Gap finder
Search review questions
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.
10,375 questions in 429 reviews · Oral Health
current versionsNo studies 1,344 · 13%Ungraded 6,832 · 65.9%Very low 1,228 · 11.8%Low 613 · 5.9%Moderate 290 · 2.8%High 68 · 0.7%
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 |
|---|---|---|---|
Prophylactic aciclovir (oral or intravenous) vs Placebo Adverse effects · Patients being treated for cancer (predominantly haematological malignancies) Interventions for the prevention and treatment of herpes simplex virus in patients being treated for cancer (2009) · Cochrane | Adverse effects were reported in nine trials. Diagnosis was by evaluation of clinical signs and symptoms (e.g. rash, neurological impairment) and by laboratory tests including renal and hepatic function. None of the… | 9 studies | Ungraded |
Two-phase oil-water mouthrinse (0.05% cetylpyridinium chloride) vs Essential oils mouthrinse (Listerine) Organoleptic assessment of halitosis · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 6 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Kozlovsky 1996 (6-week parallel comparison): mean organoleptic score (scale 0 to 5). Two-phase oil-water (0.05% cetylpyridinium chloride): 2.14 (SD 0.88) at baseline to 0.42 (SD 0.55) at week 6 (about 80% reduction);… | 1 study · 50 participants | Ungraded |
Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment) Patient acceptability of treatment and its side effects · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Cetylpyridinium chloride + essential oils + chlorine dioxide + zinc mouthrinse (Breath Rx) vs Placebo Adverse events · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Borden 2002: 13 adverse events were reported in the trial, but the investigators concluded that none were likely to be related to product usage. | 1 study | Ungraded |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Quality of life (self or carer evaluated, validated questionnaires) · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… Interventions for the management of submucous cleft palate (2008) · Cochrane | No data were available for this patient-reported outcome in the single included trial. | 0 studies | No studies |
Systemic oral acyclovir vs Placebo or no treatment Number of individuals with oral lesions (8 days after administration); time to healing of oral lesions · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) · 8 days after administration Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | RR 0.10 [0.02, 0.38] | 1 study · 72 participants | Ungraded |
Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment) Adverse effects (e.g. thermal sensitivity, over-eruption, TMJ symptoms, poor aesthetics, reduced oral hygiene) · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Ultrasonic instrumentation used alone (any ultrasonic device designed specifically for root canal treatment and capable of the active or passive removal of dentine within the root canal) vs Hand instrumentation used alone (files and reamers used manually) Outcome NR · People over 18 years of age with single or multiple permanent teeth with a completely formed apex and no evidence of… Hand and ultrasonic instrumentation for orthograde root canal treatment of permanent teeth (2008) · Cochrane | No eligible randomised controlled trials were identified. | NR | No studies |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Instrumental assessment: nasalance score (nasometry and pressure-flow measure) · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… Interventions for the management of submucous cleft palate (2008) · Cochrane | Nasalance score by nasometry and pressure-flow measure: the single included trial (Ysunza 2001) provided no data for this outcome. | 0 studies | No studies |
Systemic oral acyclovir vs Placebo or no treatment Number of individuals who developed new extraoral lesions after administration; duration of extraoral lesions · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) · After administration Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | RR 0.04 [0.00, 0.65] | 1 study · 72 participants | Ungraded |
Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment) Probing (pocket) depth change (difference in mean reduction, mm) · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · 2 years Occlusal interventions for periodontitis in adults (2008) · Cochrane | MD 0.04 [-0.19, 0.27] | 1 study · 50 participants | Ungraded |
Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment) Patient acceptability of treatment and its side effects · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Cetylpyridinium chloride + essential oils + chlorine dioxide + zinc mouthrinse (Breath Rx) vs Placebo Halimeter-assessed volatile sulphur compounds (VSC) (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Borden 2002: mean change in halimeter-assessed VSC (ppb). Breath Rx: -66.84 at 2 weeks (67.65% reduction), -77.87 at 4 weeks (78.82% reduction); Placebo: -39.86 at 2 weeks, -36.77 at 4 weeks (41.75%). No between-group… | 1 study | Ungraded |
Chlorine dioxide + zinc mouthrinse (Oxygene) vs Placebo Halimeter-assessed volatile sulphur compounds (VSC) (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Borden 2002: mean change in halimeter-assessed VSC (ppb). Oxygene: -47.63 at 2 weeks (64.97% reduction), -53.28 at 4 weeks (72.67% reduction); Placebo: -39.86 at 2 weeks, -36.77 at 4 weeks (41.75%). No between-group… | 1 study | Ungraded |
