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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00187837
Other study ID # 10001
Secondary ID
Status Completed
Phase N/A
First received September 9, 2005
Last updated October 14, 2016
Start date February 2005
Est. completion date June 2013

Study information

Verified date October 2016
Source University of Copenhagen
Contact n/a
Is FDA regulated No
Health authority Denmark: National Board of HealthSweden: Regional Ethical Review Board
Study type Interventional

Clinical Trial Summary

Brief summary

Background:

A large proportion of dental practice involves the treatment of caries in the permanent dentition. In USA alone tooth related pain is annually responsible for 15 billions days lost through sickness. We do not know whether a stepwise excavation is better or worse compared with one final completed excavation in adults with deep caries with or without pain. A deep carious lesion is in the risk zone of being pulpal exposed during excavation.

Aim:

The aim of the CAP-1-trial is to investigate the beneficial effects of stepwise excavation during two visits versus óne completed excavation of deep caries in permanent teeth with or without pain.

Patients:

Consecutive patients contacting the units involved in the CAP trial for the treatment of deep caries. The trial will comprise 300 patients.

Design:

CAP-1-trial is a randomised patient- and observer-blinded multicenter trial, with two parallel intervention groups. Patients that fulfill the inclusions criteria and none of the exclusions criteria, will be centrally bloc-randomised in Copenhagen Trial Unit, Copenhagen DK, and stratified by age and pain. Allocation ratio is 1:1.

Interventions and products:

Patients are allocated for stepwise excavation in two visits or final excavation in one visit. The patients will not be informed about the result of the randomisation, i.e. the type of intervention. Therefore, all patients will be contacted for two visits. The second visit in the stepwise excavation group wil be used for the second and final excavation, and for the performance of a permanent restoration. The second visit in the one step excavation group will solely be used for the performance of a permanent restoration. The interventions in both groups are completed following 8-10 weeks after the randomisation.

A temporary calcium hydroxide based material is used in both groups (Dycal®). The temporary restoration material, glas-ionomer cement is used (Ketac Molar®) in between visits, and a resin material is used for the final restoration(Herculite®).


Description:

References

BJERKÉN E, WENNBERG A, TRONSTAD L. Endodontisk akutbehandling. Tandläkartidningen. 1980;72:314-9.

BJØRNDAL L, REIT C. The annual frequency of root-fillings, tooth extractions and pulp related procedures in Danish adults 1977-2003. Int Endod J 2004:37:782-788.

BJØRNDAL L. The deep caries lesion dilemma. In Nordic Dentistry 2004 yearbook (Schou L, ed). Copenhagen, Denmark: Quintessence Publishing Co, Inc., 2004; 107-20.

BJØRNDAL L & THYLSTRUP A. A practice -based study on stepwise excavation of deep carious lesions in permanent teeth: a 1-year follow-up study. Community Dent Oral Epidemiol 1998;26:122-8.

BJØRNDAL L. Treatment of deep carious lesions with stepwise excavation. A practice-based study. Tandlaegebladet 1999;103:498-506.

BJØRNDAL L, LARSEN T, THYLSTRUP A. A clinical and microbiological study of deep carious lesions during stepwise excavation using long treatment intervals. Caries Res 1997;31:411-.

BJØRNDAL L, LARSEN T. Changes in the cultivable flora in deep carious lesions following a stepwise excavation procedure. Caries Res 2000;34:502-8.

BERGENHOLTZ G, SPÅNGBERG L. Controversies in endodontics. Crit Rev Oral Biol Med 2004;15:99-114.

FOUAD AF. Molecular mediators of pulpal inflammation. In Seltzer and Bender's Dental pulp ( Hargreaves KM, Goodis HE, eds). Chicago, USA: Quintessence Publishing Co, Inc., 2002; 247-79.

KARLSSON P-O, REIT C. Reasons for endodontic treatment among Swedish general practitioners (abstract). Int Endod J 1994;27:100.

KIRKEVANG L-L Periapical and endodontic status in Danish populations (Ph.D: thesis). Århus: University of Aarhus; 2001.

