{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T19:07:45Z","timestamp":1775243265017,"version":"3.50.1"},"reference-count":47,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2021,5,21]],"date-time":"2021-05-21T00:00:00Z","timestamp":1621555200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,3,30]]},"abstract":"<jats:title>Summary<\/jats:title>\n               <jats:sec>\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>The aim of this retrospective investigation was to generate representative data on the efficiency and outcome quality of Class II:2 Herbst-Multibracket appliance (Herbst-MBA) treatment.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Subjects and methods<\/jats:title>\n                  <jats:p>All Class II:2 patients who had started Herbst-MBA treatment at the study centre since 1986 were included. Study casts from before treatment, after Herbst-MBA treatment, and (if available) after \u226524 months of follow-up were evaluated using standard occlusal variables, the Peer Assessment Rating (PAR)-Index, and the Ahlgren-Scale.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>During treatment, the pre-treatment PAR score was reduced from 23.6 \u00b1 7.66 to 5.6 \u00b1 3.85 (n = 192); during the follow-up period, a slight increase to 6.0 \u00b1 3.60 occurred (n = 127). The percentage of patients who could be assigned to the PAR category \u2018greatly improved\u2019 was 30% after treatment and 33% after follow-up; only 1%, respectively, 2% had to be assigned to the category \u2018worse\/no different\u2019. The outcome ratings according to the Ahlgren-Scale revealed 20% excellent, 32% good, 46% acceptable, and 2% unsuccessful results.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Limitations<\/jats:title>\n                  <jats:p>Retrospective study design with follow-up data not available from all subjects and no data from untreated controls.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Herbst-MBA is an efficient treatment approach in orthodontic care of Class II:2 malocclusions. High-quality results (mean\/median PAR score: 5.6\/5.0) with very good short-term stability (2.2 years\u2019 follow-up) were achieved. Unfortunately, no appropriate control group or groups, where other treatment approaches had been applied, exist.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ejo\/cjab021","type":"journal-article","created":{"date-parts":[[2021,4,8]],"date-time":"2021-04-08T21:31:27Z","timestamp":1617917487000},"page":"117-124","source":"Crossref","is-referenced-by-count":3,"title":["Efficiency and outcome quality of Herbst-Multibracket appliance therapy in Class II:2 patients"],"prefix":"10.1093","volume":"44","author":[{"given":"Niko Christian","family":"Bock","sequence":"first","affiliation":[{"name":"Department of Orthodontics, University of Giessen, Giessen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sophia","family":"Killat","sequence":"additional","affiliation":[{"name":"Private Practice, Stuttgart, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sabine","family":"Ruf","sequence":"additional","affiliation":[{"name":"Department of 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