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Erschienen in: Clinical Oral Investigations 10/2023

22.08.2023 | Research

Analgesic effect of a lidocaine-ropivacaine mixture for extraction of impacted mandibular third molars: a randomized controlled trial

verfasst von: Tomoharu Hemmi, Nobuyuki Sasahara, Kazuyuki Yusa, Shigeo Ishikawa, Takehito Kobayashi, Mitsuyoshi Iino

Erschienen in: Clinical Oral Investigations | Ausgabe 10/2023

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Abstract

Objectives

The painless postoperative period can be significantly prolonged by using long-acting local anesthetics such as ropivacaine, though these local anesthetics are known for their slower onset of action. To compensate for this, a mixture of short-onset (e.g., lidocaine) and long-acting local anesthetics is used. However, the efficacy of such an anesthetic cocktail has not been elucidated in the field of oral and maxillofacial surgery.

Materials and methods

To address the research purpose, this prospective randomized controlled trial included 56 patients scheduled for impacted mandibular third molar extraction. All patients received the inferior alveolar nerve block (IANB) using either 2% lidocaine with epinephrine or a 1:1 mixture of 2% lidocaine with epinephrine and 0.75% ropivacaine.

Results

Patients anesthetized using the lidocaine-ropivacaine mixture showed significantly prolonged postoperative analgesia and pain control than those anesthetized using lidocaine only.

Conclusions

IANB using a lidocaine-ropivacaine mixture can provide prolonged postoperative anesthesia and pain control with extraction of mandibular third molars.

Clinical relevance

This method can be a noteworthy addition to existing methods of local anesthesia for the extraction of mandibular third molars.
Trial registration number University Hospital Medical Information Network (No. UMIN000044315)
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Metadaten
Titel
Analgesic effect of a lidocaine-ropivacaine mixture for extraction of impacted mandibular third molars: a randomized controlled trial
verfasst von
Tomoharu Hemmi
Nobuyuki Sasahara
Kazuyuki Yusa
Shigeo Ishikawa
Takehito Kobayashi
Mitsuyoshi Iino
Publikationsdatum
22.08.2023
Verlag
Springer Berlin Heidelberg
Erschienen in
Clinical Oral Investigations / Ausgabe 10/2023
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-023-05210-z

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