Post systems allow for dental restorations that would otherwise be impossible because of inadequate tooth structure. A post is considered a foundation restoration because it enables build-up of tooth structure and root systems to allow for crowns. Post systems can be made up of various materials, including quartz, zirconia, carbon fiber, titanium, stainless steel, and glass. Posts can be prefabricated or cast for a custom fit. Prefabricated posts take less time to place, and there are many options to find a good fit. If there is not a prefabricated post that will fit the root canal correctly, one can be cast for an ideal fit. Post systems are radiopaque; this allows visibility of the post on an x-ray. A variety of posts should be kept on hand; this enables the dentist to choose the best fitting post and the best post material for each foundation restoration.
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| Company | Essential Dental Systems, Inc. | Essential Dental Systems, Inc. | Essential Dental Systems, Inc. | Essential Dental Systems, Inc. | Essential Dental Systems, Inc. |
| Item | EZ-Fit Passive Fiber Post System | EDS' AccessPost Overdenture Post System | Flexi-Flange Fiber Post System | Flexi-Post Fiber Post System | Flexi-Post Post System |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | EDS’s EZ-Fit Passive Fiber Post System is the most advanced post in its class. Unlike “dowel” fiber posts, the second tier prevents bottoming out that | The EDS AccessPost Overdenture's patented thick-walled, hollow-tube design, stabilizing flange, and undercuts of the shank offer strength, retention, | EDS’s Flexi-Flange Fiber features the highest in-tooth retention for fiber posts and provides high retention without the need for a bonding agent. | Made of proprietary epoxy-reinforced high-strength S-Glass fiber, Flexi-Post Fiber fiber posts provide high retention without the need for a bonding | Not Available |
| Quantity | 1 Primary Reamer
1 Secondary Drill
10 Posts | 510-00 - 2 Countersink Drills, 2 Primary Reamers, 5 Gates Glidden Drills, 8 Nylon Attachment Caps, 8 Passive Retreatable Overdenture Posts (4 Each of 2 Sizes), 8 Rubber Bands
515-00 - 2 Countersink Drills, 2 Primary Reamers, 5 Gates Glidden Drills, 8 Brass Transfer Studs, 8 Nylon Attachment Caps, 8 Passive Retreatable Overdenture Posts (4 Each of 2 Sizes), 8 Rubber Bands | 1 Countersink Drill
1 Depth Gauge
1 External Wrench
1 Primary Reamer
1 Tap
12 Posts (6 Each of 2 Sizes) | 1 Depth Gauge
1 External Wrench
1 Primary Reamer
1 Secondary Drill
1 Tap
12 Posts (6 Each of 2 Sizes) | 1 Extender
1 Guage
2 Wrenches
3 Primary Reamers
3 Secondary Drills
5 Gates Glidden Drills
12 Posts (4 Each of 3 Sizes) |
| Radiopaque | Not Available | Yes | Not Available | Yes | Yes |
| Material Composition | Glass Fiber | Stainless Steel | Glass Fiber | Glass Fiber | 110-00 / 110-01 - Stainless Steel
115-00 / 115-01 - Titanium |
| Shade (if applicable) | Not Available | Metal | Tooth Colored | Tooth Colored | Metal |
| Sizes | 0.85 mm
1.148 mm
1.397 mm | 1.10 mm
1.35 mm
1.60 mm | 0.88 mm
1.09 mm
1.22 mm | 0.88 mm
1.09 mm
1.22 mm | 0.75 mm
0.79 mm
1.0 mm
1.25 mm
1.50 mm |
| Straight/Tapered | Tapered | Parallel | Serrated | Tapered | Serrated |
| Active or Passive Insertion | Passive | Passive | Passive | Active | Not Available |
| Analogous Drills/Reamers Available | Yes | Yes | Yes | Yes | Yes |
| Get Info | Inquire | Inquire | Inquire | Inquire | Inquire |