A prospective single-cohort study of implant-supported full-arch metal-ceramic prosthesis with gold-platinum alloy framework for treatment edentulous mandible in elderly patients: 15-year report

Rozov R.A.

Academician I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Healthcare of Russian Federation;
«City Dental Clinic No. 33»

SPIN RSCI: 1173-7870
Scopus AuthorID: 57205048723
ResearcherID: E-3677-2019
ORCID: 0000-0001-5804-9497

Trezubov V.N.

Academician I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Healthcare of Russian Federation

ORCID: 0000-0003-0532-5632

Gerasimov A.B.

«City Dental Clinic No. 33»

ORCID: 0000-0002-1101-7073

Azarin G.S.

«City Dental Clinic No. 33»

ORCID: 0000-0001-9586-9494

A prospective single-cohort study of implant-supported full-arch metal-ceramic prosthesis with gold-platinum alloy framework for treatment edentulous mandible in elderly patients: 15-year report

Authors:

Rozov R.A., Trezubov V.N., Gerasimov A.B., Azarin G.S.

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Journal: Stomatology. 2023;102(6): 22‑27

DOI: 10.17116/stomat202310206122

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To cite this article:

Rozov RA, Trezubov VN, Gerasimov AB, Azarin GS. A prospective single-cohort study of implant-supported full-arch metal-ceramic prosthesis with gold-platinum alloy framework for treatment edentulous mandible in elderly patients: 15-year report. Stomatology. 2023;102(6):22‑27. (In Russ.)
https://doi.org/10.17116/stomat202310206122

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OBJECTIVE

To study the effectiveness of implant-supported full-arch metal-ceramic prosthesis with gold-platinum alloy framework in elderly patients.

MATERIALS AND METHODS

The study included patients with complete and/or partial loss of teeth and terminal dentition. In 2007—2008, 354 implants were inserted in 27 patients. The age of the patients was 61.31±5.08 years. Mombelli index criteria (mBI [modified Sulcus Bleeding Index]) were used. The plaque index was determined using a modified Löe & Silness method. The state of the peri-implant bone (ΔMBL) was determined by a series of OPG. The Geriatric Oral Health Index (GOHAI) was used to assess oral health in the elderly.

RESULTS

Metal-ceramic full-arch implant prostheses with a gold-platinum alloy framework, based on a sufficient and optimal number of implants (6—8), showed high survival rate (100%) after 15 years. Marginal bone loss (ΔMBL) after 15 years was –1.44±1.27 mm. The survival rate of implants was 99.4%. Scores on the GOHAI scale were higher in patients after orthopedic rehabilitation (from 52.7±7.1 to 54.1±8.4, p<0.001).

CONCLUSION

After 15 years, all prostheses had mechanical defects, which at the same time allowed them to be used without restrictions. Screw fixation of full-arch implant prostheses, although it was associated with mechanical complications, nevertheless made it possible to perform surgical interventions in a timely manner and stop the development of inflammatory complications. Thus, we do not see any grounds for removing metal-ceramic prostheses and replacing them with new implant prostheses even after a 15-year period of operation. At the same time, it is necessary to take into account the reduction in the possibility of individual oral hygiene in elderly patients, as well as possible restrictions on self-visiting a dentist or dental hygienist.

Keywords:

Implant prosthetics

quality of life

gerodontology

immediate loading

metal-ceramic

Authors:

Rozov R.A.

Academician I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Healthcare of Russian Federation;
«City Dental Clinic No. 33»

SPIN RSCI: 1173-7870
Scopus AuthorID: 57205048723
ResearcherID: E-3677-2019
ORCID: 0000-0001-5804-9497

Trezubov V.N.

Academician I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Healthcare of Russian Federation

ORCID: 0000-0003-0532-5632

Gerasimov A.B.

«City Dental Clinic No. 33»

ORCID: 0000-0002-1101-7073

Azarin G.S.

«City Dental Clinic No. 33»

ORCID: 0000-0001-9586-9494

Received:

28.02.2023

Accepted:

02.05.2023

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