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Posterior bitewings tend to overlap frequently

Hi guys can any one give me a tip on how to avoid overlap of the posterior bitewings? on #2 and #3 I have noticed with some patients their anatomy makes it difficult to get a perfect bitewing. I get great premolar bitewings and for the posteriors I just move the sensor back. Any tips on how to avoid that overlap? It usually only those 2 teeth from time to time.



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Author Note:
BITEWINGS not batwings

6 Answers

I aim the pid more anterior sometimes. Or I will put the sensor more towards the midline and try different angles with the sensor itself to try to get the contact open. If the teeth are overlapped in the mouth it can be difficult. Get a good bisecting angle and it should come out ok.

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Place your finger on top of #30/31. Angle the cone parallel to your finger. Same process for premolars.

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It may not help, but I’ve had issues off and on. I sometimes have to put a piece of floss in to get angle.

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Have you tried the cotton tip applicator trick? Have them bite gently on it after you place it on the interproximal ridge, line up your cone, remove the applicator, place your film and shoot.
Another trick is placing the censor more towards the center of the palate so the is not interference with the linfield of the teeth.

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If you’ll look at the contact between those teeth it is pretty much the direct line with the outer corner of the eye! So lining it up there and placing the sensor towards the middle of the mouth works well. There r also cheater rings out there, but u can still get overlap!

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Angle the pid more like you would for the premolars bite wings. This angle usually opens the contact. Check out your premolars bite wings a lot of the time the 2-3 contact is open in those. 🙂

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