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Subject:		Re: Re: Abfraction...my dentist looks at me like I've got two heads...
Name:		Marsha Koch
Date Posted:		Oct 5, 08 - 10:06 PM
Email:		marsha.koch@Gmail.com
How long have you been an RDH?		35 yrs.
Where are you located?		CT
Message:		Interesting discussion. DB RDH hit on something quite interesting regarding abfractions and the cause of abfractions, i.e., “I'm not advocating occlusion in every single case but it's certainly part of the diagnostic sieve...” From the reading that I’ve done on abfractions the pressure created by clenching and bruxism may not be the only factors contributing to abfractions, so I can in someways understand the confusion regarding the cause or multifactorial etiologhy of abfractions. Some of the causes may include, but are not limited to: 1. Bruxism or clenching 2. Improper forces on the teeth 3. Misaligned teeth 4. Lateral forces on the teeth generated by tongue-thrusting 5. Abrasion or Erosion (Abfractions can be caused by a combination of any of the above factors.) A very good article from a 2006 Journal of Dental Research, A Critical Review of Non-carious Cervical(Wear) Lesions and the Role of Abfraction, Erosion, and Abrasion, is a great place to start reading more about abfractions. Here is the online address: http://jdr.iadrjournals.org/cgi/content/full/85/4/306 The theroies of abfractions can be very perplexing. --- --- --- --- --- --- --- --- --- Replying to: It's a sad fact that occlusion is a much under estimated and ignored factor. Even when really complex full arch restorations are undertaken sometimes!! Yeah toothbrush abrasion probably happens but palatally, subgingivally and interdentally - what ARE these people doing!!??!! Our office would like to buy a T-Scan machine which not only identifies contacts but gives the sequence of contact and, perhaps most important, the relative pressure of the contact - something you'll never get from foil. Trouble is they're $8000 over here but we want one!!! We're doing more and more implants now this will be a really important factor in the more complex cases down the road. Occlusion is also a factor in perio continuation/recurrence. I had one pt with one site that wouldn't totally respond to anything until we noticed the wear facet and adjusted the bite - trouble dsappeared. I'm not advocating occlusion in every single case but it's certainly part of the diagnostic sieve...for you Boss obviously. DB
Replies:
Re: Abfraction...my dentist looks at me like I've got two heads... by smallrdh · Oct 5, 08 - 10:22 AM

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