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How does mandibular bone atrophy influence the masticatory function, OHRQ oL and satisfaction in overdenture wearers? Clinical results until 1‐year post‐loading
Author(s) -
MarcelloMachado R. M.,
Faot F.,
Schuster A. J.,
Bielemann A. M.,
Chagas Júnior O. L.,
Del Bel Cury A. A.
Publication year - 2017
Publication title -
journal of oral rehabilitation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.991
H-Index - 93
eISSN - 1365-2842
pISSN - 0305-182X
DOI - 10.1111/joor.12546
Subject(s) - masticatory force , swallowing , nap , dentistry , medicine , significant difference , orthodontics , psychology , neuroscience
Summary This longitudinal clinical study investigated the differences in the masticatory function ( MF ), satisfaction and oral health‐related quality of life ( OHRQ oL) between atrophic patients ( AP ) and non‐atrophic patients ( NAP ) before and after rehabilitation with mandibular overdenture ( MO ). Twenty‐six complete denture ( CD ) wearers were categorised into two groups, according to the mandibular bone atrophy ( MBA ) degree. MF was evaluated before and after 1, 3, 6 and 12 months of the MO loading via 2 standardised tests: (i) MP , masticatory performance ( MP _X50, MPB , ME 5·6, ME 2·8) and (ii) ST , swallowing threshold (time, number of cycles, ST _X50, STB , ME 5·6, ME 2·8). The dental impact on daily living ( DIDL ) questionnaire measured changes in the satisfaction level and OHRQ oL. MP comparisons showed significant difference only for ME 5·6 12 months after MO loading ( AP =33·79 ± 23·6; NAP =17·58 ± 20·1). ST presented significant differences before MO loading for: ST _X50 ( AP =5·48 ± 0·83; NAP =4·31 ± 1·44), ME 5·6 ( AP =53·17 ± 24·71; NAP =29·83 ± 31·45) and ME 2·8 ( AP =8·76 ± 6·91; NAP =18·61 ± 10·71). One month after MO loading, NAP performed the ST test 21% faster than AP . After 3 months, significant improvements in STB ( AP =4·93 ± 4·82; NAP =2·73 ± 1·27) and ME 2·8 ( AP =17·15 ± 10·00; NAP =24·69 ± 7·82) also were observed. DIDL evaluation showed significant differences in the oral comfort domain after 3 months ( AP =0·66 ± 0·29; NAP =0·87 ± 0·16) and after 6 months ( AP =0·79 ± 0·22; NAP =0·98 ± 0·08), with lower satisfaction levels in the AP . MBA negatively affects the MF mainly the ST . After 6 months, differences between AP and NAP disappeared and ST results were equalised. AP initially has lower satisfaction levels reaching similar levels of satisfaction as NAP after 1 year.