LEKSELL E, RIDELL K, CVEK M, MEJÁRE I. Pulp exposure after stepwise versus direct complete excavation of deep carious lesions in young posterior permanent teeth. Endod Dent Traumatol 1996;12:192-96.

MAGNUSSON B, SUNDELL SO. Stepwise excavation of deep carious lesions in primary molars. J Int Ass Child 1977;8:36-40.

NADIN G, GOEL BR, YEUNG Ca, GLENNY AM. Pulp treatment for extensive decay in primary teeth (Cochrane Review). In: The Cochrane Library, Issue 1, 2004. Chichester,Uk: John Wiley & Sons, Ltd.

NÄRHI M. Dentinal and pulpal pain. In Textbook of Endodontology (Bergenholtz G, Hørsted-Bindslev P, Reit C, eds). Oxford, UK: Blackwell Munksgaard, 2003; 43-56.

REIT C, HEDEN G, MILTHON R. Endodontiskt behandlingspanorama inom allmäntandvården. Tandläkartidningen 1993;85:543-6.

RICKETTS DNJ, KIDD EAM, INNES N. Complete or ultraconservative removal of decayed tissue in unfilled teeth (Protocol for a Cochrane Review). In: The Cochrane Libray, Issue 1, 2004. Chichester , UK: John Wiley & Sons, Ltd.

SJÖSTRÖM O, SUNDBERG H. Arbetstidens fördelning på olika verksamheter i svensk tandvård 1988. Tandläkartidningen 1989;81:856-67.

SUDA H, IKEDA H. The circulation of the pulp. In Seltzer and Bender's Dental pulp (Hargreaves KM, Goodis HE, eds). Chicago, USA: Quintessence Publishing Co, Inc., 2002; 123-50.

TAYLOR H, CURRAN NM. The Nuprin Pain Report. New York, Lou Harris, 1985.


Recruitment information / eligibility

Status Completed
Enrollment 314
Est. completion date June 2013
Est. primary completion date March 2007
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Person = 18 yrs having deep caries with or without pain:

- x-ray show primary caries in the inner 1/4 of the dentin, with the presence of a radiopaque zone at the pulpal wall NB: Need to mark a 'yes' for both criteria!

Exclusion Criteria:

- Deep carious tooth with (irreversible pulpitis)unbearable pain and/or disturbed night's sleep)

- Deep carious tooth negatively responding on thermal and electrometric tests.

- Deep carious tooth has 'attachment loss' > 5 mm

- X-ray shows apical radiolucency of the actual tooth

- Deep carious tooth has restoration in direct contact with the pulp

- The person has problems with communication

- No informed and written consent is present

- Due to health conditions or pregnancy the person can not participate in the trial

NB: Need to mark 'No' for all criteria

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Procedure:
SW
Stepwise removal of carious tissue in 2 stages
DCE
one complete excavation

Locations

Country Name City State
Denmark School of Dentistry, Faculty of Health Sciences Copenhagen Copenhagen N

Sponsors (8)

Lead Sponsor Collaborator
University of Copenhagen Dan Dental A/S, Göteborg University, Huddinge Faculty,Stockholm,Sweden, Malmö Dental school,Sweden, National Health Insurance foundation, University of Aarhus, Uppsala FolkTandvård,Sweden

Country where clinical trial is conducted

Denmark, 

References & Publications (1)

Bjørndal L, Reit C, Bruun G, Markvart M, Kjaeldgaard M, Näsman P, Thordrup M, Dige I, Nyvad B, Fransson H, Lager A, Ericson D, Petersson K, Olsson J, Santimano EM, Wennström A, Winkel P, Gluud C. Treatment of deep caries lesions in adults: randomized clin — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Primary outcome is whether the treatment can be made with a maintained sensible pulp and without root infection following a 1-year control. In this update we have also completed 5 yr control 1year control data for all treatments primo 2008 No
Secondary Secondary outcome constitutes pain intensity using a visual analogue scale measured before the first visit and 1 and 7 days after. ultimo 2007 No
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