{"id":"https://openalex.org/W2467652267","doi":"https://doi.org/10.4184/asj.2016.10.3.414","title":"Comparative Analysis of Effect of Density, Insertion Angle and Reinsertion on Pull-Out Strength of Single and Two Pedicle Screw Constructs Using Synthetic Bone Model","display_name":"Comparative Analysis of Effect of Density, Insertion Angle and Reinsertion on Pull-Out Strength of Single and Two Pedicle Screw Constructs Using Synthetic Bone Model","publication_year":2016,"publication_date":"2016-01-01","ids":{"openalex":"https://openalex.org/W2467652267","doi":"https://doi.org/10.4184/asj.2016.10.3.414","mag":"2467652267","pmid":"https://pubmed.ncbi.nlm.nih.gov/27340518","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/4917757"},"language":"en","primary_location":{"id":"doi:10.4184/asj.2016.10.3.414","doi":"https://doi.org/10.4184/asj.2016.10.3.414","is_oa":true,"landing_page_url":"https://doi.org/10.4184/asj.2016.10.3.414","pdf_url":"https://www.asianspinejournal.org/upload/pdf/asj-10-414.pdf","source":{"id":"https://openalex.org/S11653694","display_name":"Asian Spine Journal","issn_l":"1976-1902","issn":["1976-1902","1976-7846"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","kci-candidate","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319473","host_organization_name":"Korean Spine Society","host_organization_lineage":["https://openalex.org/P4310319473"],"host_organization_lineage_names":["Korean Spine Society"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asian Spine Journal","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://www.asianspinejournal.org/upload/pdf/asj-10-414.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5119697697","display_name":"Venkatesh Krishnan","orcid":"https://orcid.org/0000-0002-3265-4522","observed_orcids":["https://orcid.org/0000-0002-3265-4522"]},"institutions":[{"id":"https://openalex.org/I172917736","display_name":"Christian Medical College, Vellore","ror":"https://ror.org/00c7kvd80","country_code":"IN","type":"education","lineage":["https://openalex.org/I172917736"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Venkatesh Krishnan","raw_affiliation_strings":["Spinal Disorders Surgery Unit, Department of Orthopedics, Christian Medical College, Vellore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Spinal Disorders Surgery Unit, Department of Orthopedics, Christian Medical College, Vellore, India","institution_ids":["https://openalex.org/I172917736"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078465731","display_name":"Vicky Varghese","orcid":"https://orcid.org/0000-0003-1025-3370","observed_orcids":["https://orcid.org/0000-0003-1025-3370"]},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"education","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vicky Varghese","raw_affiliation_strings":["Department of Biotechnology, Indian Institute of Technology Madras, Chennai, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biotechnology, Indian Institute of Technology Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089956347","display_name":"Gurunathan Saravana Kumar","orcid":"https://orcid.org/0000-0001-5549-3170","observed_orcids":["https://orcid.org/0000-0001-5549-3170"]},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"education","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gurunathan Saravana Kumar","raw_affiliation_strings":["Department of Engineering Design, Indian Institute of Technology Madras, Chennai, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering Design, Indian Institute of Technology Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5119697697"],"corresponding_institution_ids":["https://openalex.org/I172917736"],"apc_list":null,"apc_paid":null,"fwci":3.276,"has_fulltext":true,"cited_by_count":28,"citation_normalized_percentile":{"value":0.9140183,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"10","issue":"3","first_page":"414","last_page":"414"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10776","display_name":"Spinal Fractures and Fixation Techniques","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10776","display_name":"Spinal Fractures and Fixation Techniques","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11030","display_name":"Scoliosis diagnosis and