{"doi":"10.2319/080112-621.1","title":"Effects of bracket design on critical contact angle","abstract":"<jats:title>ABSTRACT</jats:title>\n                  <jats:sec>\n                    <jats:title>Objective:</jats:title>\n                    <jats:p>To explore how the position of the bracket slots relative to the archwire influences the friction between them, and how bracket design affects the critical contact angle (θc).</jats:p>\n                  </jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:</jats:title>\n                    <jats:p>Two kinds of stainless steel archwires (0.016 and 0.019 × 0.025-inch) were tested against four kinds of brackets (Transmission Straight Archwire bracket, Domestic MBT bracket, Tip-Edge Plus bracket, and BioQuick self-ligation bracket) in the dry state. Resistance to sliding (RS) was measured as an increase in contact angle (θ). The value of θc was calculated by two linear regression lines.</jats:p>\n                  </jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:</jats:title>\n                    <jats:p>Friction remained stable when θ &lt; θc, then increased linearly when θ &gt; θc. The θc values of the Tip-Edge Plus bracket and Transmission Straight Archwire bracket were significantly larger than those for the Domestic MBT bracket and BioQuick self-ligation bracket.</jats:p>\n                  </jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:</jats:title>\n                    <jats:p>The relationship between the archwire and bracket slot significantly affects the resistance to sliding. The “edge-off” structure of the Tip-Edge Plus bracket and Transmission Straight Archwire bracket could help to increase the θc value, and to expand the passive configuration range.</jats:p>\n                  </jats:sec>","journal":"The Angle Orthodontist","year":2013,"id":675190,"datarank":0.4493598410330987,"base_score":2.995732273553991,"endowment":2.995732273553991,"self_citation_contribution":0.4493598410330987,"citation_network_contribution":0.0,"self_endowment_contribution":0.4493598410330987,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":19,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":417470,"name":"Peng Ding","orcid":"0009-0006-4426-7833","position":1,"is_corresponding":false},{"id":1764158,"name":"Jiuxiang Lin","orcid":null,"position":2,"is_corresponding":false},{"id":1764157,"name":"Xiaomo Liu","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Effects of bracket design on critical contact angle","abstract":"<jats:title>ABSTRACT</jats:title>\n                  <jats:sec>\n                    <jats:title>Objective:</jats:title>\n                    <jats:p>To explore how the position of the bracket slots relative to the archwire influences the friction between them, and how bracket design affects the critical contact angle (θc).</jats:p>\n                  </jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:</jats:title>\n                    <jats:p>Two kinds of stainless steel archwires (0.016 and 0.019 × 0.025-inch) were tested against four kinds of brackets (Transmission Straight Archwire bracket, Domestic MBT bracket, Tip-Edge Plus bracket, and BioQuick self-ligation bracket) in the dry state. Resistance to sliding (RS) was measured as an increase in contact angle (θ). The value of θc was calculated by two linear regression lines.</jats:p>\n                  </jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:</jats:title>\n                    <jats:p>Friction remained stable when θ &lt; θc, then increased linearly when θ &gt; θc. The θc values of the Tip-Edge Plus bracket and Transmission Straight Archwire bracket were significantly larger than those for the Domestic MBT bracket and BioQuick self-ligation bracket.</jats:p>\n                  </jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:</jats:title>\n                    <jats:p>The relationship between the archwire and bracket slot significantly affects the resistance to sliding. The “edge-off” structure of the Tip-Edge Plus bracket and Transmission Straight Archwire bracket could help to increase the θc value, and to expand the passive configuration range.</jats:p>\n                  </jats:sec>","is_dataset_classified":null,"base_score":2.995732273553991,"endowment":2.995732273553991,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"23570249","pmcid":null,"openalex_id":"https://openalex.org/W2133869638","authors":[],"funders":[],"total_grants":0,"fwci":1.445,"citation_percentile":0.78858815,"influential_citations":0,"citation_trend":[{"year":2014,"count":1},{"year":2015,"count":2},{"year":2016,"count":2},{"year":2017,"count":4},{"year":2019,"count":2},{"year":2021,"count":2},{"year":2022,"count":3},{"year":2024,"count":1},{"year":2025,"count":2}],"oa_status":"gold","license":null,"oa_locations":[{"url":"https://meridian.allenpress.com/angle-orthodontist/article-pdf/83/5/877/1397099/080112-621_1.pdf","host_type":"journal"},{"url":"https://meridian.allenpress.com/angle-orthodontist/article-pdf/83/5/877/1397099/080112-621_1.pdf","host_type":"publisher"},{"url":"https://angle-orthodontist.kglmeridian.com/view/journals/angl/83/5/article-p877.xml","host_type":"publisher"},{"url":"http://meridian.allenpress.com/angle-orthodontist/article-pdf/83/5/877/1397099/080112-621_1.pdf","host_type":"publisher"},{"url":"https://angle-orthodontist.kglmeridian.com/downloadpdf/journals/angl/83/5/article-p877.xml","host_type":"publisher"},{"url":"https://doi.org/10.2319/080112-621.1","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/23570249","host_type":"repository"},{"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8744509","host_type":"repository"}],"fields_of_study":["Dental materials and restorations","Adhesion, Friction, and Surface Interactions","Mechanical Behavior of Composites"],"mesh_terms":["Materials Testing","Models, Theoretical","Orthodontic Wires","Stainless Steel","Linear Models","Orthodontic Appliance Design","Orthodontic Brackets","Friction"],"keywords":["Bracket","Enhanced Data Rates for GSM Evolution","Materials science","Composite material","Structural engineering","Mathematics","Computer science","Engineering"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-16T20:13:02.144458Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}