Saluja I, Kamath AK, Pradeep S Hemisection: partial preservation of compromised tooth. J Conserv Dent. 2023; 26:355-358 https://doi.org/10.4103/jcd.jcd_31_23
Ganesan K, Balagangadharan M, Sengoden T Hemisection – a challenge for perio-endo lesions: a case report. J Pharm Bioallied Sci. 2020; 12:(Suppl 1)S631-S634 https://doi.org/10.4103/jpbs.JPBS_196_20
Sharma S, Sharma R, Ahad A Hemisection as a conservative management of grossly carious permanent mandibular first molar. J Nat Sci Biol Med. 2018; 9:97-99 https://doi.org/10.4103/jnsbm.JNSBM_53_17
When there is a lesion in a multi-rooted tooth, but only one root is infected, resective therapies are an effective treatment option for maintaining natural tooth structure. Hemisection may be the best line of action when a single root is decayed or periodontally compromised, but the other is intact. As precision and accuracy are paramount in ensuring the success of this procedure, this case explores the integration of 3D printing technology to create a patient-specific surgical guide that demonstrates excellent adaptability and precision during hemisection procedures. The integration of 3D printing technology in hemisection procedures, through the use of a customized surgical guide, offers a promising avenue for precision dentistry. This case report depicts a situation where the distal root of LR6 had extensive bone loss. Hemisection was planned for the tooth using 3D printing and a customized surgical guide to perform the procedure preserving the mesial root.
CPD/Clinical Relevance: The use of patient-specific surgical guides, along with CBCT and 3D printing, can enhance the clinical outcome for hemisection.
Article
Hemisection involves splitting a tooth with two roots (such as mandibular molars or maxillary first premolars) along its longitudinal axis. This procedure is intended to remove one root and a portion of the crown that cannot be saved through endodontic treatment or peri-apical surgery. The remaining root and crown are first treated endodontically before the surgical procedure, and restorative treatment should be performed promptly afterwards to avoid crown fractures.1
When periodontal, resorption, perforation, or caries damage is limited to one root and the other root is still largely healthy, this treatment option may be considered.2
Hemisection is an alternative therapeutic option to tooth extraction. It demands meticulous planning because its success depends on anatomical peculiarities. Success rates for teeth undergoing hemisection ranges between 56% and 94%, with observation periods of 7–10 years.3, 4
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