Pain perception following computer-controlled versus conventional dental anesthesia: randomized controlled trial



Rok publikování 2022
Druh Článek v odborném periodiku
Časopis / Zdroj BMC Oral Health
Fakulta / Pracoviště MU

Lékařská fakulta

Klíčová slova Computed-controlled local anesthesia; Dental anesthesia; Dental education; Local anesthesia; Nerve block; Pain perception; RCT; Split-mouth
Popis Background The administration of local anesthesia (LA) in dental practice requires an injection which is the leading cause of patients' fear and anxiety. Computer-controlled local anesthetic injector, designed to reduce the pain of performing local anesthesia by controlling the speed of injection. This single-blind randomised control trial aimed to compare the pain perception after computer-controlled local anesthesia (CCLA) and conventional LA. Methods Dental students were both test and operator group versus an experienced dentist as additional operator of the LA. Data were collected regarding gender, age, medical condition, smoking habits. Additionally, operator feedback about the handling, pain at insertion and during infiltration, excitement (Dental Anxiety Scale), and complications were assessed. Results Out of the 60 included participants, the majority were females (n = 41; 68.3%), medically healthy (n = 54; 90%), and did not receive medications (n = 54; 90%). While the participating students administered 62 (51.7%) injections, the experienced dentist administered 58 (48.3%) injections. The difference in pain perception on puncture between CCLA and conventional injections was not statistically significant (Sig. = 0.285); however, pain perception during injection was significantly different (Sig. = 0.029) between CCLA (1.65 +/- 1.93) and conventional injections (2.49 +/- 2.31). Conclusion The professional experience influenced the pain perception while applying the LA. CCLA did not reduce pain on puncture significantly; however, pain perception during the injection was significantly reduced in the case of using CCLA devices compared to the conventional syringe.
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