Outcome of included studies
| Measured outcomes of nutrient intake | Markers of nutritional status | Follow-up (months) | Reported findings (change from baseline to follow-up unless stated) | |||
|---|---|---|---|---|---|---|
| Source | Macronutrient | Micronutrient | Assessment method | |||
| Müller et al19 | – | – | – | BMI, MNA, albumin, folic acid, vitamin B12 | 12 | BMI: −0.4 kg/m2 |
| Hamdan et al21 | Protein, total fat, carbohydrate | Folate, riboflavin, thiamine, vitamin A, B6, B12, C, D and E | Three 24 hour dietary recalls by telephone interview | – | 12 | No significant difference |
| Awad et al13 | – | – | – | BMI, albumin, folate, vitamin B6, B12 | 12 | Albumin: −1.3 g/L in IOD group, −0.8 g/L in CD group; folate: −11.4 nmol/L in IOD group, −8.5 nmol/L in CD group; vitamin B6: −32.9 nmol/L (6 months) and −38.7 nmol/L in IOD group, −39.8 nmol/L (6 months) and −39.5 nmol/L (12 months) in CD groups; vitamin B12: −44.1 pmol/L in IOD group, −52.6 pmol/L in CD group (12 months) |
| Gjengedal et al12 | Protein, total, saturated or unsaturated fat, carbohydrate | Dietary fibre, folic acid, vitamin C and D | Three unannounced 24 hour dietary recalls by telephone interview | – | 24 | No significant difference |
| Morais et al15 | – | – | – | BMI, albumin, pre-albumin, carotene, iron, folic acid, vitamin B12 | 12 | Albumin: +1.1 g/L; vitamin B12: +27.6 pmol/L in IOD group (6 months) |
| Hamada et al23 | Protein, total, saturated or unsaturated fat, carbohydrate | Calcium, carotene, folic acid, magnesium, vitamin A, B6, B12, C, E, etc. | 1 week food diary followed up with the USDA Dietary Analysis Program | – | 6 | No significant difference |
| Muller et al22 | – | Folic acid, niacin, riboflavin, vitamin A, B6, B12, C, D and E | The Willett food frequency questionnaire over the observational period | BMI, carotene, ferritin, folic acid and vitamin B12 | 12 | No significant difference |
| Sebring et al27 | Protein, total fat, carbohydrate | Calcium, folic acid, iron, vitamin A, B12, C, D, E, zinc, etc. | 3 day food diary followed-up with interviews | – | 12 | Fat: −1.5% in IOD group, −4.6% in CD; carbohydrate: +1.2% energy in IOD group, +5.3% in CD group |
Bold font shows a significant change in nutrient intake or a marker of nutritional status.
BMI, body mass index; CD, complete denture; IOD, implant supported overdenture; MNA, Mini Nutritional Assessment.