Digital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.

<h4>Objectives</h4>The purposes of this study were to analyze the effects of single posterior implant restorations delivery on the redistribution of bite force and to evaluate the changes in occlusal force distribution of prostheses and potential influencing factors on occlusion variatio...

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Autores principales: Ting Zhou, Jirapa Wongpairojpanich, Maytha Sareethammanuwat, Charukrit Lilakhunakon, Borvornwut Buranawat
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Publicado: Public Library of Science (PLoS) 2021
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spelling oai:doaj.org-article:caff2ca9b28b48e880a2990775988c1d2021-12-02T20:05:13ZDigital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.1932-620310.1371/journal.pone.0252191https://doaj.org/article/caff2ca9b28b48e880a2990775988c1d2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0252191https://doaj.org/toc/1932-6203<h4>Objectives</h4>The purposes of this study were to analyze the effects of single posterior implant restorations delivery on the redistribution of bite force and to evaluate the changes in occlusal force distribution of prostheses and potential influencing factors on occlusion variation at different stages.<h4>Materials and methods</h4>Thirty-two single posterior restorations in 30 participants (18 women and 12 men aged 27 to 75 years) were placed into either a unilateral single-tooth defect (n = 17) or on either side of a bilateral teeth defects (n = 15). The bite force (%) of the prostheses, teeth and segments at the maximum intercuspation position (MIP) was evaluated using a T-scan at 5 stages (pre-placement, immediately following placement, and 2 weeks, 3 months, and 6 months post-placement).<h4>Results</h4>The occlusal force of implant-supported prostheses was significantly (P = .000) lower than those of the control natural teeth at the baseline, then no significant difference was found with that of the mesial teeth at 3 months, and finally it was significantly (P = .000) lower than that of the distal teeth at 6 months; meanwhile, it significantly (P = .008) increased by a mean of 2.04 times from 2 weeks (3.39 ± 2.61%) to 3 months (6.90 ± 4.77%), whereas no significant difference (P = .900) was found from 3 months (6.90 ± 4.77%) to 6 months (7.31 ± 4.60%). In addition, the bite force of the posterior segment on the restored side of both unilateral and bilateral gaps was significantly (P = .013,.001) improved by 3.31% and 6.83%, respectively, although the discrepancy in bite force significantly (P = .039) increased from an initial 3.52% to 5.02% for subjects with bilateral defects, accompanying increases in the proportion (15.38%) of the level III bilateral bite force deviation (P >.05).<h4>Conclusions</h4>Bite force and masticatory ability can be improved with the immediate delivery of a single posterior implant restoration. The bite force distributed on the implant prosthesis inevitably increases after placement of implant prostheses, a routine follow-up and occlusal evaluation are strongly needed.Ting ZhouJirapa WongpairojpanichMaytha SareethammanuwatCharukrit LilakhunakonBorvornwut BuranawatPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0252191 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Ting Zhou
Jirapa Wongpairojpanich
Maytha Sareethammanuwat
Charukrit Lilakhunakon
Borvornwut Buranawat
Digital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.
description <h4>Objectives</h4>The purposes of this study were to analyze the effects of single posterior implant restorations delivery on the redistribution of bite force and to evaluate the changes in occlusal force distribution of prostheses and potential influencing factors on occlusion variation at different stages.<h4>Materials and methods</h4>Thirty-two single posterior restorations in 30 participants (18 women and 12 men aged 27 to 75 years) were placed into either a unilateral single-tooth defect (n = 17) or on either side of a bilateral teeth defects (n = 15). The bite force (%) of the prostheses, teeth and segments at the maximum intercuspation position (MIP) was evaluated using a T-scan at 5 stages (pre-placement, immediately following placement, and 2 weeks, 3 months, and 6 months post-placement).<h4>Results</h4>The occlusal force of implant-supported prostheses was significantly (P = .000) lower than those of the control natural teeth at the baseline, then no significant difference was found with that of the mesial teeth at 3 months, and finally it was significantly (P = .000) lower than that of the distal teeth at 6 months; meanwhile, it significantly (P = .008) increased by a mean of 2.04 times from 2 weeks (3.39 ± 2.61%) to 3 months (6.90 ± 4.77%), whereas no significant difference (P = .900) was found from 3 months (6.90 ± 4.77%) to 6 months (7.31 ± 4.60%). In addition, the bite force of the posterior segment on the restored side of both unilateral and bilateral gaps was significantly (P = .013,.001) improved by 3.31% and 6.83%, respectively, although the discrepancy in bite force significantly (P = .039) increased from an initial 3.52% to 5.02% for subjects with bilateral defects, accompanying increases in the proportion (15.38%) of the level III bilateral bite force deviation (P >.05).<h4>Conclusions</h4>Bite force and masticatory ability can be improved with the immediate delivery of a single posterior implant restoration. The bite force distributed on the implant prosthesis inevitably increases after placement of implant prostheses, a routine follow-up and occlusal evaluation are strongly needed.
format article
author Ting Zhou
Jirapa Wongpairojpanich
Maytha Sareethammanuwat
Charukrit Lilakhunakon
Borvornwut Buranawat
author_facet Ting Zhou
Jirapa Wongpairojpanich
Maytha Sareethammanuwat
Charukrit Lilakhunakon
Borvornwut Buranawat
author_sort Ting Zhou
title Digital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.
title_short Digital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.
title_full Digital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.
title_fullStr Digital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.
title_full_unstemmed Digital occlusal analysis of pre and post single posterior implant restoration delivery: A pilot study.
title_sort digital occlusal analysis of pre and post single posterior implant restoration delivery: a pilot study.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/caff2ca9b28b48e880a2990775988c1d
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