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SafeSiders Relieved Reamers : What Are Your Impressions?

Anon asks:

I have been reading about the SafeSiders — relieved reamers produced by Essential Dental Systems. I have seen a lot of trafficking on the internet study clubs about how useful these relieved reamers are. The system they teach is to use stainless steel relieved reamers to open up the canal and then to refine the canal preparation with nickel titanium files. The relieved reamer is supposed to be flexible and strong.

The only time the nickel titanium files are used is to finish off the prep. I have never like using the rotary NiTi files. I think they remove too much tooth in the coronal and middle sections and not enough in the apical third, especially the canal terminus. What are your impressions of using these SafeSiders? Have they been helpful?

RelyX Clicker Dispenser

Anon asks:

I have been using RelyX Unicem (3M) for the last few years with great results. Not a single crown dislodged in that time. For single crowns I have been using their Applicap. For 3-4 unit bridges I have been using their Maxicap. Now they have come out with a clicker dispenser.

A few clicks and the pre-dosed cement mix goes on to the pad where you can mix and then load the castings. This eliminates having to triturate the cement capsule in the amalgamator. Has anybody tried the new clicker dispenser? Is this the same cement that is in the capsules? I would really like to get rid of that step of having to drag out my amalgamator to mix the cement. What has been your experience?

TeraRecon Launches PreXion 3D CBCT Website

TeraRecon (www.terarecon.com), a leader in advanced imaging processing technology and solutions, recently announced the launch of a new dedicated web site for its PreXion3D Dental CBCT scanner.

The PreXion3D scanner was introduced to the US market earlier this year, with the first customer installation completed in June. To date, approximately 50 PreXion3D units have been installed globally including those in use by TeraRecon’s team of world-renowned luminary advisors. Dr Arun K. Garg commented on PreXion3D: “After using several scanners, the office staff and I agree that this is absolutely the best one when it comes to image quality, ease of use, office space utilization, and return on investment.”

The revolutionary PreXion 3D CBCT scanner obtains the most projection images at high magnification, and as a result, achieves excellent image quality and optimum balance between resolution and field of view. Thanks to TeraRecon’s unique XTrillion processor, image reconstruction is completed in 30 seconds for 512 projections or 90 seconds in high-resolution
mode when 1,024 projections are obtained in a single 360° rotation.

For more information please visit www.PreXion3D.com.

Source: TeraRecon, Inc.

Starfill 2B Dual Cure Composite: Any Suggestions?

Anon asks:
I have been using Starfill 2B (Danville) a dual fill flowable resin for Class II proximal boxes. I am not aware of any other dual cure flowables. One problem I have encountered is that the delivery tube consumes a lot of resin. The delivery tube is also bulky and difficult to use in small areas. The other is cost because using this can be expensive. It also takes 5 minutes to self cure. Does anybody know of any other dual cured resin that works well?

H&H Impression Technique: To Pack or Not To Pack?

I recently started using the H&H impression technique for crown impressions. I bought the materials from J. Morita. I use Blue Velvet (bite registration type material) to make the initial impression. Than I do the second impression – the wash – using the Flexi Velvet, low viscosity material.

So far the crowns have fit great. I wait until the Blue Velvet has just started to set and then I have the patient open and I inject a small amount of the Flexi Velvet in the cervical area of the Blue Velvet impression and have the patient close. I am still packing cord. Some people who use this system do not pack cord. Does it still work if you do not pack cord?

V-Ring: Easier Method for Achieving Tight Interproximal Contact?

Dr. R. asks:

I just started using the V-Ring from Australia. I have never had such an easy and predictable method for achieving tight interproximal contact. The V-Ring engages the interproximal area just like the Palodent and Garrison rings. The difference is that the V-Ring has a V shaped leg on each side of the ring. The V fits over the wedge. The only limitation I have found is that it can only be used for small Class II cavity preparations. It is also quite expensive. What are your experiences with the V-Ring?

HotShot: Cordless Obturation Delivery Device

Discus Dental has come out with a new delivery system for warm gutta-percha called the HotShot. The temperature of the gutta-percha can be set up to 230 degrees Centigrade. It has the advantage of being cordless. This is supposed to be used for a backfill. Has anybody tried this and if so, how did it work? What did you do to fill the apical area before you used the backfill?

Plastic Endodontic File: Replace Ultrasonic Cleansing?

Dr. R. asks:

I finish off all my endo instrumentation with an ultrasonic cleansing of the canal space. This always entails a lot of time and equipment. I am convinced that this is an essential part of the process. The research has shown that ultrasonic produces a cleaner canal.

However, I would like to try the Plastic Endo file. This is supposed to replace the ultrasonics. But I am concerned about how thorough a job it does. I am also concerned about breaking off a plast file in the canal. Has anbody tried this product yet? What has your experience been?

Generate Surgical Guide for Mandibular Overdenture?

Dr. L. asks:

I have been restoring simple dental implant cases for 4 years and have just started to utilize CT scans and computer-generated surgical guides. I usually make my own surgical guides for single implants in a partially edentulous arch and rely on my surgeon for the larger cases or edentulous arches.

Is it overkill to obtain a CT scan and specifically the generated surgical guide for a mandibular 2 implant supported overdenture (on locators) opposing a full upper denture?

In the past, I have followed the technique of duplicating the mandibular denture in clear acrylic and fabricating the surgical guide myself. However, the dental implants are rarely parallel and usually are outside of the 10-20 degree tolerance for locators. Any thoughts?

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