Introduction

Endodontic infections are difficult and may cause long-term issues as well as accepted consequences. Cleaning the root canals is necessary to keep the tooth in a non-pathological state. Moreover, teeth that are growing and infected may delay the growth of the roots and eventually cause other issues. Anaerobic bacteria that are polymicrobial and required stand out in endodontic infections. Primary endodontic infections are mostly caused by Prevotella species, Bacteroid melaningogenicus, Tannerella forsythia, Fusobacterium Nucleaatum, Prophyromonas gingivalis, Prophyromonas endodontics, Spirochetes, and a few other fungi and viruses. Persistent endodontic infections may result from some microorganisms that are resistant to disinfection techniques and can linger following endodontic treatment. When endodontic treatment fails, Enterococcus fecalis is consistently found in root canals. Due to its unique characteristics, this bacterium manages to survive in the root canal. Among these virulence factors include the ability to grow under conditions of malnutrition, the ability to survive and form biofilms in medicated canals, the ability to transition phenotypic into a viable but non-cultivable state, and the ability to use tissue fluids from the periodontal ligament and dentinal tubules [1]. A crucial phase in endodontic therapy is root canal disinfection, which entails getting rid of microbes from the root canal system [1].

The goal of disinfection is to reduce the amount of space that remains after the endodontic process and to establish an environment in the root canal system where germs cannot thrive. This is achieved through a mix of irrigation, mechanical instrumentation, intra-canal medication administration, and hermetic root canal obturation. Using rotary or manual endodontic files, mechanical instrumentation eliminates germs, debris, and damaged pulp tissue from the root canal system. About 50% of the root canal system remains uninstrumented due to the inability of these tools to reach the intricate architecture of the system, including fins, deltas, and ramifications. This means that endodontic irrigation must be used extensively in this area [2]. In addition to its bacteriocidal properties, an effective irrigant aids in the dissolution of organic detritus, the elimination of the smear layer, and the neutralization of endotoxins. Even with excellent chemo-mechanical preparation, remaining complex biofilms are difficult to break apart. After the canal system has been cleaned and shaped, pharmacological drugs called intracanal medicaments are inserted within the root canal and kept there for a while. These medications are specifically utilized in cases of necrotic pulp, acute symptoms in the canal draining, or a substantial periapical infection that is clinically or radiologically obvious. The medications stop inflammatory root resorption, lessen peri-radicular inflammation and discomfort, and eliminate any live bacteria that may still be present in the radicular system. Additional reasons for the use of root canal medications include apexification and pulp revascularization. With positive outcomes, CH has been a great root canal medication in modern endodontic treatment [3, 4].

Both the patient and the endodontist are very concerned about pain before, during, and after endodontic treatment. To treat the symptoms, anti-inflammatory drugs need to be added to these intracanal medications. The main motivation behind Ledermix paste development was the use of corticosteroids to manage pulp and periapical disease-related pain and inflammation [5]. Medications like Ledermix (Lederle Pharmaceuticals, Wolfsratshausen, Germany) may diffuse into the periodontal and periapical tissues by passing via the cementum and dentinal tubules. According to research by Abbott et al. the dentinal tubules serve as the main pathway for supplying the active ingredients to the periradicular tissues. On the other hand, a supply pathway was more important than the apical foramen. In root canal treatment, combination medications that have both corticosteroid and antibiotic components work quite well. The corticosteroid component provides almost immediate pain relief and decreases periapical inflammation. Additionally, it lessens periapical inflammation in patients who report experiencing severe discomfort with percussion after canal instrumentation. Antibiotics are designed to have antimicrobial characteristics [6].

Other products on the market serve the same function but promise even greater outcomes. Among such are medications that include EDTA (ethylene diamine tetraacetic acid) and chlorhexidine. For the majority of endodontic infections, local antibiotic treatment is advised over systemic antibiotic therapy. The reasoning for this is that, particularly in cases when the pulp is necrotic, systemically delivered medications will not reach the radicular system, where the antibiotics will be effective at the appropriate concentrations. Additionally, the risk of adverse effects, allergies, antibiotic resistance, and inadequate patient compliance is eliminated with locally administered antibiotics [7].

Materials and Methods

Using the databases PubMed, Medline, and ScienceDirect, a comprehensive evaluation of the literature from 2001 to 2023 was conducted. The keywords used were “antibiotics, steroids, Intracanal medicament, and endodontic pain”. The method of selecting the articles that were searched for was shown in a PRISMA flowchart (Figure 1).

Inclusion criteria

• Case-control and randomized control studies.
• Published in English between 2001 and 2023.
• In vivo (humans).

Exclusion criteria

• Outside of the designated period.
• Language other than English.
• In vitro.
• systematic research, meta-analyses, opinions of specialists, or narrative reviews.

