{"id":"https://openalex.org/W1967106560","doi":"https://doi.org/10.4314/wajm.v24i4.28227","title":"Age estimation of Malawian adults from dental radiographs","display_name":"Age estimation of Malawian adults from dental radiographs","publication_year":2006,"publication_date":"2006-05-25","ids":{"openalex":"https://openalex.org/W1967106560","doi":"https://doi.org/10.4314/wajm.v24i4.28227","mag":"1967106560","pmid":"https://pubmed.ncbi.nlm.nih.gov/16483051"},"language":"en","primary_location":{"id":"doi:10.4314/wajm.v24i4.28227","doi":"https://doi.org/10.4314/wajm.v24i4.28227","is_oa":true,"landing_page_url":"https://doi.org/10.4314/wajm.v24i4.28227","pdf_url":"https://www.ajol.info/index.php/wajm/article/download/28227/22013","source":{"id":"https://openalex.org/S2754473468","display_name":"West African Journal of Medicine","issn_l":"0189-160X","issn":["0189-160X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["medline","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4310321518","host_organization_name":"African Journals OnLine","host_organization_lineage":["https://openalex.org/P4310321518"],"host_organization_lineage_names":["African Journals OnLine"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"West African Journal of Medicine","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.ajol.info/index.php/wajm/article/download/28227/22013","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057543748","display_name":"Patrick Sunday Igbigbi","orcid":"https://orcid.org/0000-0002-4134-7989","observed_orcids":["https://orcid.org/0000-0002-4134-7989"]},"institutions":[{"id":"https://openalex.org/I157591606","display_name":"University of Malawi","ror":"https://ror.org/04vtx5s55","country_code":"MW","type":"education","lineage":["https://openalex.org/I157591606"]}],"countries":["MW"],"is_corresponding":false,"raw_author_name":"PS Igbigbi","raw_affiliation_strings":["Department of Anatomy, College of Medicine, University of Malawi, P. M. B. 360, Chichiri, Blantyre 3, Malawi. pigbigbi@yahoo.com","Department of  Anatomy, College of Medicine, University of Malawi, PMB 360, Chichiri, Blantyre 3, Malawi"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Anatomy, College of Medicine, University of Malawi, P. M. B. 360, Chichiri, Blantyre 3, Malawi. pigbigbi@yahoo.com","institution_ids":["https://openalex.org/I157591606"]},{"raw_affiliation_string":"Department of  Anatomy, College of Medicine, University of Malawi, PMB 360, Chichiri, Blantyre 3, Malawi","institution_ids":["https://openalex.org/I157591606"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027955534","display_name":"Saulos K Nyirenda","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Saulos K Nyirenda","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0498,"has_fulltext":false,"cited_by_count":43,"citation_normalized_percentile":{"value":0.91759071,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"24","issue":"4","first_page":"329","last_page":"33"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10992","display_name":"Forensic Anthropology and Bioarchaeology Studies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10992","display_name":"Forensic Anthropology and Bioarchaeology Studies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11363","display_name":"Dental Radiography and Imaging","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3504","display_name":"Oral Surgery"},"field":{"id":"https://openalex.org/fields/35","display_name":"Dentistry"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10536","display_name":"Endodontics and Root Canal Treatments","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3504","display_name":"Oral Surgery"},"field":{"id":"https://openalex.org/fields/35","display_name":"Dentistry"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/age-estimation","display_name":"age estimation","score":0.7620000243186951},{"id":"https://openalex.org/keywords/premolars","display_name":"premolars","score":0.7369999885559082},{"id":"https://openalex.org/keywords/molars","display_name":"molars","score":1.0},{"id":"https://openalex.org/keywords/forensic-identification","display_name":"forensic identification","score":0.7149999737739563}],"concepts":[{"id":"https://openalex.org/C13483470","wikidata":"https://www.wikidata.org/wiki/Q1470152","display_name":"Coronal plane","level":2,"score":0.8276748657226562},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7989209890365601},{"id":"https://openalex.org/C202271784","wikidata":"https://www.wikidata.org/wiki/Q189218","display_name":"Molar","level":2,"score":0.7881497144699097},{"id":"https://openalex.org/C2780641865","wikidata":"https://www.wikidata.org/wiki/Q839483","display_name":"Premolar","level":3,"score":0.7356051206588745},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.6647509336471558},{"id":"https://openalex.org/C29694066","wikidata":"https://www.wikidata.org/wiki/Q118301","display_name":"Orthodontics","level":1,"score":0.5813606381416321},{"id":"https://openalex.org/C36454342","wikidata":"https://www.wikidata.org/wiki/Q245341","display_name":"Radiography","level":2,"score":0.5717119574546814},{"id":"https://openalex.org/C2986834420","wikidata":"https://www.wikidata.org/wiki/Q5932254","display_name":"Age groups","level":2,"score":0.5409745573997498},{"id":"https://openalex.org/C188442228","wikidata":"https://www.wikidata.org/wiki/Q48286","display_name":"Pulp (tooth)","level":2,"score":0.46299606561660767},{"id":"https://openalex.org/C73753567","wikidata":"https://www.wikidata.org/wiki/Q4348754","display_name":"Mandibular second molar","level":3,"score":0.4536929726600647},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4529421031475067},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.12825870513916016},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.12253159284591675},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.09903156757354736},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000366","descriptor_name":"Age