554 DISEASE OF FACIAL BONES. 



Treatment. The nasal bone which is deformed must be 

 trephined, and the abscess washed out daily. I have found it 

 necessary, in cases of great deformity, to remove a consider- 

 able portion of the bone, and by this means have restored an 

 animal's good looks. 



IL Nasal Discharge due to Organic Disease of the Facial 

 Bones. The bones most frequently affected with caries are 

 the superior maxillary, the turbinated, and nasal. The cause 

 of this obstruction is the presence of foreign bodies either 

 in the shape of a projecting tooth or materials accidentally 

 lodged in the nasal chambers. 



Symptoms. Discharge always on one side, very fetid, 

 sometimes tinged with blood, and containing particles of dead 

 bone. Enlargement of lymphatic glands on one side, but free. 

 No ulceration of the sohneiderian membrane. Partial oc- 

 clusion of the affected nasal chamber, evidence of a diseased 

 tooth, or the absence of a molar, and projection of the one 

 opposite the vacant alveolus. 



There is a head in the London Veterinary College, ob- 

 tained from a horse destroyed as glandered, and, after death, 

 the presence of a physic ball lodged in the posterior part of 

 the arc of the nasal chamber, demonstrated the real origin of ' 

 the disease. 



I have noticed the discharges due to carious teeth at page 

 95 of the first volume of this work, and here reproduce the 

 engraving of disease of the nose due to a projecting molar 

 tooth. (See Fig. 143.) 



Treatment. This consists in removal of the cause, whether 

 it be a diseased tooth, diseased bone, or a foreign body. In 

 the latter cases the constant use of Key's tube may have a 

 beneficial effect. Whenever necessary, the diseased bones 

 should be freely removed by an operation. 



