Adaptation to new complete dentures-is the neuromuscular system outcome-oriented or effort-oriented?

Clinical Oral Investigations
Lydia EberhardNikolaos Nikitas Giannakopoulos

Abstract

The aim of this study was to observe the adaptation strategy of the stomatognathic system during the adaptation of complete dentures, comprising masticatory parameters and subjective measures. Our hypothesis was that with new dentures, masticatory performance would increase while the effort of the system is kept constant. Thirty-two patients received standardized new complete dentures. Masticatory performance tests were conducted with old dentures (T1), immediately after incorporation of new dentures (T2) and after an adaptation period of 3 months (T3). Patients habitually chewed the silicone-based artificial test food Optocal. The comminuted test food was analyzed and mean particle sizes (x50) were calculated. Simultaneously, surface EMGs of the anterior temporalis and masseter muscles were recorded. Specific (SMW) and total muscle work (TMW) were determined. Patients filled in the OHIP-49 questionnaire. Test conditions were compared using repeated-measures ANOVA with SPSS 22 (SPSS Inc.) RESULTS: Masticatory performance increased (P = 0.016) between old (x50 = 4.99 ± 0.28) and adapted new dentures (x50 = 4.80 ± 0.33). TMW deteriorated (P = 0.004) at T2 (from TMW1 = 119.77 ± 56.49 to TMW2 = 92.12 46.27), and increased again (P ...Continue Reading

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Citations

May 16, 2019·Journal of Oral Rehabilitation·Cláudio Rodrigues LelesMartin Schimmel
Apr 26, 2020·Journal of Oral Rehabilitation·Oliver SchierzKenji Fueki
Jan 30, 2019·Journal of Prosthodontic Research·Atsuko Kuramochi, Hiroshi Shiga
Dec 24, 2018·Evidence-based Dentistry·Pei Jia Loh, Colin Levey
Nov 13, 2020·Gerodontology·Lucia Lopez-ChaichioPablo Galindo-Moreno
Oct 29, 2020·Journal of Applied Oral Science : Revista FOB·Vivian Barnabé PolicastroAna Carolina Pero
Aug 8, 2021·Odontology·Hiroshi ShigaYoshinori Kobayashi

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