08 August 2012
PULPECTOMY | pedodontic dentistry
Pulpectomy the complete removal of a pulp from the pulp chamber and root canal. The pulpectomy procedure is also called partial root canal. Pulpectomy refers to a common endodontic procedure in which the dental pulp and root canal are completely removed. This procedure is done on primary teeth.
- Inflammation extending beyond coronal pulp
- Primary teeth with necrotic pulps
- Roots and surrounding bone free of pathology
- At least ½ of root length remaining
- Second primary molar retention for the erupting first permanent molars
- No permanent successor
- Internal resorption without any obvious perforation
- Pulpless primary teeth with sinus tracts
CONTRAINDICATION
- Teeth with non restorable crowns
- Periradicular involvement extending to the permanent tooth bud
- Pathological resorption of at least one third of root with a fistulous sinus tract
- Excessive internal resorption
- Extensive pulp floor opening into the bifurcation
- Systemic disease such as congenital or rheumatic heart disease, hepatitis, leukemia.
- Primary teeth with underlying dentigerous or follicular cysts
IMAGE
PULPECTOMY TECHNIQUE
- Remove caries and determine site of pulp exposure
- Remove roof of the pulp chamber
- Remove coronal pulp tissue and identify root canals
- Clean out canals and remove pulp tissue
- Dry canals with paper points
- Fill root/coronal chamber with ZNOE
- Fill pulp chamber with thickened mix of paste
- Restore tooth with stainless steel crown
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