<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0871-3413</journal-id>
<journal-title><![CDATA[Arquivos de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Arq Med]]></abbrev-journal-title>
<issn>0871-3413</issn>
<publisher>
<publisher-name><![CDATA[ArquiMed - Edições Científicas AEFMUP ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0871-34132007000100003</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Differential sensitivity in growth and development of dental and skeletal tissue to environmental quality]]></article-title>
<article-title xml:lang="pt"><![CDATA[Susceptibilidade diferencial no crescimento e desenvolvimento do tecido dentário e ósseo à qualidade do ambiente]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardoso]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade de Coimbra Departamento de Antropologia ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2007</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>19</fpage>
<lpage>23</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-34132007000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-34132007000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-34132007000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Dental and skeletal development provide a measure of physiological age that can be used to predict the optimal timing for treatment in orthodontic, orthopaedic or paediatric clinical practice or to estimate chronological age of child skeletal remains in forensic or archaeological contexts. Because the environmental sensitivity of skeletal and dental development can affect the ability to predict treatment timing and accuracy of age estimations, it is important to understand how these two tissues respond differently to environmental insults, such disease or malnutrition. This paper reviews the literature that supports the general assertion that dental development is less affected by environmental quality than skeletal development. It is concluded that the environmental sensitivity of tooth formation (compared to tooth eruption) has been rarely assessed and that there is a paucity of studies that examine the development of both tissues against socioeconomic and nutritional status or non-genetic disease.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O desenvolvimento do esqueleto e da dentição fornecem uma medida da idade fisiológica, que pode ser utilizada para prever o momento mais adequado do tratamento em ortodontia, ortopedia e pediatria, assim como para estimar a idade cronológica de restos ósseos de crianças em contextos forenses ou arqueológicos. Dado que a susceptibilidade ambiental do desenvolvimento do esqueleto e da dentição podem influenciar a altura do tratamento clínico, ou a correcção das estimativas da idade, é importante compreender qual a resposta diferencial destes dois tecidos aos insultos do ambiente, como sejam a doença ou a desnutrição. Este artigo, faz a revisão da literatura na base do pressuposto de que o desenvolvimento dentário é menos afectado pela qualidade do ambiente do que o desenvolvimento do esqueleto. Conclui-se que a susceptibilidade ambiental da calcificação dentária (comparativamente à erupção dentária) raramente foi avaliada e que são escassos os estudos que examinam o impacto do estatuto socioeconómico ou nutricional, e de doenças não genéticas sobre o desenvolvimento de ambos os tecidos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[dental development]]></kwd>
<kwd lng="en"><![CDATA[skeletal development]]></kwd>
<kwd lng="en"><![CDATA[disease]]></kwd>
<kwd lng="en"><![CDATA[nutrition]]></kwd>
<kwd lng="en"><![CDATA[socioeconomic status]]></kwd>
<kwd lng="pt"><![CDATA[desenvolvimento dentário]]></kwd>
<kwd lng="pt"><![CDATA[desenvolvimento ósseo]]></kwd>
<kwd lng="pt"><![CDATA[doença]]></kwd>
<kwd lng="pt"><![CDATA[nutrição]]></kwd>
<kwd lng="pt"><![CDATA[estatuto socioeconómico]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <B>Differential Sensitivity in Growth and Development of Dental and Skeletal Tissue  to Environmental Quality</B>     <P align="justify">Hugo Cardoso </P>     <P   align="justify">Departamento de Antropologia, Universidade de Coimbra </P>     <P   align="justify">&nbsp;</P>     <P   align="justify"><b>Abstract</b></P>     <P>Dental and skeletal development provide a measure of physiological age that    can be used to predict the optimal timing for treatment in orthodontic, orthopaedic    or paediatric clinical practice or to estimate chronological age of child skeletal    remains in forensic or archaeological contexts. Because the environmental sensitivity    of skeletal and dental develop</B>ment can affect the ability to predict treatment    timing and accuracy of age estimations, it is important to understand how these    two tissues respond differently to environmental insults, such disease or malnutrition.    