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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®).


Clinical Trial 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. ;


Study Design

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


Related Conditions & MeSH terms


NCT number NCT00187837
Study type Interventional
Source University of Copenhagen
Contact
Status Completed
Phase N/A
Start date February 2005
Completion date June 2013

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