A 30‐year retrospective cohort outcome study of periodontal treatment of stages III and IV patients in a private practice

Author:

Fardal Øystein123ORCID,Skau Irene2,Grytten Jostein24

Affiliation:

1. Private practice Egersund Norway

2. Institute of Community Dentistry University of Oslo Oslo Norway

3. Institute of Education for Medical and Dental Sciences University of Aberdeen Aberdeen UK

4. Division of Obstetrics and Gynaecology Akershus University Hospital Lørenskog Norway

Abstract

AbstractAimTooth loss studies show that periodontal treatment is effective. However, it is not known whether these results can be projected into a lifetime of treatment. The aim of the study was to study all patients with stages III/IV of periodontitis over 30 years in a private practice.Materials and MethodsAll patients referred between 1986 and 1990 were monitored for 30 years for tooth loss and prognostic factors. All dropouts were accounted for.ResultsIn all, 386 patients were followed, of whom 283 patients dropped out, leaving 103 patients (67 females and 36 males, average age 40.1 years) monitored over 30 years. Tooth loss was stable until 16 years, when the population was divided into groups of low (n = 65), moderate (n = 18) and high (n = 20) tooth loss, losing 1.05 (SD 1.27), 4.83 (SD 0.96) and 11.90 (SD 4.25) teeth, respectively. The strongest prognostic factors were first‐degree relatives with periodontitis, periodontal treatment before the age of 35 years, diabetes and patients with teeth with initial hopeless prognosis.ConclusionThe majority of patients with stages III and IV periodontitis could be successfully treated with conventional periodontal treatment over a period of 30 years. The findings suggest that retrospective studies with shorter observation times cannot automatically be projected onto the outcome of a lifetime of periodontal treatment.

Publisher

Wiley

Subject

Periodontics

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