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What is hemisection dental surgery?

Dante A. Gonzales, DMD
Orthodontics & Dentofacial Orthopedics
Hemisection dental surgery is a procedure in which a tooth with multiple roots is sectioned in halves. This procedure may be needed when there is bone loss, or dental decay between the roots due to gum (periodontal) disease. The dental surgeon cuts the tooth in half to remove the damaged bone and any damaged root or crown. The dentist tries to save most of the tooth, leaving a healthy root or roots, and the crown. A restoration crown is fitted as well.
Todd A. Welch, DMD
Periodontics
A hemisection is typically performed on a mandibular (lower) molar that has already had root canal therapy. Lower molars have two roots. If one of the roots is fractured or infected, a dentist will cut the tooth in half and prepare a crown on the remaining tooth.
Hemisection dental surgery is a procedure in which a tooth with two roots is cut in half. This procedure may be needed when there is bone loss, or dental decay between the roots, due to gum (periodontal) disease. The dental surgeon cuts the tooth in half to remove the damaged bone and any damaged root or crown. The dentist tries to save most of the tooth, leaving a healthy root or roots, and the crown. A restoration crown is fitted as well.

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