Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1985247395', 'doi': 'https://doi.org/10.3109/00016357709019797', 'title': 'The effect of early loss of primary molars on tooth eruption and space conditions A longitudinal study', 'display_name': 'The effect of early loss of primary molars on tooth eruption and space conditions A longitudinal study', 'publication_year': 1977, 'publication_date': '1977-01-01', 'ids': {'openalex': 'https://openalex.org/W1985247395', 'doi': 'https://doi.org/10.3109/00016357709019797', 'mag': '1985247395', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/270272'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.3109/00016357709019797', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S42091764', 'display_name': 'Acta Odontologica Scandinavica', 'issn_l': '0001-6357', 'issn': ['0001-6357', '1502-3850'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320449', 'host_organization_name': 'Informa', 'host_organization_lineage': ['https://openalex.org/P4310320449'], 'host_organization_lineage_names': ['Informa'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5063229967', 'display_name': 'A Rönnerman', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I881427289', 'display_name': 'University of Gothenburg', 'ror': 'https://ror.org/01tm6cn81', 'country_code': 'SE', 'type': 'education', 'lineage': ['https://openalex.org/I881427289']}], 'countries': ['SE'], 'is_corresponding': True, 'raw_author_name': 'Assar Rönnerman', 'raw_affiliation_strings': ['Department of Orthodontics, University of Göteborg, Sweden'], 'affiliations': [{'raw_affiliation_string': 'Department of Orthodontics, University of Göteborg, Sweden', 'institution_ids': ['https://openalex.org/I881427289']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5063229967'], 'corresponding_institution_ids': ['https://openalex.org/I881427289'], 'apc_list': None, 'apc_paid': None, 'fwci': 1.228, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 69, 'citation_normalized_percentile': {'value': 0.923001, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 95, 'max': 96}, 'biblio': {'volume': '35', 'issue': '5', 'first_page': '229', 'last_page': '239'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10368', 'display_name': 'Dental Health and Care Utilization', 'score': 0.9956, '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'}}, 'topics': [{'id': 'https://openalex.org/T10368', 'display_name': 'Dental Health and Care Utilization', 'score': 0.9956, '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/T12367', 'display_name': 'Dental Trauma and Treatments', 'score': 0.9863, 'subfield': {'id': 'https://openalex.org/subfields/3604', 'display_name': 'Emergency Medical Services'}, '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/T11919', 'display_name': 'dental development and anomalies', 'score': 0.9845, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/tooth-eruption', 'display_name': 'Tooth eruption', 'score': 0.625195}, {'id': 'https://openalex.org/keywords/crowding', 'display_name': 'Crowding', 'score': 0.48356387}], 'concepts': [{'id': 'https://openalex.org/C202271784', 'wikidata': 'https://www.wikidata.org/wiki/Q189218', 'display_name': 'Molar', 'level': 2, 'score': 0.9287921}, {'id': 'https://openalex.org/C2778400979', 'wikidata': 'https://www.wikidata.org/wiki/Q143720', 'display_name': 'Crown (dentistry)', 'level': 2, 'score': 0.6967323}, {'id': 'https://openalex.org/C199343813', 'wikidata': 'https://www.wikidata.org/wiki/Q12128', 'display_name': 'Dentistry', 'level': 1, 'score': 0.6586562}, {'id': 'https://openalex.org/C2775832897', 'wikidata': 'https://www.wikidata.org/wiki/Q15178060', 'display_name': 'Tooth eruption', 'level': 3, 'score': 0.625195}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.6041677}, {'id': 'https://openalex.org/C73753567', 'wikidata': 'https://www.wikidata.org/wiki/Q4348754', 'display_name': 'Mandibular second molar', 'level': 3, 'score': 0.5666322}, {'id': 'https://openalex.org/C29694066', 'wikidata': 'https://www.wikidata.org/wiki/Q118301', 'display_name': 'Orthodontics', 'level': 1, 'score': 0.51384646}, {'id': 'https://openalex.org/C62836269', 'wikidata': 'https://www.wikidata.org/wiki/Q11136426', 'display_name': 'Mandibular first molar', 'level': 3, 'score': 0.49270633}, {'id': 'https://openalex.org/C149333683', 'wikidata': 'https://www.wikidata.org/wiki/Q5189188', 'display_name': 'Crowding', 'level': 2, 'score': 0.48356387}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.085469365}, {'id': 'https://openalex.org/C169760540', 'wikidata': 'https://www.wikidata.org/wiki/Q207011', 'display_name': 'Neuroscience', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D008963', 'descriptor_name': 'Molar', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D014078', 'descriptor_name': 'Tooth Eruption', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D014081', 'descriptor_name': 'Tooth Extraction', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D014094', 'descriptor_name': 