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120:. The dental lamina is first evidence of tooth development and begins (in humans) at the sixth week in utero or three weeks after the rupture of the buccopharyngeal membrane. It is formed when cells of the oral ectoderm proliferate faster than cells of other areas. Best described as an in-growth of oral
219:
The most acknowledged theory for supernumerary teeth is hyperactivity of dental lamina. On completion of the dentition, the dental lamina is usually destroyed and reabsorbed, but when remnants fail to resorb, it can continue to proliferate abnormally. This abnormal proliferation can form the extra
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due to proliferation on the cranial portion of dental lamina give rise to future spot of deciduous teeth. Moreover, further proliferation on the leading edge of the lamina leads to permanent teeth development, as a result, successional lamina is formed when those permanent teeth succeed the 20
182:
In addition, during the bell stage of tooth development, the dental lamina helps to disconnect the interaction between the oral epithelium and developing tooth by bringing the oral epithelium fragments and the tooth germs together. Breaking up of the dental lamina leads to the development of
136:. Eventually, the dental lamina disintegrates into small clusters of epithelium and is resorbed. In situations when the clusters are not resorbed, (this remnant of the dental lamina is sometimes known as the glands of Serres)
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epithelial cell clusters, some of the clusters may remain instead of degenerate, those persisted clusters, called epithelial pearls, they can delay tooth eruption by creating a small cyst on the top of the developing tooth.
254:
Buchtová, M.; Ĺ tembĂrek, J.; Glocová, K.; Matalová, E.; Tucker, A.S. (2012). "Early
Regression of the Dental Lamina Underlies the Development of Diphyodont Dentitions".
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deciduous teeth. Since permanent molars do not have deciduous predecessor, they tend to develop from the general lamina which is also formed from dental lamina.
195:. Having this condition means patients have supernumerary teeth - additional teeth other than 20 primary teeth in children and 32 permanent teeth in adults.
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are formed over the developing tooth and delay its eruption into the oral cavity. This invagination of ectodermal tissues is the progenitor to the later
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620:
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It derived from horseshoe shaped primary epithelial band which is formed when thickened oral epithelium invaginates into the mesenchyme.
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Gartner, L. The
Essentials of Oral Histology and Embryology. Jen House Publishing Company. Baltimore, MD. 1999. pg19-20
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Gupta, Ashu; Nagar, Priya; Khandeparker, Rakshit Vijay Sinai; Munjal, Deepti; Sethi, Harsimran Singh (August 2015).
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128:, which develops concurrently. This dividing tissue is surrounded by and, some would argue, stimulated by
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growth. When it is present, the dental lamina connects the developing tooth bud to the epithelium of the
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Anthonappa, R.P. (26 September 2013). "Aetiology of supernumerary teeth: a literature review".
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Dental lamina plays a key role in a cascade of events that contributes to teeth development.
466:"Hyperactive Dental Lamina in a 24-Year-old Female - A Case Report and Review of Literature"
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Thesleff, Irma; Tummers, Mark (January 31, 2009). Watt, Fiona; Gage, Fred (eds.).
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Hyperactivity or overgrowth of dental lamina can give rise to conditions such as
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388:. Ten Cate, A. R. (Arnold Richard). (8th. ed.). St. Louis, Mo.: Elsevier.
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Essentials of oral histology and embryology : a clinical approach
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Ten Cate's oral histology : development, structure, and function
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523:"Supernumerary Teeth: Review of the Literature with Recent Updates"
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421:. Avery, James K. (4th ed.). St. Louis, Mo.: Elsevier Mosby.
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The reasons for this condition could be any of the following:
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174:A series of epithelial outgrowths deep into
470:Journal of Clinical and Diagnostic Research
297:Whitlock, John A.; Richman, Joy M. (2013).
78:lamina_by_E5.4.1.1.1.0.3 E5.4.1.1.1.0.3
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299:"Biology of tooth replacement in amniotes"
220:tooth bud leading to supernumerary teeth.
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348:"Tooth organogenesis and regeneration"
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303:International Journal of Oral Science
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521:Mallineni, Sreekanth Kumar (2014).
202:Dichotomy (division) of tooth buds.
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215:Hyperactivity of dental lamina.
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187:Hyperactivity of Dental Lamina
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417:J., Chiego, Daniel (2014).
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384:Antonio., Nanci (2013).
268:10.1177/0022034512442896
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152:is responsible for the
701:Epithelial root sheath
85:Anatomical terminology
315:10.1038/ijos.2013.36
736:Stratum intermedium
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731:Stellate reticulum
211:Gardner's syndrome
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193:Hyperdontia
142:ameloblasts
134:oral cavity
55:Identifiers
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241:References
230:Diphyodont
176:mesenchyme
156:and later
148:while the
114:histologic
107:epithelial
34:Micrograph
670:Dentition
490:2249-782X
445:cite book
437:809616144
404:769803484
284:206417026
753:Category
675:Teething
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508:26436066
368:20614625
352:StemBook
333:23788284
276:22442052
224:See also
164:Function
122:ectoderm
112:seen in
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324:3707075
206:Atavism
50:Details
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146:enamel
110:tissue
689:Other
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280:S2CID
89:[
61:Latin
36:of a
572:PMID
531:2014
504:PMID
486:ISSN
451:link
433:OCLC
423:ISBN
400:OCLC
390:ISBN
364:PMID
329:PMID
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144:and
101:The
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
