I don't mean to be blunt or dismissive, but the pressure in the veins/arteries has nothing to do with (a) the thickness/elasticity of the wall tissue, (b) the diameter of the arteries/veins, or (c) the number of (branches of) arteries/veins.
This can either be caused by a more prominent maxilla (upper jaw) or a retruded mandible (lower jaw further back than it should be). This causes a discrepancy in how all teeth contact, and can manifest as an increased overjet. An increased overjet can also be caused by a discrepancy in the number of teeth, or the length of the arch.
Here's some light on the issue: Burn Baby Burn The last thing I want to address today is the subject of deceleration backfire, or âpoppingâ. This topic generates a lot of concern from inexperienced riders, or even from experienced guys who just hate the noise, so lets take a look at what causes it. But first things first, lets define the issue: Deceleration Backfire is caused by fuel burning in the exhaust manifold or header. No ifs ands or buts, thatâs what causes it. But the bigger question is how does gas get there in the first place, and thatâs a bit more complicated.