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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.
4 questions in 4 reviews · cluster CL0211
current versionsNo studies 2 · 50%Ungraded 1 · 25%Very low 1 · 25%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Extra-oral pulp extirpation at day 0 vs Intra-oral pulp extirpation at day 7 Radiographic resorption (proxy measure for periodontal healing) at 12 months · People with avulsed and replanted permanent (front) teeth · 12 months Interventions for treating traumatised permanent front teeth: avulsed (knocked out) and replanted (2019) · Cochrane | RR 1.35 [0.81, 2.24] | 1 study · 19 participants | Very low |
Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns Periodontal/peri-implant status and occlusal wear (secondary outcomes) · Adults (18 years or older) needing a single crown in the molar or premolar region Metal‐free materials for fixed prosthodontic restorations (2017) · Cochrane | No data were presented for any of the pre-specified secondary outcomes. | 0 studies | No studies |
Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown) Periodontal health status · People with a permanent tooth that has undergone endodontic (root canal) treatment Single crowns versus conventional fillings for the restoration of root‐filled teeth (2015) · Cochrane | No data were reported nor measured by the study. The abstract confirms no evidence was available for any secondary outcome. | NR | No studies |
Aesthetic (resin-veneered) crowns vs Conventional metal (stainless steel) crowns Gingival health at 6 months · Children aged 12 years or younger with tooth decay involving at least one tooth in the primary dentition, symptomatic… · 6 months Dental fillings for the treatment of caries in the primary dentition (2009) · Cochrane | OR 0.30 [0.01, 8.32] | 1 study · 22 participants | Ungraded |