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Do you worship canine guidance? I think I went through a phase where I placed a very high importance on the presence or absence of canine guidance. I then got thinking...how and why are my patients with AOBs doing just fine? Why is it that some studies suggest that only 5% of the population has canine guidance, and others suggest up to 60%? Is group function really the villain? This is why I am open to listening to theories that explain this. Posterior Guided Occlusion is one such theory. I am joined by Dr Andy Toy to explore PGO concepts I wanted to delve deep in to PGO - so we split this episode in to 2 parts. https://youtu.be/k6T8cbqSY1I Need to Read it? Check out the Full Episode Transcript below! What we cover in this episode: We hear Andy Toy's storiesHow did he get in to 'Posterior Guided Occlusion', clear aligners and treating TMD?The journey that took him to PankeyThe story of how Andy met Ron Presswood and the influence that he had in his views on OcclusionWhat is patient driven splint adjustment?Why was Andy getting good results with PGO splints, just as he did with traditional tanner appliances?Why are we trying to switch muscles off, but Andy is trying to switch them 'on'!?The surprising origins of Bonwill's TriangleWhat is a functional occlusion?Realising that the the quality of the evidence in Occlusion is poor Link to Dr Andy Toy's eBook on PGO All the other downloads from every past episode is on the Protrusive Dental Community Click below for full episode transcript: Opening Snippet: Know what goes there's no evidence for this stuff that we're doing really, if you get down any sort of textbook like Dawson, right? Sitting up there, you go to the end of the chapter masses of references. And I had learned to look at those references in. Well, you know, they weren't nothing... Jaz's Introduction: Hello, Ron and welcome to another episode of Protrusive Dental podcast, a very special episode, something very different. Do you believe in canine guidance? It's the first thing that we're taught at dental school is the only thing that you remember about the occlusion aspect of dental school. Whereas having been to many occlusion courses, and then championing the role of canine guidance, I did always think why is it that some of my AOB patients are just fine? Why is it that some of your patients in fact, most of your patients, according to some studies, do not have canine guidance? And why is that okay? I think we've covered it a little bit in some of the episodes with Barry Glassman before, but I want to bring something completely different to the table. So today, I'm joined by Dr. Andy Toy, who is a fantastic dentist and mentor, based in Nottingham. He is an educator for Invisalign, and he treats TMD, does orthodontics and he has a massive interest in occlusion, hence why I connected with him. The story about Andy and you'll hear his story throughout is very fascinating how he did all the traditional routes of occlusion was also in favor of the traditional mainstream sort of knowledge about canine guidance, and then how he met some people, and how he also considered that they may be another way to think about occlusion, that might be another theory that we should consider. And that theory is the PGO, which is posterior guided occlusion. So imagine everything you know about occlusion, and turning upside down. And then thinking, whoa, I mean, this blew my mind when I first came across it. So I want that as part of the handout of this episode, I'm gonna leave Andy's ebook about PGO for you to read, because it's a two part episode. Part one, this one is more of the introduction how Andy had done all the other occlusion bits and bobs, and then learn about PGO, and then we talk a lot, we get a little bit deep into the PGO and I leave you in a bit of a cliffhanger. Sorry, not sorry. And next episode, we're going to get into how to actually apply PGO concepts, not patients,