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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.
664 questions in 25 reviews · Endodontics and dental trauma
current versionsNo studies 111 · 16.7%Ungraded 417 · 62.8%Very low 69 · 10.4%Low 50 · 7.5%Moderate 16 · 2.4%High 1 · 0.2%
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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Cast post and core with a diaphragm vs Cast post and core without a diaphragm Outcome NR · Participants with permanent endodontically-treated (root-filled) teeth for which a post is indicated to retain the… · Minimum 6 months (planned) Root canal posts for the restoration of root filled teeth (2007) · Cochrane | No included trial evaluated the presence of a diaphragm in cast posts (a planned secondary comparison); no eligible study identified. | 0 studies | No studies |
Dycal (calcium hydroxide material) vs Cavitec (zinc oxide eugenol material) Clinical symptoms at 12 months · Adults (aged 20 to 60 years, mean 27) with deep carious lesions in permanent teeth (indirect or direct pulp capping,… · 12 months, Complete caries removal Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Analysis 2.2 (clinical symptoms at 12 months following complete caries removal, Dycal vs Cavitec). Fitzgerald 1991: 151 teeth in 55 patients (analysis at tooth level, not patient level); substantial attrition (11 teeth… | 1 study · 151 participants | Ungraded |
Calcium hydroxide vs Zinc oxide eugenol Clinical success (survival free of symptoms) at 24 months · Adults with asymptomatic teeth with vital carious pulp exposures · 24 months Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Shovelton 1971 (Analysis 1.1): 275 teeth followed for 2 years (235 at 6 months, 160 at 12 months, 85 analysed at 24 months). Success rates 50% to 80%. Ledermix and calcium hydroxide had the highest success rates,… | 1 study · 275 participants | Ungraded |
Life (calcium hydroxide material) vs Cavitec (zinc oxide eugenol material) Clinical symptoms at 12 months · Adults (aged 20 to 60 years, mean 27) with deep carious lesions in permanent teeth (indirect or direct pulp capping,… · 12 months, Complete caries removal Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Analysis 2.2 (clinical symptoms at 12 months following complete caries removal, Life vs Cavitec). Fitzgerald 1991: 151 teeth in 55 patients (analysis at tooth level, not patient level); substantial attrition (11 teeth… | 1 study · 151 participants | Ungraded |
Life (calcium hydroxide pulp-capping material) vs Dycal (calcium hydroxide pulp-capping material) Clinical symptoms at 12 months · Adults (aged 20 to 60 years, mean 27) with deep carious lesions in permanent teeth (indirect or direct pulp capping,… · 12 months, Complete caries removal Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Analysis 2.2 (clinical symptoms at 12 months following complete caries removal, Life vs Dycal). Fitzgerald 1991: 151 teeth in 55 patients (analysis at tooth level, not patient level); substantial attrition (11 teeth… | 1 study · 151 participants | Ungraded |
Potassium nitrate/dimethyl isosorbide/polycarboxylate cement (KNO3/DMI/PCa) vs Polycarboxylate cement (PCa) alone Clinical success (absence of periapical pathology, tenderness to pressure and fistula formation) at 24 months · Adults with asymptomatic vital pulpal exposures from caries · 24 months Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Hodosh 2003 (Analysis 3.1): all 18 patients receiving KNO3/DMI/PCa responded favourably (0/18 developed clinical symptoms) versus 10/12 in the PCa group. "The results in groups two and three were statistically… | 1 study · 30 participants | Ungraded |
Glycerrhetinic acid/antibiotic mixture vs Zinc oxide eugenol Clinical success (survival free of symptoms) at 24 months · Adults with asymptomatic teeth with vital carious pulp exposures · 24 months Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Shovelton 1971 (Analysis 1.1): 275 teeth followed for 2 years (235 at 6 months, 160 at 12 months, 85 analysed at 24 months). Success rates 50% to 80%. Ledermix and calcium hydroxide had the highest success rates,… | 1 study · 275 participants | Ungraded |
Post and core restoration with a ferrule vs Post and core restoration without a ferrule Outcome NR · Participants with permanent endodontically-treated (root-filled) teeth for which a post is indicated to retain the… · Minimum 6 months (planned) Root canal posts for the restoration of root filled teeth (2007) · Cochrane | No included trial evaluated the presence of a ferrule (a planned secondary comparison); no eligible study identified. | 0 studies | No studies |
Non-metal carbon-fibre post and core (Category III; Composipost) vs Metal custom-cast post and core (Category I; gold alloy) Clinical/technical failure (root fracture) · Participants with permanent endodontically-treated (root-filled) teeth for which a post is indicated to retain the… · 48 months (4 years) Root canal posts for the restoration of root filled teeth (2007) · Cochrane | RR 0.05 [0.00, 0.90] | 1 study · 195 participants | Ungraded |
Potassium nitrate/polycarboxylate cement (KNO3/PCa) vs Polycarboxylate cement (PCa) alone Clinical success (absence of periapical pathology, tenderness to pressure and fistula formation) at 24 months · Adults with asymptomatic vital pulpal exposures from caries · 24 months Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Hodosh 2003 (Analysis 3.1): 9/17 in the KNO3/PCa group and 10/12 in the PCa group developed clinical symptoms requiring endodontic therapy or extraction. No significance test reported for this specific contrast; no… | 1 study · 29 participants | Ungraded |
Life (calcium hydroxide pulp-capping material) vs Dycal (calcium hydroxide pulp-capping material) Clinical symptoms at 12 months · Adults (aged 20 to 60 years, mean 27) with deep carious lesions in permanent teeth (indirect or direct pulp capping,… · 12 months, Indirect pulp capping Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Analysis 2.1 (clinical symptoms at 12 months following indirect pulp capping, Life vs Dycal). Fitzgerald 1991: 151 teeth in 55 patients (analysis at tooth level, not patient level); substantial attrition (11 teeth lost… | 1 study · 151 participants | Ungraded |
Direct composite restoration (final restoration) vs Full-coverage metal-ceramic crown Clinical failure (post dislodgement) · Participants with endodontically-treated permanent premolars restored with a carbon-fibre post (Category III) · 36 months (3 years); dislodgement assessed at 24 months Root canal posts for the restoration of root filled teeth (2007) · Cochrane | RR 1.85 [0.17, 19.8] | 1 study · 104 participants | Ungraded |
Ledermix (corticosteroid/antibiotic pulp-capping cement) vs Zinc oxide eugenol Clinical success (survival free of symptoms) at 24 months · Adults with asymptomatic teeth with vital carious pulp exposures · 24 months Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Shovelton 1971 (Analysis 1.1): 275 teeth followed for 2 years (235 at 6 months, 160 at 12 months, 85 analysed at 24 months). Success rates 50% to 80%. Ledermix and calcium hydroxide had the highest success rates,… | 1 study · 275 participants | Ungraded |
Life (calcium hydroxide pulp-capping material) vs Dycal (calcium hydroxide pulp-capping material) Clinical symptoms at 12 months · Adults (aged 20 to 60 years, mean 27) with deep carious lesions in permanent teeth (indirect or direct pulp capping,… · 12 months, Direct pulp capping Pulp management for caries in adults: maintaining pulp vitality (2007) · Cochrane | Analysis 2.3 (clinical symptoms at 12 months following direct pulp capping, Life vs Dycal). Fitzgerald 1991: 151 teeth in 55 patients (analysis at tooth level, not patient level); substantial attrition (11 teeth lost… | 1 study · 151 participants | Ungraded |