou většinou první prořezané zuby, většinou ve věku šesti až osmi měsíců. (cs)
- The mandibular central incisor is the tooth located on the jaw, adjacent to the midline of the face. It is mesial (toward the midline of the face) from both mandibular lateral incisors. As with all incisors, its function includes shearing or cutting food during mastication, commonly known as chewing. There are no cusps on the tooth. Instead, the surface area of the tooth used in eating is called an incisal ridge or incisal edge. Though the two are similar, there are some minor differences between the deciduous (baby) mandibular central incisor and that of the permanent mandibular central incisor. The mandibular central incisors are usually the first teeth to appear in the mouth, typically around the age of 6–8 months. (en)
- L'incisivo centrale inferiore è il primo dente dell'arcata dentaria. Mediamente l'elemento è lungo 22 mm, di cui 9 mm coronali e 13 radicolari, e ha un diametro mesiodistale piuttosto stretto (6.5 mm). Il rapporto corona/radice indica che è un dente dotato di un forte ancoraggio, per poter sopportare le funzioni masticatorie svolte. (it)
- 下顎中切歯（かがくちゅうせっし、mandibular central incisor）は、下顎歯列で正中線の両側に並ぶ歯の事。近心側隣接歯は反対側の下顎中切歯、遠心側隣接歯は下顎側切歯、対合歯は上顎中切歯である。他の切歯と同様、その機能は咀嚼により、食物を噛み切ることである。歯に咬頭は無く、その代わりに咬む面は切縁となっている。下顎乳中切歯と比較的同じであるが、いくつかの小さな差がある。 日本では一般的に、左側下顎中切歯を左下1番（表記は┌の中に1を入れた物）、右側下顎中切歯を右下1番（表記は┐の中に1を入れた物）と呼ぶが、この他、左側下顎中切歯を24、右側下顎中切歯を25とする表記法や、左側下顎中切歯を31、右側下顎中切歯を41とする表記法も国際的に知られる。 (ja)
- Het volwassen, menselijk gebit telt vier centrale snijtanden, één in ieder kwadrant. Zoals de naam al zegt, dienen snijtanden om voedsel af te "snijden" tijdens het kauwen. Om deze functie te kunnen vervullen hebben centrale snijtanden een relatief scherpe snijrand. De centrale snijtanden zijn meestal de eerste tanden van het volwassen gebit die in de mond verschijnen (in het 6e à 7e levensjaar) en wel ter vervanging van de . (nl)
- O Incisivo central inferior é um dente inserido no osso mandibular. FACE VESTIBULAR: As características são semelhantes às do central superior, mas por ser este o menor dente, os detalhes são menos nítidos. As bordas proximais são ligeiramente convergentes pera a raiz e, contrariando a regra, a borda mesial é menor que a distal quando há maior atrição da face incisal (face cortante dos dentes incisivos). A borda incisal é quase retilínea e os ângulos mesial e distal são restos. FACE LINGUAL: Semelhante à face lingual do incisivo central superior, mas a fossa lingual é bem rasa e as cristas marginais e cíngulo pouco marcados. FACES DE CONTATO: São superfícies quase planas e assemelha-se às proximais do incisivo central superior. (pt)
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