Inferior alveolar neurosensory deficiency associated with placement of dental implants

Navot Givol, Oren Peleg, Noam Yarom, Daniella Blinder, Towy Sorel Lazarovici*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Background: This study reports and analyzes a large series of patients with neurosensory deficiency related to the placement of dental implants (DIs) and resulting in liability claims (LCs). Methods: From 1998 to 2009, there were 92 LCs related to persistent altered sensation post DI placements in Israel. Patients' demographics, year and source of LCs, interval between the procedure that resulted in a neurosensory deficiency and the LC, qualifications of the surgeon, preoperative imaging modality, DI length, available alveolar bone for DI placement, placement site, timing of DI placement (immediately after tooth extraction or after socket healing), and treatment after the diagnosis of neurosensory deficiency were recorded and analyzed. Results: There were 21 cases during the first 5 years of the study (mean 4.2/year) and 63 cases (mean 12.6/year) over the following 5 years. Thirty LCs were issued during the second postoperative year and 15 LCs after >5 years. Most LCs (76%) involved procedures that were planned and performed according to radiographs and 24% after computed tomography. Sixty-five percent of the LCs were performed by general dental practitioners and 35% by specialists. More than one DI was performed during the surgical procedure that resulted in a neurosensory deficiency in 73 LCs (79.3%), and the DI was >10 mm in 55 (59.8%) cases. Conclusions: LCs for DIs that result in a neurosensory deficiency pose a legal risk to the practitioner long after the injury has occurred.

Original languageEnglish
Pages (from-to)495-501
Number of pages7
JournalJournal of Periodontology
Issue number4
StatePublished - Apr 2013


  • Chin
  • Dental implants
  • Legal liability
  • Lip
  • Mandibular nerve
  • Trigeminal neuropathy


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