{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T11:26:08Z","timestamp":1780053968160,"version":"3.54.0"},"reference-count":36,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2023,5,12]],"date-time":"2023-05-12T00:00:00Z","timestamp":1683849600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100010270","name":"Capital Health Research and Development of Special Fund","doi-asserted-by":"publisher","award":["2018\u20102\u20104102"],"award-info":[{"award-number":["2018\u20102\u20104102"]}],"id":[{"id":"10.13039\/501100010270","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Esthet Restor Dent"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To explore the differences in plaque accumulation on the fitting surface of full\u2010arch implant\u2010supported fixed prostheses with contact or noncontact pontics.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Nineteen patients (20 prostheses, 7 in the maxilla, and 13 in the mandible) intending to undergo full\u2010arch implant\u2010supported immediate function prostheses were recruited. During immediate restoration and using the midline as the boundary, one side was restored as a pontic and mucosa noncontact type (the test group), and the opposite side was restored as a pontic and mucosa contact type (the control group). In a follow\u2010up 6\u2009months after the surgery, the cleanliness of the fitting surface of the immediate prosthesis was evaluated by plaque staining and debris index determination. Patient satisfaction was investigated by questionnaire.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twenty prostheses from 19 patients included in the randomized controlled trial were followed up. Among the 20 prostheses, the percentage of area covered with plaque was significantly lower in the test group compared with that in the control group (31.5\u2009\u00b1\u200915.8% vs. 43.7\u2009\u00b1\u200915.3%; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). The debris index in the test group was lower than that in the control group, although the difference was not statistically significant (2.77\u2009\u00b1\u20090.73 vs. 3.15\u2009\u00b1\u20090.90; <jats:italic>p<\/jats:italic>\u2009&gt;\u20090.05). In the patient satisfaction survey, most of the patients were satisfied with most aspects of the prostheses, however, nearly half of the patients were not satisfied with the cleaning.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The pontic and mucosa noncontact prosthetic design reduces plaque accumulation on the fitting surface, which is beneficial for maintaining oral cleanliness. However, the majority of study samples were mandible and conclusions may not be fully applicable to maxilla. Trial registration: <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/www.chictr.org.cn\">www.chictr.org.cn<\/jats:ext-link> (ChiCTR1900028576).<\/jats:p><\/jats:sec><jats:sec><jats:title>Clinical Significance<\/jats:title><jats:p>The noncontact design in full\u2010arch implant\u2010supported fixed prostheses may be an effective measure of improving oral hygiene promotion. There is need for more research that can further improve oral hygiene of patients with full\u2010arch implant\u2010supported prostheses.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jerd.13062","type":"journal-article","created":{"date-parts":[[2023,5,12]],"date-time":"2023-05-12T11:14:45Z","timestamp":1683890085000},"page":"1077-1084","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Plaque accumulation on the fitting surface of full\u2010arch implant\u2010supported fixed prostheses with contact or noncontact pontics: A split mouth randomized controlled trial"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4533-865X","authenticated-orcid":false,"given":"Zhenjiang","family":"Gong","sequence":"first","affiliation":[{"name":"Department of Oral Implantology Peking University School and Hospital of Stomatology &amp; National Clinical Research Center for Oral Diseases &amp; National Engineering Laboratory for Digital and Material Technology of Stomatology &amp; Beijing Key Laboratory of Digital Stomatology  Beijing People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ye","family":"Lin","sequence":"additional","affiliation":[{"name":"Department of Oral Implantology Peking University School and Hospital of Stomatology &amp; National Clinical Research Center for Oral Diseases &amp; National Engineering Laboratory for Digital and Material Technology of Stomatology &amp; Beijing Key Laboratory of Digital Stomatology  Beijing People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ping","family":"Di","sequence":"additional","affiliation":[{"name":"Department of Oral Implantology Peking University School and Hospital of Stomatology &amp; National Clinical Research Center for Oral Diseases &amp; National Engineering Laboratory for Digital and Material Technology of Stomatology &amp; Beijing Key Laboratory of Digital Stomatology  Beijing People's Republic of 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