Table 4.

Characteristics of 6 trials with dairy products on wound healing

First author, year	Study type	Dairy product	Sample size Treatment/control group	Findings
Rodrigues, 2005 [8]	Animal model study (rats)	Kefir	5 groups of 5 members	Kefir enhanced wound healing
Badr, 2012 [40]	Animal model study (diabetic mice)	Whey protein	40/20	Whey protein enhanced wound healing in diabetic mice
Schutt, 2014 [41]	Cross-over study (clinical diagnosis)	Ice cream	6/6	Consumption of dairy products had no influence on microbiome in oral cavity
Rouabhia, 2017 [42]	In vitro study	Yogurt		Yogurt enhanced gingival epithelial cell growth and keratin K5 production
Hemmati, 2018 [13]	Animal model study (rabbit)	Low-fat milk ointment	6 groups of 6 members	Low-fat milk ointment enhanced wound healing rate
Oryan, 2018 [17]	Animal model study (burn wound from rats)	Kefir	12	Improvement of angiogenesis and proliferation of fibroblasts