Temporomandibular Joint Pathology of Wild Carnivores in the Western USA
Skull specimens from: southern sea otter ( Enhydra lutris nereis ), Eastern Pacific harbor seal ( Phoca vitulina) , California sea lion ( Zalophus californianus) , northern fur seal ( Callorhinus ursinus ), walrus ( Odobenus rosmarus ), polar bear ( Ursus maritimus) , North American brown bear ( Urs...
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crfrontiers:10.3389/fvets.2021.657381 2024-02-11T10:02:49+01:00 Temporomandibular Joint Pathology of Wild Carnivores in the Western USA Rickert, Siobhan S. Kass, Philip H. Verstraete, Frank J. M. School of Veterinary Medicine, University of California, Davis 2021 http://dx.doi.org/10.3389/fvets.2021.657381 https://www.frontiersin.org/articles/10.3389/fvets.2021.657381/full unknown Frontiers Media SA https://creativecommons.org/licenses/by/4.0/ Frontiers in Veterinary Science volume 8 ISSN 2297-1769 General Veterinary journal-article 2021 crfrontiers https://doi.org/10.3389/fvets.2021.657381 2024-01-26T09:57:49Z Skull specimens from: southern sea otter ( Enhydra lutris nereis ), Eastern Pacific harbor seal ( Phoca vitulina) , California sea lion ( Zalophus californianus) , northern fur seal ( Callorhinus ursinus ), walrus ( Odobenus rosmarus ), polar bear ( Ursus maritimus) , North American brown bear ( Ursus arctos) , American black bear (Ursus americanus) , California mountain lion ( Puma concolor couguar ), California bobcat ( Lynx rufus californicus) , gray fox ( Urocyon cinereoargenteus) , kit fox ( Vulpes macrotis) , and gray wolf ( Canis lupus) ( n = 5,011) were macroscopically examined for dental and temporomandibular joint (TMJ) pathology. The presence of temporomandibular joint osteoarthritis (TMJ-OA) varied across species: 4.1% of southern sea otter, 34.5% of harbor seal, 85.5% of California sea lion, 20% of northern fur seal, 60.5% of walrus, 9.2% of polar bear, 13.2% of North American brown bear, 50% of American black bear, 20.9% of California mountain lion, 0% of California bobcat and gray fox, 6.3% of kit fox, and 11.6% of gray wolf specimens had lesions consistent with TMJ-OA. TMJ-OA was significantly more prevalent in males than females in walrus, North American brown bear, polar bear, American black bear, and California mountain lion ( p < 0.001, p = 0.005, p = 0.005, p = 0.002, and p = 0.004, respectively). No other species showed a sex predilection. Adult specimens were significantly more affected with TMJ-OA than young adults in the harbor seal, fur seal, walrus (all p < 0.001), and kit fox ( p = 0.001). Gray wolf and American black bear young adults were significantly ( p = 0.047 and p < 0.001) more affected by TMJ-OA than adults. Of the 13 species analyzed, only three species, namely the harbor seal, northern fur seal, and polar bear, had a significant increase in the prevalence of TMJ-OA if their teeth had attrition and abrasion ( p < 0.001, p < 0.001, and p = 0.033, respectively). TMJ-OA can lead to morbidity and mortality in wild animals, but its etiology is ... Article in Journal/Newspaper Canis lupus gray wolf harbor seal Odobenus rosmarus Phoca vitulina polar bear Ursus arctos Ursus maritimus Callorhinus ursinus Lynx Northern fur seal walrus* Frontiers (Publisher) Pacific Frontiers in Veterinary Science 8 |
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Frontiers (Publisher) |
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crfrontiers |
language |
unknown |
topic |
General Veterinary |
spellingShingle |
General Veterinary Rickert, Siobhan S. Kass, Philip H. Verstraete, Frank J. M. Temporomandibular Joint Pathology of Wild Carnivores in the Western USA |
topic_facet |
