3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions

Aim: This study aimed to investigate the dimensional stability of irreversible hydrocolloid and polyvinylsiloxane (P.V.S.) impressions after exposure to four commercial disinfectants using cone-beam computed tomography (CBCT). Materials and Methods: Two different impression materials were tested: ir...

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Autores principales:	Kuei-ling Hsu, Abdulrahman A. Balhaddad, Isadora Martini Garcia, Fabrício Mezzomo Collares, Vineet Dhar, Louis DePaola, Mary Anne Melo
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Impression materials Infection control Irreversible hydrocolloid Polyvinyl siloxane Dental materials Medicine R Dentistry RK1-715
Acceso en línea:	https://doaj.org/article/2c61fcd1984d4208b08234c036deea9d
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spelling	oai:doaj.org-article:2c61fcd1984d4208b08234c036deea9d2021-11-10T04:20:19Z3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions1013-905210.1016/j.sdentj.2020.12.001https://doaj.org/article/2c61fcd1984d4208b08234c036deea9d2021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1013905220308051https://doaj.org/toc/1013-9052Aim: This study aimed to investigate the dimensional stability of irreversible hydrocolloid and polyvinylsiloxane (P.V.S.) impressions after exposure to four commercial disinfectants using cone-beam computed tomography (CBCT). Materials and Methods: Two different impression materials were tested: irreversible hydrocolloid and P.V.S. Four disinfection solutions were applied: BirexSE, Opti-Cide3, COEfect MinuteSpray, and CaviCide Spray. Distilled water was used as a control group. Each solution remained in contact with the impression for 5 min. Additional contact time of 5 min compromises time for scanning. The materials were evaluated for dimensional stability after the impression of a maxillary complete edentulous template via CBCT before and after being in contact with the disinfectant agents. Measurements were assessed on the digital models from A-B, B-C, and C-A points. Paired analyses (Wilcoxon Signed Rank test or paired Student's t-test) were used to analyze each measurement before and after the contact with the disinfectant agents. The variance for each measurement was also analyzed via a one-way analysis of variance or Kruskal-Wallis. Results: Overall, there were no statistical differences among the points measurements in the irreversible hydrocolloid or P.V.S. between initial and final assessments (p > 0.05). The used disinfectant agents in this study did not influence each measurement's variation on irreversible hydrocolloid or P.V.S. (p > 0.05). All agents showed an effect on the dimensional stability of both impression materials. The differences in the three dimensions ranged between 0.34 and 1.54%. Conclusion: Within 10 min of removing the impression from the master cast, is study's findings indicated that the four commercially available disinfectants did not influence the dimensional stability of irreversible hydrocolloid or P.V.S. Further studies should be performed to elucidate the antimicrobial effect of these solutions applied as a spray on the surface of irreversible hydrocolloid and P.V.S. impressions.Kuei-ling HsuAbdulrahman A. BalhaddadIsadora Martini GarciaFabrício Mezzomo CollaresVineet DharLouis DePaolaMary Anne MeloElsevierarticleImpression materialsInfection controlIrreversible hydrocolloidPolyvinyl siloxaneDental materialsMedicineRDentistryRK1-715ENSaudi Dental Journal, Vol 33, Iss 7, Pp 453-461 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Impression materials Infection control Irreversible hydrocolloid Polyvinyl siloxane Dental materials Medicine R Dentistry RK1-715
spellingShingle	Impression materials Infection control Irreversible hydrocolloid Polyvinyl siloxane Dental materials Medicine R Dentistry RK1-715 Kuei-ling Hsu Abdulrahman A. Balhaddad Isadora Martini Garcia Fabrício Mezzomo Collares Vineet Dhar Louis DePaola Mary Anne Melo 3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions
description	Aim: This study aimed to investigate the dimensional stability of irreversible hydrocolloid and polyvinylsiloxane (P.V.S.) impressions after exposure to four commercial disinfectants using cone-beam computed tomography (CBCT). Materials and Methods: Two different impression materials were tested: irreversible hydrocolloid and P.V.S. Four disinfection solutions were applied: BirexSE, Opti-Cide3, COEfect MinuteSpray, and CaviCide Spray. Distilled water was used as a control group. Each solution remained in contact with the impression for 5 min. Additional contact time of 5 min compromises time for scanning. The materials were evaluated for dimensional stability after the impression of a maxillary complete edentulous template via CBCT before and after being in contact with the disinfectant agents. Measurements were assessed on the digital models from A-B, B-C, and C-A points. Paired analyses (Wilcoxon Signed Rank test or paired Student's t-test) were used to analyze each measurement before and after the contact with the disinfectant agents. The variance for each measurement was also analyzed via a one-way analysis of variance or Kruskal-Wallis. Results: Overall, there were no statistical differences among the points measurements in the irreversible hydrocolloid or P.V.S. between initial and final assessments (p > 0.05). The used disinfectant agents in this study did not influence each measurement's variation on irreversible hydrocolloid or P.V.S. (p > 0.05). All agents showed an effect on the dimensional stability of both impression materials. The differences in the three dimensions ranged between 0.34 and 1.54%. Conclusion: Within 10 min of removing the impression from the master cast, is study's findings indicated that the four commercially available disinfectants did not influence the dimensional stability of irreversible hydrocolloid or P.V.S. Further studies should be performed to elucidate the antimicrobial effect of these solutions applied as a spray on the surface of irreversible hydrocolloid and P.V.S. impressions.
format	article
author	Kuei-ling Hsu Abdulrahman A. Balhaddad Isadora Martini Garcia Fabrício Mezzomo Collares Vineet Dhar Louis DePaola Mary Anne Melo
author_facet	Kuei-ling Hsu Abdulrahman A. Balhaddad Isadora Martini Garcia Fabrício Mezzomo Collares Vineet Dhar Louis DePaola Mary Anne Melo
author_sort	Kuei-ling Hsu
title	3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions
title_short	3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions
title_full	3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions
title_fullStr	3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions
title_full_unstemmed	3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions
title_sort	3d cone-beam c.t. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/2c61fcd1984d4208b08234c036deea9d
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3D cone-beam C.T. imaging used to determine the effect of disinfection protocols on the dimensional stability of full arch impressions

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