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临床试验/NCT04512482
NCT04512482已完成2 期

A Visual Evaluation of Oral Plaque Removal Utilizing an Adjunct Enzyme Pre-rinse in Orthodontic Subjects

Indiana University1 个研究点 分布在 1 个国家目标入组 46 人开始时间: 2018年6月14日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
2 期
状态
已完成
入组人数
46
试验地点
1
主要终点
Composite Plaque Score

研究概览

简要总结

This study aims to investigate the impact of a bromelain pre-rinse adjunct on oral plaque removal in orthodontic subjects. The study's null hypothesis states that there is no statistically significant difference in visual plaque scores among orthodontic subjects with or without proteolytic enzyme rinse aid.

详细描述

Bromelain, a naturally occurring cysteine protease, from pineapple stalks, is used in food and medical industries and listed on the FDA's "Generally Recognized As Safe" (GRAS) list. In vitro bromelain study demonstrated antibacterial effect on oral pathogens. Bromelain was found to prevent biofilm formation by interfering with bacteria-bacteria adhesion and/or adhesion to enamel surface. Clinical trials with toothpaste containing bromelain demonstrated improved plaque and gingivitis scores and extrinsic enamel stain removal capabilities. The impact of bromelain application prior to traditional mechanisms of plaque removal have not been clearly evaluated.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Crossover
主要目的
Supportive Care
盲法
Triple (Participant, Care Provider, Outcomes Assessor)

盲法说明

Investigators were blinded during the clinical phase of the study and were unaware of the agents the subjects received. The investigators were also blinded during the visual plaque score analysis of the project and were unaware of what photograph corresponded to what phase or intervention.

入排标准

年龄范围
10 Years 至 25 Years(Child, Adult)
性别
All
接受健康志愿者

入选标准

  • male or female
  • 10 to 25 years of age
  • willing to consent to participation
  • able to follow study instructions
  • in active orthodontic treatment with fixed orthodontic appliances

排除标准

  • unwilling/unable to follow study instructions
  • documented/suspected pineapple allergy
  • proteolytic enzyme allergy
  • food dye allergy

研究组 & 干预措施

Experimental: Bromelain, Then Placebo

Experimental

Subjects were asked to chew a disclosing tablet, swish, and expectorate. Intraoral photographs were obtained. They then received a vial containing 1 gram of bromelain that was reconstituted with 15ml of pineapple juice at 50 degrees F. Subjects swished the solution in their mouth for 2 minutes and then expectorated. Intraoral photographs were obtained. Subjects then received a toothbrush and were asked to brush their teeth for 2 minutes. Intraoral photographs were obtained. The subjects were then given a Waterpik and instructed to use the appliances to clean their teeth and brackets to the best of their ability, for 2 minutes. Intraoral photographs were obtained. After a 1 week washout period, they received the placebo rinse (powdered sugar), following the same protocol and series of intraoral photographs.

干预措施: Bromelain (Drug)

Experimental: Bromelain, Then Placebo

Experimental

Subjects were asked to chew a disclosing tablet, swish, and expectorate. Intraoral photographs were obtained. They then received a vial containing 1 gram of bromelain that was reconstituted with 15ml of pineapple juice at 50 degrees F. Subjects swished the solution in their mouth for 2 minutes and then expectorated. Intraoral photographs were obtained. Subjects then received a toothbrush and were asked to brush their teeth for 2 minutes. Intraoral photographs were obtained. The subjects were then given a Waterpik and instructed to use the appliances to clean their teeth and brackets to the best of their ability, for 2 minutes. Intraoral photographs were obtained. After a 1 week washout period, they received the placebo rinse (powdered sugar), following the same protocol and series of intraoral photographs.

干预措施: Powdered sugar (Other)

Experimental: Placebo, Then Bromelain

Placebo Comparator

Subjects were asked to chew a disclosing tablet, swish, and expectorate. Intraoral photographs were obtained. They then received a vial containing 1 gram of powdered sugar that was reconstituted with 15ml of pineapple juice at 50 degrees F. Subjects swished the solution in their mouth for 2 minutes and then expectorated. Intraoral photographs were obtained. Subjects then received a toothbrush and were asked to brush their teeth for 2 minutes. Intraoral photographs were obtained. The subjects were then given a Waterpik and instructed to use the appliances to clean their teeth and brackets to the best of their ability, for 2 minutes. Intraoral photographs were obtained. After a 1 week washout period, they received the bromelain rinse, following the same protocol and series of intraoral photographs.

干预措施: Bromelain (Drug)

Experimental: Placebo, Then Bromelain

Placebo Comparator

Subjects were asked to chew a disclosing tablet, swish, and expectorate. Intraoral photographs were obtained. They then received a vial containing 1 gram of powdered sugar that was reconstituted with 15ml of pineapple juice at 50 degrees F. Subjects swished the solution in their mouth for 2 minutes and then expectorated. Intraoral photographs were obtained. Subjects then received a toothbrush and were asked to brush their teeth for 2 minutes. Intraoral photographs were obtained. The subjects were then given a Waterpik and instructed to use the appliances to clean their teeth and brackets to the best of their ability, for 2 minutes. Intraoral photographs were obtained. After a 1 week washout period, they received the bromelain rinse, following the same protocol and series of intraoral photographs.

干预措施: Powdered sugar (Other)

结局指标

主要结局

Composite Plaque Score

时间窗: 1 day

The composite plaque score refers to the cumulative plaque score of all twelve teeth following the administration of the bromelain and placebo (powdered sugar) solutions. The composite plaque score scale had a minimum value of 0 and a maximum value of 48. A score of 0 indicated no plaque was observed on the teeth, while a a score of 48 indicated severe plaque on all possible tooth surfaces. A lower plaque score reflects a better outcome, while a higher plaque score a worse outcome.

次要结局

未报告次要终点

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Kelton Stewart

Chair & Program Director, Department of Orthodontics and

Indiana University

研究点 (1)

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