Sites even you’re doing a very involved case dental insurance for veterans cases require less than that see you should never be short on opportunities to use dental insurance for veterans this device now deep you know it’s a general chart three millimeters for anterior.
Teeth five millimeters for posterior my experience is two to four I don’t really use five millimeters very much but it’s available to you you certainly can the temporary Anchorage devices that are placed go in anywhere from five .
To eight millimeters so you have an opportunity to to give yourself some good depth without hitting any other structures one of the reasons that we don’t do the full anesthesia mode meaning numb the entire arch or .
Numb a quadrant or do a block is because you do want those teeth vital so that while you’re performing your technique if you happen to get within a millimeter of the PDL the patient will let you know that they’re starting to feel an increase in pressure.
It’s a good indicator to back off so if you numb the whole tooth if you numb the area within a block of some sort and the teeth can’t respond now you have an opportunity to touch the tooth and not know it so much better off keeping a drop of anesthetic .
Nearby make your perforation if the patient responds with a little extra pressure that they’re feeling you can back right out so again the technique.
It can be whatever the teeth the bone the distance between them affords you if it’s one site great if it’s too terrific if it’s three home run if it’s a triangle that’s fine obviously when we’re doing orthodontics