Table 4.
Possible direct associations between tooth wear and OFP; possible direct and indirect associations between OD and tooth wear, OFP and SB
| Direct | Indirect | ||
|---|---|---|---|
| Tooth wear | |||
| Reference | Association | ||
| cTW → DP/HY | 17, 20 | Yes | |
| TW → HY | 18, 19 | Yes | |
| mTW → DP/HY | 21 | No | |
| mTW → TMDP | 22, 23 | No | |
| Conclusions: Chemical tooth wear can directly be associated with dental pain and/or hypersensitivity; there is no association between tooth wear and TMD pain | |||
| Oral dryness | |||||
|---|---|---|---|---|---|
| Reference | Association | Reference | Association | ||
| OD → mTW + cTW | 30, 31 | Yes | OD → TW → DP/HY | 17, 18, 19, 20 | Yes |
| OD → OFP | 32 | Yes | |||
| OD → SB | 32 | Yes | OD → SB → TW → DP/HY | 17, 18, 19, 20 | Yes |
| OD → SB → TW | 34 | No | |||
| OD → SB → TW | 35 | Yes | |||
| OD → SB → TMDP | 34 | No | |||
| OD → SB → TMDP | 35 | Yes | |||
| Conclusions: Oral dryness can directly be associated with mechanical tooth wear (when less saliva causes less lubrication), chemical tooth wear (when less saliva results in less buffer capacity), oro‐facial pain (irritation of the soft tissues of the oral cavity), and sleep bruxism (compensating the oral dryness) | Conclusions: Oral dryness can indirectly be associated with oro‐facial pain (dental pain/hypersensitivity due to tooth wear, with or without sleep bruxism); oral dryness might be indirectly associated with tooth wear (due to sleep bruxism) or TMD pain (due to sleep bruxism); opposite findings are revealed | ||||
Abbreviations: →, association; cTW, chemical tooth wear; DP, dental pain; HY, hypersensitivity; mTW, mechanical tooth wear; OD, oral dryness; OFP, oro‐facial pain; SB, sleep bruxism; TMDP, TMD pain; TW, tooth wear.