{"id":"https://openalex.org/W2895337722","doi":"https://doi.org/10.5603/fm.a2018.0092","title":"Prevalence of second canal in the mesiobuccal root of permanent maxillary molars from a Turkish subpopulation: a cone-beam computed tomography study","display_name":"Prevalence of second canal in the mesiobuccal root of permanent maxillary molars from a Turkish subpopulation: a cone-beam computed tomography study","publication_year":2018,"publication_date":"2018-10-09","ids":{"openalex":"https://openalex.org/W2895337722","doi":"https://doi.org/10.5603/fm.a2018.0092","mag":"2895337722","pmid":"https://pubmed.ncbi.nlm.nih.gov/30299533"},"language":"en","primary_location":{"id":"doi:10.5603/fm.a2018.0092","doi":"https://doi.org/10.5603/fm.a2018.0092","is_oa":true,"landing_page_url":"https://doi.org/10.5603/fm.a2018.0092","pdf_url":"https://journals.viamedica.pl/folia_morphologica/article/download/FM.a2018.0092/45651","source":{"id":"https://openalex.org/S187689108","display_name":"Folia Morphologica","issn_l":"0015-5659","issn":["0015-5659","1644-3284"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","medline","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320293","host_organization_name":"Via Medica","host_organization_lineage":["https://openalex.org/P4310320293"],"host_organization_lineage_names":["Via Medica"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Folia Morphologica","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://journals.viamedica.pl/folia_morphologica/article/download/FM.a2018.0092/45651","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038619839","display_name":"G\u00fcldane Ma\u011fat","orcid":"https://orcid.org/0000-0003-4418-174X","observed_orcids":["https://orcid.org/0000-0003-4418-174X"]},"institutions":[{"id":"https://openalex.org/I4210107659","display_name":"Necmettin Erbakan University","ror":"https://ror.org/013s3zh21","country_code":"TR","type":"education","lineage":["https://openalex.org/I4210107659"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"G. Magat","raw_affiliation_strings":["Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey. gul_dent@hotmail.com","Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey. gul_dent@hotmail.com","institution_ids":["https://openalex.org/I4210107659"]},{"raw_affiliation_string":"Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey","institution_ids":["https://openalex.org/I4210107659"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031071295","display_name":"Sel\u00e7uk Hakbilen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107659","display_name":"Necmettin Erbakan University","ror":"https://ror.org/013s3zh21","country_code":"TR","type":"education","lineage":["https://openalex.org/I4210107659"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"S. Hakbilen","raw_affiliation_strings":["Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey","institution_ids":["https://openalex.org/I4210107659"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210107659"],"apc_list":null,"apc_paid":null,"fwci":2.6599,"has_fulltext":true,"cited_by_count":20,"citation_normalized_percentile":{"value":0.88892439,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"78","issue":"2","first_page":"351","last_page":"358"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10536","display_name":"Endodontics and Root Canal Treatments","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T10536","display_name":"Endodontics and Root Canal Treatments","score":0.9984999895095825,"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/T11363","display_name":"Dental Radiography and Imaging","score":0.0010999999940395355,"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/T10113","display_name":"Dental materials and restorations","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3500","display_name":"General Dentistry"},"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/second-mesiobuccal-canal","display_name":"second mesiobuccal canal","score":0.8059999942779541},{"id":"https://openalex.org/keywords/mb2-canal","display_name":"MB2 canal","score":0.8289999961853027},{"id":"https://openalex.org/keywords/mesiobuccal-root","display_name":"mesiobuccal root","score":0.8309999704360962},{"id":"https://openalex.org/keywords/root-canal-morphology","display_name":"root canal anatomy","score":0.871999979019165},{"id":"https://openalex.org/keywords/age-and-sex-differences","display_name":"age and sex differences","score":0.6510000228881836},{"id":"https://openalex.org/keywords/turkish-population","display_name":"Turkish