{"id":"https://openalex.org/A5110091008","orcid":null,"observed_orcids":[],"display_name":"Matti Rajala","raw_author_names":["MATTI RAJALA","MATTI RAJAL\u00c4","Matti Rajala"],"full_name":"Matti Rajala","works_count":28,"cited_by_count":305,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":10},"ids":{"openalex":"https://openalex.org/A5110091008","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I133731052","ror":"https://ror.org/040af2s02","display_name":"University of Helsinki","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I155660961","ror":"https://ror.org/05vghhr25","display_name":"University of Turku","country_code":"FI","type":"education","lineage":["https://openalex.org/I155660961"]},"years":[1984,1983]},{"institution":{"id":"https://openalex.org/I175532246","ror":"https://ror.org/00cyydd11","display_name":"University of Eastern Finland","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]},"years":[1985,1984,1983,1982,1981,1980,1979,1978]},{"institution":{"id":"https://openalex.org/I2800387288","ror":"https://ror.org/00k4n6c32","display_name":"European Commission","country_code":"BE","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288"]},"years":[1998]}],"last_known_institutions":[{"id":"https://openalex.org/I2800387288","ror":"https://ror.org/00k4n6c32","display_name":"European Commission","country_code":"BE","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288"]}],"topics":[{"id":"https://openalex.org/T10368","display_name":"Dental Health and Care Utilization","count":19,"subfield":{"id":"https://openalex.org/subfields/3506","display_name":"Periodontics"},"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/T10257","display_name":"Oral microbiology and periodontitis research","count":12,"subfield":{"id":"https://openalex.org/subfields/3506","display_name":"Periodontics"},"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/T13457","display_name":"Dental Education, Practice, Research","count":9,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12041","display_name":"Public Health Policies and Education","count":5,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10113","display_name":"Dental materials and restorations","count":3,"subfield":{"id":"https://openalex.org/subfields/3505","display_name":"Orthodontics"},"field":{"id":"https://openalex.org/fields/35","display_name":"Dentistry"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13457","display_name":"Dental Education, Practice, Research","value":5.84e-05,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10368","display_name":"Dental Health and Care Utilization","value":4.8e-05,"subfield":{"id":"https://openalex.org/subfields/3506","display_name":"Periodontics"},"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/T10257","display_name":"Oral microbiology and periodontitis research","value":2.74e-05,"subfield":{"id":"https://openalex.org/subfields/3506","display_name":"Periodontics"},"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/T14393","display_name":"Health, Environment, Cognitive Aging","value":1.76e-05,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12041","display_name":"Public Health Policies and Education","value":1.67e-05,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9681997895240784},{"id":"199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","score":0.7693270444869995},{"id":"2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","score":0.5476677417755127},{"id":"99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","score":0.5432407259941101},{"id":"144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","score":0.3693004250526428}],"counts_by_year":[{"year":1974,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":1980,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":3}],"display_name_alternatives":["MATTI RAJALA","MATTI RAJAL\u00c4","Matti Rajala"],"block_key":"m rajala","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110091008","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}