General Veterinary |
description |
Skull specimens from: southern sea otter ( Enhydra lutris nereis ), Eastern Pacific harbor seal ( Phoca vitulina) , California sea lion ( Zalophus californianus) , northern fur seal ( Callorhinus ursinus ), walrus ( Odobenus rosmarus ), polar bear ( Ursus maritimus) , North American brown bear ( Ursus arctos) , American black bear (Ursus americanus) , California mountain lion ( Puma concolor couguar ), California bobcat ( Lynx rufus californicus) , gray fox ( Urocyon cinereoargenteus) , kit fox ( Vulpes macrotis) , and gray wolf ( Canis lupus) ( n = 5,011) were macroscopically examined for dental and temporomandibular joint (TMJ) pathology. The presence of temporomandibular joint osteoarthritis (TMJ-OA) varied across species: 4.1% of southern sea otter, 34.5% of harbor seal, 85.5% of California sea lion, 20% of northern fur seal, 60.5% of walrus, 9.2% of polar bear, 13.2% of North American brown bear, 50% of American black bear, 20.9% of California mountain lion, 0% of California bobcat and gray fox, 6.3% of kit fox, and 11.6% of gray wolf specimens had lesions consistent with TMJ-OA. TMJ-OA was significantly more prevalent in males than females in walrus, North American brown bear, polar bear, American black bear, and California mountain lion ( p < 0.001, p = 0.005, p = 0.005, p = 0.002, and p = 0.004, respectively). No other species showed a sex predilection. Adult specimens were significantly more affected with TMJ-OA than young adults in the harbor seal, fur seal, walrus (all p < 0.001), and kit fox ( p = 0.001). Gray wolf and American black bear young adults were significantly ( p = 0.047 and p < 0.001) more affected by TMJ-OA than adults. Of the 13 species analyzed, only three species, namely the harbor seal, northern fur seal, and polar bear, had a significant increase in the prevalence of TMJ-OA if their teeth had attrition and abrasion ( p < 0.001, p < 0.001, and p = 0.033, respectively). TMJ-OA can lead to morbidity and mortality in wild animals, but its etiology is ... |
author2 |
School of Veterinary Medicine, University of California, Davis |
format |
Article in Journal/Newspaper |
author |
Rickert, Siobhan S. Kass, Philip H. Verstraete, Frank J. M. |
author_facet |
Rickert, Siobhan S. Kass, Philip H. Verstraete, Frank J. M. |
author_sort |
Rickert, Siobhan S. |
title |
Temporomandibular Joint Pathology of Wild Carnivores in the Western USA |
title_short |
Temporomandibular Joint Pathology of Wild Carnivores in the Western USA |
title_full |
Temporomandibular Joint Pathology of Wild Carnivores in the Western USA |
title_fullStr |
Temporomandibular Joint Pathology of Wild Carnivores in the Western USA |
title_full_unstemmed |
Temporomandibular Joint Pathology of Wild Carnivores in the Western USA |
title_sort |
temporomandibular joint pathology of wild carnivores in the western usa |
publisher |
Frontiers Media SA |
publishDate |
2021 |
url |
http://dx.doi.org/10.3389/fvets.2021.657381 https://www.frontiersin.org/articles/10.3389/fvets.2021.657381/full |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Canis lupus gray wolf harbor seal Odobenus rosmarus Phoca vitulina polar bear Ursus arctos Ursus maritimus Callorhinus ursinus Lynx Northern fur seal walrus* |
genre_facet |
Canis lupus gray wolf harbor seal Odobenus rosmarus Phoca vitulina polar bear Ursus arctos Ursus maritimus Callorhinus ursinus Lynx Northern fur seal walrus* |
op_source |
Frontiers in Veterinary Science volume 8 ISSN 2297-1769 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3389/fvets.2021.657381 |
container_title |
Frontiers in Veterinary Science |
container_volume |
8 |
_version_ |
1790598880041107456 |