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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02625298
Other study ID # 001-12
Secondary ID
Status Completed
Phase Phase 2
First received December 1, 2015
Last updated August 30, 2017
Start date September 2010
Est. completion date March 2016

Study information

Verified date July 2017
Source Association of Paediatric and Preventive Dentists of Serbia
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Traumatic tooth injuries are common in children and adolescents, and often result in pulpal necrosis and the development of periapical lesions. Treatment of traumatized teeth with endodontic complications depends on the type of injury, number of injured teeth, root development and patient cooperation, which altogether will create a challenge and dictate the treatment plan for the dentist. The purpose of this study was to assess the effectiveness of non-surgical root canal procedures in traumatized permanent teeth with necrotic pulps and chronic periapical lesions using a tri-antibiotic paste and calcium-hydroxide as intracanal medications and two different mineral trioxide aggregate (MTA) products for definitive obturation.


Description:

Root canal procedures will be performed on single-rooted traumatized permanent teeth (both with mature and immature root development) with necrotic pulps and periaoical lesions. Following access opening in each tooth, the root canals will be gently debrided with a crown-down manual technique using K-files according to the radiographically determined working lengths; irrigation with saline was used in all cases. K-files will be only used to remove the necrotic tissue and the softened predentinal layer without excessive removal of mineralized dentin, as this may have further weaken already thin walls of the root canals, particularly those with immature apical development. Subsequently, a reshaping of the canal system, followed by a minor curettage of the periapical area through the canal using barbed broaches will be made in order to partially destruct the periapical lesion and provoke bleeding. Final irrigation will be performed using 2% NaOCl (Chloraxid, Cerkamed, Stalowa Wola-Poland), 0.2% solution of chlorhexidine-digluconate (Curasept 220, Curadent Swiss GmbH, Kriens-Switzerland) and 40% citric acid solution (40% Citric acid, Cerkamed, Stalowa Wola, Poland). The canals will be then dried with sterile paper points and filled with triple-antibiotics paste using a lentula, for a period of seven days. Following this initial disinfection, calcium-hydroxide paste will be placed into the root canals for at least four weeks, for a maximum of six weeks (UltraCal XS, Ultradent Products Inc., South Jordan, UT USA). Apical thirds of the root canals will be obturated either with ProRoot MTA (Dentsply Tulsa Dental Specialties, Tulsa, OK USA) or MTA+ Cerkamed (Cerkamed, Stalowa Wola, Poland) by forming an apical plug of 3-5 mm of thickness. The correct placement of the apical plug will be assessed radiographically, and the moist cotton pellet was left in the root canal. The next day, the rest of the canal space will be filled with a sealer (Acroseal, Septodont, Saint-Maur des Frosses-France) and gutta-percha points (Guttapercha, VDW GmbH, Munich-Germany) using a lateral compaction technique. Coronal parts of root canal systems will be sealed using glass-ionomer cement (Fuji IX, GC Int., Tokyo, Japan) with a minimum thickness of 1.5-2 mm. The teeth will be restored using composite material (Gradia Direct, GC Int., Tokyo, Japan). Two dentists with many years of clinical experience, and using identical, predetermined treatment protocols will perform all treatments.

The positive clinical outcome will comprise of absence of spontaneous or provoked pain, no discomfort during chewing, no numbness or tenderness to percussion and/or palpation, no altered tooth mobility, tooth crown discoloration or abscess and/or sinus tract. Radiological assessment of the outcomes will be performed according to the analysis of post treatment radiographs (initial, baseline, 3, 6, 12, and 24-months subsequent to obturation) after being photographed using a digital camera Kodak EasyShare Max (Z990) with millimetre measurer in order to obtain interpretation of sizes of periapical lesions during conversion of pixels in mm2 by digital data processing in Adobe Photoshop CS software.


Recruitment information / eligibility

Status Completed
Enrollment 24
Est. completion date March 2016
Est. primary completion date December 2015
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 7 Years to 18 Years
Eligibility Inclusion Criteria:

- Healthy patient

- Non-vital tooth with chronic periapical lesions

- Restorable tooth

- No horizontal or vertical root fractures

- No root resorption

Exclusion Criteria:

- Unrestorable tooth

- Horizontal or vertical root fractures

- Root resorption

Study Design


Related Conditions & MeSH terms


Intervention

Device:
ProRoot MTA
Apical thirds of the root canals obturated with ProRoot MTA (Dentsply Tulsa Dental Specialties, Tulsa, OK USA).
MTA+ Cerkamed
Apical thirds of the root canals obturated with MTA + (Cerkamed, Stalowa Wola, Poland).

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Association of Paediatric and Preventive Dentists of Serbia

Outcome

Type Measure Description Time frame Safety issue
Primary Changes Between Initial and Post Treatment Dimensions of Periapical Lesions Changes in the dimensions of periapical lesions will be performed according to the analysis of initial and post treatment radiographs (baseline, 3, 6, 12, and 24-months subsequent to obturation) after being photographed using a digital camera Kodak EasyShare Max (Z990) with millimetre measurer in order to obtain interpretation of sizes of periapical lesions during conversion of pixels in mm2 by digital data processing in Adobe Photoshop CS software. Sucessful radiographic assessment will include decrease in size of the periapical lesion at the recall time of 24 months. baseline, 3, 6, 12 and 24 months
Secondary Presence of Clinical Symptoms Clinical examination will be used to assess the presence of spontaneous or provoked pain, discomfort during chewing, numbness or tenderness to percussion and/or palpation, altered tooth mobility, tooth crown discoloration or abscess and/or sinus tract. baseline
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