Influence of periodontal maintenance and periodontitis susceptibility on implant success: A 5-year retrospective cohort on moderately rough surfaced implants.

Hu, Cidong; Lang, Niklaus P.; Ong, Marianne Meng-Ann; Lim, Lum Peng; Tan, Wah Ching (2020). Influence of periodontal maintenance and periodontitis susceptibility on implant success: A 5-year retrospective cohort on moderately rough surfaced implants. Clinical oral implants research, 31(8), pp. 727-736. Wiley-Blackwell 10.1111/clr.13621

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OBJECTIVES

To investigate the effect of defined versus undefined periodontal maintenance after implant therapy on the prevalence of peri-implant complications.

MATERIAL AND METHODS

Two hundred patients who underwent dental implant therapy in the National Dental Centre Singapore (NDCS) from 2005 to 2012 were recruited. One hundred patients had regular periodontal maintenance (defined maintenance programme group, DMP), and the other 100 patients had no documentation of periodontal maintenance (undefined maintenance programme group, UMP). Full-mouth bleeding scores (FMBS), periodontal probing depths (PPD) and peri-implant probing depths (PiPD) were evaluated within 6 months of prostheses delivery (T0 ) and at re-examination (T1 ). Peri-implant bone level changes were analysed radiographically.

RESULTS

The mean follow-up time was 6.8 years. Five out of 289 implants were lost (cumulative survival rate = 98.3%). 6.0% of DMP patients and 20.0% of UMP patients had peri-implantitis (p = .003). Peri-implantitis was defined as bleeding on probing, increase in PiPD and peri-implant bone loss ≥ 0.5 mm. At the implant level, 4.0% of the DMP group implants and 17.2% of the UMP group implants were diagnosed with peri-implantitis (p = .0003). One implant in the DMP group and 13 implants in the UMP group had bone loss ≥ 2 mm (p < .0001). Multivariate regression showed that absence of regular maintenance (OR = 0.24, p = .003) was significantly associated with peri-implantitis.

CONCLUSIONS

Regular periodontal maintenance was associated with a lower prevalence of peri-implantitis and peri-implant bone loss. Patients with treated periodontitis without regular maintenance after implant placement were at higher risk for developing peri-implantitis.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Craniomaxillofacial Surgery
04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology
04 Faculty of Medicine > School of Dental Medicine > School of Dental Medicine, Periodontics Research

UniBE Contributor:

Lang, Niklaus Peter

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0905-7161

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Doris Burri

Date Deposited:

17 Dec 2020 14:00

Last Modified:

17 Dec 2020 14:00

Publisher DOI:

10.1111/clr.13621

PubMed ID:

32459865

Uncontrolled Keywords:

Implant dentistry compliance maintenance periodontally healthy subjects periodontally susceptible patients

BORIS DOI:

10.7892/boris.149736

URI:

https://boris.unibe.ch/id/eprint/149736

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