Veratiq Dental
Veratiq Tempora Bis-Acryl Temporary Crown & Bridge Material, 10:1 Cartridge, 50 mL
200-0212
$56.95
Keystone IndustriesShips in 3 business days
Keystone Bosworth Trim II Temporary Acrylic — Kit & Liquid · Powder & Liquid Kit
SKU 010-0056MFR# 0921090
Item
Powder & Liquid Kit
Powder & Liquid Kit$122.70
Liquid, 4 oz$29.20
Trim II - Standard Kit - Temporary Crown and Bridge Resin: 6 - 1.5 oz. Bottles, 1 each of #59, #61, #62, #65, #69, #77 Powders and 1 - 4 oz. Bottle Liquid. #0921090
Keystone Bosworth Trim II Temporary Acrylic — Kit & Liquid is a temporary crown material from Keystone Industries, part of the Trim line.
This page carries 2 item options: Powder & Liquid Kit, Liquid, 4 oz.
Find it on our Restorative & Cosmetic shelf, under Temporary Crown Material.
Orders placed before 3 PM ET ship the same day when the item is on our shelf (otherwise within 3 business days), and ground shipping is free over $10.
Product
- Manufacturer
- Keystone Industries
- Manufacturer #
- 0921090
- Item code
- 010-0056
Catalog path
- Marketplace
- Clinical
- Category
- Restorative & Cosmetic
- Subcategory
- Temporary Crown Material
Ordering
- Status
- Ships in 3 business days
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Questions
What is Trim used for?
Trim II - Standard Kit - Temporary Crown and Bridge Resin: 6 - 1.5 oz.
Which item options are on this page?
This page carries 2 item options: Powder & Liquid Kit, Liquid, 4 oz. Pick one to see its price, part number and stock.
When does it ship?
In-stock orders placed before 3 PM ET ship the same day; anything not on our shelf ships within 3 business days.Ground shipping is free over $10.
About temporary crown material
A temporary crown and bridge resin is a material such as polymethylmethacrylate used to make a temporary crown or bridge, for use until the permanent restoration is made. The FDA classes it as a Class II device (21 CFR 872.3770). These materials divide into methacrylate resins, supplied as a liquid and powder and mixed by hand, and composite resin materials, supplied as two pastes and mostly automixed. Methacrylate resins set by a chemical reaction, while the composite-based ones are self-curing or dual-curing.
An interim prosthesis is a fixed or removable prosthesis made to improve appearance, stability or function for a limited period, after which a definitive prosthesis replaces it. The shelf holds both kinds of material, with the acrylic powders and liquids, the stain liquids and the glaze used to finish a provisional.
How the types on this shelf differ
- Temporary Crown Material — A self-polymerising acrylic is made from pre-polymerised powder and liquid monomer. A composite provisional material uses bis-acryl resin, a hydrophobic material similar to bis-GMA, and comes auto-polymerised, dual-polymerised or light-polymerised.
- Temporary C&B Accessories — Liquids, kits, temporary cement, stain and mixing tips rather than the crown material alone.
- Mixing Tips — The tips a cartridge of provisional material is dispensed through, and the refills filed with them.
How the two kinds of material differ
A review lists the drawbacks of the acrylic as high polymerisation shrinkage, release of residual monomer and ready staining. The same review notes that its contraction and the heat given off while it sets can interfere with the state of the mouth.
Materials containing no methyl methacrylate were introduced to reduce tissue toxicity and thermal irritation. In one laboratory study the self-curing acrylic gave off significantly more heat than the bis-acrylic composite, and took about twice as long to reach its peak temperature.
What to look at when choosing
Span: in a study of provisional materials, fracture of a long span restoration under considerable chewing force was described as more likely than fracture of a short span. How long it stays in: a review notes that provisionals are usually worn for a short time, but complex rehabilitations can keep them in place for a prolonged period.
What it has to do while it is in: cover exposed dentine, prevent unwanted tooth movement, maintain function, allow oral hygiene and prevent gingival overgrowth. Provisional restorations also allow the appearance, the occlusal vertical dimension and the new occlusal scheme to be tested before the final work.
Sources: The Glossary of Prosthodontic Terms, 9th edition (J Prosthet Dent 2017) · FDA 21 CFR 872.3770, Temporary crown and bridge resin · Jurel et al. 2020, A Review on the Biocompatibility of PMMA-Based Dental Materials for Interim Prosthetic Restorations (Materials) · Mohan et al. 2016, In vitro comparative evaluation of mechanical properties of temporary restorative materials used in fixed partial denture (J Pharm Bioallied Sci) · Sharma et al. 2015, Comparison of temperature rise in pulp chamber during polymerization of materials used for direct fabrication of provisional restorations (Eur J Dent) · Nejatidanesh et al. 2013, In vitro comparison of flexural strength and elastic modulus of three provisional crown materials (J Clin Exp Dent)