This paper reviews the literature that supports the general assertion that dental    development is less affected by environmental quality than skeletal development.    It is concluded that the environmental sensitivity of tooth formation (compared    to tooth eruption) has been rarely assessed and that there is a paucity of studies    that examine the development of both tissues against socioeconomic and nutritional    status or non-genetic disease. </P >     <P><B>Key-words</B>: dental development; skeletal development; disease; nutrition;    socioeconomic status</P >     <P>&nbsp;</P >     <P><b>Resumo</b></P >     <P><b>Susceptibilidade Diferencial no Crescimento e Desenvolvimento do Tecido    Dent&aacute;rio e &Oacute;sseo &agrave; Qualidade do Ambiente</b></P >     ]]></body>
<body><![CDATA[<P>O desenvolvimento do esqueleto e da denti&ccedil;&atilde;o fornecem uma medida    da idade fisiol&oacute;gica, que pode ser utilizada para prever o momento mais    adequado do tratamento em ortodontia, ortopedia e pediatria, assim como para    estimar a idade cronol&oacute;gica de restos &oacute;sseos de crian&ccedil;as    em contextos forenses ou arqueol&oacute;gicos. Dado que a susceptibilidade ambiental    do desenvolvimento do esqueleto e da denti&ccedil;&atilde;o podem influenciar    a altura do tratamento cl&iacute;nico, ou a correc&ccedil;&atilde;o das estimativas    da idade, &eacute; importante compreender qual a resposta diferencial destes    dois tecidos aos insultos do ambiente, como sejam a doen&ccedil;a ou a desnutri&ccedil;&atilde;o.    Este artigo, faz a revis&atilde;o da literatura na base do pressuposto de que    o desenvolvimento dent&aacute;rio &eacute; menos afectado pela qualidade do    ambiente do que o desenvolvimento do esqueleto. Conclui-se que a susceptibilidade    ambiental da calcifica&ccedil;&atilde;o dent&aacute;ria (comparativamente &agrave;    erup&ccedil;&atilde;o dent&aacute;ria) raramente foi avaliada e que s&atilde;o    escassos os estudos que examinam o impacto do estatuto socioecon&oacute;mico    ou nutricional, e de doen&ccedil;as n&atilde;o gen&eacute;ticas sobre o desenvolvimento    de ambos os tecidos. </P >     <P><b>Palavras-chave</b>: desenvolvimento dent&aacute;rio; desenvolvimento &oacute;sseo;    doen&ccedil;a; nutri&ccedil;&atilde;o; estatuto socioecon&oacute;mico</P >     <P>&nbsp;</P >     <P>Texto completo dispon&iacute;vel apenas em PDF.</P >     <p>Full text only available in PDF format.</p>     <P   >&nbsp;</P >       <P   align="" ><B>REFERENCES </B></P >       <!-- ref --><P   align="" > 1 -Tanner JM. Growth at adolescence. Oxford: Blackwell, 1961;31:189-93. 1962.     </P >        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000020&pid=S0871-3413200700010000300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><P   align="" >2 - Bailey KV. Dental development in New Guinean infants. J tion in Danish schoolchildren.    Scand J Dent Res Pediatr 1964;64:97-100. </P >     <P   align="" > 3 - Falkner F. Deciduous tooth eruption. Arch Dis Child   1957;32:386-91.</P >     ]]></body>
<body><![CDATA[<P   >4 - Fanning EA. Effect of extraction of deciduous molars on the   formation and eruption of their successors. Angle Orthod   1962;32:44-53.</P >     <P   >5 - Demirjian A. Dental development: a measure of physical   maturity. In: Johnston FE, Roche AF, Susanne C, editors.   Human physical growth and maturation: methodologies   and factors. New York: Plenum Press, 1980:83-100.</P >     <P   align="" >6 - Edler RJ. Dental and skeletal ages in hypopituitary patients.   J Dent Res 1977;56:1145-53.</P >     <P   align="" >7 - Adler P. Effect of some environmental factors on sequence   of permanent tooth eruption. J Dent Res 1963;42:605-16.</P >     <P   align="" >8 - Niswander JD. Effects of heredity and environment on   development of dentition. J Dent Res 1963;42:1288-96.</P >     <P   >9 - Johnsen DC. Prevalence of delayed emergence of permanent   teeth as a result of local factors. J Am Dent Assoc   1977;94:100-6.</P >     <P   align="" >10 - Demirjian A, Goldstein H, Tanner JM. A new system of   dental age assessment. Hum Biol 1973;45:211-27.</P >     <P   align="" >11 - H&auml;aviko K. The formation and the alveolar and the clinical   eruption of the permanent teeth. Proc Finn Dent Soc   1970;66:101-70.</P >     <P   >12 - Moorrees CFA, Fanning EA, Hunt EE. Formation and   resorption of three deciduous teeth in children. Am J Phys   Anthropol 1963;21:205-13</P >     <P   >13 - Moorrees CFA, Fanning EA, Hunt EE. Age variation of   formation stages for ten permanent teeth. J Dent Res   1963;42:1490-502.</P >     ]]></body>
<body><![CDATA[<P   >14 - Nolla CM. The development of the permanent teeth. J Dent   Child 1960;27:254-66.</P >     <P   >15 - Prahl-Andersen B, Roede MJ. The measurement of skeletal   and dental maturity. In: Prahl-Andersen B, Kowalski   CJ, Heydendael PHJM, editors. A mixed-longitudinal interdisciplinary   study of growth and development. New York:   Academic Press, 1979:491-519.</P >     <P   >16 - Greulich WW, Pyle SI. Radiographic atlas of skeletal development of the    hand and wrist. Stanford: Stanford University Press, 1959.</P >     <P   >17 - Tanner JM, Whitehouse RH, Marshall WA, Healy MJR,   Goldstein H. Assessment of skeletal maturity and prediction   of adult height (TW2 method). New York, NY: Academic   Press, 1975.</P >     <P   >18 - Mora S, Boechat MI, Pietka E, Huang HK, Gilsanz V.   Skeletal age determinations in children of European and   African descent: applicability of the Greulich and Pyle   standards. Pediatr Res 2001;50:624-8.</P >     <P   >19 - Liliequist B, Lundberg M. Skeletal and tooth development:   a methodologic investigation. Acta Radiol 1971;11:97-112.</P >     <P   >20 - Andersen E. Skeletal maturation of Danish school children   in relation to height, sexual development, and social conditions.   Acta Paediatr Scand 1968;185(Suppl.):102-31.</P >     <P   >21 - Williams PL, Wendell-Smith CP, Treadgold, S. Basic human   embryology. Philadelphia, JB: Lippincott Company,   1969.</P >     <P   >22 - Demirjian A, Buschang PH, Tanguay R, Patterson DK.   Interrelationships among measures of somatic, skeletal,   dental and sexual maturity. Am J Orthod 1958;88:433-8.</P >     <P   >23 - Green LJ. The interrelationship among height, weight and   chronological, dental and skeletal ages. Angle Orthod   1961;31:189-93.</P >     ]]></body>
<body><![CDATA[<P   >24 - Helm S. Relationship between dental and skeletal maturation   in Danish schoolchildren. Scand J Dent Res   1990;98:313-7.</P >     <P   >25 - Ubelaker DH. Estimating age at death from immature   human skeletons: an overview. J Forensic Sci   1987;32:1254-63.</P >     <P   >26 - Ubelaker DH. The estimation of age at death from immature   human bone. In: Iscan MY, editor. Age markers in the   human skeleton. Springfield, Illinois: Charles C Thomas   Publisher, 1989:55-70.</P >     <P   >27 - Saunders SR, Hoppa R, Southern R. Diaphyseal growth in   a nineteenth century skeletal sample of subadults from St   Thomas&#8217; Church, Belleville, Ontario. Int J Osteoarchaeol   1993;3:265-81.</P >     <P   >28 - Lewis AB, Garn SM. The relationship between tooth formation   and other maturational factors. Angle Orthod   1960;30:70-7.</P >     <P   >29 - Swindler DR, Emel LM. Dental development, skeletal maturation   and body weight at birth in pig-tail macaques (Macaca   nemestrina). Arch Oral Biol 1990;35:289-94.</P >     <P   >30 - Anderson DL, Thompson GW, Popovich F. Interrelationships   of dental maturity, skeletal maturity, height and   weight from 4 to 14 years. Growth 1975;39:453-62.</P >     <P   >31 - Garn SM, Lewis AB, Kerewsky RS. Genetic, nutritional and   maturational correlates of dental development. J Dent Res   1965;44:228-42.</P >     <P   >32 - Lacey KA, Parkin JM, Steel GH. Relationship between   bone age and dental development. Lancet 1973;2:736-7.</P >     <P   >33 - Lauterstein AM. A cross-sectional study in dental development   and skeletal age. J Am Dent Ass 1961;62:161-7.</P >     ]]></body>
