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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04385693
Other study ID # IRB202000068
Secondary ID OCR34882
Status Completed
Phase N/A
First received
Last updated
Start date June 12, 2020
Est. completion date April 12, 2023

Study information

Verified date June 2023
Source University of Florida
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

When proximal carious lesions of primary molars are located in close proximity to the cementum enamel junction (CEJ), marginal seal is challenging and extraction is recommended. Pulpotomy is indicated for vital primary teeth to preserve them in function. The goal of this study is to monitor the long-term effect of intentional bioactive cement pulpotomies and crown coverage performed on vital and asymptomatic carious primary molars with gingival margins close to or at the CEJ


Recruitment information / eligibility

Status Completed
Enrollment 17
Est. completion date April 12, 2023
Est. primary completion date April 12, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 5 Years to 10 Years
Eligibility Inclusion Criteria: - Selected patients will have one or more primary molar teeth diagnosed clinically with large proximal carious lesions with the gingival extension of the cavity at or below the cemento-enamel junction. The tooth should be asymptomatic and must have no signs of swelling, fistula, abnormal mobility and sensitivity to percussion (ruling out food impaction), and adequate space for placement of a stainless steel crown restoration. The pre-operative periapical radiograph, taken as part of the new patient/recall routine visit, should reveal a lesion in close approximation to the pulp, but having at least 1-2 mm of sound dentin separating the deepest portion of the lesion and the pulp. In addition, no evidence of furcation and periapical pathology, internal or external root resorption and presence of half to two-thirds of root length remaining. Exclusion Criteria: - Uncooperative patients - Teeth with positive history of pain, abnormal mobility, signs of pulp necrosis such as presence of swelling or fistula, and significant space loss due to caries not allowing placement of a stainless steel crown restoration - Radiographically, signs of furcation and periapical pathology, internal and external resorption, less than half to 2/3 of root length remaining - Selected patients will be treated by pediatric dental residents in the regular dental clinic setting with or without nitrous oxide inhalation, as part of the standard of care - Prior to the beginning of the study, all operators will be calibrated by the principal investigator on identifying the teeth in question, as well as on the restorative technique - Selected patients may have one or more qualified teeth

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Pulpotomy
Pulpotomy using bioactive bioceramic cement of 1.5 mm layer of a newly FDA approved calcium-based silicate cement (Nusmile NeoPutty) will be placed on the pulp chamber floor and canals' orifices for pulp and root therapy. Pulpotomy is a procedure in which the coronal pulp is amputated, and the remaining radicular pulp tissue is treated with a medicament to preserve the pulp's health.This technique involves administration of local analgesia, Isolation of the tooth with rubber dam, complete caries removal and then access to the pulp chamber using drills.
Extraction and placement of space maintainer
If during the pulpotomy procedure, hemostasis is not obtainable, or signs of advanced pulp degeneration such as dark and limited or no bleeding from canals, the pulp will be diagnosed as chronically inflamed or necrotic, and tooth will be extracted. As part of the standard of care after extractions of primary molars, space maintenance will be assessed, and a space maintainer fabricated if indicated. Extracted teeth will serve as controls, and information regarding the need or not of space maintenance.

Locations

Country Name City State
United States University of Florida Gainesville Florida

Sponsors (2)

Lead Sponsor Collaborator
University of Florida NuSmile, Ltd and Avalon Biomed

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Radiographic examination for each recall visit Evaluation of asymptomatic tooth in the mouth for presence of infection (bite -wing/periapical radiograph(s) up to 1 year
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