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Noncarious Cervical Lesions clinical trials

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NCT ID: NCT00867997 Completed - Clinical trials for Noncarious Cervical Lesions

Noncarious Cervical Lesion Treatment Outcomes

Start date: March 2009
Phase: Phase 3
Study type: Interventional

The overall objective of this three-armed randomized clinical trial (RCT) is to determine the comparative efficacy of three treatments for hypersensitive noncarious cervical lesions (NCLs): chemoactive dentifrice use, dentin bonding agent (DBA) with sealing, and flowable resin-based composite restoration. The primary outcomes of this study are the reduction/elimination of hypersensitivity and the effect of treatment as measured by patient-reported outcomes. Secondary outcomes, as determined by laboratory evaluation of intraoral replicas of pre- and posttreatment NCL surfaces, are tubule occlusion, retention of resin coating, retention of restoration, and change in lesion size. Outcomes will be ascertained via the following specific aims: Specific Aim 1: To compare the reduction of hypersensitivity of study teeth by both measurement and by patient-reported outcomes among three treatment groups. Specific Aim 2: To recruit subjects with teeth with hypersensitive NCLs, measure baseline sensitivity and subject quality of life, administer one of three different treatments to each of three randomized groups of subjects, and determine immediate posttreatment hypersensitivity. Specific Aim 3: To compare the degree of tubule occlusion before and after the three treatments and to associate these findings with posttreatment hypersensitivity, patient-reported outcomes, and restoration retention. Treatment of NCLs remains controversial. Few studies have compared treatment methods or their financial implications. This RCT will determine the reduction of NCL hypersensitivity and patient-reported outcomes over a 6-month period for each of three different treatments. This will be the first practice-based research network RCT to combine objective clinical assessment of NCL treatment patient-reported outcomes with laboratory examination of dentin tubule occlusion and lesion size.