treatment","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10658","display_name":"Bone fractures and treatments","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pedicle-screw","display_name":"pedicle screw","score":0.8379999995231628},{"id":"https://openalex.org/keywords/pullout-strength","display_name":"pull-out strength","score":0.9959999918937683},{"id":"https://openalex.org/keywords/bone-mineral-density","display_name":"bone mineral density","score":0.8029999732971191},{"id":"https://openalex.org/keywords/insertion-angle","display_name":"insertion angle","score":0.9679999947547913},{"id":"https://openalex.org/keywords/reinsertion","display_name":"reinsertion","score":0.9139999747276306},{"id":"https://openalex.org/keywords/osteoporotic-bone","display_name":"osteoporotic bone","score":0.9039999842643738},{"id":"https://openalex.org/keywords/spinal-fusion","display_name":"spinal fusion","score":0.6159999966621399},{"id":"https://openalex.org/keywords/polyaxial-pedicle-screws","display_name":"polyaxial pedicle screws","score":0.7749999761581421},{"id":"https://openalex.org/keywords/synthetic-bone-model","display_name":"synthetic bone model","score":0.800000011920929}],"concepts":[{"id":"https://openalex.org/C29694066","wikidata":"https://www.wikidata.org/wiki/Q118301","display_name":"Orthodontics","level":1,"score":0.5140644311904907},{"id":"https://openalex.org/C2779329777","wikidata":"https://www.wikidata.org/wiki/Q2304401","display_name":"Bone density","level":3,"score":0.4630672037601471},{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.46257713437080383},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4558379650115967},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3560420274734497},{"id":"https://openalex.org/C2776541429","wikidata":"https://www.wikidata.org/wiki/Q165328","display_name":"Osteoporosis","level":2,"score":0.2699436545372009},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1732223629951477},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.11929666996002197},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.4184/asj.2016.10.3.414","doi":"https://doi.org/10.4184/asj.2016.10.3.414","is_oa":true,"landing_page_url":"https://doi.org/10.4184/asj.2016.10.3.414","pdf_url":"https://www.asianspinejournal.org/upload/pdf/asj-10-414.pdf","source":{"id":"https://openalex.org/S11653694","display_name":"Asian Spine Journal","issn_l":"1976-1902","issn":["1976-1902","1976-7846"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","kci-candidate","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319473","host_organization_name":"Korean Spine Society","host_organization_lineage":["https://openalex.org/P4310319473"],"host_organization_lineage_names":["Korean Spine Society"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asian Spine Journal","raw_type":"journal-article"},{"id":"pmh:oai:europepmc.org:3882729","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4917757","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-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},{"id":"pmid:27340518","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/27340518","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":"Asian spine journal","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:4917757","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4917757/","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-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asian Spine J","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:a18aab4b716e415c8f4951e05ffe159e","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/a18aab4b716e415c8f4951e05ffe159e","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Asian Spine Journal, Vol 10, Iss 3, Pp 414-421 (2016)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.4184/asj.2016.10.3.414","doi":"https://doi.org/10.4184/asj.2016.10.3.414","is_oa":true,"landing_page_url":"https://doi.org/10.4184/asj.2016.10.3.414","pdf_url":"https://www.asianspinejournal.org/upload/pdf/asj-10-414.pdf","source":{"id":"https://openalex.org/S11653694","display_name":"Asian Spine Journal","issn_l":"1976-1902","issn":["1976-1902","1976-7846"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","kci-candidate","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319473","host_organization_name":"Korean Spine Society","host_organization_lineage":["https://openalex.org/P4310319473"],"host_organization_lineage_names":["Korean Spine Society"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asian Spine Journal","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8048999905586243,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2467652267.pdf","grobid_xml":"https://content.openalex.org/works/W2467652267.