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New research · Geriatrics
Revista brasileira de epidemiologia = Brazilian journal of epidemiology · 1d
ObservationalRevista brasileira de epidemiologia = Brazilian journal of epidemiology · 2026

Trends in the use of dental prostheses among adults and the elderly and the effects of their provision in the Brazilian health system 2003-2023.

Sonia Cristina Lima Chaves, Thais Regis Aranha Rossi, Jony Arrais Pinto Junior … Doralice Severo da Cruz Teixeira
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GeriatricsObservational

Dental Prosthesis Laboratories linked to 12.42% more removable partial denture use in older adults.

Trends in the use of dental prostheses among adults and the elderly and the effects of their provision in the Brazilian health system 2003-2023.

Sonia Cristina Lima Chaves et al. · Revista brasileira de epidemiologia = Brazilian journal of epidemiology · 2026
Purpose

This study analyzed trends in the use of dental prostheses among adults and older adults and their availability in the Unified Health System (SUS) in Brazil between 2003 and 2023.

Methods

Quasi-experimental ecological observational study for impact evaluation using a Difference-in-Differences (DiD) model.

n = 43 municipalities
12.42%
Results
having Dental Prosthesis Laboratories increased the use of removable partial dentures among older adults
n = 43 municipalities
More results

The presence of LPD between 2003 and 2010 was associated with a 311.96% increase in the supply of prostheses (p=0.032), but it remained stable between 2010 and 2023.

Changes in government probably impacted the supply of prostheses in these municipalities.

More results

The presence of LPD in the period 2003-2010 and having an Dental Specialty Center (CEO) between 2010 and 2023 increased the use of CD among adults by 6.94% (p=0.012) and 10.5% (p=0.032).

“
Conclusion

The LPD supply had a residual effect. The lower tooth loss may explain the reduced use of dentures in adults and the increased use of RPD in older adults. Future analyses are suggested regarding coverage, access, and different contexts.

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