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Article Publish Status: FREE
Abstract Title:

A randomised study in young subjects of the effects of eating extra fruit or nuts on periodontal inflammation.

Abstract Source:

BDJ Open. 2018 ;4:17022. Epub 2018 Jan 5. PMID: 29607092

Abstract Author(s):

Sara Fridell, Edvin Ström, Christian Agebratt, Per Leanderson, Hans Guldbrand, Fredrik H Nystrom

Article Affiliation:

Sara Fridell

Abstract:

Objectives/Aims: Fruit is often advocated as a healthy source of nutrients and vitamins. However, the high contents of sugars in many fruits could potentially counteract positive effects on the teeth.

Materials and methods: We recruited 30 healthy non-obese participants who were randomised to either supplement their diet with extra fruits or nuts, each at +7 kcal/kg body weight/day, for 2 months.

Results: Fructose intake increased from 9.1±6.0 to 25.6±9.6 g/day,<0.0001, in the fruit group and was reduced from 12.4±5.7 to 6.5±5.3 g/day,=0.007, in the nut group. Serum-vitamin C increased in both groups (fruit:=0.017; nuts:=0.009).α-Tocopherol/cholesterol ratio increased in the fruit group (=0.0033) whileβ-carotene/cholesterol decreased in the nut group (<0.0001). The amount of subjects with probing pocket depths⩾4 mm in the fruit group was reduced (=0.045) according to blinded examinations, and the difference in the changes in probing pockets⩾4 mm was also statistically significant between the food groups (=0.010).

Conclusion: A large increase of fruit intake, compared with nuts, had a favourable effect on periodontal status in some respects, despite the high sugar contents. To search for potential protective micronutrients in fruit that protect the teeth could be an aim for further research.

Study Type : Human Study

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Sayer Ji
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