Determination by Teeth","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D003741","descriptor_name":"Dental Deposits","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D003782","descriptor_name":"Dental Pulp","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D003782","descriptor_name":"Dental Pulp","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005553","descriptor_name":"Forensic Dentistry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008295","descriptor_name":"Malawi","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009063","descriptor_name":"Dental Physiological Phenomena","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010865","descriptor_name":"Pilot Projects","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015415","descriptor_name":"Biomarkers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.4314/wajm.v24i4.28227","doi":"https://doi.org/10.4314/wajm.v24i4.28227","is_oa":true,"landing_page_url":"https://doi.org/10.4314/wajm.v24i4.28227","pdf_url":"https://www.ajol.info/index.php/wajm/article/download/28227/22013","source":{"id":"https://openalex.org/S2754473468","display_name":"West African Journal of Medicine","issn_l":"0189-160X","issn":["0189-160X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["medline","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4310321518","host_organization_name":"African Journals OnLine","host_organization_lineage":["https://openalex.org/P4310321518"],"host_organization_lineage_names":["African Journals OnLine"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"West African Journal of Medicine","raw_type":"journal-article"},{"id":"pmid:16483051","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/16483051","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"West African journal of medicine","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.4314/wajm.v24i4.28227","doi":"https://doi.org/10.4314/wajm.v24i4.28227","is_oa":true,"landing_page_url":"https://doi.org/10.4314/wajm.v24i4.28227","pdf_url":"https://www.ajol.info/index.php/wajm/article/download/28227/22013","source":{"id":"https://openalex.org/S2754473468","display_name":"West African Journal of Medicine","issn_l":"0189-160X","issn":["0189-160X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["medline","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4310321518","host_organization_name":"African Journals OnLine","host_organization_lineage":["https://openalex.org/P4310321518"],"host_organization_lineage_names":["African Journals OnLine"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"West African Journal of Medicine","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.8560000061988831}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1967106560.pdf"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2071440753","https://openalex.org/W2896074131","https://openalex.org/W2973273319","https://openalex.org/W2593543320","https://openalex.org/W2938700294","https://openalex.org/W7117649321","https://openalex.org/W4321360924","https://openalex.org/W4365999992","https://openalex.org/W4408194801","https://openalex.org/W2896677466"],"abstract_inverted_index":{"BACKGROUND:":[0],"Previous":[1],"studies":[2],"have":[3],"shown":[4],"that":[5,26],"with":[6,151],"advancing":[7],"age":[8,57,150,166,208],"the":[9,12,44,62,66,73,77,162,171,201],"size":[10],"of":[11,21,28,37,43,65,76,87,91,149,154,184,204,207,225],"dental":[13,105],"pulp":[14,79,84],"cavity":[15,80,85],"is":[16,41,211],"reduced":[17],"as":[18,34],"a":[19],"result":[20],"secondary":[22],"dentine":[23],"deposit,":[24],"so":[25],"measurements":[27],"this":[29,205],"reduction":[30],"can":[31],"be":[32],"used":[33,46],"an":[35,152],"indicator":[36],"age.":[38,120,227],"Age":[39],"estimation":[40,148,209],"one":[42],"indicators":[45],"in":[47,134,137,158],"forensic":[48],"identification":[49],"and":[50,72,89,116,131,139,177,216,222],"teeth":[51],"are":[52],"biological":[53],"markers":[54],"for":[55,113,168,175],"human":[56],"estimation.":[58],"METHODOLOGY:":[59],"We":[60],"measured":[61],"height":[63,74],"(mm)":[64,75],"crown":[67],"(CH":[68],"=":[69,82],"Coronal":[70,83],"Height)":[71],"coronal":[78],"(CPCH":[81],"height)":[86],"premolars":[88,138],"molars":[90,140],"134":[92],"adult":[93],"Malawians":[94],"(77":[95],"males,":[96],"57":[97],"females)":[98],"aged":[99],"20":[100],"-":[101],"80":[102],"years":[103,157],"from":[104,126],"radiographs.":[106],"The":[107,122,144,180],"Tooth-Coronal":[108],"Index":[109],"(TCI)":[110],"was":[111,174],"computed":[112],"each":[114],"tooth":[115],"regressed":[117],"on":[118],"real":[119],"RESULT:":[121],"correlation":[123],"coefficients":[124],"ranged":[125],"r":[127],"-0.650":[128],"to":[129,218],"-0.799":[130],"were":[132,188],"significant":[133],"both":[135,219],"gender,":[136],"(P":[141],"<":[142],"0.01).":[143],"equations":[145],"obtained":[146],"allowed":[147],"error":[153],"+/-":[155],"5":[156],"our":[159,185],"studied":[160],"population,":[161],"molar":[163],"equation":[164,173],"estimated":[165],"better":[167],"males":[169],"while":[170],"premolar":[172],"female":[176],"combined":[178],"samples.":[179],"percentage":[181],"accuracy":[182],"levels":[183],"sample":[186],"population":[187],"higher":[189],"than":[190],"Caucasians":[191],"previously":[192],"reported":[193],"using":[194],"similar":[195],"methods.":[196],"CONCLUSION:":[197],"Our":[198],"study":[199],"demonstrates":[200],"potential":[202],"value":[203],"method":[206],"which":[210],"precise,":[212],"simple,":[213],"non":[214],"invasive":[215],"applicable":[217],"living":[220],"individuals":[221],"skeletal":[223],"materials":[224],"unknown":[226]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":3}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
