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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02234609
Other study ID # mARTIV
Secondary ID 76/2011
Status Completed
Phase N/A
First received August 25, 2014
Last updated September 9, 2014
Start date September 2012
Est. completion date October 2013

Study information

Verified date September 2014
Source University of Witten/Herdecke
Contact n/a
Is FDA regulated No
Health authority Gambia: Department of State for Health and Social Welfare
Study type Interventional

Clinical Trial Summary

Atraumatic Restorative Treatment (ART) has become an accepted dental restoration treatment in many developing countries. Because, ART is intended to be operated in molars, and about 10% of all carious lesion by an age of 18 years appear in anterior teeth in Gambia, it was the aim of this study to clinically evaluate a modified ART restoration technique for anterior teeth as the traditional treatment approach did not show satisfying clinical results.


Description:

Atraumatic Restorative Treatment (ART) has become an evidence-based treatment in class I caries cavities for countries with developing dental infrastructure. Though epidemiological data also demonstrate restorative treatment needs in anterior teeth in several African countries, scientific evidence for ART in this application appeared so far unrewarding. Consequently, many carious teeth remain untreated or are scheduled for extraction. In deciduous teeth, class III and IV ART presented 86% failures due to partial or complete loss already within the first year, and longitudinal data in the permanent dentition are rare. Survival rates of 71% after three years, and of 68% after six years in the same study cohort were reported from Brazil.

Basically, ART appears to be an interesting treatment approach as it combines a manual cavity preparation technique with the use of a glass-ionomer cement as an adhesive and fluoride releasing restoration material. Biomechanical stress, however, is above-average in class IV restorations when intending to reconstruct the incisal edge with glass-ionomer cement resulting in reported high rates of restoration fractures or loss. It was therefore the aim to evaluate the clinical effectiveness of a modified ART class IV restoration technique in a clinical study. These data are to be compared with an historical control (original ART class IV anatomical structure rebuilding restorations). Historical control data will be retrieved from "Jordan RA, Gaengler P, Markovic L, Zimmer S: Performance of Atraumatic Restorative Tratment (ART) depending on operator-experience. J Public Health Dent 2010; 70: 176-80."


Recruitment information / eligibility

Status Completed
Enrollment 69
Est. completion date October 2013
Est. primary completion date October 2013
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- informed consent

Exclusion Criteria:

- no class IV cavity

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Device:
modified ART class IV
Carious tissue was removed with an excavator until a sound probing was obtained. Restorations were performed using a mechanically improved glass-ionomer cement for ART. The modified class IV ART restoration was inserted into the cavity using a spatula. By these restoration technique, the cavity was (i) sealed to stop further caries progression. The cavity was (ii) capped to protect the vital dentin-pulp-complex from external stimuli. The modified class IV ART was aimed at conserving the carious incisor for prospective functional use and for prolonging tooth preservation rather than at anatomical reconstruction of the tooth form for cosmetic reasons.

Locations

Country Name City State
Gambia public dental ward at Kindergarten Wattenscheid in Brikama-Kabafita, West Coast Region of The Republic of The Gambia Banjul

Sponsors (1)

Lead Sponsor Collaborator
University of Witten/Herdecke

Country where clinical trial is conducted

Gambia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number (and percentage) of class IV modified ART restorations with failures after 1 year of performance (failures are defined as loss of restoration and/or fractures): annual failure rate Sept 2012 - Sept 2013: participants will be followed-up after 1 year 1 year No
Secondary 9 scale clinical evaluation scores of class IV modified ART restorations after 1 year of performance (scores are defined by Frencken et al. 1996): ART evaluation criteria Sept 2012 - Sept 2013: participants will be followed-up after 1 year ART evaluation criteria were published as follows: "Frencken JF, Makoni F, Sithole W: Atraumatic Restorative Treatment and glas-ionomer sealants in a school oral health programme in Zimbabwe: Evaluation after 1 year. Caries Res 1996, 30:428-433". These index does clinically assess the dental restauration in 1 out of 9 categories from "excellent" to "restoration lost". 1 year No
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