[Dental care habits in 1981. What do the Norwegians do and know about prevention?].
D005891:Gingivitis / Q000517:prevention & control*; D006267:Health Education, Dental; D006801:Humans; D009664:Norway; D009910:Oral Hygiene; D010518:Periodontitis / Q000517:prevention & control*
Tannpleievaner i 1981. Litt om hva nordmenn gjør og vet om forebyggelse.