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Natl J Maxillofac Surg. 2017 Jul-Dec;8(2):106-109. doi: 10.4103/njms.NJMS_36_17.

The effect of sodium bicarbonate oral rinse on salivary pH and oral microflora: A prospective cohort study.

Author information

1
Department of Dentistry, Era's Lucknow Medical College, Lucknow, UP, India.
2
Research Cell, Era's Lucknow Medical College, Lucknow, UP, India.
3
Department of Periodontics, Career Dental College and Hospital, Lucknow, UP, India.
4
Department of Trauma and Emergency, KGMU, Lucknow, UP, India.
5
Department of Biochemistry, Era's Lucknow Medical College, Lucknow, UP, India.

Abstract

Aim:

Present study is designed to explore the effect of sodium bicarbonate oral rinse on salivary pH and oral micro flora.

Materials and Methods:

Twenty five healthy subjects were recruited for the study in department of dentistry in Era Medical College. Subjects were abstained from tooth brushing overnight pre rinse (control) samples were collected after one hour of dinner and were asked to rinse with pre calibrated freshly prepared sodium bicarbonate solution. The salivary samples were then collected the following morning using sterile gauze in marked bottles. Aerobic bacterial culture was done by plating the sample directly from the swab on the surface of Blood agar and Mac Conkeys media respectively. The colony forming units and ph were calculated for the pre rinse and post rinse saliva sample.

Result:

Results shows that salivary pH increased significantly after sodium Bicarbonate oral rinse. There was a marginal decrease in number of CFU/ml for bacteria especially Viridans Streptococci, Moraxella species.

Conclusion:

Sodium Bicarbonate oral rinse may be considered as a cheap and effective alternative for chlorhexidine and alcohol based mouth wash, especially where long duration usage is required.

KEYWORDS:

Oral Microflora; salivary pH; sodium bicarbonate

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