{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T01:25:25Z","timestamp":1790731525337,"version":"4.1.0"},"reference-count":42,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2009,12,1]],"date-time":"2009-12-01T00:00:00Z","timestamp":1259625600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2009,12]]},"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Prefabricated implant abutments made of zirconium dioxide (yttria\u2010stabilized polycrystalline tetragonal zirconia; Y\u2010TZP) have proved to be useful in the esthetically demanding anterior region and may also be useful for premolar and molar replacement because of their obvious positive impact on the health of peri\u2010implant soft tissues.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> Forty screw implants were inserted in the posterior region of 24 patients and provided with prefabricated all\u2010ceramic abutments made of zirconium dioxide Y\u2010TZP. Zirconia\u2010based crowns were used as superstructures. The following parameters were used to document the state of soft tissue: the modified plaque index (mPI), sulcus fluid flow rate (SFFR), modified sulcus bleeding index (mSBI), and probing depth (PD). Additionally, implant stability was measured using an electronic mobility testing device.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> All implants (N = 40) followed up after 6 months in function were osseointegrated and showed good stability. In the presence of good oral hygiene (mPI: 0.3), the parameters SFFR (16) and mSBI (0.7) were indicative of stable and healthy soft tissue. The mean PD was highest at the distal points of measurement (2.4 mm) and was generally at a low level. Neither implant loss nor crown fractures occurred. Chipping of parts of the veneering ceramic was registered in three cases (7.5%).<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> After 6 months in function, no mechanical failure was registered in any of the all\u2010ceramic abutments. On clinical investigation, the peri\u2010implant soft tissues were largely healthy and devoid of inflammation.<\/jats:p>","DOI":"10.1902\/jop.2009.090274","type":"journal-article","created":{"date-parts":[[2009,12,7]],"date-time":"2009-12-07T08:57:14Z","timestamp":1260176234000},"page":"2065-2072","source":"Crossref","is-referenced-by-count":37,"title":["Zirconium Dioxide Implant Abutments for Posterior Single\u2010Tooth Replacement: First Results"],"prefix":"10.1002","volume":"80","author":[{"given":"Frank P.","family":"Nothdurft","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter 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