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SpiraPost: Little Metal Fibers Coming Off Post?
The advertisement for Spirapost (Zenith Dental) shows all these little metal fibers coming off the post that are supposed to engage the composite core. This kind of makes sense for retention of the core material. But has anybody tried this technique? Are those little metal fibers sharp and can they puncture a glove? Is the central metal post thick enough and strong enough?
Editors Note:
According to Zenith:
“The innovative new Spirapost PFS (Poly Fiber Strands), exclusively from Zenith Dental, naturally flexes to conform to the shape of the canal, to offer the benefits of a custom fit for all root canal configurations. Due to its unique design, Spirapost is able to adapt to the irregularities of the canal, so it minimizes the removal of tooth material. Non-technique-sensitive and highly esthetic, Spirapost is simply the most advantageous dental post now available.”
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What is so interesting about this method is that is makes so much sense.
I am not worried about a glove problem besides it would be completely clean even if you did.
The thing to remember….if not enough tooth structure…..nothing will hold the crown on.
Great product. It makes alot of sense and it actually does work.
What I do is use a bonding agent on the post hole and what is left on the tooth.
I place core material into the post hole, put in the spiralpost and add more material to fill the tooth and/or complete the buildup.
I have only been using this for three month so it is too soon to determine long term excellence.
I’ve used this system. It works pretty well, although it is kind of difficult to get the post to seat if the canal is very narrow. I had to take several xrays to ensure that the post seated fully. It’s also a gamble when seating the post once the cement is in the canal and on the post. Once the fibers engage the walls of the canal, you feel resistance and it feels like the post is seated fully, but it may not be. My P&C was on #9 and it worked out great, but I wouldn’t use this in all situations.
I have used this system since its introduction. I have had zero (0) failures to date. I etch and bond the canal and all remaining tooth structure using a dual cure bonding agent. I then use Luxacore to cement the post and fill in the missing tooth structure. I do place bonding agents on the bristles. For your information the bristles won’t tear your gloves. The post is almost like a proxibrush.