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OJVRTM
Online Journal of Veterinary Research©
Volume 18(11): 886-894, 2014. Redacted
2018.
Effect of
different patterns of molar teeth extraction on learning in Wistar
rats
Razieh Shojaeepour1, Fatemeh
Jahanimoghadam1, Najmeh Pourgholamali1*,
Saeedeh Shojaeepour2, Hamid Sharifi3, 4
1-Kerman Oral & Dental
Research Center, Department of Pediatric Dentistry, Faculty of Dentistry,
University of Medical sciences, Kerman, Iran 2- Faculty of
Veterinary Medicine, Shiraz University, Shiraz-Iran 3- Department of
Food Hygiene and Public Health, Faculty of Veterinary Medicine, Shahid Bahonar University of
Kerman, Iran 4- Research center for Modeling in Health, Institute
for Futures Studies in Health, Kerman University of Medical Sciences
ABSTRACT
Shojaeepour R, Jahanimoghadam F, Pourgholamali N, Shojaeepour S, Sharifi H., Effect of different patterns of molar teeth
extraction on learning in Wistar rats, Onl J Vet Res., 18(11): 886-894, 2014. We report
effects of different patterns of molar teeth extraction on learning in rats.
Groups of 15 rats each had extractions of the maxillary
bilateral molars (E1) and left maxillary and the right mandibular molars (E2).
Controls (C) had no extractions. Morris Water Maze experiments were done a week
after extractions to determine spatial learning. During learning, target
duration or time spent in target zone in groups C, E1 and E2 were 12.47s,
11.09s and 11.13s, respectively, revealing a significant difference (P <
0.05) in controls compared with molar extracted groups (p < 0.05). Similarly
the target path length defined as the path length in the target zone in
controls (212.28cm) was significantly greater than in other groups. The
findings suggest that molar extraction may impair learning ability in 8 week
old Wistar male albino rats.
Key words: Pattern of molar extraction;
Learning; Morris water maze.
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