Efficacy of calcium-enriched mixture cement, mineral trioxide aggregate and calcium hydroxide used as direct pulp capping agents in deep carious lesions - a randomised clinical trial.

ISRCTN ISRCTN44317435
DOI https://doi.org/10.1186/ISRCTN44317435
ClinicalTrials.gov number Nil Known
Submission date
21/06/2022
Registration date
11/08/2022
Last edited
17/09/2024
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Oral Health
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Background and study aims
Preservation and maintenance of the life of the tooth by promoting healing of the pulp is one objective in Endodontics. Historically, the placement of a medicament or material against the exposed pulp during the removal of tooth decay has been considered controversial, and instead, root canal therapy has been recommended. Root canal therapy involves the removal of the entire tooth pulp to eliminate pain. But during this procedure, the tooth is literally becoming dead. Multiple appointments, painful procedures, the need for multiple X rays, the need for a dental crown and increased treatment expenses are other drawbacks of this procedure. Furthermore in this procedure, the pulp is not given an opportunity to heal.
The purpose of this study is to add knowledge to the existing literature in the field of Vital Pulp Therapy about the effectiveness of CEM cement, MTA, and Calcium hydroxide in maintaining the life of the wounded pulp by promoting healing and repair when applied over the pulp after removal of the entire decayed portion.

Who can participate?
Patients aged 14 – 60 years with tooth decay affecting the tooth pulp, causing inflammation.

What does the study involve?
The teeth are divided into 3 groups of 50 patients each.
1. Calcium Enriched Mixture (CEM cement) applied to the pulpal wound after removal of tooth decay.
2. Mineral Trioxide Aggregate (MTA) applied to the pulpal wound after removal of tooth decay.
3. Calcium Hydroxide (Dycal) applied to the pulpal wound after removal of tooth decay.
The treated tooth will be filled permanently using tooth coloured filling in the same appointment.
The treated tooth will be evaluated for any pain or discomfort at 1 month, 3 months, 6 months, 12 months and 18 months after the procedure. In the event of any pain or discomfort root canal treatment will be done.

What are the possible benefits and risks of participating?
A successful direct pulp capping procedure will preserve the vitality of the dental pulp thereby eliminating the need for more invasive treatment options like root canal therapy or extraction of the caries exposed tooth. Possible risks involve worsening of pain that may require root canal therapy of the involved tooth.

Where is the study run from?
Department of Conservative dentistry and Endodontics, Government Dental College Kozhikode (India)

When is the study starting and how long is it expected to run for?
November 2011 to September 2012

Who is funding the study?
Investigator initiated and funded

Who is the main contact?
Dr Mridula Parameswaran, mridulatdc@gmail.com

Contact information

Dr Mridula Parameswaran
Principal Investigator

Department of Conservative dentistry and Endodontics
Government Dental college
Thiruvananthapuram
695011
India

ORCiD logoORCID ID 0000-0002-9289-7593
Phone +91 9447450482
Email mridulatdc@gmail.com

Study information

Study designInterventional randomized controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet No participant information sheet available
Scientific titleComparative evaluation of calcium enriched mixture (CEM cement) with mineral trioxide aggregate and calcium hydroxide used as direct pulp capping agents- an in vivo study
Study acronymCECMCD
Study objectivesIs there any difference in the efficacy of Calcium Enriched Mixture (CEM) cement in maintaining pulp vitality following direct pulp capping of carious teeth with reversible pulpitis when compared to Mineral trioxide aggregate (MTA) and Calcium Hydroxide?
Ethics approval(s)Approved 21/03/2011, Institutional Ethics Committee Government Dental College Kozhikode (673008 Kerala, India; +91 9447776977; no email provided), ref: ECR/673/Inst/KL/2014/RR-20
Health condition(s) or problem(s) studiedPatients complaining of pain in relation to deep carious lesions while having food or drinks diagnosed clinically and radiographically to be having reversible pulpitis.
InterventionThe study includes 150 patients selected from the Out Patient Department Of Conservative Dentistry & Endodontics, Govt. Dental College Kozhikode with symptoms of reversible pulpitis in relation to deep carious lesions in close proximity to the pulp.
The teeth are divided into 3 groups of 50 patients each. Randomisation was done by drawing lots.
Group C (Experimental group) – Direct pulp capping with Calcium Enriched Mixture (CEM cement)
Group M (Control group)- Direct pulp capping with Mineral Trioxide Aggregate (MTA)
Group D (Control Group)- Direct pulp capping with Calcium Hydroxide (Dycal)

