{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T18:25:09Z","timestamp":1768587909198,"version":"3.49.0"},"reference-count":69,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,4,27]],"date-time":"2005-04-27T00:00:00Z","timestamp":1114560000000},"content-version":"vor","delay-in-days":5444,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J Phys Anthropol"],"published-print":{"date-parts":[[1990,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We report the results of a study of the prevalence of nonsyndromic dental agenesis among a sample of 208 individuals (105 females, 103 males) between the ages of 15 and 29 years from a North American religious and genetic isolate, the Dariusleut Hutterites of Western Canada. Direct examination of dental casts, oral examination reports, dental treatment records, and a limited number of dental radiographs reveals congenital absence and\/or obvious morphometric reduction of at least one tooth (excluding third molars) in 98 subjects (55 females, 43 males), yielding a prevalence estimate of approximately 47%. This estimate is nearly four times those reported for nonisolate Caucasoid populations of European descent and substantially higher than the elevated prevalences observed in several other isolated populations. Although the prevalence of dental agenesis in the Dariusleut is indeed high, neither the incidence of bilateral agenesis (exhibited at least once in 58% of affected dentitions), number of affected teeth per person (mean, 2.4), morphologic tooth classes affected, or combinations of tooth classes affected ostensibly distinguish them from other populations with similar geographic origins. We conclude that the dental agenesis observed in this North American genetic isolate does not represent a private polymorphism or rare developmental variant. Consequently, the results of further study in these Dariusleut Brethren will be directly relevant to critically testing as yet unresolved hypotheses for the mode of gene action and the relative contributions of hereditary and environmental factors to the reduction of tooth numbers in human dentitions.<\/jats:p>","DOI":"10.1002\/ajpa.1330820205","type":"journal-article","created":{"date-parts":[[2006,2,3]],"date-time":"2006-02-03T23:21:24Z","timestamp":1139008884000},"page":"165-177","source":"Crossref","is-referenced-by-count":18,"title":["Dental agenesis in the Dariusleut Hutterite brethren: Comparisons to selected caucasoid population surveys"],"prefix":"10.1002","volume":"82","author":[{"given":"Michael C.","family":"Mahaney","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T. 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