population","score":0.6830000281333923},{"id":"https://openalex.org/keywords/cone-beam-computed-tomography","display_name":"cone-beam computed tomography","score":0.7990000247955322}],"concepts":[{"id":"https://openalex.org/C202271784","wikidata":"https://www.wikidata.org/wiki/Q189218","display_name":"Molar","level":2,"score":0.8691256046295166},{"id":"https://openalex.org/C2779813781","wikidata":"https://www.wikidata.org/wiki/Q1224951","display_name":"Cone beam computed tomography","level":3,"score":0.7297660112380981},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.6400891542434692},{"id":"https://openalex.org/C2780639617","wikidata":"https://www.wikidata.org/wiki/Q6516972","display_name":"Quadrant (abdomen)","level":2,"score":0.6340059638023376},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.6185687184333801},{"id":"https://openalex.org/C29694066","wikidata":"https://www.wikidata.org/wiki/Q118301","display_name":"Orthodontics","level":1,"score":0.5072707533836365},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.44373178482055664},{"id":"https://openalex.org/C2779747767","wikidata":"https://www.wikidata.org/wiki/Q848390","display_name":"Root canal","level":2,"score":0.424147367477417},{"id":"https://openalex.org/C2780579991","wikidata":"https://www.wikidata.org/wiki/Q11136026","display_name":"Maxillary first molar","level":3,"score":0.42224055528640747},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.11584368348121643}],"mesh":[{"descriptor_ui":"D003786","descriptor_name":"Dental Pulp Cavity","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D003786","descriptor_name":"Dental Pulp Cavity","qualifier_ui":"Q000002","qualifier_name":"abnormalities","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","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":"D008437","descriptor_name":"Maxilla","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D008963","descriptor_name":"Molar","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014421","descriptor_name":"Turkey","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015995","descriptor_name":"Prevalence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D054893","descriptor_name":"Cone-Beam Computed Tomography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.5603/fm.a2018.0092","doi":"https://doi.org/10.5603/fm.a2018.0092","is_oa":true,"landing_page_url":"https://doi.org/10.5603/fm.a2018.0092","pdf_url":"https://journals.viamedica.pl/folia_morphologica/article/download/FM.a2018.0092/45651","source":{"id":"https://openalex.org/S187689108","display_name":"Folia Morphologica","issn_l":"0015-5659","issn":["0015-5659","1644-3284"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","medline","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320293","host_organization_name":"Via Medica","host_organization_lineage":["https://openalex.org/P4310320293"],"host_organization_lineage_names":["Via Medica"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Folia Morphologica","raw_type":"journal-article"},{"id":"pmid:30299533","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30299533","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":"Folia morphologica","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.5603/fm.a2018.0092","doi":"https://doi.org/10.5603/fm.a2018.0092","is_oa":true,"landing_page_url":"https://doi.org/10.5603/fm.a2018.0092","pdf_url":"https://journals.viamedica.pl/folia_morphologica/article/download/FM.a2018.0092/45651","source":{"id":"https://openalex.org/S187689108","display_name":"Folia Morphologica","issn_l":"0015-5659","issn":["0015-5659","1644-3284"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","medline","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320293","host_organization_name":"Via Medica","host_organization_lineage":["https://openalex.org/P4310320293"],"host_organization_lineage_names":["Via Medica"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Folia