Table 2.
Characteristics of selected studies.
| Study, Year | Country | Methodology for Diagnosing GERD | Criteria for Diagnosing DE | Total GERD Patients | Total Control Persons |
|---|---|---|---|---|---|
| Järvinen, V. et al., 1988 [22] | Finland | Endoscopy | Dental examination (Eccles and Jenkins criteria) | 20 | NA |
| Meurman, J.H., et al., 1994 [23] | Finland | Endoscopy | Dental examination (Eccles and Jenkins criteria) | 117 | NA |
| Silva, M.A., et al., 2001 [24] | Brazil | Endoscopy | Dental examination (Eccles and Jenkins criteria) | 31 | 14 |
| Muñoz, J.V., et al., 2003 [21] | Spain | Clinical presentation + endoscopy + pH-metry | Dental examination (Eccles and Jenkins criteria) | 181 | 72 |
| Jensdottir, T., et al., 2004 [25] | Denmark | Clinical presentation + endoscopy + pH-metry | Dental examination (Lussi index) | 23 | 57 |
| Oginni, A.O., et al., 2005 [26] | Nigeria | Clinical presentation + endoscopy | Dental examination (Smith and Knight criteria) | 125 | 100 |
| Moazzez, R., et al., 2005 [27] | UK | Clinical presentation + pH-metry + manometry | Dental examination (Smith and Knight criteria) | 31 | 7 |
| Maev, I.V., et al., 2005 [28] | Russian Federation | Clinical presentation + endoscopy + pH-metry | Dental examination (Eccles and Jenkins criteria) | 88 | NA |
| Benages, A., et al., 2006 [29] | Spain | Not specified | Dental examination (Eccles and Jenkins criteria) | 181 | 72 |
| Di Fede, O., et al., 2008 [30] | Italy | Clinical presentation + endoscopy + pH-metry | Dental examination (Smith and Knight criteria) | 200 | 100 |
| Stojsin, I., et al., 2010 [31] | Serbia | Clinical presentation | Dental examination (Eccles and Jenkins criteria) | 30 | 30 |
| Yoshikawa, H., et al., 2012 [32] | Japan | Clinical presentation + endoscopy | Dental examination (Smith and Knight criteria) | 40 | 30 |
| Tantbirojn, D., et al., 2012 [33] | USA | Not specified | Optical scan | 12 | 6 |
| Picos, A.M., et al., 2013 [34] | Romanian | Clinical presentation + endoscopy + pH-metry | Dental examination (BEWE scale) | 60 | 60 |
| Alavi, G., et al., 2014 [35] | Iran | Clinical presentation + endoscopy | Dental examination | 31 | 71 |
| Roesch-Ramos, L., et al., 2014 [36] | Mexico | Clinical presentation + endoscopy + pH-metry + manometry | Dental examination (Eccles and Jenkins criteria) | 60 | 60 |
| Vinesh, E., et al., 2016 [37] | India | Not specified | Dental examination | 142 | NA |
| Reddy, V.K., et al., 2016 [38] | India | Clinical presentation + endoscopy + pH-metry | Dental examination (O’Sullivan index) | 91 | 114 |
| Milani, D.C., et al., 2016 [39] | Brazil | Questionnaire Symptom’s questionnaire for gastroesophageal reflux disease | Dental examination (Smith and Knight criteria) | 143 | 274 |
| Wei, Z., et al., 2016 [40] | China | Not specified | Dental examination (BEWE scale) | 39 | 681 |
| Tumashevich, O.O., et al. 2016 [41] | Russian Federation | Not specified | Dental examination | 103 | 25 |
| Li, W., et al., 2017 [42] | China | Clinical presentation + endoscopy | Dental examination (Smith and Knight criteria) | 51 | 50 |
| Ramachandran, A., et al., 2017 [43] | India | Clinical presentation + endoscopy | Dental examination (BEWE scale) | 25 | 25 |
| Warsi, I., et al., 2019 [44] | Pakistan | Clinical presentation + endoscopy | Dental examination | 187 | NA |
| Ramugade, M.M., et al., 2019 [45] | India | Clinical presentation | Dental examination (Lussi index) | 100 | 100 |
| Jacob, S., et al., 2019 [46] | India | Not specified | Dental examination (BEWE scale) | 12 | NA |
| Picos, A., et al., 2020 [47] | France, Romania | Modified GerdQ questionnaire | Dental examination (BEWE scale) | 141 | 122 |
| Smirnova, T.A., et al., 2021 [48] | Russian Federation | GerdQ questionnaire | Dental examination | 45 | NA |