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The Effect of Adding Sodium Bicarbonate 8.4% to Local Anesthesia on Pain During Upper Canine Infiltration

Not Applicable
Conditions
Local Anesthetic Complication
Interventions
Procedure: Buffered Local anaesthesia
Procedure: Unbuffered Local anaesthesia
Registration Number
NCT06302907
Lead Sponsor
Al-Wataniya University
Brief Summary

The aim of the present study was to evaluate the pain during local anesthetic buccal infiltration for the maxillary canines after adding Sodium Bicarbonate 8.4% during local anesthesia.

Detailed Description

Materials and Methods The present research was approved by the Institutional Review Board of the College of Dentistry at Al Wataniya Private University (M/45- 14.1.2023).

30 healthy patients were recruited, aged between 15-50 years, and divided into two groups (15 males and 15 females). Every patient had to meet the following conditions:

* Caries free with no restorations, periapical lesions, or history of trauma at the site of injection.

* Willingness to participate in the study and ability to describe and evaluate their pain.

* No painkillers, or sedatives taken for at least 24 hours so that pain assessment isn't affected.

* No allergy to local anesthetics.

* No pregnancy. Each patient received buccal infiltration with the anesthetic solution alone at one upper canine site and local anesthetic with added sodium bicarbonate at the other site. The local anesthetic used was 2% Lidocaine with 1:80.000 Epinephrine produced by New-Stetic S.A.- Colombia. Whereas 8.4% Bicarbonate Sodium was produced by TCE - UK. Injections were performed using 25 mm short needles (Gauge 27) manufactured by C-K Dental - South Korea.

Consent for each patient was obtained before the clinical session. Local infiltration was performed using a one-third cartridge (0.6 mL) of the local anesthetic on one side and local anesthetic with added Sodium Bicarbonate on the counterpart side leaving 5 minutes between the injections.

Alkalinization of the local anesthetic was performed using the technique described by Saatchi et al13. 0.2 mL of the anesthetic solution was extracted using a tuberculin syringe and then discarded. 0.2 mL sodium bicarbonate was then loaded and added to the cartridge. Afterward, the solution was slowly shaken 20 times and ready to be administered with a cartridge syringe.

The 100 mm Visual Analog Scale VAS was utilized as the most commonly used assessment tool to determine the severity of the pain14 where 0 indicates that the patient does not feel pain, while 10 points to unbearable severe pain. The patients must rely on their own experience to confirm the pain's severity.

Recruitment & Eligibility

Status
ENROLLING_BY_INVITATION
Sex
All
Target Recruitment
30
Inclusion Criteria
  • Caries free with no restorations, periapical lesions, or history of trauma at the site of injection.
  • Willingness to participate in the study and ability to describe and evaluate their pain.
  • No painkillers, or sedatives taken for at least 24 hours so that pain assessment isn't affected.
Exclusion Criteria
  • allergy to local anesthetics.
  • pregnancy

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Buffered LABuffered Local anaesthesiaAA buffered 2% lidocaine with 1:80000 epinephrine and sodium bicarbonate 8.4% was used for one site
Unbuffered LABuffered Local anaesthesiaan unbuffered 2% lidocaine with 1: 80000 epinephrine for the other site at the same appointment.
Unbuffered LAUnbuffered Local anaesthesiaan unbuffered 2% lidocaine with 1: 80000 epinephrine for the other site at the same appointment.
Buffered LAUnbuffered Local anaesthesiaAA buffered 2% lidocaine with 1:80000 epinephrine and sodium bicarbonate 8.4% was used for one site
Primary Outcome Measures
NameTimeMethod
Pain on injectionone week

- Pain was measured on a visual analogue scale (VAS) starting from 0 which represents (no pain at all) and ending with 10 which represents (the most severe pain)

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Al Wataniya Private University

🇸🇾

Hama, Hama Government, Syrian Arab Republic

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