International Poster Journal of Dentistry and Oral Medicine
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Int Poster J Dent Oral Med 10 (2008), No. 1     15. Mar. 2008
Int Poster J Dent Oral Med 10 (2008), No. 1  (15.03.2008)

Poster 392, Language: English


Dental practice during a world cruise: characterisation of oral health at sea
Sobotta, Bernhard A. J./John, Mike T./Nitschke, Ina
Background: Although more than 100 million passengers, mostly from industrialised nations, have taken a cruise since 1980 on a growing fleet of cruise ships with ever increasing numbers of crew, the majority of whom come from developing nations, little is known about oral health of these two distinctly different populations.
Methods: In a retrospective, descriptive epidemiologic study design the routine documentation of all dental treatment provided during two months at sea in 2006 was analysed after the voyage. Subjects were n = 57 passengers (3.5 % of 1619) with a mean age of 71 (± 9.8) years and n = 56 crew (5.6 % of 999) with a mean age of 37 (± 12.0) years. Age, gender, nationality, number of natural teeth and implants were extracted. The prosthetic status was described by recording the number of teeth replaced by fixed prosthesis and number of teeth replaced by removable prosthesis. Oral health-related quality of life (OHRQoL) was measured using the 14-item Oral Health Impact Profile (OHIP-14) and characterised by the OHIP sum score.
Results: Women attended for treatment more often than men. Passengers had a mean number of 20 natural teeth plus substantial fixed and removable prosthodontics. Crew had a mean of 26 teeth. British crew and Australian passengers attended the dental service above average. Crew tended to have a higher average OHIP-14 sum score than passengers indicating an increased rate of perceived problems. Emergency patients from both crew and passengers have a higher sum score than patients attending for routine treatment. Differences seen between the two groups are not exclusively attributable to the age factor but represent differing backgrounds in home countries. Socioeconomic factors serve to explain the high standard of prosthetic care in passengers. Crew in general present with less sophisticated prosthetic devices. This is in line with their different socioeconomic status and origin from developing countries. Salary of the individual crew member together with the level of dental fees aboard in comparison to treatment costs in home countries may explain some of the differences in attendance. The ease of access to quality dental care may explain the relatively low level of perceived problems as characterised by oral health-related quality of life scores.
Conclusion: Passengers have enjoyed high standards of prosthetic care in the past and will expect a similarly high standard from ship based facilities. The dental officer aboard has to be prepared to care for very varied diagnostic and treatment needs.

Keywords: Oral health, Maritime medicine, Cruise medicine, OHIP, Gerodontology

Conference/Exhibition:
3 - 6 June 2007
9th International Symposium on Maritime Health
Esbjerg, Denmark