Feline Tooth Resorption 

Feline tooth resorption typically originates in the cementum, may progress into root 
dentin, and then either progress through the root, into the crown, or both. Tooth 
resorption that can be identified on oral examination is an indication for radiographic 
evaluation and treatment.

 Intraoral radiography is required to properly evaluate this 

condition.

 Whole-mouth radiographs are recommended to evaluate other teeth in the 

mouth.  
Complete extraction is the treatment of choice for teeth that have detectable crown 
resorption but no radiographic evidence of root resorption. Teeth with crown resorption 
but radiographic signs of advanced root resorption (and no concurrent periodontal 
disease, periapical periodontitis or stomatitis) may be treated by subgingival amputation.  
Either form of treatment should be followed by gingival closure.  
If there is radiographic evidence of root resorption, but no clinical resorption can be 
detected on oral examination, the tooth can be "monitored" or preemptively extracted. 
Restoration of these teeth is not recommended.  
Semiannual dental examinations are recommended for all cats with previous diagnosis of 
tooth resorption.  Radiography should be repeated annually or more frequently as dictated 
by the oral examination.  
 

Adopted by the AVDC Board, April 2006, revised April 2007