{"id":"https://openalex.org/W2139573189","doi":"https://doi.org/10.4317/jced.51813","title":"Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population","display_name":"Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W2139573189","doi":"https://doi.org/10.4317/jced.51813","mag":"2139573189","pmid":"https://pubmed.ncbi.nlm.nih.gov/25674324","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/4312684"},"language":"en","primary_location":{"id":"doi:10.4317/jced.51813","doi":"https://doi.org/10.4317/jced.51813","is_oa":true,"landing_page_url":"https://doi.org/10.4317/jced.51813","pdf_url":"https://doi.org/10.4317/jced.51813","source":{"id":"https://openalex.org/S135733525","display_name":"Journal of Clinical and Experimental Dentistry","issn_l":"1989-5488","issn":["1989-5488"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310321621","host_organization_name":"Medicina Oral S.L.","host_organization_lineage":["https://openalex.org/P4310321621"],"host_organization_lineage_names":["Medicina Oral S.L."],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Clinical and Experimental Dentistry","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.4317/jced.51813","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5112496767","display_name":"CD. Sequeira","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"CD. Sequeira","raw_affiliation_strings":["Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012933790","display_name":"Alexandra Teixeira","orcid":"https://orcid.org/0000-0003-0029-6721","observed_orcids":["https://orcid.org/0000-0003-0029-6721"]},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"A. Teixeira","raw_affiliation_strings":["Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021526373","display_name":"In\u00eas Morais Caldas","orcid":"https://orcid.org/0000-0003-0706-3242","observed_orcids":["https://orcid.org/0000-0003-0706-3242"]},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"IM. Caldas","raw_affiliation_strings":["CENCIFOR -Center of Forensic Sciences, Portugal. Associa\u00e7\u00e3o Centro de Ci\u00eancias Forenses. Coimbra, Portugal","Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CENCIFOR -Center of Forensic Sciences, Portugal. Associa\u00e7\u00e3o Centro de Ci\u00eancias Forenses. Coimbra, Portugal","institution_ids":[]},{"raw_affiliation_string":"Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060722971","display_name":"Am\u00e9rico Afonso","orcid":"https://orcid.org/0000-0001-7579-1407","observed_orcids":["https://orcid.org/0000-0001-7579-1407"]},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"A. Afonso","raw_affiliation_strings":["Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal ; CENCIFOR - Center of Forensic Sciences, Portugal. Associa\u00e7\u00e3o Centro de Ci\u00eancias Forenses. Coimbra, Portugal","CENCIFOR -Center of Forensic Sciences, Portugal. Associa\u00e7\u00e3o Centro de Ci\u00eancias Forenses. Coimbra, Portugal","Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal ; CENCIFOR - Center of Forensic Sciences, Portugal. Associa\u00e7\u00e3o Centro de Ci\u00eancias Forenses. Coimbra, Portugal","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"CENCIFOR -Center of Forensic Sciences, Portugal. Associa\u00e7\u00e3o Centro de Ci\u00eancias Forenses. Coimbra, Portugal","institution_ids":[]},{"raw_affiliation_string":"Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054394253","display_name":"Daniel P\u00e9rez\u2010Mongiovi","orcid":"https://orcid.org/0000-0002-1048-8789","observed_orcids":["https://orcid.org/0000-0002-1048-8789"]},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"D. Perez-Mongiovi","raw_affiliation_strings":["Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Medicina Dent\u00e1ria da Universidade do Porto. Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5021526373"],"corresponding_institution_ids":["https://openalex.org/I182534213"],"apc_list":null,"apc_paid":null,"fwci":11.222,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.9755553,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"6","issue":"5","first_page":"e546","last_page":"e550"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10992","display_name":"Forensic Anthropology and Bioarchaeology Studies","score":0.9990000128746033,"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":0.9990000128746033,"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":0.000699999975040555,"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/forensic-age-estimation","display_name":"forensic age estimation","score":0.9480000138282776},{"id":"https://openalex.org/keywords/third-molar","display_name":"third molar","score":0.7910000085830688},{"id":"https://openalex.org/keywords/panoramic-radiography","display_name":"panoramic radiography","score":0.7210000157356262},{"id":"https://openalex.org/keywords/tooth-development","display_name":"tooth development","score":0.46399998664855957},{"id":"https://openalex.org/keywords/sex-differences","display_name":"sex differences","score":0.5350000262260437},{"id":"https://openalex.org/keywords/portuguese-population","display_name":"Portuguese population","score":0.7070000171661377}],"concepts":[{"id":"https://openalex.org/C41868710","wikidata":"https://www.wikidata.org/wiki/Q540092","display_name":"Periodontal fiber","level":2,"score":0.9012887477874756},{"id":"https://openalex.org/C202271784","wikidata":"https://www.wikidata.org/wiki/Q189218","display_name":"Molar","level":2,"score":0.7703043222427368},{"id":"https://openalex.org/C35219183","wikidata":"https://www.wikidata.org/wiki/Q5146","display_name":"Portuguese","level":2,"score":0.6187127232551575},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.5935820937156677},{"id":"https://openalex.org/C2779753412","wikidata":"https://www.wikidata.org/wiki/Q39888","display_name":"Ligament","level":2,"score":0.5831940770149231},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5513935089111328},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5319578647613525},{"id":"https://openalex.org/C29694066","wikidata":"https://www.wikidata.org/wiki/Q118301","display_name":"Orthodontics","level":1,"score":0.4768289625644684},{"id":"https://openalex.org/C2775857956","wikidata":"https://www.wikidata.org/wiki/Q1437164","display_name":"Forensic dentistry","level":2,"score":0.4508247375488281},{"id":"https://openalex.org/C73753567","wikidata":"https://www.wikidata.org/wiki/Q4348754","display_name":"Mandibular second molar","level":3,"score":0.4156433343887329},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.20100989937782288},{"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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.4317/jced.51813","doi":"https://doi.org/10.4317/jced.51813","is_oa":true,"landing_page_url":"https://doi.org/10.4317/jced.51813","pdf_url":"https://doi.org/10.4317/jced.51813","source":{"id":"https://openalex.org/S135733525","display_name":"Journal of Clinical and Experimental Dentistry","issn_l":"1989-5488","issn":["1989-5488"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310321621","host_organization_name":"Medicina Oral S.L.","host_organization_lineage":["https://openalex.org/P4310321621"],"host_organization_lineage_names":["Medicina Oral S.L."],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Clinical and Experimental Dentistry","raw_type":"journal-article"},{"id":"pmh:oai:europepmc.org:3289730","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4312684","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:4312684","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4312684","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"J Clin Exp Dent","raw_type":"Text"},{"id":"pmid:25674324","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/25674324","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":"Journal of clinical and experimental dentistry","raw_type":"Journal Article"},{"id":"pmh:oai:roderic.uv.es:10550/41311","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10550/41311","pdf_url":null,"source":{"id":"https://openalex.org/S4306400245","display_name":"Repository of Digital Objects for Teaching Research and Culture (University of Valencia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I16097986","host_organization_name":"Universitat de Val\u00e8ncia","host_organization_lineage":["https://openalex.org/I16097986"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"}],"best_oa_location":{"id":"doi:10.4317/jced.51813","doi":"https://doi.org/10.4317/jced.51813","is_oa":true,"landing_page_url":"https://doi.org/10.4317/jced.51813","pdf_url":"https://doi.org/10.4317/jced.51813","source":{"id":"https://openalex.org/S135733525","display_name":"Journal