In recent years, dentistry has steadily gained more prominence in veterinary medicine, including exotic and wild animal medicine. It is known that dental diseases are among the most common diseases in captured big cats. However, so far, there is no standardized method for dental radiography in these animals. Therefore, this study aimed to develop a standardized procedure for the systematic radiographic examination of the teeth in big cats. In total, 34 big cats, including 21 lions and 13 tigers, of different ages were examined. Animals that needed treatment for known dental diseases and those that had to be anesthetized for other medically necessary procedures and dental health status examinations were included. Intraoral dental radiographs were captured with digital imaging plates designed for intraoral dental radiography in horses. Based on the intraoral dental radiography procedures used in domestic cats, both the bisecting angle technique and parallel technique were used. A hemisphere model originally developed for horses was used to describe the path and position of the x-ray beam as accurately as possible. The results demonstrated that it was possible to completely image all the teeth of big cat dentition on seven radiographs using the described method. This method can be used to acquire high-quality intraoral dental radiographs in big cats, aiding in the quick and reliable diagnosis of dental diseases.
HolmstromSEBellowsJJurigaS, et al.2013 AAHA dental care guidelines for dogs and cats. J Am Anim Hosp Assoc. 2013;49(2):75-82.
2.
WoodwardTM. Dental radiology. Top Companion Anim Med. 2009;24(1):20-36.
3.
NiemiecBA. Feline dental radiography and radiology: a primer. J Feline Med Surg. 2014;16(11):887-899.
4.
EickhoffM. Zahn-, Mund- und Kieferheilkunde bei Klein- und Heimtieren. Enke; 2005.
5.
WiggsRBBloomBC. Exotic placental carnivore dentistry. Vet Clin North Am Exot Anim Pract. 2003;6(3):571-599.
6.
WhittenCVogelnestLD'ArcyRThomsonPPhalenD. A retrospective study of reported disorders of the oral cavity in large felids in Australian zoos. J Zoo Wildl Med. Mar 1 2019;50(1):16-22. doi:10.1638/2016-0170
7.
SchneiderLAJimenezIACrouchEEV, et al.Dental diseases and other oral pathologies of captive jaguars (panthera onca) from Belize, Central America. J Zoo Wildl Med. Jan 2021;51(4):856-867. doi:10.1638/2019-0222
HinshawKCAmandWBTinkelmanCL. Preventive medicine. In: KleimanDGAllenMEThompsonKVLumpkinS, eds. Wild mammals in captivity: principles and techniques. University of Chicago Press; 1996:14-24.
10.
GlattSEFranclKEScheelsJL. A survey of current dental problems and treatments of zoo animals. Int Zoo Yearb.2008;42(1):206-213.
11.
FaganDAOosterhuisJEKirkmanJE. A review of the expanding field of exotic animal oral health care - veterinary dentistry. J Vet Dent. 1998;15(3):117-128.
12.
KerteszP. Dentistry. In: BellCE, ed. Encyclopedia of the world's zoos. Fitzroy Dearborn Publishers; 2001:341-344.
13.
FahrenkrugPMihaljevicSY. Zahnprobleme bei Großkatzen. In: Proceedings of the 7th Annual Congress of the Deutsche Gesellschaft für Tierzahnheilkunde. 2011.
14.
VerstraeteFJKassPHTerpakCH. Diagnostic value of full-mouth radiography in cats. Am J Vet Res. 1998;59(6):692-695.
15.
GorrelC. Tooth resorption in cats: pathophysiology and treatment options. J Feline Med Surg. 2015;17(1):37-43.
16.
DuPontGA. Radiographic evaluation and treatment of feline dental resorptive lesions. Vet Clin North Am Small Anim Pract. 2005;35(4):943-962.
17.
MihaljevicSY. Zahnradiologie bei Hund und Katze. Schluetersche; 2010.
18.
FahrenkrugP. Dentales Röntgen. In: Proceedings of the 7th Annual Congress of the Deutsche Gesellschaft für Tierzahnheilkunde. 2011.
19.
DuPontGADeBowesLJ. Comparison of periodontitis and root replacement in cat teeth with resorptive lesions. J Vet Dent. 2002;19(2):71-75.
NortonBBTunsethDHolderKBriggs MLACHMurrayS. Causes of morbidity in captive African lions (Panthera leo) in North America, 2001-2016. Zoo Biol. Sep 2018;37(5):354-359. doi:10.1002/zoo.21435
22.
VerstraeteFJvan AardeRJNieuwoudtBAMauerEKassPH. The dental pathology of feral cats on Marion Island, part II: periodontitis, external odontoclastic resorption lesions and mandibular thickening. J Comp Pathol. 1996;115(3):283-297.
23.
