![]() With WaveOne, it’s absolutely critical when we start, always with the Primary 25/08 file, that we have a glide path. Now I want to share with you what I learned and I’ll say it in just a few words. So, after I had done all the tours… after I had finished all the workshops… I had modified my teaching along the journey. What you see in an S-block, if you don’t perform well and follow the step-by-step teaching, is you’ll notice that there is a tendency for belly, there is some internal transportations or ledges, and then, of course, it’s very easy to have an apical transportation around the second curve. Everybody in my workshops uses the S-block because I want them to have a real challenge… Not just a “big piece of cake” and go home thinking they mastered something. So it’s a pretty good measure of how one’s doing. One curve is about 35 or 40 degrees, and one is probably about 25 or 30 degrees. The S-block has multi-planar curvature and each curve is significant. There is another model that has about a 60 degree curvature. One has a gentle curve… probably 20-25 degrees. So, coming back to plastic, there is at least three models one can use in workshops. ![]() So you don’t have the Brinell hardness number of the dentin to hold the file centered, especially in curvature. Plastics multiple times softer than dentine. Any little mistakes that occur along the way are magnified. ![]() So, typically we choose plastic, which is a very poor medium to practice anything on because plastic is very, very unforgiving. There is a lot of different mediums one can use when they’re doing workshops, but when we’re shaping canals, obviously teeth are not always readily available, especially if you’re doing hundreds of doctors over about 2-1/2 weeks. As the teacher got better, the results got better. Or, “Did I really learn some of the mistakes I saw in the first group, emphasize those mistakes and do teacher rounds in the second group, learning from the second group, and applying even better teaching methods to the third group?” I would have to admit to you very frankly, the teacher got better. So, then I was left with the thought that night, “Did they get better because the groups were better? Were the second and third groups better than the first and second groups?”… that kind of thinking. What I noticed was every workshop class got a little bit better. I started in Dammam as I said, and in Dammam, we did three workshops at 30 each… That’s a little less than a hundred. So I taught the WaveOne instrument technique, single-file technique, in didactic lectures to hundreds of people. So we must measure what it is we’re trying to do so we can figure out if we’re actually getting better. I noticed that as I improved on my teaching, the colleagues taking my workshops, their performances improved, and if you know Ruddle at all you know that, for me, nothing in life is that important, unless you measure. I gave nine workshops, 30 doctors at a time, so 270 doctors attended my workshops. I went to three cities, Al-Khobar in the eastern province of Saudi Arabia Jeddah on the Red Sea and then Kuwait City in Kuwait. Then you give lectures about it, and your lectures are evolving as your speakage improves, as you better understand how to connect with the audience and help them have the same experiences that you’re having. Then, you write articles about it, and it formulates your thinking even more. So when you co-invent something and it takes four years to get to market, you think you know quite a bit about that instrument as you spend hundreds of hours during the validation process. ![]() To put this blog into perspective, I’m going to tell you what I learned about a file that I helped co-invent. Greetings! This is another blog and special attention will be given to WaveOne, the new single-file / single-use system by Dentsply Maillefer (Dentsply Tulsa in North America). ![]()
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