A 10-year retrospective analysis of radiographic bone-level changes of implants supporting single-unit crowns in periodontally compromised vs. periodontally healthy patients

Matarasso, Sergio; Rasperini, Giulio; Iorio Siciliano, Vincenzo; Salvi, Giovanni E; Lang, Niklaus P; Aglietta, Marco (2010). A 10-year retrospective analysis of radiographic bone-level changes of implants supporting single-unit crowns in periodontally compromised vs. periodontally healthy patients. Clinical oral implants research, 21(9), pp. 898-903. Oxford: Wiley-Blackwell 10.1111/j.1600-0501.2010.01945.x

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AIM: To compare the 10-year peri-implant bone loss (BL) rate in periodontally compromised (PCP) and periodontally healthy patients (PHP) around two different implant systems supporting single-unit crowns. MATERIALS AND METHODS: In this retrospective, controlled study, the mean BL (mBL) rate around dental implants placed in four groups of 20 non-smokers was evaluated after a follow-up of 10 years. Two groups of patients treated for periodontitis (PCP) and two groups of PHP were created. For each category (PCP and PHP), two different types of implant had been selected. The mBL was calculated by subtracting the radiographic bone levels at the time of crown cementation from the bone levels at the 10-year follow-up. RESULTS: The mean age, mean full-mouth plaque and full-mouth bleeding scores and implant location were similar between the four groups. Implant survival rates ranged between 85% and 95%, without statistically significant differences (P>0.05) between groups. For both implant systems, PCP showed statistically significantly higher mBL rates and number of sites with BL> or =3 mm compared with PHP (P<0.0001). CONCLUSIONS: After 10 years, implants in PCP yielded lower survival rates and higher mean marginal BL rates compared with those of implants placed in PHP. These results were independent of the implant system used or the healing modality applied.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology

UniBE Contributor:

Salvi, Giovanni and Aglietta, Marco

ISSN:

0905-7161

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

04 Oct 2013 14:08

Last Modified:

25 Jan 2017 12:16

Publisher DOI:

10.1111/j.1600-0501.2010.01945.x

PubMed ID:

20438576

Web of Science ID:

000280630200003

URI:

https://boris.unibe.ch/id/eprint/483 (FactScience: 199489)

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