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The randomized shortened dental arch study: oral health-related quality of life
Authors:S. Wolfart  F. Müller  J. Gerß  G. Heyedcke  B. Marré  K. Böning  B. Wöstmann  M. Kern  T. Mundt  W. Hannak  J. Brückner  N. Passia  F. Jahn  S. Hartmann  H. Stark  E. J. Richter  W. Gernet  R. G. Luthardt  M. H. Walter
Affiliation:1. Department of Prosthodontics and Biomaterials, Medical Faculty, RWTH Aachen University, Pauwelsstra?e 30, 52074, Aachen, Germany
2. Section Médecine Dentaire, Division de Gérodontologie et Prothèse adjointe, 19, Rue Barthélemy-Menn, 1205, Geneva, Switzerland
3. Institute of Biostatistics and Clinical Research, University of Münster, Albert-Schweitzer-Campus 1, Geb?ude A11, 48149, Münster, Germany
4. Department of Prosthodontics, University Medical Center Eppendorf, Martinistra?e 52, 20246, Hamburg, Germany
5. Department of Prosthetic Dentistry, Dental School, University Hospital Carl Gustav Carus, Technische Universit?t Dresden, Fetscherstra?e 74, 01307, Dresden, Germany
6. Department of Prosthetic Dentistry, Justus-Liebig University of Giessen, Schlangenzahl 14, 35392, Gie?en, Germany
7. Department of Prosthetic Dentistry, Christan-Albrechts University, Arnold-Heller-Str. 16, 24105, Kiel, Germany
8. Department of Prosthodontics, Gerodontology and Biomaterials, Dental School, Ernst-Moritz-Arndt University of Greifswald, Rotgerberstr. 8, 17487, Greifswald, Germany
9. Department of Prosthodontics, Geriatic Dentistry and Craniomandibular Disorders, CC3—Charité, Center for Dental and Craniofacial Sciences, Charité—Universit?tsmedizin Berlin, Campus Benjamin Franklin, A?mannshauser Stra?e 4-6, 14197, Berlin, Germany
10. Department of Prosthetic Dentistry and Dental Material Science, University of Leipzig, Nürnberger Str. 57, 04103, Leipzig, Germany
11. Department of Prosthetic Dentistry, Albert-Ludwig University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
12. Department of Prosthetic Dentistry and Dental Material Science, Friedrich-Schiller University of Jena, An der alten Post 4, 07740, Jena, Germany
13. Department of Prosthetic Dentistry, Johannes-Gutenberg University of Mainz, Augustusplatz 2, 55131, Mainz, Germany
14. Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, Welschnonnenstr.17, 53111, Bonn, Germany
15. Department of Prosthetic Dentistry, Julius-Maximilians University of Würzburg, Pleicherwall 2, 97070, Würzburg, Germany
16. Department of Prosthetic Dentistry, Ludwig-Maximilians University, Goethestr. 70, 80336, Munich, Germany
17. Center of Dentistry, Department of Prosthetic Dentistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
Abstract:

Objectives

Although the shortened dental arch (SDA) concept is a widely accepted strategy to avoid overtreatment, little is known on its impact on oral health-related quality of life (OHRQoL). This multicenter randomized controlled trial aimed to investigate the OHRQoL for removable partial dental prostheses (RPDP) with molar replacement versus the SDA concept.

Material and methods

In both groups, missing anterior teeth were replaced with fixed dental prosthesis. Two hundred fifteen patients with bilateral molar loss in at least one jaw were included. The Oral Health Impact Profile (OHIP-49) was completed before; 6 weeks (baseline), 6 months, and 12 months after treatment; and thereafter annually until 5 years.

Results

Of the initial cohort, 81 patients were assigned to the RPDP group and 71 to the SDA group (age, 34 to 86 years). Before treatment, the median OHIP score was similar in both groups (RPDP, 38.0; SDA, 40.0; n.s.). Results indicate marked improvements in OHRQoL in both groups between pretreatment and baseline (RPDP, 27.0; SDA, 19.0; p?≤?0.0001) which continued in the RPDP group until the 1-year follow-up (p?=?0.0002). These significant reductions in OHIP scores are reflected in its subscales. No further differences were seen within and between groups during the remainder observation period.

Conclusion

Both treatments show a significant improvement in OHRQoL which continued in the RPDP group until the 1-year follow-up. No significant differences were seen between groups.

Clinical relevance

For improving OHRQoL, it is not necessary to replace missing molars with a RPDP.
Keywords:
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