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Clin Oral Implants Res. 2019 Mar;30(3):261-276. doi: 10.1111/clr.13412. Epub 2019 Feb 18.

Patient-reported outcome measures (PROMs) and maintenance events in 2-implant-supported mandibular overdenture patients: A 5-year prospective study.

Author information

1
Implant Dentistry, Prosthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong, Hong Kong.
2
Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates.

Abstract

OBJECTIVE:

To prospectively evaluate patient-reported outcome measures (PROMs) and treatment outcomes of mandibular two-implant retained overdentures (IOD) in an edentulous geriatric cohort with history of deficient complete dentures (CD).

MATERIALS AND METHODS:

A total of 103 patients with deficient CD received new optimal CD. After a period of 3 months, 80 of the patients voluntarily received IOD. Outcomes collected at pre-, post-CD/post-IOD treatment annually up to 5 years, included (a) Clinical outcomes: denture-quality (Woelfel's index), complications, and maintenance events, (b) PROMs: patient complaints (maxillary, mandibular functional complaint scores, generic aesthetic complaint scores, frequency, and intensity of complaints) and patient satisfaction, and (c) Maintenance events: technical complications and adverse events.

RESULTS:

Five-year data were collected from 67 patients (mean age at initiation = 71.3 years, mean observation = 5.9 years) with cumulative implant survival rate = 98.72%. Multiple comparisons for 8 time points showed significant improvements in denture quality and PROMs after new CD and IOD delivery. Further significant improvements were only after IOD delivery in: mandibular denture-quality, mandibular and generic functional complaints, frequency, intensity of complaints, and overall patient satisfaction score. Thereafter, denture-quality and PROMs remained stable. Maintenance events clustered on 1st year and within a minority of patients. Technical complications and overall maintenance events significantly correlated with overall patient satisfaction score at 1st year.

CONCLUSIONS:

Mandibular IOD was a beneficial treatment option for seniors with history of deficient CD, improving denture-quality, patient satisfaction, and reducing patient complaints up to 5 years. Maintenance events clustered on 1st year, showing no significant impact on long-term patient satisfaction and other PROMs.

KEYWORDS:

dental implant; implant-supported overdenture; oral health-related quality of life health; overdenture; patient-reported outcome measures

PMID:
30714227
DOI:
10.1111/clr.13412
[Indexed for MEDLINE]

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