Lateral forces exerted on the abutment tooth of complete mandibular overdentures.

K. Ogata, Goro Nishigawa, T. Aoki, Y. Maeda, Y. Okuno

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The purpose of this study was to analyse the magnitude and direction of lateral forces exerted on the abutment tooth of a complete mandibular overdenture. A newly developed transducer was used for measuring forces. It was small enough to be embedded in the lower denture base, and could detect the magnitude and direction of forces. Five subjects, 38 to 77 years of age, with an edentulous maxilla and one or two canines remaining in the mandible were selected for this experiment. An upper complete denture and a lower complete overdenture with only one abutment tooth were fabricated for each subject. Forces exerted on the abutment tooth were measured during tapping and chewing of kamaboko (a Japanese cooked fish paste with soft consistency) and also peanuts, a few days and about 20 days after the denture insertion. The following results were obtained: (i) the average magnitude of lateral forces ranged from 0.5 to 2.0 kgf, and there were significant differences of the mean value between subjects; (ii) lateral forces were mainly observed on an imaginary line drawn through the experimental tooth (lower canine) and the opposite retromolar pad. There were no significant differences between the first and the second measurement.

Original languageEnglish
Pages (from-to)429-438
Number of pages10
JournalJournal of Oral Rehabilitation
Volume15
Issue number5
Publication statusPublished - Sep 1988

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Overlay Denture
Denture, Complete, Lower
Tooth
Denture Bases
Cuspid
Dentures
Mastication
Maxilla
Ointments
Transducers
Mandible
Canidae
Fishes
Direction compound

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Lateral forces exerted on the abutment tooth of complete mandibular overdentures. / Ogata, K.; Nishigawa, Goro; Aoki, T.; Maeda, Y.; Okuno, Y.

In: Journal of Oral Rehabilitation, Vol. 15, No. 5, 09.1988, p. 429-438.

Research output: Contribution to journalArticle

Ogata, K. ; Nishigawa, Goro ; Aoki, T. ; Maeda, Y. ; Okuno, Y. / Lateral forces exerted on the abutment tooth of complete mandibular overdentures. In: Journal of Oral Rehabilitation. 1988 ; Vol. 15, No. 5. pp. 429-438.
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