Dens evaginatus is a rare odontogenic developmental anomaly that is found in teeth where the outer surface appears to form an extra bump or cusp. Premolars are more likely to be affected than any other tooth. It could occur unilaterally or bilaterally. Dens evaginatus (DE) typically occurs bilaterally and symmetrically. This may be seen more frequently in Asians (including Chinese, Malay, Thai, Japanese, Filipino and Indian populations).
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| - Dens evaginatus (en)
- 中心結節 (ja)
- 梁氏小臼齒 (zh)
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| - 中心結節(ちゅうしんけっせつ)とは、歯の形態異常、異常結節の一つ。咬合面中央部に出現する、円錐状や棒状の小突起。小臼歯、大臼歯の他、まれに上顎側切歯にも見られることがあるが、好発は下顎第二小臼歯である。ただし、小臼歯の物と他の物が同一の物かは議論がある。 (ja)
- 梁氏小臼齒(Leong's premolar;學名:Dens evaginatus,縮寫作DE)是一種牙源性發育異常狀況,見於牙齒的外表面,指有從牙齒的咀嚼面上生長出來,而通常底下都有牙髓組織連繫著。這種牙齒病變在整體人口比較罕見,約佔4%總人口,視乎人種而定,從0.06%到7.7%不等;而且男性患者亦比女性患者多。當中在亚洲人更為常見,包括華人、马来人、暹羅泰族、日本人、菲律宾人及印度人。 前臼齒或小臼齒是這種異常經常會出現的位置,但也可能出現於其他牙齒(例如:門齒)。這種病變有可能只見於單邊或兩邊,但通常都同時見於左右兩邊,特別是下颌骨上的牙齒。 已知患有埃利偉氏症候群、、、魯賓斯坦-泰必氏綜合症及斯特奇-韦伯综合征的人會有較高機會同時亦有這種病變。 (zh)
- Dens evaginatus is a rare odontogenic developmental anomaly that is found in teeth where the outer surface appears to form an extra bump or cusp. Premolars are more likely to be affected than any other tooth. It could occur unilaterally or bilaterally. Dens evaginatus (DE) typically occurs bilaterally and symmetrically. This may be seen more frequently in Asians (including Chinese, Malay, Thai, Japanese, Filipino and Indian populations). (en)
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| - Tuberculated cusp, accessory tubercle, occlusal tuberculated premolar, Leong's premolar, evaginatus odontoma, occlusal pearl (en)
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has abstract
| - Dens evaginatus is a rare odontogenic developmental anomaly that is found in teeth where the outer surface appears to form an extra bump or cusp. Premolars are more likely to be affected than any other tooth. It could occur unilaterally or bilaterally. Dens evaginatus (DE) typically occurs bilaterally and symmetrically. This may be seen more frequently in Asians (including Chinese, Malay, Thai, Japanese, Filipino and Indian populations). The prevalence of DE ranges from 0.06% to 7.7% depending on the race. It is more common in men than in women, more frequent in the mandibular teeth than the maxillary teeth. Patients with Ellis-van Creveld syndrome, incontinentia pigmenti achromians, Mohr syndrome, Rubinstein-Taybi syndrome and Sturge Weber syndrome are at a higher risk of having DE. (en)
- 中心結節(ちゅうしんけっせつ)とは、歯の形態異常、異常結節の一つ。咬合面中央部に出現する、円錐状や棒状の小突起。小臼歯、大臼歯の他、まれに上顎側切歯にも見られることがあるが、好発は下顎第二小臼歯である。ただし、小臼歯の物と他の物が同一の物かは議論がある。 (ja)
- 梁氏小臼齒(Leong's premolar;學名:Dens evaginatus,縮寫作DE)是一種牙源性發育異常狀況,見於牙齒的外表面,指有從牙齒的咀嚼面上生長出來,而通常底下都有牙髓組織連繫著。這種牙齒病變在整體人口比較罕見,約佔4%總人口,視乎人種而定,從0.06%到7.7%不等;而且男性患者亦比女性患者多。當中在亚洲人更為常見,包括華人、马来人、暹羅泰族、日本人、菲律宾人及印度人。 前臼齒或小臼齒是這種異常經常會出現的位置,但也可能出現於其他牙齒(例如:門齒)。這種病變有可能只見於單邊或兩邊,但通常都同時見於左右兩邊,特別是下颌骨上的牙齒。 已知患有埃利偉氏症候群、、、魯賓斯坦-泰必氏綜合症及斯特奇-韦伯综合征的人會有較高機會同時亦有這種病變。 (zh)
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