Extraction of an incisor embedded within the nasal cavity in two guinea pigs

Nobuhide KIDO; Kaori ONO; Tomoko OMIYA; Yukio OGUCHI; Moemi SETOGAWA; Yuuki MACHIDA

doi:10.1292/jvms.15-0283

Surgery

Extraction of an incisor embedded within the nasal cavity in two guinea pigs

Nobuhide KIDO, Kaori ONO, Tomoko OMIYA, Yukio OGUCHI, Moemi SETOGAWA, Yuuki MACHIDA

Author information

Nobuhide KIDO
Nogeyama Zoological Gardens, Yokohama Greenery Foundation, 63–10, Oimatsu-cho, Nishi-ku, Yokohama 220–0032, Japan
Kanazawa Zoological Gardens, Yokohama Greenery Foundation, 5–15–1, Kamariya-higashi, Kanazawa-ku, Yokohama 236–0042, Japan
Kaori ONO
Nogeyama Zoological Gardens, Yokohama Greenery Foundation, 63–10, Oimatsu-cho, Nishi-ku, Yokohama 220–0032, Japan
Tomoko OMIYA
Nogeyama Zoological Gardens, Yokohama Greenery Foundation, 63–10, Oimatsu-cho, Nishi-ku, Yokohama 220–0032, Japan
Kanazawa Zoological Gardens, Yokohama Greenery Foundation, 5–15–1, Kamariya-higashi, Kanazawa-ku, Yokohama 236–0042, Japan
Yukio OGUCHI
Makigahara Children Zoo, Harmony Center Public Interest Incorporated Foundation, 65–1, Oike-machi, Asahi-ku, Yokohama 241–0834, Japan
Moemi SETOGAWA
Makigahara Children Zoo, Harmony Center Public Interest Incorporated Foundation, 65–1, Oike-machi, Asahi-ku, Yokohama 241–0834, Japan
Yuuki MACHIDA
Makigahara Children Zoo, Harmony Center Public Interest Incorporated Foundation, 65–1, Oike-machi, Asahi-ku, Yokohama 241–0834, Japan

Keywords: guinea pig, incisor, nasal cavity, radiography, tooth extraction

JOURNAL FREE ACCESS

2015 Volume 77 Issue 12 Pages 1651-1653

DOI https://doi.org/10.1292/jvms.15-0283

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Abstract

Oral examination of two guinea pigs revealed that the unilateral incisor was absent. On radiographic examination, the incisor was identified within the nasal cavity in both patients. Under anesthesia in both patients, the skin was incised from the nostril to 1.5 cm proximal, and the premaxilla and part of the maxilla were exposed. The bone was removed using a surgical drill, and the incisor was exposed in the nasal cavity. The root was grasped with forceps and carefully extracted as it was degraded and very fragile. Diagnosis was easy using oral and radiographic examination. In guinea pig patients where an incisor is absent on oral examination, this condition should be considered.

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