of Clinical and Experimental Dentistry","issn_l":"1989-5488","issn":["1989-5488"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310321621","host_organization_name":"Medicina Oral S.L.","host_organization_lineage":["https://openalex.org/P4310321621"],"host_organization_lineage_names":["Medicina Oral S.L."],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Clinical and Experimental Dentistry","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.8199999928474426,"display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2139573189.pdf","grobid_xml":"https://content.openalex.org/works/W2139573189.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W38503488","https://openalex.org/W1520886518","https://openalex.org/W1918246613","https://openalex.org/W1980926143","https://openalex.org/W1991830043","https://openalex.org/W1999965121","https://openalex.org/W2008966390","https://openalex.org/W2009079455","https://openalex.org/W2015195585","https://openalex.org/W2019718928","https://openalex.org/W2022947324","https://openalex.org/W2029631157","https://openalex.org/W2035734190","https://openalex.org/W2042208272","https://openalex.org/W2055669871","https://openalex.org/W2069418702","https://openalex.org/W2084986312","https://openalex.org/W2098385736","https://openalex.org/W2142582587"],"related_works":["https://openalex.org/W3170911355","https://openalex.org/W2009079455","https://openalex.org/W3003651776","https://openalex.org/W7131083176","https://openalex.org/W2064944700","https://openalex.org/W7162568950","https://openalex.org/W2982425695","https://openalex.org/W2595703999","https://openalex.org/W7097722148","https://openalex.org/W2995513365"],"abstract_inverted_index":{"OBJECTIVES:":[0],"The":[1,48,60,149],"mineralization":[2],"of":[3,13,21,38,43,50,62,70,92,96,116,124,126,130,155],"third":[4,87,133,228],"molars":[5,134],"has":[6,54],"been":[7,55],"used":[8,172,216],"repeatedly":[9],"as":[10],"a":[11,74,90,106,159,176],"method":[12],"forensic":[14,224],"age":[15,25,145,152,198,226],"estimation.":[16],"However,":[17],"this":[18,58,63,71,166,219],"procedure":[19],"is":[20,33,46,179],"little":[22],"use":[23],"beyond":[24],"18,":[26],"especially":[27],"to":[28,66,99,103,111,173],"determinate":[29],"if":[30],"an":[31],"individual":[32],"older":[34],"than":[35],"21":[36,181],"years":[37],"age;":[39],"thus,":[40],"the":[41,51,68,85,121,127],"development":[42],"new":[44],"approaches":[45],"essential.":[47],"visibility":[49,81],"periodontal":[52,128,156,230],"ligament":[53,80,129,157],"suggested":[56],"for":[57,162,183,196],"purpose.":[59],"aim":[61],"work":[64],"was":[65,82,135],"determine":[67],"usefulness":[69],"methodology":[72],"in":[73,84,202],"Portuguese":[75,107],"population.":[76],"STUDY":[77],"DESIGN:":[78],"Periodontal":[79],"assessed":[83],"lower":[86],"molars,":[88],"using":[89],"sample":[91],"487":[93],"orthopantomograms,":[94],"228":[95],"which":[97],"belonging":[98],"females":[100],"and":[101,143,153],"259":[102],"males,":[104],"from":[105],"population":[108,212],"aged":[109],"17":[110],"31":[112],"years.":[113],"A":[114],"classification":[115],"four":[117],"stages":[118],"based":[119],"on":[120],"visual":[122],"phenomenon":[123],"disappearance":[125],"fully":[131],"mineralized":[132],"used.":[136,189],"For":[137],"each":[138],"stage,":[139],"median,":[140],"variance,":[141],"minimal":[142],"maximal":[144],"were":[146],"assessed.":[147],"RESULTS:":[148],"relationship":[150],"between":[151,205],"stage":[154,168],"had":[158],"statistical":[160],"significance":[161],"both":[163],"sexes.":[164],"In":[165],"population,":[167],"3":[169],"can":[170,193],"be":[171,188,194,215],"state":[174],"that":[175,210],"male":[177],"person":[178],"over":[180,199],"years-old;":[182],"females,":[184],"another":[185],"marker":[186],"should":[187,214],"CONCLUSIONS:":[190],"This":[191],"technique":[192],"useful":[195],"determining":[197],"21,":[200],"particularly":[201],"males.":[203],"Differences":[204],"studies":[206],"are":[207],"evident,":[208],"suggesting":[209],"specific":[211],"standards":[213],"when":[217],"applying":[218],"technique.":[220],"Key":[221],"words:Forensic":[222],"sciences,":[223],"odontology,":[225],"estimation,":[227],"molar,":[229],"ligament.":[231]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}