1. Companion animal dental scaling without anesthesia. American Veterinary Dental College position statement adopted by the AVDC Board of Directors, April 10, 2004. Available at: www.avdc.org.
2. Essentials of small animal medicine;Nelson,1992
3. Saunders manual of small animal practice;Birchard,2000
4. Merck veterinary manual. 7th edition. Rahway, NJ: Merck and Company. p. 1361–5.
5. Lantz G. Regional anesthesia for dentistry and oral surgery. J Vet Dent 20(3):181–6.