{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T18:26:53Z","timestamp":1780597613851,"version":"3.54.1"},"reference-count":34,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2014,3,27]],"date-time":"2014-03-27T00:00:00Z","timestamp":1395878400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2015,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Retrospective evaluation of the biological and technical complications in implant\u2010supported single\u2010tooth molar restorations performed in a private practice after functional periods of \u22654\u00a0years.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>Sixty\u2010five patients (34 females, age 51.7\u00a0\u00b1\u00a010.6\u00a0years) with 112 implants received annual follow\u2010up examinations and participated in a maintenance program. The survival (<jats:italic>in situ<\/jats:italic>) and success (complication\u2010free) rates of implants and superstructures were evaluated. Time\u2010dependent peri\u2010implantitis rates were calculated, and the influencing factors were identified using a multiple Cox regression.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The implant survival rate was 100%. Three of 112 crowns required replacement (prosthetic survival rate\u00a0=\u00a098.1%). Thirty technical complications were observed: loss of retention (16), ceramic fracture (10), and screw loosening (4). The success rate of the superstructures was 79.0% after 7\u00a0years. Overall, 9.2% of the patients developed peri\u2010implantitis (probing depth \u22655\u00a0mm, <jats:styled-content style=\"fixed-case\">BOP<\/jats:styled-content>, suppuration, bone loss \u22653.5\u00a0mm); (smokers: 41.6%, non\u2010smokers: 1.8%). After 7\u00a0years, the time\u2010dependent implant success rate (free of peri\u2010implantitis) was 100% for non\u2010smokers and 58.6% for smokers. Multiple analysis showed a significant effect of smoking (hazard ratio, 19.5; <jats:italic>P<\/jats:italic>\u00a0=\u00a00.008) on peri\u2010implantitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Implants with cemented single\u2010tooth restorations in the molar region constitute a reliable treatment in private practice. Smokers have a significantly increased peri\u2010implantitis rate.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12382","type":"journal-article","created":{"date-parts":[[2014,3,27]],"date-time":"2014-03-27T12:31:03Z","timestamp":1395923463000},"page":"1024-1030","source":"Crossref","is-referenced-by-count":22,"title":["Technical and biological complications of single\u2010molar implant restorations"],"prefix":"10.1111","volume":"26","author":[{"given":"Sven","family":"Rinke","sequence":"first","affiliation":[{"name":"Private Practice Hanau Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Roediger","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics Georg\u2010August\u2010University Goettingen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Eickholz","sequence":"additional","affiliation":[{"name":"Department of Periodontology Center for Dental Medicine, Oral and Maxillofacial Medicine Johann Wolfgang Goethe\u2010University Frankfurt\/Main Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katharina","family":"Lange","sequence":"additional","affiliation":[{"name":"Department of Medical Statistics Georg\u2010August\u2010University Goettingen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dirk","family":"Ziebolz","sequence":"additional","affiliation":[{"name":"Department of Operative Dentistry Preventive Dentistry and Periodontology Georg\u2010August\u2010University G\u00f6ttingen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,3,27]]},"reference":[{"key":"e_1_2_7_2_1","first-page":"229","article-title":"Problems and proposals for recording gingivitis and plaque","volume":"25","author":"Ainamo J.","year":"1975","journal-title":"International Dental 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