Equine dental destructive disorders: an epidemiological survey in northern Germany.

Overview

• This study investigated the prevalence, characteristics, and risk factors of destructive dental lesions affecting the peripheral and infundibular cementum in horses from northern Germany.
• The research aimed to clarify differences between these lesion types and assess their clinical significance to improve diagnosis and management in equine dentistry.

Background and Purpose

• Destructive lesions of equine teeth, specifically in the peripheral and infundibular cementum, are increasingly observed in veterinary dental practice.
• These lesions have been compared to human dental caries, but evidence supporting this analogy remains inconclusive.
• The study’s goal was to evaluate how common these lesions are in a population of horses and to examine their distribution and risk factors like age and sex.
• Understanding these factors helps differentiate lesion types and guides appropriate diagnostic and treatment strategies.

Methodology

• A sample of 114 horses from northern Germany was examined between 2021 and 2023.
• Standardized oral examinations assessed the presence and severity of lesions in both peripheral and infundibular cementum.
• Data collected included clinical signs of dental lesions, presence of diastemata (gaps between teeth), age, sex, and other possible influencing factors.
• Researchers used adapted grading systems to classify lesion severity and conducted multiple comparative statistical tests to analyze relationships among variables.

Key Findings

• Peripheral cemental lesions were highly prevalent, found in 77.2% of horses examined.
• Infundibular changes were also common, present in 61.4% of the sampled horses.
• Molars were affected more frequently than premolars for both lesion types.
• No significant correlation was observed between peripheral and infundibular cemental lesions, indicating they may have different etiologies or disease processes.
• Infundibular disease showed a significant increase with age, suggesting a progressive condition linked to aging.
• Peripheral lesions showed a trend of increasing with age, but this was not statistically significant.
• Female horses were more likely to have peripheral cemental lesions, indicating a possible sex-related risk factor.

Clinical Implications

• Despite similarities in cementum involvement, peripheral and infundibular lesions differ substantially in their clinical impact and progression.
• Peripheral lesions tend to be more benign and less likely to cause complications.
• Infundibular lesions pose higher risks as they may result in severe conditions like pulpitis (infection of the tooth pulp) or dental fractures.
• This necessitates different diagnostic and treatment approaches for each lesion type to prevent serious dental disease.

Conclusions and Future Directions

• The study highlights the importance of establishing species-specific diagnostic criteria because equine dental lesions do not fully resemble human caries.
• It identifies key risk factors such as age and sex, which could aid in early detection and preventive care.
• The findings emphasize the need for further research focused on modifiable risk factors to reduce the prevalence and clinical consequences of these conditions in horses.
• Better understanding lesion etiology and progression may lead to improved equine dental health and welfare.