VerstraeteFJvan AardeRJNieuwoudtBAMauerEKassPH. The dental pathology of feral cats on Marion Island, part I: congenital, developmental and traumatic abnormalities. J Comp Pathol. 1996;115(3):265-282.
24.
RouxPBergerMStichHSchawalderP. Oral examination and radiographic evaluation of the dentition in wild cats from Namibia. J Vet Dent. Spring 2009;26(1):16-22. doi:10.1177/089875640902600106
25.
AghashaniAKimASKassPHVerstraeteFJ. Dental Pathology of the California Bobcat (Lynx rufus californicus). J Comp Pathol. 2016;154(4):329-340.
26.
AghashaniAKimASKassPHVerstraeteFJM. Dental and Temporomandibular Joint Pathology of the California Mountain Lion (Puma concolor couguar). J Comp Pathol. Feb - Apr 2017;156(2-3):251-263. doi:10.1016/j.jcpa.2016.11.269
27.
ColladosJGarciaCRiceCA. Dental Pathology of the Iberian Lynx (Lynx pardinus), Part I: congenital, Developmental, and Traumatic Abnormalities. J Vet Dent. Sep 2018;35(3):195-208. doi:10.1177/0898756418793578
28.
ColladosJGarciaCSoltero-RiveraMRiceCA. Dental Pathology of the Iberian Lynx (Lynx pardinus), Part II: periodontal Disease, Tooth Resorption, and Oral Neoplasia. J Vet Dent. Sep 2018;35(3):209-216. doi:10.1177/0898756418794022
29.
KerteszP. Dental diseases and their treatment in captive wild animals. In: A colour atlas of veterinary dentistry and oral surgery. Wolfe Publishing; 1993:215-281.
30.
HopeKDeemSL. Retrospective study of morbidity and mortality of captive jaguars (Panthera onca) in North America: 1982-2002. Zoo Biology: Published in Affiliation with the American Zoo and Aquarium Association. 2006;25(6):501-512.
31.
HaberstrohLIUllreyDESikarskiJGRichterNAColmeryBHMyersTD. Diet and oral health in captive Amur tigers (Panthera Tigris altaica). J Zoo Anim Med. 1984;15(4):142-146.
32.
ColyerF. Variations and diseases of the teeth of animals. John Bale, Sons & Danielsson; 1936.
33.
RobinsonPT. A literature review of dental pathology and aging by dental means in nondomestic animals: part II. J Zoo Anim Med. 1979;10(3):81-91.
34.
CiobotaruESoareTDinescuGConstantinescuCMilitaruM. Valvular and parietal endocarditis in a Bengal tiger. J Comp Pathol. 2010;143(4):345.
35.
LevinJ. Tooth resorption in a Siberian tiger. Proceedings of the 10th Annual Veterinary Dental Forum. 1996:212-214.
36.
GiosoMA. Prevalence of oral lesions in Puma concolor and Panthera onca in the state of Sao Paolo. Proceedings of the 15th Annual Veterinary Dental Forum. 2001:200.
37.
BergerMSchawalderPStichHLussiA. Feline dental resorptive lesions in captive and wild leopards and lions. J Vet Dent. 1996;13(1):13-21.
FahrenkrugP. Der stomatologische Untersuchungsgang bei Hund und Katze. Upjohn; 1993.
40.
EmilyP. Intraoral radiology. Vet Clin North Am Small Anim Pract. 1986;16(5):801-816.
41.
ShippADFahrenkrugP. Practitioner's guide to veterinary dentistry. Dr. Shipp's Laboratories; 1992.
42.
StollMRosKVogtC, et al.The hemisphere model - A new description of directions for head radiographs in the horse. Pferdeheilkunde. 2011;27(2):115-118.
43.
NiemiecBA. Case based dental radiology. Top Companion Anim Med. Feb 2009;24(1):4-19. doi:10.1053/j.tcam.2008.12.001
44.
RowlandsJA. The physics of computed radiography. Phys Med Biol. 2002;47(23):R123-R166.
45.
GenglerWDubielzigRRamerJ. Physical examination and radiographic analysis to detect dental and mandibular bone resorption in cats: a study of 81 cases from necropsy. J Vet Dent. 1995;12(3):97-100.
46.
LemmonsM. Clinical feline dental radiography. Vet Clin North Am Small Anim Pract. May 2013;43(3):533-554. doi:10.1016/j.cvsm.2013.02.003
47.
MihaljevicSYKernmaierAMertens-JentschS. Radiographic changes associated with tooth resorption type 2 in cats. J Vet Dent. 2012;29(1):20-26.
48.
KortegaardHEQvistJNielsenCGEriksenT. Endodontic treatment of a tiger. J Vet Dent. 2003;20(3):149-153.
