Table 1. | The focus question development according to the PICOS study design |
| Component | Description |
|---|---|
| Problem (P) | Bone resorption after tooth extraction |
| Intervention (I) | Filling alveolar socket with regenerative biomaterial |
| Comparison (C) | Comparison between efficiency of different biomaterials |
| Outcome (O) | Different dimensional changes of alveolar bone |
| Study design (S) | Random controlled trial |
| Focus question | What biomaterials are used for socket preservation after the tooth extraction and which of those show the best results regarding alveolar dimensional changes and quality of newly formed bone? |
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