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| − | *Mostly in carnivores (also cats), may occur in horses.
| + | #redirect[[Periodontal Disease]] |
| − | *[[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|Gingival]] inflammation starts because of dental calculus (tartar) from diets high in minerals and diets consisting of soft rather than hard crunchy food.
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| − | *Dental plaque becomes calcified and whole [[Crown - Anatomy & Physiology|crown]] may become covered in brown chalky material.
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| − | *Calculus gives brittle dirty brown covering to [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]].
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| − | *This may not affect [[Enamel - Anatomy & Physiology|enamel]] at all but may produce mild [[Cavity & Gingiva - Pathology|gingivitis]] round edge and the gum may start to recede.
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| − | *This exposes more of [[Crown - Anatomy & Physiology|crown]], may reach level of [[Dentine - Anatomy & Physiology|dentine]] and infection may enter the alveolus and loosen ligaments holding [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]] in and ultimately the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]] will become loose and fall out.
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| − | *Pyorrhoea is unusual in sheep but, nonetheless, periodontal disease with “broken mouth” is a major cause of culling of ageing ewes.[[Category:Teeth_-_Inflammatory_Pathology]][[Category:Dog]][[Category:Cat]][[Category:Horse]]
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