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Research ArticleResearch
Open Access

A Randomized Clinical Trial Evaluating Plaque and Gingivitis Effects of an Entry-Tier Oscillating-Rotating Electric Toothbrush

Ralf E. Adam, Julie M. Grender, Hans Timm, Jimmy Qaqish and C. Ram Goyal
American Dental Hygienists' Association October 2025, 99 (5) 6-17;
Ralf E. Adam
Procter & Gamble Service GmbH, Kronberg, Germany
PhD
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Julie M. Grender
The Procter & Gamble Company, Mason, OH, USA
PhD
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  • For correspondence: grender.jm{at}pg.com
Hans Timm
Procter & Gamble Service GmbH, Kronberg, Germany
PhD
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Jimmy Qaqish
All Sum Research Center Ltd., Mississauga, ON, CA
BSc
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C. Ram Goyal
All Sum Research Center Ltd., Mississauga, ON, CA
DDS
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Article Information

vol. 99 no. 5 6-17
PubMed 
41022557

Published By 
American Dental Hygienists' Association
Print ISSN 
1553-0205
History 
  • Received February 20, 2025
  • Accepted July 8, 2025
  • Published online September 29, 2025.

Copyright & Usage 
Copyright © 2025 The American Dental Hygienists’ Association This article is open access and may not be copied, distributed or modified without written permission from the American Dental Hygienists’ Association.

Author Information

  1. Ralf E. Adam, PhD,
  2. Julie M. Grender, PhD⇑,
  3. Hans Timm, PhD,
  4. Jimmy Qaqish, BSc and
  5. C. Ram Goyal, DDS
  1. Procter & Gamble Service GmbH, Kronberg, Germany
  2. The Procter & Gamble Company, Mason, OH, USA
  3. Procter & Gamble Service GmbH, Kronberg, Germany
  4. All Sum Research Center Ltd., Mississauga, ON, CA
  5. All Sum Research Center Ltd., Mississauga, ON, CA
  1. Corresponding author:
    Julie M. Grender, PhD; grender.jm{at}pg.com
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Article usage: September 2025 to October 2025

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American Dental Hygienists' Association: 99 (5)
American Dental Hygienists' Association
Vol. 99, Issue 5
October 2025
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A Randomized Clinical Trial Evaluating Plaque and Gingivitis Effects of an Entry-Tier Oscillating-Rotating Electric Toothbrush
Ralf E. Adam, Julie M. Grender, Hans Timm, Jimmy Qaqish, C. Ram Goyal
American Dental Hygienists' Association Oct 2025, 99 (5) 6-17;

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A Randomized Clinical Trial Evaluating Plaque and Gingivitis Effects of an Entry-Tier Oscillating-Rotating Electric Toothbrush
Ralf E. Adam, Julie M. Grender, Hans Timm, Jimmy Qaqish, C. Ram Goyal
American Dental Hygienists' Association Oct 2025, 99 (5) 6-17;
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Keywords

  • homecare
  • toothbrushing
  • electric toothbrush
  • power toothbrushing
  • dental plaque
  • gingivitis

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