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- Poliklinik für Kieferorthopädie, Präventive Zahnmedizin und Kinderzahnheilkunde (1) (remove)
Objective: To compare the effectiveness and complications of intraligamentary anesthesia
(ILA) with conventional inferior alveolar nerve block (IANB) during injection and dental
treatment of mandibular posterior teeth.
Materials and Methods: In this randomized, prospective clinical trial, 72 patients (39 males, 33
females) patients scheduled for dental treatment of mandibular posterior teeth, were randomly
allocated to ILA group (n=35) received ILA injection or IANB group (n=37) received the
conventional IANB. Our primary outcome was to assess pain and stress (discomfort) during the
injection and dental treatment, using the Numeric Rating Scale (NRS) from 0 to 10 (0 = no
pain, 10= the worst pain imaginable). Whereas; recording 24 hours postoperative complications
were our Secondary outcomes.
Results: Patients in ILA group reported significantly less pain during injection when compared
with IANB group (p=0.03). While pain during dental treatment was similar in both groups
(p=0.2). Patients in both groups also reported similar low values of discomfort during treatment
(p= 0.7). Although no signs of nerve contact or any other postoperative complications were
observed, five patients in IANB group (none in ILA group) reported temporary irritations
Conclusion: This study showed equivalent effectiveness of both intraligamentary anesthesia
and conventional inferior alveolar nerve block, for pain control during routine dental treatment
of mandibular posterior teeth. Nevertheless, ILA showed significantly less pain during
injection. No major postoperative complications in both groups were observed.
Clinical Relevance: ILA could be considered as an effective alternative for routine dental
treatment.