The Randomized Shortened Dental Arch Study: Tooth Loss

The evidence concerning the management of shortened dental arch (SDA) cases is sparse. This multi-center study was aimed at generating data on outcomes and survival rates for two common treatments, removable dental prostheses (RDP) for molar replacement or no replacement (SDA). The hypothesis was th...

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Bibliographic Details
Published in:Journal of dental research 2010-08, Vol.89 (8), p.818-822
Main Authors: Walter, M.H., Weber, A., Marré, B., Gitt, I., Gerß, J., Hannak, W., Hartmann, S., Heydecke, G., Huppertz, J., Jahn, F., Ludwig, A., Mundt, T., Kern, M., Klein, V., Pospiech, P., Stumbaum, M., Wolfart, S., Wöstmann, B., Busche, E., Böning, K., Luthardt, R.G.
Format: Article
Language:English
Subjects:
Dental Arch - pathology
Dentistry
Denture, Partial, Removable
Female
Humans
Kaplan-Meier Estimate
Male
Middle Aged
Molar - physiopathology
Tooth Loss - prevention & control
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Summary:The evidence concerning the management of shortened dental arch (SDA) cases is sparse. This multi-center study was aimed at generating data on outcomes and survival rates for two common treatments, removable dental prostheses (RDP) for molar replacement or no replacement (SDA). The hypothesis was that the treatments lead to different incidences of tooth loss. We included 215 patients with complete molar loss in one jaw. Molars were either replaced by RDP or not replaced, according to the SDA concept. First tooth loss after treatment was the primary outcome measure. This event occurred in 13 patients in the RDP group and nine patients in the SDA group. The respective Kaplan-Meier survival rates at 38 months were 0.83 (95% CI: 0.74-0.91) in the RDP group and 0.86 (95% CI: 0.78-0.95) in the SDA group, the difference being non-significant.
ISSN:0022-0345
1544-0591
DOI:10.1177/0022034510366817