Pathological studies of cheek teeth apical infections in the horse: 5. Aetiopathological findings in 57 apically infected maxillary cheek teeth and histological and ultrastructural findings

Dacre, I.T.; Kempson, S. A.; Dixon, Paddy

doi:10.1016/j.tvjl.2008.09.024

Cited by 76 publications

(93 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Occlusal pulpar exposure is associated with previous pulpar insults followed by reduced or ceased deposition of dentine [26-28]. Multiple pulpar exposure (two and more pulp horns) is considered to indicate that the entire endodontic system is affected [29].…”

Section: Discussionmentioning

confidence: 99%

The dental cavities of equine cheek teeth: three-dimensional reconstructions based on high resolution micro-computed tomography

2012

View full text Add to dashboard Cite

BackgroundRecent studies reported on the very complex morphology of the pulp system in equine cheek teeth. The continuous production of secondary dentine leads to distinct age-related changes of the endodontic cavity. Detailed anatomical knowledge of the dental cavities in all ages is required to explain the aetiopathology of typical equine endodontic diseases. Furthermore, data on mandibular and maxillary pulp systems is in high demand to provide a basis for the development of endodontic therapies. However, until now examination of the pulp cavity has been based on either sectioned teeth or clinical computed tomography. More precise results were expected by using micro-computed tomography with a resolution of about 0.1 mm and three-dimensional reconstructions based on previous greyscale analyses and histological verification. The aim of the present study was to describe the physiological configurations of the pulp system within a wide spectrum of tooth ages.ResultsMaxillary teeth: All morphological constituents of the endodontic cavity were present in teeth between 4 and 16 years: Triadan 06s displayed six pulp horns and five root canals, Triadan 07-10s five pulp horns and four root canals and Triadan 11s seven pulp horns and four to six root canals. A common pulp chamber was most frequent in teeth ≤5 years, but was found even in a tooth of 9 years. A large variety of pulp configurations was observed within 2.5 and 16 years post eruption, but most commonly a separation into mesial and distal pulp compartments was seen. Maxillary cheek teeth showed up to four separate pulp compartments but the frequency of two, three and four pulp compartments was not related to tooth age (P > 0.05). In Triadan 06s, pulp horn 6 was always connected to pulp horns 1 and 3 and root canal I. In Triadan 11s, pulp horns 7 and 8 were present in variable constitutions. Mandibular teeth: A common pulp chamber was present in teeth up to 15 years, but most commonly seen in teeth ≤5 years. A segmented pulp system was found in 72% of the investigated teeth. Segmentation into separate mesial and distal pulp compartments was most commonly present. Pulp horn 4 coalesced either with the mesial pulp horns 1 and 3 or with the distal pulp horns 2 and 5.ConclusionsDetails of the pulpar anatomy of equine cheek teeth are provided, supporting the continuous advancement in endodontic therapy. Numerous individual configurations of the pulp system were obtained in maxillary cheek teeth, but much less variability was seen in mandibular cheek teeth.

show abstract

Section: Discussionmentioning

confidence: 99%

The dental cavities of equine cheek teeth: three-dimensional reconstructions based on high resolution micro-computed tomography

2012

View full text Add to dashboard Cite

show abstract

“…Most published equine dental studies have been conducted on clinical cases in hospital settings [10][11][12] or using cadaver material [13][14][15][16], and these have furthered our understanding of the pathophysiology of various dental disorders. Field surveys have a key role in determining the prevalence of oro-dental disorders and providing evidence that will assist veterinary surgeons' and owners' understanding of the impact that dental disease has on equine health and welfare.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of oro‐dental pathology in a working horse population in Egypt and its relation to equine health

Salem

Townsend

Refaai

et al. 2015

Equine Veterinary Journal

View full text Add to dashboard Cite

SummaryReasons for performing study: Oro-dental disease can have a significant impact on equine welfare. Objectives: To determine the prevalence of oro-dental disease and to identify risk factors for oro-dental disorders and poor body condition scores (BCS) in a working horse population in Egypt. Study design: Cross-sectional survey. Methods: Oro-dental examination was performed on 450 working horses in 2 Egyptian provinces. Horse and management historical data were collected and horses were assigned to no/mild, moderate and severe dental disease categories based on findings on examination. Multivariable logistic regression and generalised additive models were used to identify risk factors for oral mucosal injuries and very poor/poor BCS, and to explore the relationship between age and different oro-dental disorders. Results: Oro-dental disease was common, with 45.3% and 8.4% of horses considered to have moderate and severe oro-dental disease, respectively. None of these horses had previously undergone any form of proper dental examination and treatment by trained personnel. Oral mucosal injuries (64.2%) and sharp enamel points (79.8%) were most common. Oral mucosal injuries were significantly associated with increasing age (odds ratio (OR) 1.1, 95% confidence interval (CI) 1.01-1.1, P = 0.03), focal dental overgrowths (OR 2.4, 95% CI 1.4-4.0, P = 0.002) and sharp enamel points (OR 6.3, 95% CI 3.5-11.0, P<0.001). Very poor and poor BCS were significantly associated with severe dental disease (OR 2.6, 95% CI 1.2-5.8, P = 0.02), horses aged 16-30 years (OR 3.5, 95% CI 1.7-7.0, P = 0.001), height (OR 0.9, 95% CI 0.9-0.97, P = 0.001) and packed cell volume (OR 0.9, 95% CI 0.85-0.95, P<0.001).Conclusions: There is a need for education of working horse-owners in Egypt about the importance of oro-dental disease and for greater availability of veterinarians with suitable training and equipment to perform dental prophylaxis and treatment. Even simple dental prophylaxis could have a significant impact on the health and welfare of this population of working horses.

show abstract

“…The mechanisms leading to apical infection are not fully known but anachoresis, the haematogenous or lymphatic infection in damaged dental pulpa (Dixon and Dacre 2005) or periodontal infection (Klugh 2005), pulpitis and infundibular caries (Dixon et al 2000b) have been suggested as possible causes. In a recent study, infundibular caries was believed to cause apical infection in just 16% of infected (maxillary) cheek teeth, anachoretic infection in 51%, periodontal spread in 12%, fractures and fissures in 9%, dysplasia in 5% and miscellaneous or undiagnosed causes in 7% (Dacre et al 2008). The most frequently affected teeth appear to be 108-208, 109-209 and 110-210 (Henninger et al 2003).…”

Section: Introductionmentioning

confidence: 99%

Computed tomography of the upper cheek teeth in horses with infundibular changes and apical infection

Veraa

Voorhout

Klein

2009

Equine Veterinary Journal

View full text Add to dashboard Cite

show abstract

Pathological studies of cheek teeth apical infections in the horse: 5. Aetiopathological findings in 57 apically infected maxillary cheek teeth and histological and ultrastructural findings

Cited by 76 publications

References 17 publications

The dental cavities of equine cheek teeth: three-dimensional reconstructions based on high resolution micro-computed tomography

The dental cavities of equine cheek teeth: three-dimensional reconstructions based on high resolution micro-computed tomography

Prevalence of oro‐dental pathology in a working horse population in Egypt and its relation to equine health

Computed tomography of the upper cheek teeth in horses with infundibular changes and apical infection

Contact Info

Product

Resources

About