Prevalence of single crowns and fixed partial dentures in elderly citizens in the southern and northern parts of Finland

Abstract

The epidemiology of oral rehabilitation using fixed prosthodontics has received little attention. The aim of this study was to evaluate the prevalence of single crowns, fixed partial dentures (FPDs), resin-bonded FPDs and implants in elderly Finnish patients and to identify factors that might be associated with the findings. The survey was carried out in the southern and northern parts of Finland. The target population consisted of all persons born in 1919, 1922, 1925, 1928, 1931, 1934 and 1937, who lived in Kirkkonummi and in Lakeus (n=1733) in 1996. The age range of the subjects was 60-78years. In addition to a clinical examination, panoramic radiograph was taken. Data on background factors were obtained using questionnaires and/or interviews. The presence of single crowns, FPDs, resin-bonded FPDs and implants were determined from the panoramic radiographs. Overall, 12·4% of men and 12·1% of women had single crowns, while 4·8% of men and 8·0% of women had FPDs. A logistic regression analysis showed that the presence of crowns and FPDs was significantly associated with a southern place of residence, high and middle levels of education and high frequency of dental visits.

Periodontal clinico-morphological changes in patients wearing old nickel–chromium and copper alloys bridges

“…Dental alloys are used since a long time in prosthetic restoration; research papers support or, on the contrary, disapprove their use. Still, studies showed that a lot of European patients successfully wear fixed prosthetic restorations, such as crowns or bridges that are entirely or partially made from these alloys [1,2]. The use of dental alloys on a large scale is justified by their favorable characteristics, accessible price, and physical properties that are making them function in various types of prosthetic restorations [3].…”

Effect of fixed metallic oral appliances on oral health

“…[ 1 ] Another study reported that 12.4% of Finnish men and 12.1% of women have crowns, whereas 4.8% and 8.0%, respectively, have fixed dental prostheses. [ 2 ] Although fixed metallic appliances greatly impact patients’ lives,[ 3 ] unfortunately, they also alter and modify oral microbial flora. [ 4 ]…”

Características clínicas gingivales de pacientes portadores de prótesis fija tratados en una clínica dental docente

“…Diversos estudios (4,5,6,7,8,9,10) han sido realizados para determinar si las restauraciones indirectas o prótesis fijas (puentes, coronas) provocan cambios en los tejidos periodontales, en mayor o menor medida, durante los procedimientos que se llevan a cabo para su confección.…”

“…Con el fin de conseguir resultados estéticos y funcionales a largo plazo, el clínico debe asegurarse que el tejido gingival esté sano antes de comenzar con la preparación definitiva del diente, así como al momento de cementar la prótesis fija, ya que un periodonto saludable reaccionará de manera predecible y positiva a la agresión inevitable de la intervención odontológica; en cambio en una situación de patología, la agresión empeorará las condiciones del tejido (3,7,9).…”