{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T03:42:05Z","timestamp":1790480525562,"version":"4.1.0"},"reference-count":59,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2018,5,10]],"date-time":"2018-05-10T00:00:00Z","timestamp":1525910400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001824","name":"Grantov\u00e1 Agentura \u010cesk\u00e9 Republiky","doi-asserted-by":"publisher","award":["14\u201037368G"],"award-info":[{"award-number":["14\u201037368G"]}],"id":[{"id":"10.13039\/501100001824","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Anatomy"],"published-print":{"date-parts":[[2018,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this review, classical data on the early steps in human odontogenesis are summarized and updated with specific insights into the development of the upper and lower embryonic jaws to help in understanding some oral pathologies. The initial step of human odontogenesis is classically characterized by two parallel horseshoe\u2010shaped epithelial laminae. These originate from the oral epithelium and an ingrowth into the jaw mesenchyme: the internal dental lamina gives rise to deciduous tooth primordia, while the external vestibular lamina represents the developmental base of the oral vestibule. However, a more complex situation was revealed by recent studies combining analyses of the dental and adjacent oral epithelia on histological sections and computer\u2010aided three\u2010dimensional (3D) reconstructions during the 2nd month of human embryonic development. The dental epithelium forms a mound, where swellings appear later, corresponding to the individual primordia of deciduous teeth. External to the developing deciduous dentition, the 3D reconstructions do not show any continuous vestibular lamina but instead a complex of discontinuous epithelial bulges and ridges. The patterns of these epithelial structures and their relationship to the dental epithelium differ not only between the upper and lower jaws but also between the lip and cheek segments in each jaw. Knowledge of early odontogenesis may help in understanding some oral pathologies. For example, the human lateral incisor has a dual origin: it arises in the area of fusion between the medial nasal and maxillary facial processes and involves material from these two regions. Such a dual origin at the site of fusion of facial processes represents a predisposition to developmental vulnerability for the upper lateral incisor, resulting in its frequent anomalies (absence, hypoplasia, duplication), especially in patients with a cleft lip and\/or jaw. Other pathologies, such as a minute supernumerary tooth, desmoplastic ameloblastoma or extraosseous odontogenic cysts are located external to the upper or lower dentition, and might be derived from structures that transiently appear during early development of the oral vestibule in humans.<\/jats:p>","DOI":"10.1111\/joa.12825","type":"journal-article","created":{"date-parts":[[2018,5,10]],"date-time":"2018-05-10T09:16:05Z","timestamp":1525943765000},"page":"135-145","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":88,"title":["Early development of the human dentition revisited"],"prefix":"10.1111","volume":"233","author":[{"given":"Maria","family":"Hovorakova","sequence":"first","affiliation":[{"name":"Institute of Experimental Medicine the Czech Academy of Sciences Prague Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Herve","family":"Lesot","sequence":"additional","affiliation":[{"name":"Institute of Animal Physiology and Genetics the Czech Academy of Sciences Brno Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miroslav","family":"Peterka","sequence":"additional","affiliation":[{"name":"Institute of Experimental Medicine the Czech Academy of Sciences Prague Czech Republic"},{"name":"Institute of Anatomy First Faculty of Medicine Charles University Prague Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1454-2532","authenticated-orcid":false,"given":"Renata","family":"Peterkova","sequence":"additional","affiliation":[{"name":"Institute of Experimental Medicine the Czech Academy of Sciences Prague Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,5,10]]},"reference":[{"key":"e_1_2_12_2_1","first-page":"622","article-title":"Zur Frage der \u00fcberz\u00e4hligen Z\u00e4hne im menschlichen Gebiss","volume":"22","author":"Adloff P","year":"1907","journal-title":"Dtsch Monatschr Zahnheilk"},{"key":"e_1_2_12_3_1","first-page":"828","article-title":"\u00dcberreste einer pr\u00e4lactealen Zahnreihe beim Menschen","volume":"11","author":"Adloff P","year":"1909","journal-title":"Dtsch Monatschr Zahnheilk"},{"key":"e_1_2_12_4_1","volume-title":"Die Entwicklung des Zahnsystems der S\u00e4ugetiere und des Menschen","author":"Adloff P","year":"1916"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02116170"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034517723326"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00429-003-0366-x"},{"key":"e_1_2_12_8_1","volume-title":"Orban's Oral Histology and Embryology","author":"Bhaskar SN","year":"1980"},{"issue":"38","key":"e_1_2_12_9_1","first-page":"35","article-title":"Dental anomalies in harelip and cleft palate","volume":"21","author":"B\u00f6hn A","year":"1963","journal-title":"Acta Odontol Scand"},{"key":"e_1_2_12_10_1","first-page":"154","article-title":"Supernumerary teeth in the molar region in man","volume":"56","author":"Bolk L","year":"1914","journal-title":"Dent Cosmos"},{"key":"e_1_2_12_11_1","first-page":"138","article-title":"Odontological Essays. 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