Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo study

Aim: Incisal guidance (IG) varies with maxillary and mandibular teeth wear. It in turn governs the forces on adhesive restorations. The present study evaluates the variation in forces because of changes in IG. Materials and Methods: IG was recorded on 46 subjects along with the distance from centric...

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Main Authors: Samdisha S Lulla, Raghavendra Adaki, Aditi Samant, Shridevi Adaki, Swateja Surwase, Shruti Pardesi
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2023-01-01
Series:Journal of Pharmacy and Bioallied Sciences
Subjects:
Online Access:http://www.jpbsonline.org/article.asp?issn=0975-7406;year=2023;volume=15;issue=6;spage=931;epage=933;aulast=Lulla
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author Samdisha S Lulla
Raghavendra Adaki
Aditi Samant
Shridevi Adaki
Swateja Surwase
Shruti Pardesi
author_facet Samdisha S Lulla
Raghavendra Adaki
Aditi Samant
Shridevi Adaki
Swateja Surwase
Shruti Pardesi
author_sort Samdisha S Lulla
collection DOAJ
description Aim: Incisal guidance (IG) varies with maxillary and mandibular teeth wear. It in turn governs the forces on adhesive restorations. The present study evaluates the variation in forces because of changes in IG. Materials and Methods: IG was recorded on 46 subjects along with the distance from centric contact to incisal edge. Biteforce was recorded in the maximum possible intercuspal position (MIP) and in protrusion in the anterior region. Data analysis was performed using SPSS Version 21 at a confidence level ≤0.05. Pearson correlation test was applied to determine r value. Results: The association between forces on anterior teeth in MIP and forces on teeth in contact in protrusion is statistically significant (P value 0.001). There is definitive correlation between forces exerted in MIP and the distance travelled from centric contact to incisal edge (r = 0.059). There is a weak correlation between forces on anterior teeth in MIP and protrusive IG (r value 0.172). Conclusion: The force on anterior teeth in MIP with steeper IG is higher. Hence, the restoration margin should be kept away from the centric contact point.
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spelling doaj.art-cb938e94c47b4a7f8fb2d2d02759bd642023-08-23T09:45:23ZengWolters Kluwer Medknow PublicationsJournal of Pharmacy and Bioallied Sciences0975-74062023-01-0115693193310.4103/jpbs.jpbs_284_23Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo studySamdisha S LullaRaghavendra AdakiAditi SamantShridevi AdakiSwateja SurwaseShruti PardesiAim: Incisal guidance (IG) varies with maxillary and mandibular teeth wear. It in turn governs the forces on adhesive restorations. The present study evaluates the variation in forces because of changes in IG. Materials and Methods: IG was recorded on 46 subjects along with the distance from centric contact to incisal edge. Biteforce was recorded in the maximum possible intercuspal position (MIP) and in protrusion in the anterior region. Data analysis was performed using SPSS Version 21 at a confidence level ≤0.05. Pearson correlation test was applied to determine r value. Results: The association between forces on anterior teeth in MIP and forces on teeth in contact in protrusion is statistically significant (P value 0.001). There is definitive correlation between forces exerted in MIP and the distance travelled from centric contact to incisal edge (r = 0.059). There is a weak correlation between forces on anterior teeth in MIP and protrusive IG (r value 0.172). Conclusion: The force on anterior teeth in MIP with steeper IG is higher. Hence, the restoration margin should be kept away from the centric contact point.http://www.jpbsonline.org/article.asp?issn=0975-7406;year=2023;volume=15;issue=6;spage=931;epage=933;aulast=Lullaincisal guidancemaximum intercuspal positionprotrusion
spellingShingle Samdisha S Lulla
Raghavendra Adaki
Aditi Samant
Shridevi Adaki
Swateja Surwase
Shruti Pardesi
Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo study
Journal of Pharmacy and Bioallied Sciences
incisal guidance
maximum intercuspal position
protrusion
title Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo study
title_full Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo study
title_fullStr Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo study
title_full_unstemmed Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo study
title_short Evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion – An In vivo study
title_sort evaluation of influence of incisal guidance on the force exerted at the maximum possible intercuspal position and in protrusion an in vivo study
topic incisal guidance
maximum intercuspal position
protrusion
url http://www.jpbsonline.org/article.asp?issn=0975-7406;year=2023;volume=15;issue=6;spage=931;epage=933;aulast=Lulla
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