Two-phase oil-water mouthrinse (0.05% cetylpyridinium chloride) vs Essential oils mouthrinse (Listerine) Peak volatile sulphur compounds (VSC) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 6 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Kozlovsky 1996: peak VSC (ppb). Two-phase oil-water (0.05% cetylpyridinium chloride): 94 (SD 36) at baseline to 56 (SD 10) at week 6 (less than 40% reduction); Control essential oils (Listerine): 79 (SD 40) to 56 (SD… | 1 study · 50 participants | Ungraded |
Systemic oral acyclovir vs Placebo or no treatment Direct costs (medication, hospital bed days) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | No data available in either included study. | NR | No studies |
Pericarp extract of Garcinia mangostana L mouthrinse (herbal) vs Placebo Halimeter-assessed volatile sulphur compounds (VSC) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 15 days Mouthrinses for the treatment of halitosis (2008) · Cochrane | Rassameemasmaung 2007: halimeter-assessed VSC (ppb). Herbal (Garcinia mangostana L): 248.35 (SD 172.30) at baseline to 100.54 (SD 69.37) at day 15 (59.68% reduction, P < 0.05); Placebo: 237.45 (SD 114.15) to 176.83 (SD… | 1 study · 60 participants | Ungraded |
0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate mouthrinse vs Placebo Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 2 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Winkel 2003 (2-week trial): mean change (SD) in organoleptic score (scale 0 to 5). 0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate: -1.13 (1.1), baseline 2.8 (0.5) to 1.5 (1.0) at day 14, P <… | 1 study · 40 participants | Ungraded |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Self-esteem (validated questionnaires) · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… Interventions for the management of submucous cleft palate (2008) · Cochrane | No data were available for this patient-reported outcome in the single included trial. | 0 studies | No studies |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Instrumental assessment: velopharyngeal complete closure and gap size (videonasopharyngoscopy and multiview videofluoroscopy) · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… · 3 months post-operatively Interventions for the management of submucous cleft palate (2008) · Cochrane | Complete closure occurred in 32 (86%) of the participants in group 1 (MIPP) and in 31 (89%) in group 2, P > 0.05. After eliminating the nine patients with residual velopharyngeal insufficiency, the post-operative gap… | 1 study · 72 participants | Ungraded |
0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate mouthrinse vs Placebo Peak volatile sulphur compounds (VSC) (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 2 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Winkel 2003: mean change (SD) in peak VSC (ppb). Mouthrinse: -120 (92), baseline 292 (141) to 172 (104) at day 14, P < 0.005; Placebo: 8 (145), baseline 352 (161) to 360 (254). The mouthrinse caused a significantly… | 1 study · 40 participants | Ungraded |
Cetylpyridinium chloride + essential oils + chlorine dioxide + zinc mouthrinse (Breath Rx) vs Placebo Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Borden 2002: mean change in organoleptic score (scale 0 to 5). Breath Rx (cetylpyridinium chloride + essential oils + chlorine dioxide + zinc): -0.52 at 2 weeks, -0.41 at 4 weeks; Placebo: 0.23 at 2 weeks, 0.16 at 4… | 1 study | Ungraded |
Chlorine dioxide + zinc mouthrinse (Oxygene) vs Placebo Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Borden 2002: mean change in organoleptic score (scale 0 to 5). Oxygene (chlorine dioxide + zinc): 0 at 2 weeks, 0.06 at 4 weeks; Placebo: 0.23 at 2 weeks, 0.16 at 4 weeks. Oxygene did not appear to reduce organoleptic… | 1 study | Ungraded |
Systemic oral acyclovir vs Placebo or no treatment Number of individuals with eating difficulties (8 days after administration); duration of eating difficulties · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) · 8 days after administration Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | RR 0.14 [0.03, 0.58] | 1 study · 72 participants | Ungraded |
0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate mouthrinse vs Placebo Adverse events (tongue and tooth staining) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 2 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Winkel 2003: significantly more tongue staining (P < 0.001) and tooth staining (P < 0.002) were noted with the chlorhexidine + cetylpyridinium chloride + zinc lactate mouthrinse than with placebo. | 1 study · 40 participants | Ungraded |
Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment) Tooth loss · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Zinc chloride + sodium chlorite mouthrinse (TriOral) vs Control mouthrinse (containing neither zinc chloride nor sodium chlorite) Halimeter-assessed volatile sulphur compounds (VSC) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Codipilly 2004: precise data could not be extracted (results presented as graph plots). Reported VSC reductions from baseline for zinc chloride + sodium chlorite (TriOral): 55% (P < 0.01) at 2 weeks and 60% (P < 0.01)… | 1 study | Ungraded |
Hand instrumentation in conjunction with (as an adjunct to) an ultrasonic device designed specifically for root canal treatment and capable of the active or passive removal of dentine within the root canal vs Hand instrumentation used alone (files and reamers used manually) Outcome NR · People over 18 years of age with single or multiple permanent teeth with a completely formed apex and no evidence of… Hand and ultrasonic instrumentation for orthograde root canal treatment of permanent teeth (2008) · Cochrane | No eligible randomised controlled trials were identified. | NR | No studies |
