Assessment of dimensional stability of novel VPES impression material at different time intervals with standard disinfectants.

Autor: Ahuja BM; Department of Prosthodontics and Crown & Bridge, Terna Dental College, Nerul, Navi Mumbai, Maharashtra, 400706, India., Pawashe KG; Department of Prosthodontics and Crown & Bridge, School of Dental Sciences, Krishna Vishwa Vidyapeeth, Deemed to be University, Karad, Satara, Maharashtra, India., Sanyal PK; Department of Prosthodontics and Crown & Bridge, School of Dental Sciences, Krishna Vishwa Vidyapeeth, Deemed to be University, Karad, Satara, Maharashtra, India., Al-Qarni MA; Department of Restorative Dental Sciences College of Dentistry, King Khalid University, P.O.Box 3263, 61471, Abha, Saudi Arabia., Alqahtani NM; Department of Prosthetic Dentistry, College of Dentistry, King Khalid University, Abha, Saudi Arabia., Alqahtani SM; Department of Prosthetic Dentistry, College of Dentistry, King Khalid University, Abha, Saudi Arabia., Ahmed AR; Department of Prosthetic Dentistry, College of Dentistry, King Khalid University, Abha, Saudi Arabia., Abdul Khader M; Division of Periodontics, Department of Periodontics and Community Dental Sciences (PCS), College of Dentistry, King Khalid University, Abha, Saudi Arabia., Elmahdi AE; Department of Prosthetic Dentistry, College of Dentistry, King Khalid University, Abha, Saudi Arabia., Chaturvedi S; Department of Prosthetic Dentistry, College of Dentistry, King Khalid University, Abha, Saudi Arabia. survedi@kku.edu.sa.; Department of Dental Research Cell, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Sant-Tukaram Nagar, Pimpri, Pune, 411018, India. survedi@kku.edu.sa.
Jazyk: angličtina
Zdroj: BMC oral health [BMC Oral Health] 2024 May 18; Vol. 24 (1), pp. 579. Date of Electronic Publication: 2024 May 18.
DOI: 10.1186/s12903-024-04323-5
Abstrakt: Background: Vinyl polyether silicone (VPES) is a novel impression biomaterial made of a combination of vinyl polysiloxane (VPS) and polyether (PE). Thus, it is significant to assess its properties and behaviour under varied disinfectant test conditions. This study aimed to assess the dimensional stability of novel VPES impression material after immersion in standard disinfectants for different time intervals.
Methods: Elastomeric impression material used -medium body regular set (Monophase) [Exa'lence GC America]. A total of 84 Specimens were fabricated using stainless steel die and ring (ADA specification 19). These samples were distributed into a control group (n=12) and a test group (n=72). The test group was divided into 3 groups, based on the type of disinfectant used - Group-A- 2% Glutaraldehyde, Group-B- 0. 5% Sodium hypochlorite and Group-C- 2% Chlorhexidine each test group was further divided into 2 subgroups (n=12/subgroup) based on time intervals for which each sample was immersed in the disinfectants - subgroup-1- 10 mins and Subgroup 2- 30 mins. After the impression material was set, it was removed from the ring and then it was washed in water for 15 seconds. Control group measurements were made immediately on a stereomicroscope and other samples were immersed in the three disinfection solutions for 10 mins and 30 mins to check the dimensional stability by measuring the distance between the lines generated by the stainless steel die on the samples using a stereomicroscope at x40 magnification.
Results: The distance measured in the control group was 4397.2078 µm and 4396.1571 µm; for the test group Group-A- 2% Glutaraldehyde was 4396.4075 µm and 4394.5992 µm; Group-B- 0. 5% Sodium hypochlorite was 4394.5453 µm and 4389.4711 µm Group-C- 2% Chlorhexidine was 4395.2953 µm and 4387.1703 µm respectively for 10 mins and 30 mins. Percentage dimensional change was in the range of 0.02 - 0.25 for all the groups for 10 mins and 30 mins.
Conclusions: 2 % Glutaraldehyde is the most suitable disinfectant for VPES elastomeric impression material in terms of dimensional stability and shows minimum dimensional changes as compared to that of 2% Chlorhexidine and 0.5% Sodium hypochlorite.
(© 2024. The Author(s).)
Databáze: MEDLINE
Externí odkaz: