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The Standardization of Toothbrush Form for Korean Adult
Int J Clin Prev Dent 2014;10(4):227-235
Published online December 30, 2014
© 2014 International Journal of Clinical Preventive Dentistry.

Jong Ae Chun1, Min Jeong Cho2

1Department of Dental Hygiene, Taegu Science University, Daegu, 2Department of Dental Hygiene, Sorabol College, Gyeongju, Korea
Correspondence to: Min Jeong Cho
Received September 13, 2014; Revised December 11, 2014; Accepted December 15, 2014.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objective: The author had measured the size of the dental models from adults in order to suggest the proper form of toothbrush standardization. Methods: There were 252 adults who participated through the impression taking, with the alginate, and model production with the stone. The length of two or three molar teeth was measured for estimating the proper length of the toothbrush head
size length, and the intercuspal length was measured for deciding the proper length of the width head. The length of the incisal edge to cervical portion of canine was measured for the length of the toothbrush height. Results: The average and standard deviation were introduced and the results were as following: 1. The proper length of toothbrush for an adults were suggested as 21.4 to 30.5 mm for males and 20.9 to 29.6 mm for females. The proper width of toothbrush head size were suggested as 7.6 mm, and the height of the toothbrush head were suggested 10.7 mm for males and 10.3 mm for females; 2. The length of the neck of the proper toothbrush was suggested as 31.3 mm to males and famales; 3. The proper length of the handle of the adult toothbrush was suggested as 13.5 cm for males and 12.6 cm for females. Conclusion: We recommended that toothbrushes for general citizens should be designed and produced, by consideration of
the average size of the Koreans standardization of the body or oral cavity.
Keywords : toothbrush, toothbrush length
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