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Comparison Between Biodentine and Calcium Hydroxide in the Indirect Pulp Treatment on Primary Teeth (IPT)

J

José Arturo Garrocho Rangel

Status and phase

Unknown
Phase 3
Phase 2

Conditions

Dental Caries

Treatments

Procedure: Indirect Pulp Treatment with Bioactive Dentin Substitute
Procedure: Indirect Pulp treatment with Calcium hydroxide

Study type

Interventional

Funder types

Other

Identifiers

NCT02799927
CEI-FE-003-014

Details and patient eligibility

About

Objective: The study's main purpose is to evaluate and compare the clinical and radiographic outcomes of Biodentine and a light-activated calcium hydroxide based-liner (Ultra-Blend plus®) as indirect pulp treatment (IPT) liners, over the dentin-pulp complex of vital primary molars with carious lesions approaching the pulp. Study design: 80 four-to-eight year-old patients were enrolled from a Mexican University Pediatric Dentistry Clinic. A split-mouth design trial is being conducted in order to compare both IPT interventions on 160 bilateral primary teeth, without signs or symptoms of irreversibly inflamed or degenerative pulp tissue. Teeth were treated and restored with a preformed crown in a single session, and then closely followed-up for 1, 3, 6, 12, 18, and 24 months.

Full description

A Split-mouth clinical trial was the design selected. Clinical Procedures: IPT procedures were carried out by three pediatric dentistry residents (E.K.C.G., R.A.V.V., and J.M.A.R.), previously trained in the clinical setting with a pilot sample of 10 similar child patients each. Study participants received local anesthesia and rubber dam isolation, which was disinfected, followed by the remove of the carious peripheral dentin with high speed tungsten-carbide bur # 3, and air-water spray. Then, the soft dentin layer was carefully removed with a sharply-edged sterilized hand excavator, based on tactile and visual standards, leaving only the hard dentin adjacent to the pulp ceiling. The cavity was thoroughly rinsed only with water and then dried with sterilized cotton pellets; no other special disinfection protocol was applied. The next step consisted in the placement of the correspondent liner over the remanent carious dentin layer, following the manufacturers' instructions, and according to the randomly assignment scheme previously described. In the case of the control group, the liner was cured undr 20 seconds of light exposure. All treated molar were restored with stainless steel preformed crowns (3M ESPE) cemented with glass ionomer (Ketac-Cem, 3M ESPE). One week later, the same procedure was repeated in the opposite tooth with the contrary IPT agent.

Enrollment

80 estimated patients

Sex

All

Ages

4 to 8 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • At least one restorable first or second primary molar in each side of the mouth, affected by an occlusal cavitated active caries lesion in deep dentin.
  • Cooperative patients.
  • Participants were included in the trial after parental acceptance through a signed informed consent.

Exclusion criteria

  • Molars with mobility, spontaneous pain or fistula, and radiographic findings such as a carious lesion with no evidence of residual dentin over the pulp chamber or manifest pulp exposition.
  • Normally internal root resorption or physiological root resorption less than 1/3.
  • Presence of periradicular/furcal radiolucent lesions.
  • Occurrence of a carious pulp exposure and bleeding during the operative procedure.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

80 participants in 2 patient groups

Biodentine
Experimental group
Description:
Biodentine (Septodont, Saint-Maur-des-Fosses, France) has been recently introduced and marketed as a bioactive dentin substitute. The Biodentine powder contains tricalcium silicate, dicalcium silicate and calcium oxide, while its liquid consists of calcium chloride and a carboxylate-based hydrosoluble polymer (water-reducing agent). After local anesthesia and rubber dam isolation, carious peripheral dentin is eliminated with a high speed tungsten-carbide bur # 3, and air-water spray. Then, the cavity's floor soft dentin layer is carefully removed with a sharply-edged sterilized hand excavator, leaving only the hard dentin adjacent to the pulp ceiling. The cavity is thoroughly rinsed only with water and dried with sterilized cotton pellets. The next step consists in the preparation of Biodentine liner (a mix of powder and liquid), following the manufacturers' instructions, and its placement over the remanent carious dentin layer.
Treatment:
Procedure: Indirect Pulp Treatment with Bioactive Dentin Substitute
Ultra-Blend plus (Calcium hydroxide)
Active Comparator group
Description:
Ultra-Blend plus® (Ultradent Products Inc., South Jordan, UT, USA). This material is a light-activated calcium hydroxide based-liner. Calcium hydroxide has demonstrated to reduce and promote immediate deactivation of the residual microorganisms after IPT. After local anesthesia and rubber dam isolation, carious peripheral dentin is eliminated with a high speed tungsten-carbide bur # 3, and air-water spray. Then, the cavity's floor soft dentin layer is carefully removed with a sharply-edged sterilized hand excavator, leaving only the hard dentin adjacent to the pulp ceiling. The cavity is thoroughly rinsed only with water and dried with sterilized cotton pellets. The next step consists in the placement of Ultra-Blend plus liner over the remanent carious dentin layer, using a dycal metallic applicator. Finally, the liner is cured through light exposure during 20 seconds .
Treatment:
Procedure: Indirect Pulp treatment with Calcium hydroxide

Trial contacts and locations

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Data sourced from clinicaltrials.gov

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