Resources For Dental Professionals

The Science

Reducing oral dryness

Dry mouth is the result of insufficient salivary flow, which can be caused by a variety of factors, including certain medications. Chewing sugarfree gum increases the production of saliva, thereby helping to reduce the feeling of dry mouth.

Published research

1. Assessment of chewing sugar-free gums for oral debris reduction: A randomized controlled crossover clinical trial.
Fu Y, Li X, Ma H, Yin W, Que K, Hu D, Dodds M, Tian M. Am J Dent. 2012; 25: 118-122.
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2. Chewing gum and a saliva substitute alleviate thirst and xerostomia in patients on haemodialysis.
Bots CP, Brand HS, Veerman EC, Korevaar JC, Valentijn-Benz M, Bezemer PD, Valentijn RM, Vos PF, Bijlsma JA, ter Wee PM, Van Amerongen BM, Nieuw Amerongen AV. Nephrol Dial Trans. 2005; 20(3): 578-84.
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3. The management of xerostomia in patients on haemodialysis: comparison of artificial saliva and chewing gum.
Bots CP, Brand HS, Veerman EC, Valentijn-Benz M, Van Amerongen BM, Nieuw Amerongen AV, Valentijn RM, Vos PF, Bijlsma JA, Benzemer PD, ter Wee PM. Palliat Med. 2005; 19(3): 202-7.
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4. Saliva and Oral Health 3rd Edition.
Edgar WM, O’Mullane DM, Dawes C. 2004.
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5. Salivary flow rate and pH during prolonged gum chewing in humans.
Polland KE, Higgins F, Orchardson R. J Oral Rehabil. 2003; 30(9): 861-865.
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6. A comparison of artificial saliva and chewing gum in the management of xerostomia in patients with advanced cancer.
Davies AN. Palliat Med. 2000; 14(3): 197.
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7. The flow rate and electrolyte composition of whole saliva elicited by the use of sucrose-containing and sugarfree chewing gums.
Dawes C, Dong C. Arch Oral Biol. 1995; 40(8): 699-705.
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8. The effects of chewing-gum stick size and duration of chewing on salivary flow rate and sucrose and bicarbonate concentrations.
Rosenhek M, Macpherson LM, Dawes C. Arch Oral Biol. 1993; 38(10): 885-891.
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9. Effects of nine different chewing gums and lozenges on salivary flow rate and pH.
Dawes C, Macpherson LM. Caries Res. 1992; 26(3): 176-182.
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10. Chewing gum as aid from treatment of hyposalivation.
Odusola F. NYSDJ. 1991; 57(4): 28-31.
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11. The effect of chewing sorbitol-sweetened gum on salivary flow and cemental plaque pH from subjects with low salivary flow.
Abelson DC, Barton S, Mandel ID. J Clin Dent. 1990; II(1): 3-5.
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12. The effect of daily gum chewing on salivary flow rates in man.
Jenkins JN, Edgar WM. Dent Res. 1989; 68(5): 786-790.
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WOHP

WOHP

WOHP has supported independent clinical research into the benefits of chewing gum for more than 25 years.

Economic benefits of chewing

Economic benefits of chewing

Global health economic data suggests that increasing sugar-free gum consumption could reduce global dental expenditures from treating tooth decay by US$4.1 billion a year. Download Infographic (PDF) and Economic Benefits Study (PDF)

The Science

The Science

Independent research supported by Wrigley funding has continued to have an impact on the oral care arena for nearly 90 years.