Plaque and salivary pH changes after consumption of fresh fruit juices

The concept of health has prevailed for centuries and the dietary habits are apparently changing with modernization. “Healthy eating” is now perceived to be important. The desirability of a healthful lifestyle has led to an increased consumption of juices. Drinking large amount of fruit juice is fre-quently practiced these days and the consumption of these juices is further modified with behavioral habits such as swishing and frothing the drinks around the mouth, sucking frozen fruit juices, use of feeder cups at bed time etc. Hence this study was conducted to find the acidogenic potential of the com-monly consumed fresh fruit juices (Grapes, orange, and pineapple) and the juices stored at various temperatures (room temperature, refrigerator and freezer) on the plaque and saliva at various inter-vals. It was observed that grape juice was more acidogenic compared to orange and pineapple juice. Frozen fruit juices caused a greater drop in plaque and salivary pH followed by the refrigerated juice.

1. Johansson AK, Johansson A, Birkhed D, Omar R, Baghdais S, Carlson GE. Dental erosion, soft drink intake, and oral health in young Saudi men, and the development of a system for assessing erosive tooth wear. Acta Odont Scand 54: 369–378, 1996.

2. TOUYZ LZG. The vitamin C contents of foods. J DASA 37: 444–448, 1982.

3. DARBY ET. Dent Cosm 34: 629, 1892.

4. Miller WD. Dent Cosm 49: 225, 1907.

5. THYLSTRUP A, FEJERSKOV O, JOOST LARSEN M. Polarized light microscopy of enamel structure in incisors from new born infants. Scandinavian Journal of Dental Research 84: 243–254, 1976.

6. MS DUGGAL, MA POLLARD. The acidogenic potential of herbal baby drinks. Br Dent J 180: 98–103, 1996.

7. ECCLES JD. Erosion affecting the palatal surfaces of upper anterior teeth in young people. Br Dent J 152: 375–378, 1982.

8. HARTLES RL, WAGG BJ. Erosive effect of drinking fluids on the molar teeth of rats. Arch Oral Biol 5: 307–315, 1962.

9. BIRKHED D. Sugar content, acidity and effect on plaque pH of fruit juices, fruit drinks, carbonated beverages and sports drinks. Caries Res 18: 120–127, 1984.

10. MAINWARING PJ. A relationship between plaque pH and caries increment in 11 – 12 year old boys. Caries Res 15: 206–207, 1981.

11. EDGAR WM, BIOBBY BG, MUNDROFF S. Acid production in plaque after eating snacks; modifying factors in foods. J Am Dent Assoc 90: 418–425, 1975.

12. WM EDGAR, DM O’MULLANE. Saliva and Oral Health. II nd ed. 1996: 81–84.

13. GREGORY – HEAD B, CURTIS D. Erosion caused by gastro esophageal reflux: diagnostic considerations. J Prosthodont 6: 278–285, 1997.

14. TOUYZ LZG, M SILOVE. Increased acidity in frozen fruit juices and dental implications. Journal of Dentistry for Children 223–225, May – June 1993.

15. HOLLOWAY PJ, MELLANBY M, STEWART RJC. Fruit drinks and tooth erosion. Br Dent J 104: 305–9, May 1958.

16. JAMES PMC, PARFITT GJ. Local effects of certain medica-ments on the teeth. Br Med J 2: 1252–1253, 1953.

17. TOUYZ LZG, GLASSMAN RM. Citrus acids and teeth. J DASA March 36: 195–201, 1981.

18. WM EDGAR. Duration of response and stimulus sequence in the interpretation of plaque pH data. J Dent Res 61 (10): 1126–1129, 1982.

19. Mc CAY OM, WILL L. Erosion of molar teeth by acid bever-ages. J Nutr 39: 313–324, 1949.

20. MILLER CD. Erosion of molar teeth by acid beverages. J Nutr 401: 63–67, 1950.

21. LANDT H. Oral stereognosis and oral muscular co-ordination ability. Front Oral Physiol.l 4: 55–79, 1983.