'Tooth, Deciduous', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000293', 'descriptor_name': 'Adolescent', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002648', 'descriptor_name': 'Child', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003724', 'descriptor_name': 'Dental Arch', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003724', 'descriptor_name': 'Dental Arch', 'qualifier_ui': 'Q000033', 'qualifier_name': 'anatomy & histology', 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007180', 'descriptor_name': 'Incisor', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007180', 'descriptor_name': 'Incisor', 'qualifier_ui': 'Q000254', 'qualifier_name': 'growth & development', 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014070', 'descriptor_name': 'Tooth', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014070', 'descriptor_name': 'Tooth', 'qualifier_ui': 'Q000254', 'qualifier_name': 'growth & development', 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.3109/00016357709019797', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S42091764', 'display_name': 'Acta Odontologica Scandinavica', 'issn_l': '0001-6357', 'issn': ['0001-6357', '1502-3850'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320449', 'host_organization_name': 'Informa', 'host_organization_lineage': ['https://openalex.org/P4310320449'], 'host_organization_lineage_names': ['Informa'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/270272', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 16, 'referenced_works': ['https://openalex.org/W2004525801', 'https://openalex.org/W2030594688', 'https://openalex.org/W2056534116', 'https://openalex.org/W2069611703', 'https://openalex.org/W2083813571', 'https://openalex.org/W2084835678', 'https://openalex.org/W2086425551', 'https://openalex.org/W2098537643', 'https://openalex.org/W2173247728', 'https://openalex.org/W2399849210', 'https://openalex.org/W2400527765', 'https://openalex.org/W2406643187', 'https://openalex.org/W2410948534', 'https://openalex.org/W2415492314', 'https://openalex.org/W2914551447', 'https://openalex.org/W2993740042'], 'related_works': ['https://openalex.org/W879778018', 'https://openalex.org/W4252582216', 'https://openalex.org/W2995658686', 'https://openalex.org/W2977134838', 'https://openalex.org/W2559711849', 'https://openalex.org/W2393069565', 'https://openalex.org/W2353360923', 'https://openalex.org/W2348100391', 'https://openalex.org/W2077730991', 'https://openalex.org/W122390666'], 'abstract_inverted_index': {'In': [0], '186': [1], 'children': [2, 33, 192], 'study': [3], 'casts': [4], 'were': [5, 91], 'made': [6, 31, 149], 'at': [7], 'the': [8, 48, 62, 76, 107, 109, 120, 174, 205], 'age': [9], 'of': [10, 24, 47, 61, 75, 86, 99, 103, 119, 137, 173, 181], '9,': [11], '11': [12], 'and': [13, 27, 35, 55, 69, 134, 195], '13': [14], 'years.': [15], 'The': [16, 88, 123, 161], 'material': [17], 'was': [18, 30, 41, 114, 128, 148], 'grouped': [19], 'according': [20], 'to': [21, 131], 'early': [22, 37, 143, 171], 'loss': [23, 40, 172, 180], 'primary': [25, 50, 64, 80, 176, 182], 'molars': [26, 183], 'a': [28, 117, 129, 146], 'comparison': [29, 147], 'between': [32, 52, 66], 'with': [34, 150, 179], 'without': [36, 142, 193], 'losses.': [38], 'Early': [39], 'defined': [42], 'as': [43, 116], 'follows:': [44], '1.': [45], 'extraction': [46, 60, 74], 'first': [49, 77], 'molar': [51, 65, 81, 164], '7': [53, 67, 83, 185, 198], '1/2': [54, 57, 68, 71, 84, 186, 199], '9': [56], 'years': [58, 85, 187, 200], 'and/or': [59, 78], 'second': [63, 79, 162, 175], '10': [70], 'years;': [72], '2.': [73], 'before': [82, 184], 'age.': [87], 'following': [89], 'variables': [90], 'studied:': [92], 'space': [93], 'conditions,': [94], 'dental': [95, 138], 'stage': [96, 102], 'for': [97], 'groups': [98], 'teeth,': [100], 'eruption': [101, 121, 133], 'single': [104], 'teeth.': [105], 'For': [106], 'incisors': [108], 'clinical': [110], 'crown': [111], 'length': [112], '(CCL)': [113], 'used': [115], 'measure': [118], 'stage.': [122], 'results': [124], 'showed': [125], 'that': [126], 'there': [127], 'tendency': [130], 'later': [132, 135], 'onset': [136], 'stages': [139], 'in': [140, 167], 'cases': [141], 'losses': [144, 194, 196], 'when': [145], 'investigations': [151], 'where': [152], 'this': [153], 'factor': [154], 'had': [155, 201], 'not': [156], 'been': [157], 'taken': [158], 'into': [159], 'consideration.': [160], 'permanent': [163], 'erupted': [165], 'earlier': [166], 'both': [168], 'jaws': [169], 'after': [170, 197], 'molar.': [177], 'Children': [178], 'developed': [188], 'more': [189], 'crowding': [190], 'than': [191], 'little': [202], 'effect': [203], 'on': [204], 'relative': [206], 'space.': [207]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1985247395', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 4}, {'year': 2019, 'cited_by_count': 8}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 4}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2025-01-05T01:46:36.070213', 'created_date': '2016-06-24'}