Morphologica","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8560000061988831,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2895337722.pdf","grobid_xml":"https://content.openalex.org/works/W2895337722.grobid-xml"},"referenced_works_count":57,"referenced_works":["https://openalex.org/W103419272","https://openalex.org/W1194652305","https://openalex.org/W1481140180","https://openalex.org/W1798007554","https://openalex.org/W1919813916","https://openalex.org/W1964678642","https://openalex.org/W1969128869","https://openalex.org/W1972822261","https://openalex.org/W1974368555","https://openalex.org/W1976448443","https://openalex.org/W1978641556","https://openalex.org/W1986710003","https://openalex.org/W1992435172","https://openalex.org/W1994244916","https://openalex.org/W1998578391","https://openalex.org/W2002255592","https://openalex.org/W2018403894","https://openalex.org/W2020719033","https://openalex.org/W2024433766","https://openalex.org/W2024648707","https://openalex.org/W2026838088","https://openalex.org/W2056763431","https://openalex.org/W2057928865","https://openalex.org/W2062011989","https://openalex.org/W2063462668","https://openalex.org/W2067004529","https://openalex.org/W2073491159","https://openalex.org/W2074728916","https://openalex.org/W2079806702","https://openalex.org/W2080368875","https://openalex.org/W2092400609","https://openalex.org/W2093768776","https://openalex.org/W2115867233","https://openalex.org/W2118557794","https://openalex.org/W2119868527","https://openalex.org/W2131157678","https://openalex.org/W2136794180","https://openalex.org/W2137610731","https://openalex.org/W2140123371","https://openalex.org/W2140417621","https://openalex.org/W2144253465","https://openalex.org/W2144882782","https://openalex.org/W2148993254","https://openalex.org/W2155417039","https://openalex.org/W2294067890","https://openalex.org/W2302152834","https://openalex.org/W2407568695","https://openalex.org/W2474667988","https://openalex.org/W2557757380","https://openalex.org/W2561943767","https://openalex.org/W2610685621","https://openalex.org/W2762881953","https://openalex.org/W2765988811","https://openalex.org/W2770064767","https://openalex.org/W2775989538","https://openalex.org/W2790383871","https://openalex.org/W2945792041"],"related_works":["https://openalex.org/W4405118859","https://openalex.org/W4309842646","https://openalex.org/W2790383871","https://openalex.org/W2557757380","https://openalex.org/W7117757002","https://openalex.org/W4280542404","https://openalex.org/W4328004701","https://openalex.org/W1194652305","https://openalex.org/W3083897098","https://openalex.org/W2900593537"],"abstract_inverted_index":{"BACKGROUND:":[0],"Permanent":[1],"maxillary":[2,34,65,246],"molar":[3,66],"teeth":[4,67],"have":[5],"the":[6,18,21,29,80,84,89,93,98,102,139,169,189,197,203,212,224,232,236,241,245,255],"most":[7],"complex":[8,259],"root":[9,262],"and":[10,20,45,52,97,134,162,167,179,200,219,248,260],"canal":[11,26,86,95,104,243,263],"systems.":[12],"This":[13],"study":[14],"aimed":[15],"to":[16,88,114,234,257],"determine":[17],"frequency":[19,140],"localisation":[22],"of":[23,32,63,83,92,101,109,138,141,171,188,239],"secondary":[24],"mesiobuccal":[25,30,94],"(MB2)":[27],"in":[28,36,68,118,121,123,136,196,202,211,223,244],"roots":[31],"permanent":[33],"molars":[35,199,205],"a":[37,61],"Turkish":[38],"subpopulation":[39],"using":[40],"cone-beam":[41],"computed":[42],"tomography":[43],"(CBCT)":[44],"compare":[46],"them":[47],"by":[48],"different":[49],"age":[50,132],"groups":[51,133],"gender.":[53],"MATERIALS":[54],"AND":[55],"METHODS:":[56],"In":[57],"this":[58],"retrospective":[59],"study,":[60],"total":[62],"800":[64],"200":[69,124],"subjects":[70],"were":[71,77,151,174],"investigated.":[72],"The":[73,107,146,185,208],"distances":[74,147,173],"between":[75,131,148],"canals":[76,111,191],"calculated":[78],"from":[79],"centre":[81,90,99],"point":[82,91,100],"MB2":[85,110,142,190,242],"(PMB2)":[87],"(PMB1)":[96],"palatal":[103],"(PP).":[105],"RESULTS:":[106],"incidence":[108],"was":[112,129,192,215],"found":[113,130],"be":[115],"33.5%":[116],"(23.2%":[117],"females,":[119],"43.6%":[120],"males)":[122],"subjects.":[125],"A":[126],"significant":[127],"difference":[128],"genders":[135],"terms":[137],"(p":[143],"<":[144],"0.05).":[145],"PMB1-":[149],"-PMB2":[150],"2.95":[152],"\u00b1":[153,157,176,181],"0.58":[154],"mm,":[155,183],"3.08":[156],"0.67":[158],"mm":[159,178],"for":[160,231],"1MM":[161,166],"2MM,":[163,168],"respectively.":[164,184],"For":[165],"averages":[170],"PMB2-PP":[172],"5.81":[175],"1.09":[177,182],"5.55":[180],"contralateral":[186],"formation":[187],"90.5%":[193],"(16,":[194,217],"26)":[195],"first":[198,213,247],"93.9%":[201],"second":[204,225,249],"(17,":[206],"27).":[207],"contingency":[209],"rate":[210],"quadrant":[214],"86.0%":[216],"17)":[218],"83.5%":[220],"(26,":[221],"27)":[222],"quadrant.":[226],"CONCLUSIONS:":[227],"It":[228],"is":[229],"important":[230],"clinician":[233,256],"know":[235],"high":[237],"probability":[238],"finding":[240],"molars.":[250],"CBCT":[251],"imaging":[252],"can":[253],"facilitate":[254],"detect":[258],"variable":[261],"anatomy.":[264]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2018-10-12T00:00:00"}