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W1973789130","https://openalex.org/W1980519706","https://openalex.org/W2009008451","https://openalex.org/W2017894015","https://openalex.org/W2025765018","https://openalex.org/W2031566062","https://openalex.org/W2039389996","https://openalex.org/W2079673775","https://openalex.org/W2082299945","https://openalex.org/W2093023303","https://openalex.org/W2113192530","https://openalex.org/W2114573056","https://openalex.org/W2119106657","https://openalex.org/W2130479130","https://openalex.org/W2134136356","https://openalex.org/W2139962759","https://openalex.org/W2160855647","https://openalex.org/W2164644570","https://openalex.org/W2166876512","https://openalex.org/W2287532183","https://openalex.org/W2314510930","https://openalex.org/W2316358137","https://openalex.org/W2335006811","https://openalex.org/W2483479423"],"related_works":["https://openalex.org/W2560342581","https://openalex.org/W1534669759","https://openalex.org/W2422225381","https://openalex.org/W2164644570","https://openalex.org/W2139962759","https://openalex.org/W2583519954","https://openalex.org/W4388460557","https://openalex.org/W2530680024","https://openalex.org/W2911631958","https://openalex.org/W2883562703"],"abstract_inverted_index":{"STUDY":[0],"DESIGN:":[1],"Biomechanical":[2],"study.":[3],"PURPOSE:":[4],"To":[5],"determine":[6],"the":[7,55,67,101,118,123,156,169,174,178,206,263],"effect":[8,102,202,258],"of":[9,18,52,103,216,222],"density,":[10,104],"insertion":[11,105],"angle":[12,106],"and":[13,23,42,77,92,107,129,141,227,240],"reinsertion":[14,108,195,201],"on":[15,96,219,259],"pull-out":[16,32,80,124,136,164,180,191,236,260],"strength":[17,81,125,137,181,192,237,261],"pedicle":[19,112,223],"screw":[20,31,37,57,76,79,131,140,143,171,176,198,208,224,242,265],"in":[21,48,71,126,135,145,155,173,190,196,205,214,235,262],"single":[22,36,56,128,139,170,197,226,239],"two":[24,40,78,130,142,175,207,241,264],"screw-rod":[25],"configurations.":[26],"OVERVIEW":[27],"OF":[28],"LITERATURE:":[29],"Pedicle":[30],"studies":[33],"have":[34],"involved":[35],"construct,":[38],"whereas":[39,154],"screws":[41],"rod":[43,266],"constructs":[44,243],"are":[45],"always":[46],"used":[47],"spine":[49],"fusions.":[50],"Extrapolation":[51],"results":[53],"using":[54,62,109],"construct":[58],"may":[59],"lead":[60],"to":[61,87,99,194,251],"expensive":[63],"implants":[64],"or":[65],"increasing":[66],"fusion":[68],"levels":[69],"specifically":[70],"osteoporotic":[72,147,247],"bones.":[73],"METHODS:":[74],"Single":[75],"tests":[82],"were":[83],"carried":[84],"out":[85],"according":[86],"American":[88],"Society":[89],"for":[90,168,246],"Testing":[91],"Materials":[93],"F":[94],"543-07":[95],"foam":[97],"models":[98],"test":[100],"poly":[110],"axial":[111],"screws.":[113],"RESULTS:":[114],"Bone":[115],"density":[116],"was":[117,152,161,166,182,186,203],"most":[119],"significant":[120,212,257],"factor":[121],"deciding":[122],"both":[127],"constructs.":[132],"The":[133,200,232],"difference":[134,213],"between":[138,225,238],"configurations":[144,229],"extremely":[146],"bone":[148,158,248],"model":[149,159],"(80":[150],"kg/m(3))":[151],"78%,":[153],"normal":[157,252],"it":[160],"48%.":[162],"Axial":[163],"value":[165],"highest":[167,179],"configuration;":[172],"configuration":[177],"at":[183],"10\u00b0-15\u00b0.":[184],"There":[185],"an":[187],"18%":[188],"reduction":[189],"due":[193],"configuration.":[199,209,267],"insignificant":[204],"CONCLUSIONS:":[210],"A":[211],"response":[215],"various":[217],"factors":[218],"holding":[220],"power":[221],"two-screw":[228],"is":[230,244],"evident.":[231],"percentage":[233],"increase":[234],"higher":[245],"when":[249],"compared":[250],"bone.":[253],"Reinsertion":[254],"has":[255],"no":[256]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-07-22T00:00:00"}
