Wednesday 11 May 2011

Pulp vitality - The tale of two conclusions


The unreliability of testing tooth pulp nerve response is well documented. When nervous sensations are inhibited or abolished in the tooth, for example following trauma, tooth transplantation procedures or during a general anaesthetic, conventional tests are of little value. However, a method based on the vascular response of the pilip need not be restricted under such conditions. Recording the pulpal blood flow would be an objective assessment of the status of the pulpal blood circulation, a true indicator of pulp vitality. Optical devices that exploit the various absorbance properties of different substances within the dental pulp are being studied to determine pulsation and blood volume. They offer the advantages of being objective, noninvasive and atraumatic testing modalities, which result in greater patient acceptance and co-operation. Currently, the significance and reliability of these methods are being studied. It is hoped that newer technology will enable a more thorough study of the pulpal vasculature and define its role in pulp vitality testing.
The unreliability of testing tooth pulp nerve response is well-documented. When nervous sensations are inhibited or abolished in the tooth, for example, following trauma, tooth transplantation procedures or during a general anaesthetic, conventional tests are of little value. However, a method based on the vascular response of the pulp need not be restricted under such conditions. Recording the pulpal blood flow would be an objective assessment of the status of the pulpal blood circulation, a true indicator of pulp vitality. Optical devices that exploit the various absorbance properties of different substances within the dental pulp are being studied to determine pulsation and blood volume. They offer the advantages of being objective, noninvasive, and atraumatic testing modalities, which result in greater patient acceptance and cooperation. Currently, the significance and reliability of these methods are being studied. It is hoped that newer technology will enable a more thorough study of the pulpal vasculature and define its role in pulp vitality testing.

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