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Clinical Trials/NCT06727110
NCT06727110RecruitingNot Applicable

Dentin Caries and Polymer-induced Liquid Precursor System (PILP): Adult Safety Study

University of California, San Francisco1 site in 1 country30 target enrollmentStarted: February 1, 2025Last updated:
Conditions
Interventions

Trial Snapshot

Phase
Not Applicable
Status
Recruiting
Enrollment
30
Locations
1
Primary Endpoint
Pulpal response

Study Overview

Brief Summary

The goal of this clinical trial is to learn if polymer-induced liquid precursor (PILP) can be used safely to treat dentin caries (cavities) in adults. The main question it aims to answer is: Is PILP (conditioner or liner) safe in adult teeth with dental caries? Researchers will compare PILP to a placebo (a look-alike substance that contains no drug) to see if PILP safely treats cavities in teeth.

Participants will: 1) Have PILP or placebo applied to their tooth prior to the placement of a filling in the tooth, 2) Complete two telephone calls within three months of filling placement and 3) Visit the clinic at three months and six months after the placement of the filling.

Detailed Description

The proposed study is a first-in-human safety evaluation of Polymer-Induced Liquid Precursor (PILP)-releasing dental materials for the treatment of deep carious lesions in adult posterior teeth.

The study will enroll adult patients diagnosed with carious lesions involving the dentin. Participants will be randomly assigned to one of three intervention groups. The primary objective is to assess the safety of PILP application, with a hypothesis that PILP can be safely used without causing adverse events to the tooth or patient.

Participants will undergo a series of visits starting with a comprehensive screening and consent process, followed by the assigned dental procedure involving caries removal and restoration. Follow-up evaluations will occur at 48 hours, 1 month, 3 months, and 6 months post-procedure to monitor for any symptoms or adverse outcomes.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
Double (Participant, Outcomes Assessor)

Eligibility Criteria

Ages
18 Years to 64 Years (Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Stated willingness to comply with all study procedures and availability for the duration of the study
  • Male or female, aged 18 to sixty-four
  • In good general health as evidenced by medical history (ASA 1 or 2)
  • With at least one posterior tooth with caries to dentin
  • The tooth must have a pulpal diagnosis of pulpal health (no irreversible pulpitis or periapical radiolucency)
  • The tooth should have no existing restorations
  • The caries should be a Class I or class V single surface lesion
  • The tooth should be planned for restoration with intra-coronal restoration (composite or RMGI restoration)
  • The tooth should be deemed as needing a restoration based on ICDAS (International Caries Detection and Assessment System)

Exclusion Criteria

  • Known allergic reactions to components of the study device

Arms & Interventions

PILP Conditioner and Cement

Experimental

PILP conditioner and cement placement prior to tooth restoration.

Intervention: PILP Cement (Device)

PILP Conditioner

Experimental

PILP conditioner application prior to tooth restoration.

Intervention: PILP Conditioner (Device)

No intervention

No Intervention

Placement of traditional dental restoration without additional intervention.

Outcomes

Primary Outcomes

Pulpal response

Time Frame: Tooth vitality testing will occur approximatley 3 months and 6 months after placement of the restoration.

Tooth vitality (pulpal response) after intervention.

Secondary Outcomes

  • Dental pain/sensitivity(Tooth pain will be assessed at 48 hours, 1 month, 3 month and 6 months after placement of the restoration.)
  • Gingival Inflammation(Gingival inflammation will be assed by intra-oral clinical exam at 3 and 6 months post restoration placement.)
  • Periapical status(A dental radiograph of the tooth will be take at 3 and 6 months post restoration placement.)

Investigators

Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (1)

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