{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,23]],"date-time":"2025-12-23T12:34:24Z","timestamp":1766493264919},"reference-count":36,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2011,4,19]],"date-time":"2011-04-19T00:00:00Z","timestamp":1303171200000},"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":[[2012,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n            <jats:bold>Objectives: <\/jats:bold> The aim of the present multi\u2010center study was to evaluate the treatment outcome of immediately restored one\u2010piece single\u2010tooth implants with a diameter of 3\u2003mm after 1 year.<\/jats:p><jats:p>\n            <jats:bold>Material and methods: <\/jats:bold> A total of 57 one\u2010piece implants (NobelDirect<jats:sup>\u00ae<\/jats:sup> 3.0) were inserted in 47 patients (26 females, 21 males) with a mean age of 31 years (range: 17\u201376 years) at five different centers. The implants replaced maxillary lateral incisors and mandibular incisors. The implants were placed either in conjunction with tooth extraction or in healed sites, and all implants were immediately restored with a provisional resin crown. If needed, the abutment part of the implant was prepared before crown cementation. The permanent crown was placed after 1.9\u201314.5 months. Radiographs were taken at implant insertion as well as after 6 and 12 months to evaluate the peri\u2010implant marginal bone level and bone loss. Moreover, plaque, bleeding on probing and complications were assessed.<\/jats:p><jats:p>\n            <jats:bold>Results: <\/jats:bold> A total of 44 patients (23 females, 21 males) with 54 implants were available for the 1\u2010year follow\u2010up. One implant was lost, thus the 1\u2010year implant survival was 98%. A statistically significant mean marginal bone loss was observed between baseline and 6 months (1.1\u2003mm, range: \u22120.7 to 4.4\u2003mm; <jats:italic>n<\/jats:italic>=49) and between baseline and 12 months (1.6 mm, range: \u22120.8 to 4.6\u2003mm; <jats:italic>n<\/jats:italic>=50). A total of 18% of the implants were characterized by a bone loss of more than 3\u2003mm. No bleeding on probing was observed around 83% of the implants. Plaque was registered at 15% of the implants. The most common complications were related to the provisional crown, i.e. fracture (<jats:italic>n<\/jats:italic>=3) and loss of retention (<jats:italic>n<\/jats:italic>=3).<\/jats:p><jats:p>\n            <jats:bold>Conclusions: <\/jats:bold> A high 1\u2010year implant survival was observed in the present study. However, the excessive peri\u2010implant marginal bone loss around several implants indicates that this implant should be used with caution until further studies have been conducted.<\/jats:p><jats:p>\n            <jats:bold>To cite this article:<\/jats:bold>\u2028Zembi\u0107 A, Johannesen LH, Schou S, Malo P, Reichert T, Farella M, H\u00e4mmerle CHF. Immediately restored one\u2010piece single\u2010tooth implants with reduced diameter: one\u2010year results of a multi\u2010center study.\u2028<jats:italic>Clin. Oral Impl. Res<\/jats:italic>. <jats:bold>23<\/jats:bold>, 2012; 49\u201354.\u2028doi: 10.1111\/j.1600\u20100501.2011.02174.x<\/jats:p>","DOI":"10.1111\/j.1600-0501.2011.02174.x","type":"journal-article","created":{"date-parts":[[2011,4,20]],"date-time":"2011-04-20T12:07:16Z","timestamp":1303301236000},"page":"49-54","source":"Crossref","is-referenced-by-count":31,"title":["Immediately restored one\u2010piece single\u2010tooth implants with reduced diameter: one\u2010year results of a multi\u2010center study"],"prefix":"10.1111","volume":"23","author":[{"given":"A.","family":"Zembi\u0107","sequence":"first","affiliation":[]},{"given":"L. H.","family":"Johannesen","sequence":"additional","affiliation":[]},{"given":"S.","family":"Schou","sequence":"additional","affiliation":[]},{"given":"P.","family":"Malo","sequence":"additional","affiliation":[]},{"given":"T.","family":"Reichert","sequence":"additional","affiliation":[]},{"given":"M.","family":"Farella","sequence":"additional","affiliation":[]},{"given":"C. H. 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