Table 1 Characteristics of studies answering the first outcome: Caries experience (DMF/dmf) in Institutionalised vs non-institutionalized

1

(Agarwalla et al., 2022) [47]

7–11

Both: 25 males & 25 females in each group

India

100:

50 per group

Data not available

DMF = 

1.54 ± 2.09

DMF = 

2.52 ± 3.04

DMF of O < C not significantly

(P = 0.064)

2

(Al-maweri et al., 2014) [12]

6–15

Males only (404)

Sana’a-Yemen

404:

202 per group

NGO

dmft = 

2.28 ± 2.37

dmft = 

3.82 ± 2.57

dmft C > O

significantly

P < 0.001

DMFT = 

2.06 ± 1.94

DMFT = 

1.77 ± 1.58

O > C not significantly

(P > 0.05)

3

(Gaytry, 2018) [67]

8–14

Data not available

Namakkal district- India

400:

200 per group

Data not available

No. of participants:

DMF ≤ 3:163

DMF > 3:37

No. of participants:

DMF ≤ 3:138

DMF > 3:62

C > O

Significantly P = 0.004

4

Khattab & Abd-ElSabour, 2023) [20]

6–12

Both:

73 males & 83 females

Giza- Egypt

156:

52 per group

NGO & Gov

orphanages

def

NGO = 

1.69 ± 2.58

Gov = 

0.41 ± 0.89

def = 

0.85 ± 1.79

def

NGO > C > Gov

Significantly P < 0.01

DMF

NGO = 

1.86 ± 2.96

Gov = 

1.80 ± 2.54

DMF = 

0.75 ± 1.29

DMF

NGO > Gov > C

Significantly

P = 0.025

5

(Mehta et al., 2020) [46]

12–15

Both:

235 males & 115 females

Pune district- India

350:

175 per group

Data not available

DMFT = 

1.93 ± 1.21

DMFT = 

2.66 ± 1.27

DMFT

C > O

Significantly

P < 0.001

6

(Meshki et al., 2022) [10]

7–12

Both: detailed numbers not available

Mashhad- Iran

444:

222 per group

Gov

dmft = 

9.01 ± 3.85

dmft = 5.2 ± 3.4

dmft O > C

Significantly

P = 0.003

DMFT = 

3.36 ± 1.86

DMFT = 

2.1 ± 1.8

DMFT O > C

not significantly

P = 0.6

7

(Pavithran et al., 2009) [44]

12–15

Both:

213 males & 207 females

Bengaluru city- south India

420:

210 per group

Data not available

DMFT = 

0.76 ± 1.26

DMFT = 0.64 ± 1.34

DMFT O > C

not significantly

P = 0.370

8

(Rimaviciute et al., 2019) [68]

12 and 15

Both:

64 males & 46 females

South Lithuania

110:

55 per group

Social care? (government?)

12-year-old: DMFT = 2.0 ± 3.25

15-year-old DMFT = 3.0 ± 3.0

12-year-old:

DMFT median = 1

15-year-old DMFT median = 3

O > C

Significantly

P < 0.01

9

(Xu et al., 2021) [32]

3–5,

12–15

Both: 523 males & 399 females

Fuyang city- China

922:

332 (O) vs 590 (C)

Data not available

dmf = 

4.41 ± 2.6

dmf = 

3.29 ± 2.05

dmf: O > C

Significantly

DMF = 1.28 ± 1.26

DMF = 

1.11 ± 1.24

DMF: O > C

Significantly