Introduction: Surface integrity of dental elastomeric impression materials that are subjected to disinfection is of major importance for the quality of the final prosthetic restorations.
Aim: The aim of this qualitative Scanning Electronic Microscopy (SEM) study was to reveal the effects of immersion or ozone disinfection on the surface of four dental elastomeric impression materials.
Materials And Methods: Four dental elastomeric impression material brands were used (two vinyl polysiloxane silicones, one polyether, and one vinyl polyether silicone). Total of 32 specimens were fabricated, eight from each impression material. Specimens were immersion (0.525% sodium hypochlorite solution or 0.3% benzalkonium chloride solution) or ozone disinfected or served as controls and examined with SEM.
Results: Surface degradation was observed on several speci-mens disinfected with 0.525% sodium hypochlorite solution. Similar wavy-wrinkling surface structures were observed in almost all specimens, when treated either with 0.3% benzalkonium chloride solution or ozone.
Conclusion: The SEM images obtained from this study revealed that both immersion disinfectants and ozone show similar impression material surface alterations. Ozone seems to be non-inferior as compared to immersion disinfectants, but superior as to environmental protection.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5296566 | PMC |
| http://dx.doi.org/10.7860/JCDR/2016/20330.8949 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Evaluating Cost-effectiveness and Mixing Efficacy for Elastomeric and Temporary Restorative Material Using Two Mixing Tips: A SEM-EDS Analysis.
J Contemp Dent Pract
September 2024
Department of Prosthodontics and Crown & Bridge, Bharati Vidyapeeth Deemed to be University, Dental College and Hospital, Pune, Maharashtra, India, ORCID: https://orcid.org/0009-0008-7338-1699.
Aim: This study aimed to compare the mixing efficacy and cost-effectiveness of new T-mixer tips against the standard double helical tips for a light-body elastomeric impression and a temporary/interim restorative material using a scanning electron microscope (SEM) and energy-dispersive X-ray spectroscopy.
Methodology: Automixed samples ( = 16) were divided into four groups of four samples each: Samples that were mixed with Helical tip for elastomer, T-mixer tip for elastomer, Helical tip for interim restorative material, and T-mixer tip for interim restorative material. These samples were then evaluated for SEM analysis.
Technique for Spacer Adaptation and Custom Tray Fabrication in Impression Making for Fixed Prosthodontics.
Contemp Clin Dent
September 2024
Department of Dental Surgery, VMMC and Safdarjung Hospital, New Delhi, India.
The objective is to minimize the inaccuracies in two-step impressions by homogenizing the polymerization shrinkage of elastomeric impression material in fixed prosthesis fabrication. The objective is accomplished by the technique of spacer adaptation and custom tray fabrication for two-step impressions. The technique makes the use of two vacuum-adapted spacers, selected based on the viscosity of elastomeric impression, and a vacuum-adapted custom tray.
View Article and Find Full Text PDFComparing the Accuracy of Conventional Gypsum and 3D-Printed Dental Casts Using Three-Dimensional Analysis.
Mil Med
October 2024
Comprehensive Dentistry Department, 2-Year Advanced Education in General Dentistry Residency Program, Fort Cavazos, TX 76544, USA.
Introduction: Dental impressions and casts play a critical role in dental care, facilitating diagnoses and the fabrication of prostheses. Traditional methods of fabrication involve elastomeric materials that are more prone to errors and patient discomfort. Digital advancements offer promising alternatives, yet their accuracy and applicability to military dentistry remain under-explored.
View Article and Find Full Text PDFUnravelling the Complexity of Mucormycosis-A Rare Case Report.
Ann Maxillofac Surg
July 2024
Department of Oral and Maxillofacial Surgery, Madha Dental College and Hospital, Chennai, Tamil Nadu, India.
Rationale: Mucormycosis is a rare, life-threatening, invasive fungal infection often referred to as black fungus. It has gained significant attention due to its increasing incidence during the coronavirus pandemic of 2019.
Patient Concern: An 8-month-old child, whose identity is being withheld, arrived at our clinic with her parents with the chief complaint of swelling in the upper lip and cheek.
Modified Two-Step Impressions via the Incorporation of Venting Holes: A Technical Report.
Cureus
July 2024
Prosthodontics, Faculty of Oral and Dental Medicine, Delta University for Science and Technology, Gamasa, EGY.
This study presents a methodology for obtaining a precise impression of the crown margin of prepared teeth by utilizing a two-step impression technique. The method begins with the fabrication of a custom tray made from heat-cured acrylic resin, followed by the acquisition of an initial impression using putty elastomeric material. Subsequently, the impression is relieved around the prepared teeth, and vent holes are strategically placed through both the impression and the tray.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!