Capping material overlaid with a thin protective layer of self curing glass ionomer base followed by permanent restoration with direct posterior composite resin immediately. Recall examinations at 1 month, 3 months, 6 months, 12 months and 18 months intervals.
Intervention typeProcedure/Surgery
Primary outcome measureThe criteria for success and failure of direct pulp capping were assessed based on clinical and radiographic findings at each of the follow-up periods at 1 month,3 months, 6 months, 12 months and 18 months in comparison to the preoperative clinical and radiographic data.
1. Pain in relation to the capped tooth assessed using the Visual Analog Scale (VAS) graded from 0-10 recorded and compared in each of the follow up examinations.
2. Tenderness to percussion and palpation- present or absent
3. Measurement of probing depth in each of the follow up examinations using WHO probe.
4. Mobility of tooth assessed using blunt end of two mouth mirrors and graded as 1 to 3
5. Vitality was assessed on the tooth treated using cold test (ENDO FROST PULP TESTER) and Electric pulp tester (Gentle –Pulse Pulp vitality tester, Parkell Electronics,Farmingdale, NY, USA) and scores assigned from 0-10 in relation to adjacent and contralateral teeth and compared with the previous scores in each of the follow up examinations
6. Radiographic evaluation included assessment of the periradicular condition of the selected teeth using Peri Apical Index Scoring System (PAI Score.)
Secondary outcome measuresAt 1 month,3 months, 6 months, 12 months and 18 months
1. Whether root canal therapy done in any of the follow up examinations yes/no
2. Whether extraction done in any of the follow up examinations yes/no
3. Whether sinus tract present or absent yes/no
4. Whether root resorption present or absent yes/no
Overall study start date21/03/2011
Completion date21/09/2012

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants150
Total final enrolment150
Key inclusion criteria1. Teeth having deep carious lesion approximating the pulp.
2. Have symptoms of reversible pulpitis which includes provoked pain of short duration which was relieved upon removal of the stimulus in relation to the carious tooth.
3. No history of spontaneous pain or tenderness to percussion.
4. Patients in the age group of 14- 60 years who are apparently healthy and free of any systemic disease and are not under any medication.
5. Good oral health.
6. Positive response to cold test and electric pulp test
7. Periapical Index Score (PAI) = 1 indicating normal periradicular structures.
8. Teeth which are not subjected to traumatic or abnormal functional stresses.
9. Absence of any non carious destructions and developmental defects
10. No appreciable mobility to finger pressure
11. No clinical or radiographic evidence of pulp degeneration
12. Absence of profuse haemorrhage from the exposure site.
13. Absence of serous or purulent exudates from the exposure site.
14. Control of haemorrhage is possible at the exposure site in less than 5 minutes
Key exclusion criteria1. Patients with compromised immune status
2. Patients who are pregnant at the time of follow-up
3. Caries have extensively penetrated the pulp chamber
4. Tooth showing symptoms of irreversible pulpitis
5. Bleeding from the exposure site persists for more than 5 minutes
Date of first enrolment22/03/2011
Date of final enrolment21/09/2012

Locations

Countries of recruitment

  • India

Study participating centre

Department of Conservative dentistry and Endodontics, Government Dental College Kozhikode
Government Dental College Kozhikode
Kerala
Kozhikode
673008
India

Sponsor information

Government Dental College
Hospital/treatment centre

Department of Conservative dentistry
Kerala
Kozhikode
673008
India

Phone +91 4952356781
Email info@gdckozhikode.org
Website http://www.gdckozhikode.org

Funders

Funder type

Other

Investigator initiated and funded

No information available

Results and Publications

Intention to publish date31/12/2022
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot expected to be made available
Publication and dissemination planPlanned publication in a high -impact peer- reviewed journal
IPD sharing planThe datasets generated during and analysed during the current study are not expected to be made available due to confidentiality of patient data

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article 13/07/2023 17/09/2024 Yes No

Editorial Notes

17/09/2024: Publication reference added.
22/06/2022: Trial's existence confirmed by Government Dental College, Kozhikode