Reducing Bacteria That Cause Tooth Decay

NCT03062605 | Completed Phase 3 Results

• 1 other identifier: 20102774
• Study Type: interventional
• Target: 48
• Locations: 0 countries
• Sites: N/A

Brief Summary

The purpose of the study is to determine the effect of a two-step mouth rinsing procedure on reducing the germs (mutans Streptococci) that cause tooth decay. We hope that the two-step mouth rinse (0.3% NaOCl followed by 10% Povidone Iodine) decreases the tooth causing germs better than the one-step mouth rinse (10% Povidone Iodine). The mouth rinse for both treatment groups is done only once at the beginning of the study after the initial saliva samples are taken, and before a detailed examination of the teeth and gums. It is hypothesized that the treatment group receiving the NaOCl and Povidone iodine will have significantly lower microbial counts than the control group (Povidone iodine) because the NaOCl will disrupt the microbial biofilm and make the Povidone iodine more effective in decreasing the microbes in the biofilm. Microbial counts are made from Salivary samples taken from participants at baseline, one week, one month, two months and three months. The samples are tested by two commercial methods for determining microbial counts. The CariScreen Test is a rapid bioluminescence assay that quantitates the total number of all of the organisms present. The CRT test requires a culture media that is specific for the two germs (S. mutans and Lactobacillus) strongly associated with tooth decay. The results of the CRT Test are read after three days of incubation.

Conditions

Caries, Dental; Cariostatic Agents

Outcome Measures

Primary Outcomes (1)

• Microbial Levels

  The CRT® Bacteria (Ivoclar Vivadent) saliva sample test is done on culture media that is specific for S. mutans and Lactobacillus. After incubation for 3 days the colonies are compared to photographic standards.

  Baseline, 12 weeks

Study Arms (2)

Treatment(TX)

ACTIVE COMPARATOR

. Participants were assigned randomly to one of two treatment groups and continued in parallel for the three-month duration of the study. The first treatment group (TX) rinsed with NaOCL (0.3%) for one minute followed by rinsing with iodine (10%) for one minute

Drug: Iodine (Betadine); Biological: NaOCL

Control (CT)

ACTIVE COMPARATOR

. Participants were assigned randomly to one of two treatment groups and continued in parallel for the three-month duration of the study. The control group (CT) rinsed with iodine (10%) for minute. The CT group was a positive control. Both of these treatments were done only once at the baseline. The reminder of the three-month study was to obtain saliva samples at specific times to determining microbial levels.

Drug: Iodine (Betadine)

Interventions

Iodine (Betadine) DRUG

Control (CT); Treatment(TX)

NaOCL BIOLOGICAL

Also known as: Clorox

Treatment(TX)

Eligibility Criteria

• Age: 20 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• being over 20 years of age;
• having at least one obviously cavitated tooth;
• refraining from smoking, brushing the teeth and using a mouthwash the day of the bacterial sampling;
• refraining from using a commercial mouth rinse during the three months of the study;
• having any two of the following risk factors in the Caries Management by Risk Assessment (CAMBRA) protocol which qualifies as a high caries risk.
• The high caries risk factors included:
• receiving fillings within the past three years;
• snacking frequently between meals;
• presenting with hyposalivation due to medication, radiation or systemic conditions;
• visual presence of heavy plaque accumulation;
• and a minimum of 20 natural teeth.

You may not qualify if:

• using a systemic antibiotic within the past three months;
• currently receiving dental treatment or planning to receive treatment within the next three months (emergency treatment allowed);
• being pregnant or nursing;
• any thyroid disease or sensitivity to iodine;
• the use of a commercially available mouth rinse the day of the screening examination;
• smoking, brushing the teeth and using a mouth rinse the day of the bacterial sampling;
• not being able to make morning examinations.

Sponsors & Collaborators

• University of California, Los Angeles: lead

Related Publications (11)

• Brailsford SR, Byren RW, Beighton D. Evaluation of new dip slide test for the quantification of mutans streptococci from saliva. Bericht 1998.

  BACKGROUND

• Caufield PW, Gibbons RJ. Suppression of Streptococcus mutans in the mouths of humans by a dental prophylaxis and topically-applied iodine. J Dent Res. 1979 Apr;58(4):1317-26. doi: 10.1177/00220345790580040301.

  PMID: 285102 BACKGROUND

• DenBesten P, Berkowitz R. Early childhood caries: an overview with reference to our experience in California. J Calif Dent Assoc. 2003 Feb;31(2):139-43.