Risk of bias assessment

Cochrane risk of bias assessment method was used to assess the quality of the studies included (Table 1).

Table 1. Summary of Cochrane Risk of Bias Assessment

Results and Discussion

In their study, Ali et al. (2020) [3] examined the frequency of postoperative endodontic pain brought on by intracanal drugs such as calcium hydroxide with dexamethasone vs triple antibiotic paste. a thorough investigation on the efficiency of steroids and antibiotics used intracanally in endodontic therapy. Group C had 17.5% of patients reporting pain-free after 72 hours, group B had 47.5%, and group A had 55%. Calcium hydroxide combined with dexamethasone and triple antibiotic paste helps reduce postoperative pain in teeth with symptomatic irreversible pulpitis; placebo showed no improvement (Table 2).

The purpose of Chu et al.'s experiment (2006) [4] was to determine how well a calcium hydroxide paste or an antibiotic/steroid drug would work for treating root canals with periapical radiolucencies. Before treatment, every channel—aside from one—exhibited cultivable growth. Following dressing with Ledermix, Septomixine, or Calasept, the corresponding percentages of canals with good development were 48% (13 of 27), 31% (8 of 26), and 31% (11 of 35).

In this randomized, double-blind study, Negm et al. (2001) [5] used vital pulp-test readings from 988 patients, 480 of whom also experienced pain during treatment, to assess the efficacy of a corticosteroid-antibiotic combination in treating posttreatment pain in teeth with endodontically affected teeth. Three visits were required to finish the endodontic operation. After taking the medication for 1, 2, 4, 8, 12, and 24 hours, ratings were completed. After being injected intracanally, the corticosteroid-antibiotic medication rapidly reduced the mean pain score (P.001). Up until the study's end, it likewise considerably outperformed the placebo (P.001). Furthermore, there were no more incidents of pain, and there were no negative side effects from the drug.

The present clinical study by Kundabala et al. (2006) [6] sought to determine Ledermix paste's effectiveness as an intracanal treatment in teeth that were symptomatic by comparing it to eugenol as a control. Access cavities were made in thirty problematic teeth, and intracanal medicine was injected. We measured the frequency of pain and discomfort after access. Ledermix showed more rapid symptom reduction than eugenol did within 72 hours.

Eftekhar et al. (2013) [7] conducted a randomized control experiment where each of the three groups consisted of forty patients, and the twenty-one lower first and second mandibular molars with spontaneous soreness and percussion sensitivity were selected. Group 2 received a compound intracanal medicine, group 3 received a placebo, and Group 1's root canals were dressed with odontopaste. These groups' spontaneous pain and percussion sensitivity did not vary statistically significantly after seven days.

The goal of the Gyanani et al. research (2016) [8] was to evaluate the impact of two distinct single oral betamethasone pretreatment doses on the frequency of postoperative pain and inter-appointment flare-ups. Fifty-four endodontic patients, aged 18 to 59, were selected and split into three groups at random: either a placebo or betamethasone at two oral doses of 0.5 mg and 1 mg, respectively. Patients were given a questionnaire to complete and record their degree of discomfort at 1, 2, 3, and 7 days after therapy. The group that received 0.5 mg betamethasone had the lowest mean pain ratings out of all the experimental groups; nonetheless, there was no statistically significant difference between the groups (P > 0.05).

The main goal of the Tilakchand et al. (2020) [9] investigation was to evaluate the antibacterial efficacy of a novel antibiotic-steroid paste against that of widely used (Ca(OH)2), (DAP), and modified triple antibiotic paste (M-TAP). Eleven2 extracted human teeth had a 21-day E. faecalis infection. The canal was filled with Ca (OH) 2, DAP, M-TAP, a novel antibiotic-steroid paste, and a placebo. It was then sealed and incubated at 37°C in an aerobic setting.

The goal of this in vivo investigation by Jindal et al. (2019) [10] was to evaluate pain with different intracanal drugs. For this study, 75 permanent single-rooted mandibular premolars with acute apical periodontitis were selected. Following access cavity preparation, cleaning, and canal shaping, patients were randomly assigned to five groups and intracanally administered a range of drugs, including calcium hydroxide paste, calcium hydroxide points, triple antibiotic paste, and Ledermix paste.

Dahake et al.'s study (2020) [11] sought to evaluate the antibacterial efficacy of three medications and their unique combination against certain endodontic infections. Using bacterial strains associated with the refractory endodontic condition, they conducted an in-vitro experiment to determine the MIC and MBC of Clindamycin (C), Metronidazole (M), and Doxycycline (D), as well as their combined CMD. All of the bacteria were severely inhibited by the CMD combination.

Table 2. Presents data on different studies, including their objectives, compared medications, postoperative pain incidence, antimicrobial effectiveness, and the impact of intracanal medication on pain.