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Subgingival resorptive lesions (neck lesions) can partially or
wholly destroy teeth. In this circumstance there may not be a complete
root to luxate and complete root removal may not be possible. Alternative
techniques exist in the literature for these teeth. Some texts describe
the amputation of the crown and partial atomisation of roots with
a bur. This may be suitable in some circumstances where root destruction
and/or ankylosis prevents conventional elevation of the root.
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DuPont GJ, Crown amputation with intentional root retention
for advanced feline resorptive lesions - a clinical study,
Journal Veterinary Dentistry, v12, no. 1, pp
9-13, 1995
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A slow speed handpiece should never be used for this atomisation,
as the high torque, slow speed and lack of irrigation will
cause necrosis and sequestration of the alveolar bone.
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In normal circumstances, there is no substitute for careful elevation
and removal of the whole root.
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