Table 6.
Quality assessment.
| First Author (Year) | Study Objective | Inclusion and Exclusion Criteria | Dental Visits Description | Data Source | Missing Data | Statistics | Consideration of Confounders | Sensitivity Analysis | Sample Size (Subgroup) | Demographics | Results Discussed with Respect to Other Studies | Results Discussed Regarding Generalizability |
Limitations | Conclusion Supported by Data | Conflict of Interest/Funders |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Al Agili (2020) [22] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Astrom (2013) [32] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Azañedo (2017) [23] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Baldani (2011) [24] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Baldani (2017) [25] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Born (2006) [33] | X | X | X | X | X | X | X | X | X | X | X | X | |||
| Branch (1981) [34] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Brzoska (2017) [35] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Chertok (2018) [26] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Davidson (1997) [36] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Davidson (1999) [37] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Ekanayake (2002) [38] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Evashwick (1984) [39] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Finlayson (2010) [40] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Fonseca (2020) [41] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Gao (2020) [27] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Herkrath (2018) [42] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Herkrath (2020) [43] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Jang (2019) [44] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Jönsson (2020) [63] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Kiyak (1987) [45] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Lee (2020) [46] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Limpuangthip (2019) [47] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Lo (1998) [48] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Maffioletti (2020) [28] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| McKernan (2018) [49] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Muirhead (2009) [50] | X | X | X | X | X | X | X | X | X | X | X | X | |||
| Naavaal (2017) [29] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Nasir (2009) [51] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Pinto Rda (2014) [52] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Rebelo Vieira (2019) [53] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Reisine (1987) [54] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Serna (2020) [55] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Silva (2013) [56] | X | X | X | X | X | X | X | X | X | X | X | X | X | ||
| Stapleton (2016) [57] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Suominen (2017) [58] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Tennstedt (1994) [59] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Varenne (2006) [60] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Vingilis (2007) [30] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Xu (2018) [31] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| Xu (2020) [61] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Zlotnick (2014) [62] | X | X | X | X | X | X | X | X | X | X | X | X | X | X | |
| 100 | 100 | 100 | 100 | 49.5 | 100 | 100 | 85.7 | 100 | 100 | 100 | 100 | 97.6 | 100 | 81.0 |