Canine Dental Radiology: Radiographic Technic, Development, and Anatomy of the Teeth

Zontine, William J.

doi:10.1111/j.1740-8261.1975.tb01323.x

Cited by 10 publications

(4 citation statements)

References 11 publications

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“…Other radiographic studies of beagle dogs have covered a period of post natal tooth development from 2 1 to 239 days (Bartley and others 1970), whereas others have reported tooth development of mongrel dogs (Mellanby 1929). Reports dealing with radiographic techniques are more common (Zontine 1974, 1975, Emily 1986, Lavelle 1987). This report describes ageing changes associated with the permanent dentition of beagle dogs.…”

Section: Introductionmentioning

confidence: 99%

Dental radiology: ageing changes in permanent teeth of beagle dogs

Miyabayashi

1991

J of Small Animal Practice

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Radiographic interpretation of dental or periodontal disease is dependent in part on an understanding of ageing changes, A progressively ageing colony of healthy beagle dogs (120 to 3759 days) was studied by use of high‐detail radiographs made following the death of the dog. Morphological features whose radiographic appearance was found to be especially age‐dependent were: root canal size, both vertical and horizontal alveolar bone resorption, visualisation of the lamina dura dentis, and detection of hypercementosis. Understanding of these ageing changes is necessary to avoid over‐diagnosis of disease.

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Section: Introductionmentioning

confidence: 99%

Dental radiology: ageing changes in permanent teeth of beagle dogs

Miyabayashi

1991

J of Small Animal Practice

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“…More severe lesions are associated with specific osseous changes and chronic bacteremia. Consequently, any effective screening method for renal osteodystrophy could prove to be diagnostic for FPE.. Spolnick et al [1981] suggest that "dental and hand radiographs would be the safest and most efficient means of screening patients for renal osteodystrophy, because of their high diagnostic potential" Zontine [1975] and others have adequately described the appropriate radiographic techniques. Marshall [1976] has correlated the relationship between oral radiographs and both dental development and skeletal development (hand and wrist), which may be of help in interpreting intra-oral radiographs in exotic species.…”

Section: Diagnosis Control and Treatmentmentioning

confidence: 99%

“…Radiographs of the mandible of case I [using the method of Zontine, 1975] were examined, revealing medullary osseous tissue which lacked the latticelike trabeculation patterns of characteristic of healthy osseous structures, and which is suggestive of a systemic bony disorder or atrophy from disuse of the masticatory apparatus. Spolnick, et al [1981] discuss the radiographic manifestations of renal disease and point out that a number of systemic diseases have oral manifestations, but unfortunately many of their radiographic appearances are not characteristic for a particular disease.…”

Section: Relationship To Renal Failurementioning

confidence: 99%

Focal palatine erosion associated with dental malocclusion in captive cheetahs

Fitch¹,

Fagan²

1982

Zoo Biology

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A severe palatine disorder caused by maloccluded molars was discovered in captive adult cheetahs at the San Diego Wild Animal Park. This defect has been labeled focal palatine erosion (FPE). Subsequently, a total of 59 cheetahs from several institutions have been examined to evaluate the occurrence and etiology of this disorder. Maloccluded lower molars contacting the palatal mucosa appear to be the primary source of irritation. Infection develops when decaying food and grass particles become lodged in the resulting defect. Eventually, complete palatine perforation results which can extend into the nasal passages and eventually lead to systemic disorders. Of 59 cheetahs studied, 15 displayed various stages of FPE. Examination of 26 museum skull specimens revealed four cases of palatine perforation. These four were from a group of eight animals that were zoo raised. Focal palatine erosion appears to be a result of dietary factors. All cheetahs with FPE received a commercially prepared soft diet while in captivity. The lack of normal biting, tearing, and pulling action associated with natural prey capture and consumption could result in malocclusion caused by atrophy from disuse of the masticatory apparatus. Improper occlusion could also stem from insufficient wear or unsynchronized development of the opposing dental arches. All but two cases of FPE were found in cheetahs imported from a limited area in southwest Africa in 1970, or their offspring. Since molar size and jaw structure can be inherited, there may be genetic factors involved but more data are needed to support this idea. Treatment includes changing diet, reducing the height of the offending molar, controlling infection, eliminating irritants, and in some cases, surgical reconstruction.

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“…They were put under an area that had to be above the surface (upper or lower teeth). The mouth was opened by means of rubber mouth retractors or thin textile strips (Zontine 1975). The X-ray pictures were taken at 50-55 kV and 13-16 mA.…”

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confidence: 99%

Dental Diseases in Dogs: A Retrospective Study of Radiological Data

Butković¹,

Šehić²,

Stanin³

et al. 2001

Acta Vet. Brno

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The purpose of the present study was to assess the number of pathological dental changes and anomalies in dogs. The incidence of dental diseases was investigated in radiologically examined 139 males dogs and 120 females dogs, aged seven months to 15 years. There were 235 purebred dogs and 24 mongrels. The oral cavity was clinically examined and radiographed. The incidence and extent of oligodontia, periodontitis, dental fractures and rotations, persisting deciduous teeth and supernumerary teeth were recorded. It has also been established that 30% of dogs presented more than one anomaly. The incidence of oligodontia equalled to 45.17%, peridontitis 44.40%, fracture 19.30%, tooth rotation 11.59%, persisting deciduous teeth 5.40% and supernumerary teeth 3.86%. Our results have shown that incidence of dental changes and anomalies differed significantly between dogs of different age groups. The highest incidence of oligodontia, tooth rotation, retained deciduous teeth and supernumerary teeth was observed in the youngest age group (p < 0.001), dental fracture in the mid-age group (p < 0.001) and peridontitis in the mid-age and oldest age group (p < 0.001). Considering the hereditary nature of the anomalies such as congenital oligodontia, tooth rotation and retained deciduous teeth, dog breeders should provide for a timely X-ray examination and, in case of these anomalies, exclude the affected dogs from further breeding. Oligodontia, periodontitis, tooth fracture, tooth rotation, retained deciduous teeth, supernumerary teethThe results of analysis of pathological findings in dogs of all ages have shown that diseases and anomalies of the oral cavity are the most frequent ones. Among these changes, clinically diagnosed gingivitis is the most common (H a r vey 1996; Smith 1985). According to a research carried out by H a r vey et al. (1983), the most frequent radiologically diagnosed change was periodontitis, which was found in 95% of dogs over 2 years of age.The number of radiologically observed dental changes is increasing every year. There are different reasons for their occurrence. For example, greater care for animals, an ever increasing number of purebred dogs and more stringent cynological rules are only some of the factors contributing to more frequent dental examinations.The purpose of the present study is to assess the number of pathological dental changes and anomalies in dogs, which can be diagnosed radiologically, together with the incidence thereof, by age categories. Materials and MethodsThe study was carried out on patients at the Department of Roentgenology, Ultrasonic Diagnostic and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb. During a four-year period, 9 016 dogs were examined radiologically, 259 of them were sent by veterinarians and cynological judges for an X-ray examination due to various dental anomalies. Of this number, 235 dogs belonged to 23 breeds and 24 were mongrels. Only

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Canine Dental Radiology: Radiographic Technic, Development, and Anatomy of the Teeth

Cited by 10 publications

References 11 publications

Dental radiology: ageing changes in permanent teeth of beagle dogs

Dental radiology: ageing changes in permanent teeth of beagle dogs

Focal palatine erosion associated with dental malocclusion in captive cheetahs

Dental Diseases in Dogs: A Retrospective Study of Radiological Data

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