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Directa FullForm Crown Forms (C System) · P · 2
SKU 107-0335MFR# 609624
Form
P
The Directa FullForm D-3 (C system) is a restorative and cosmetic product. It is utilized for temporary crown and bridge applications, supporting a range of procedures that require interim prosthetic solutions.
This Directa product is identified by its C system designation, indicating a specific formulation or application within the Directa range. Its manufacturer part number is 609639, with a GTIN of 17310236096396. It provides a specific option for dental professionals engaged in temporary crown and bridge work.
Product
- Manufacturer
- Directa
- Manufacturer #
- 609624
- Item code
- 107-0335
Catalog path
- Marketplace
- Clinical
- Category
- Restorative & Cosmetic
- Subcategory
- Crown Forms
Ordering
- Status
- Ships in 3 business days
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Questions
What is Directa FullForm Crown Forms (C System) used for?
The Directa FullForm D-3 (C system) is a restorative and cosmetic product.
Which form and size options are on this page?
This page carries 16 form options: F, E, A, B, D, C, G, L and 8 more. This page carries 7 size options: 4, 5, 3, 2, 1, 6, 7. 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 crown forms
Preformed provisional crowns, also called matrices, are tooth-shaped shells of plastic, cellulose acetate or metal. They come in a range of tooth sizes and are picked for a particular tooth anatomy. A shell is commonly relined with acrylic resin for a closer fit before it is cemented, and the plastic and metal shells can also be cemented straight onto the prepared tooth. The FDA calls this a preformed crown, a Class I device of plastic or metal, affixed temporarily to a tooth after the natural crown is removed or broken, and used as a working restoration until a permanent crown is made (21 CFR 872.3330).
Provisional crowns are either prefabricated or custom made. The shelf holds the prefabricated shells, as singles and as kits of several sizes.
What to look at when choosing a crown form
Size and shape: the forms are numbered by size, and the shelf carries anterior and molar shapes. Temporary materials have run from acrylics and premade crown forms to bis-acryl materials and computer-made restorations.
What the provisional has to do: cover exposed dentine, prevent unwanted tooth movement, maintain function, allow oral hygiene, prevent gingival overgrowth and give an adequate interim appearance.
Sources: Mohan et al. 2016, In vitro comparative evaluation of mechanical properties of temporary restorative materials used in fixed partial denture (J Pharm Bioallied Sci) · FDA 21 CFR 872.3330, Preformed crown · The Glossary of Prosthodontic Terms, 9th edition (J Prosthet Dent 2017) · Nejatidanesh et al. 2013, In vitro comparison of flexural strength and elastic modulus of three provisional crown materials (J Clin Exp Dent)
