ࡱ> :<9q` RbjbjqPqP2":: *$<h$       й] 0   APv T p D    Title:Secular trend in tooth size in urban Chinese assessed from two-generation family data Author(s): HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Harris+EF&curr_doc=30/1&Form=FullRecordPage&doc=30/1" \o "one-click search" Harris EF,  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Potter+RH&curr_doc=30/1&Form=FullRecordPage&doc=30/1" \o "one-click search" Potter RH,  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Lin+JX&curr_doc=30/1&Form=FullRecordPage&doc=30/1" \o "one-click search" Lin JX Source:AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 115 (4): 312-318 AUG 2001 Document Type:Article Language:English  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=PagedCitedRefList&UT=000170247400003&doc=30/1&rec_id=120905771" Cited References: 68  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=DispCitingRec&doc=30/1&isickref=120905771" Times Cited: 2  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=EasyRelated&UT=000170247400003&doc=30/1&rec_id=120905771"  INCLUDEPICTURE "http://images.isiknowledge.com/WoK3/Images/relrec.gif" \* MERGEFORMATINET  HYPERLINK ""  INCLUDEPICTURE "http://images.isiknowledge.com/WoK3/Images/info.gif" \* MERGEFORMATINET  Abstract:Environmental improvements: can lead to greater size of skeletodental structures as the population comes closer to expressing its genetic growth potential. Such secular trends have been documented in many human settings, especially for increased stature and faster tempos of growth. The present study is based an 185 same-sex parent-offspring pairs of data for maximum buccolingual crown diameters of the permanent teeth from a cohort in Beijing, China, where parents experienced much of their development during and after World War II with the deprivations of the changing regime. Their offspring enjoyed the relative stability of the established Communist system, where nutrition and stability were much improved. There were significant increases in buccolingual diameters of the premolars and molars in the offspring. Increase for premolars and molars was about 1%, but larger in females than males (1.6% vs. 0.5%). Opposite changes occurred in the incisors and canines (i.e., larger parental dimensions), but we contend that these are an age-related artifact brought on by greater passive eruption of older individuals' teeth that exposes a broader portion of the crown at the gingival margin. The secular trend in crown size coincides with other research in contemporary China, disclosing increases in body size and faster tempos of growth as health and nutrition continue to improve. (C) 2001 Wiley-Liss, Inc. Author Keywords:odontometrics; familial data; passive eruption KeyWords Plus:ALVEOLAR-CREST HEIGHT; SCHOOL-CHILDREN; MENARCHEAL AGE; ERUPTION; GROWTH; HEALTH; MATURATION; POPULATION; JAPANESE; REFORM Addresses:Harris EF (reprint author), Univ Tennessee, Coll Dent, Dept Orthodont, 875 Union Ave, Memphis, TN 38163 USA Univ Tennessee, Coll Dent, Dept Orthodont, Memphis, TN 38163 USA Indiana Univ, Sch Dent, Indianapolis, IN 46202 USA Beijing Med Univ, Sch Stomatol, Dept Orthodont, Beijing, 100083 Peoples R China Publisher:WILEY-LISS, DIV JOHN WILEY & SONS INC, 605 THIRD AVE, NEW YORK, NY 10158-0012 USA Subject Category:ANTHROPOLOGY; EVOLUTIONARY BIOLOGY IDS Number:459JN ISSN:0002-9483 \^hij! 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