  PMID: 12636318 BACKGROUND

• Dye BA, Tan S, Smith V, Lewis BG, Barker LK, Thornton-Evans G, Eke PI, Beltran-Aguilar ED, Horowitz AM, Li CH. Trends in oral health status: United States, 1988-1994 and 1999-2004. Vital Health Stat 11. 2007 Apr;(248):1-92.

  PMID: 17633507 BACKGROUND

• Featherstone JD, Adair SM, Anderson MH, Berkowitz RJ, Bird WF, Crall JJ, Den Besten PK, Donly KJ, Glassman P, Milgrom P, Roth JR, Snow R, Stewart RE. Caries management by risk assessment: consensus statement, April 2002. J Calif Dent Assoc. 2003 Mar;31(3):257-69. No abstract available.

  PMID: 12693825 BACKGROUND

• Hallett KB, O'Rourke PK. Oral Biofilm activity, culture testing and caries experience in school children. International Journal of Paediatric Dentistry. 2009;19(Suppl. 2):4.

  BACKGROUND

• Lenox JA, Kopczyk RA. A clinical system for scoring a patient's oral hygiene performance. J Am Dent Assoc. 1973 Apr;86(4):849-52. doi: 10.14219/jada.archive.1973.0178. No abstract available.

  PMID: 4511175 BACKGROUND

• Matsumoto Y, Sugihara N, Koseki M, Maki Y. A rapid and quantitative detection system for Streptococcus mutans in saliva using monoclonal antibodies. Caries Res. 2006;40(1):15-9. doi: 10.1159/000088900.

  PMID: 16352875 BACKGROUND

• Pellegrini P, Sauerwein R, Finlayson T, McLeod J, Covell DA Jr, Maier T, Machida CA. Plaque retention by self-ligating vs elastomeric orthodontic brackets: quantitative comparison of oral bacteria and detection with adenosine triphosphate-driven bioluminescence. Am J Orthod Dentofacial Orthop. 2009 Apr;135(4):426.e1-9; discussion 426-7. doi: 10.1016/j.ajodo.2008.12.002.

  PMID: 19361723 BACKGROUND

• Slots J, Jorgensen MG. Effective, safe, practical and affordable periodontal antimicrobial therapy: where are we going, and are we there yet? Periodontol 2000. 2002;28:298-312. doi: 10.1034/j.1600-0757.2002.2801123.x.

  PMID: 12013347 BACKGROUND

• Takahashi N, Nyvad B. Caries ecology revisited: microbial dynamics and the caries process. Caries Res. 2008;42(6):409-18. doi: 10.1159/000159604. Epub 2008 Oct 3.

  PMID: 18832827 BACKGROUND

MeSH Terms

Conditions

Dental Caries

Interventions

Iodine; Povidone-Iodine; Sodium Hypochlorite

Condition Hierarchy (Ancestors)

Tooth Demineralization; Tooth Diseases; Stomatognathic Diseases

Intervention Hierarchy (Ancestors)

Halogens; Elements; Inorganic Chemicals; Iodophors; Iodine Compounds; Polyvinyls; Vinyl Compounds; Alkenes; Hydrocarbons, Acyclic; Hydrocarbons; Organic Chemicals; Povidone; Pyrrolidinones; Pyrrolidines; Heterocyclic Compounds, 1-Ring; Heterocyclic Compounds; Plastics; Polymers; Macromolecular Substances; Biomedical and Dental Materials; Manufactured Materials; Technology, Industry, and Agriculture; Hypochlorous Acid; Chlorine Compounds; Oxides; Oxygen Compounds; Sodium Compounds

Results Point of Contact

• Title: Dr. Vladimir W. Spolsky
• Organization: UCLA

vspolsky@dentistry.ucla.edu

310-794-0700

Study Officials

• Vladimir W. Spolsky, DMD, MPH

  University of California, Los Angeles

  PRINCIPAL INVESTIGATOR

Publication Agreements

• PI is Sponsor Employee: Yes

Study Design

• Study Type: interventional
• Phase: phase 3
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: INVESTIGATOR
• Masking Details: This was a single blind study. The participants knew which one time treatment they were receiving, but the person doing the saliva sampling and testing did not know which treatment the participant was assigned
• Purpose: PREVENTION
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Model Details: Participants were randomly assigned to one of two treatment groups and continued in parallel for the three-month duration of the study.

Study Record Dates

• First Submitted: February 21, 2017
• First Posted: February 23, 2017
• Study Start: May 21, 2011
• Primary Completion: February 11, 2012
• Study Completion: February 17, 2012
• Last Updated: December 24, 2019
• Results First Posted: December 24, 2019

Record last verified: 2019-12

Data Sharing

• IPD Sharing: Will not share