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Pulp and Periapical Disease (view source)
Revision as of 15:24, 25 April 2014
, 15:24, 25 April 2014→Diagnosis of Endodontic Disease
==Diagnosis of Endodontic Disease==
==Diagnosis of Endodontic Disease==
[[File:Pulp exposure.jpg|200px|right|thumb|Pulp exposure]]
It is important to determine whether the pulp is exposed or not. If there is an obvious pulp exposure this can be diagnosed clinically by visual inspection of the tooth. Occasionally it may not be obvious and [[Oral Examination Under General Anaesthesia|examination under general anaesthesia]] using a [[Dental Explorer|dental explorer probe]] or path finder needs to be performed. This should NEVER be done in the conscious animal as an exposed pulp will be very sensitive.
It is important to determine whether the pulp is exposed or not. If there is an obvious pulp exposure this can be diagnosed clinically by visual inspection of the tooth. Occasionally it may not be obvious and [[Oral Examination Under General Anaesthesia|examination under general anaesthesia]] using a [[Dental Explorer|dental explorer probe]] or path finder needs to be performed. This should NEVER be done in the conscious animal as an exposed pulp will be very sensitive.
A red or black spot usually indicates that the pulp is exposed. <font color="red">(pic E9)</font color>The red spot indicates a fresh/vital/inflamed pulp, whilst a black spot usually indicates that the pulp has started to become necrotic and the black colour results from degradation of haemoglobin. Whether the pulp is vital or not, the tooth will still require treatment.
A red or black spot usually indicates that the pulp is exposed. The red spot indicates a fresh/vital/inflamed pulp, whilst a black spot usually indicates that the pulp has started to become necrotic and the black colour results from degradation of haemoglobin. Whether the pulp is vital or not, the tooth will still require treatment.
In cases of caries decay, a brown discolouration is seen on the occlusal surface. Due to the demineralization of the enamel and dentine, this brown discolouration is soft and the explorer probe sticks in the carious dentine.
In cases of caries decay, a brown discolouration is seen on the occlusal surface. Due to the demineralization of the enamel and dentine, this brown discolouration is soft and the explorer probe sticks in the carious dentine.