<body><![CDATA[<P   >34 - Lewis AB. Comparisons between dental and skeletal ages.   Angle Orthod 1991;61:87-92.</P >     <P   >35 - Meredith HV. Relation between the eruption of selected   mandibular permanent teeth and the circumpuberal acceleration   in stature. J Dent Child 1959;26:75-8</P >     <P   >36 - Demisch A, Wartmann P. Calcification of the mandibular   third molar and its relation to skeletal and chronological age   in children. Child Dev 1956;27:459-73.</P >     <P   >37 - Krailassiri S, Anuwongnukroh N, Dechkunakorn S. Relationship   between dental calcification stages and skeletal   maturity indicators in Thai individuals. Angle Orthod   2002;72:155-66.</P >     <P   >38 - Engstr&ouml;m C, Engstr&ouml;m H, Sagne S. Lower third molar   development in relation to skeletal maturity and chronological   age. Angle Orthod 1983;53:97-106.</P >     <P   >39 - Uysal T, Sari Z, Ramoglu SI, Basciftci FA. Relationships   between dental and skeletal maturity in Turkish subjects.   Angle Orthod 2004;74:657-64.</P >     <P   >40 - Garn SM, Lewis AB, Polacheck DL. Sibling similarities in   dental development. J Dent Res 1960;39:170-5.</P >     <P   >41 - Pelsmaekers B, Loos R, Carels C, Derom C, Vlietinck R.   The genetic contribution to dental maturation. J Dent Res   1997;76:1337-40.</P >     <P   >42 - Garn SM, Rohmann CG, Davis AA. Genetics of hand-wrist   ossification. Am J Phys Anthropol 1963;21:33-40.</P >     <P   >43 - Ryman N, Lindstein J, Leikrans S, Filipsson R, Hall K,   Hirschfeld J, Swan T. A genetic analysis of the normal   body-height growth and dental development in Man. Ann   Hum Genet 1975;39:163-71.</P >     ]]></body>
<body><![CDATA[<P   >44 -Vallejo-Bola&ntilde;os E, Espa&ntilde;a-L&oacute;pez AJ. The relationship    between dental age, bone age and chronological age in 54 children with short    familial stature. Int J Paediatr Dent 1997;7:15-7. </P >     <P   align="justify" >45 - Ozerovic B. Correlation of dental and skeletal age in children with cerebral    palsy. Eur J Orthod 1980;2:193-5. </P >     <P   align="justify" >46 - Laor E, Garfunkel A, Koyoumdijsky-Kaye E. Skeletal and dental retardation    in &szlig;-thalassemia major. Hum Biol 1982;54:85-92. </P >     <P   align="justify" >47 - Garn SM, Lewis AB, Blizzard RM. Endocrine factors in dental development.    J Dent Res 1965;44:243-58. </P >     <P   align="justify" >48 - Keller EE, Sather AH, Hayles AB. Dental and skeletal development in various    endocrine and metabolic diseases. J Am Dent Ass 1970;81:415-9. </P >     <P   align="justify" >49 - Melsen B, Wenzel A, Miletic T, Andreasen J, Vagn-Hansen PL, Terp S. Dental    and skeletal maturity in adoptive children: assessments at arrival and after    one year in the admitting country. Ann Hum Biol 1986;13:153-9. </P >     <P   align="justify" >50 - Alvear J, Artaza C, Vial M, Guerrero S, Muzzo S. Physical growth and bone    age of survirors of protein energy malnutrition. Arch Dis Child 1986;61:257-62.  </P >     <P   align="justify" >51 - Martorell R, Yarbrough C, Klein RE, Lechtig A. Malnutrition, body size and    skeletal maturation: interrelationships and implications for catch-up growth.    Hum Biol 1979;51:371-89. </P >     <P   align="justify" >52 - Holtgrave EA, Kretschmer R, M&uuml;ller R. Acceleration in dental development:    fact or fiction. Eur J Orthod 1997;19:703-10. </P >     <P   align="justify" >53 - Nadler GL. Earlier dental maturation: fact or fiction? Angle Orthod 1998;68:535-8.  </P >     ]]></body>
<body><![CDATA[<P   >54 - Eveleth PB, Tanner JM. Worldwide wide variation in human growth. Cambridge:    Cambridge University Press, 1990. </P >     <P   >55 - Garn SM, Jerrold MN, Sandusky SM, Trowbridge F. Economic impact on tooth    emergence. Am J Phys Anthropol 1973;39:233-8. </P >     <P   >56 - Garn SM, Sandusky SM, Rosen NN, Trowbridge F. Economic impact on postnatal    ossification. Am J Phys Anthropol 1973;38:1-4. </P >     <P   >57 - Lee MMC, Low WD, Chang SF. Eruption of the permanent dentition of southern    Chinese in Hong Kong. Arch Oral Biol 1965;10:849-61. </P >     <P   >58 - Low WD, Chan ST, Chang KSF, Lee MMC. Skeletal maturation of southern Chinese    children. Child Dev 1964;35:1313-36. </P >     <P   >59 - May RL, Goodman AH, Meindl RS. Response of bone and enamel formation to    nutritional supplementation and morbidity among malnourished Guatemalan children.    Am J Phys Anthropol 1993;92:37-51. </P >     <P   >&nbsp;</P >     <P   ><B>Correspond&ecirc;ncia: </B>Dr. Hugo Cardoso </P >     <P   >Departamento de Antropologia </P >     <P   >Universidade de Coimbra </P >     ]]></body>
<body><![CDATA[<P   >Rua do Arco da Trai&ccedil;&atilde;o 3000-056 Coimbra </P >     <P   >e-mail: <a href="mailto:hcardoso@antrop.uc.pt">hcardoso@antrop.uc.pt </a></P >     <P   >&nbsp;</P >      ]]></body>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tanner]]></surname>
<given-names><![CDATA[JM.]]></given-names>
</name>
</person-group>
<source><![CDATA[Growth at adolescence]]></source>
<year>1961</year>
<volume>31</volume>
<page-range>189-93</page-range><publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Blackwell]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