Essential oils mouthrinse (Listerine) vs Placebo Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Borden 2002: mean change in organoleptic score (scale 0 to 5). Essential oils (Listerine): 0.02 at 2 weeks, 0 at 4 weeks; Placebo: 0.23 at 2 weeks, 0.16 at 4 weeks. Listerine did not reduce organoleptic scores. No… | 1 study | Ungraded |
Systemic oral acyclovir vs Placebo or no treatment Number of individuals with drinking difficulties (8 days after administration); duration of drinking difficulties · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) · 8 days after administration Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | RR 0.11 [0.01, 0.83] | 1 study · 72 participants | Ungraded |
Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment) Tooth loss · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment) Clinical attachment level change (mean gain, mm) · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · 2 years Occlusal interventions for periodontitis in adults (2008) · Cochrane | MD 0.40 [0.05, 0.75] | 1 study · 50 participants | Ungraded |
Systemic oral acyclovir vs Placebo or no treatment Number of individuals admitted to hospital after administration · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) · After administration Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | RR 0.14 [0.01, 2.67] | 1 study · 72 participants | Ungraded |
Essential oils mouthrinse (Listerine) vs Placebo Halimeter-assessed volatile sulphur compounds (VSC) (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Borden 2002: mean change in halimeter-assessed VSC (ppb). Essential oils (Listerine): -43.22 at 2 weeks (48.54% reduction), -68.90 at 4 weeks (77.39% reduction); Placebo: -39.86 at 2 weeks (45.25%), -36.77 at 4 weeks… | 1 study | Ungraded |
Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment) Adverse effects (e.g. thermal sensitivity, over-eruption, TMJ symptoms, poor aesthetics, reduced oral hygiene) · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Zinc chloride + sodium chlorite mouthrinse (TriOral) vs Control mouthrinse (containing neither zinc chloride nor sodium chlorite) Organoleptic assessment (indirect surrogate salivary organoleptic score) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Codipilly 2004: only indirect surrogate salivary organoleptic scores were reported (not organoleptic breath scores); no accurate deductions could be made from the reported values. | 1 study | Ungraded |
Systemic oral acyclovir vs Placebo or no treatment Fever (duration; time to return to normal temperature) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | Amir 1997b: fever disappeared significantly earlier with acyclovir (median 1 day) than placebo (median 3 days); difference in median (95% CI): From 72: 1 (0.0 to 2.0); From 61: 2 (0.8 to 3.2); reported as median, not… | 2 studies | Ungraded |
One type of occlusal intervention as an adjunct to periodontal therapy vs A different type of occlusal intervention as an adjunct to periodontal therapy (head-to-head) Outcome NR · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Zinc chloride without sodium chlorite mouthrinse (Breath Rx containing cetylpyridinium chloride) vs Control mouthrinse (containing neither zinc chloride nor sodium chlorite) Halimeter-assessed volatile sulphur compounds (VSC) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g.… · 4 weeks Mouthrinses for the treatment of halitosis (2008) · Cochrane | Codipilly 2004: reported VSC reduction from baseline for zinc chloride minus sodium chlorite (Breath Rx containing cetylpyridinium chloride): 38% (P < 0.05) at 2 weeks, versus a control containing neither zinc chloride… | 1 study | Ungraded |
Systemic oral acyclovir vs Placebo or no treatment Patient or parental satisfaction (tolerance and acceptability of drug) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | Amir 1997b: no data available. Ducoulombier 1988: tolerance and acceptability of the drug was described as satisfactory, but it was unclear how this was assessed by the trialists. | 1 study | Ungraded |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Adverse effect: failure of muscle fusion in the region of the cleft after surgery · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… Interventions for the management of submucous cleft palate (2008) · Cochrane | There were no reports of failure of muscle fusion after surgery. | 1 study · 72 participants | Ungraded |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Adverse effect: unacceptable nasal resonance after repair · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… Interventions for the management of submucous cleft palate (2008) · Cochrane | The trial report provided no information on this adverse event; no information on adverse events or serious complications was reported. | 0 studies | No studies |
Systemic oral acyclovir vs Placebo or no treatment Adverse effects · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | Amir 1997b: two children in each group (2 vs 2) had mild gastrointestinal symptoms that resolved spontaneously after 24 to 48 hours without a change in study treatment. Ducoulombier 1988: no significant adverse effects… | 2 studies | Ungraded |
Occlusal intervention as an adjunct to periodontal therapy vs Sham (placebo) occlusal intervention as an adjunct to periodontal therapy Outcome NR · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · Minimum 3 months (planned) Occlusal interventions for periodontitis in adults (2008) · Cochrane | no estimate extracted | 0 studies | No studies |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Adverse effect: obstructive sleep apnoea or airway compromise · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… Interventions for the management of submucous cleft palate (2008) · Cochrane | The investigators stated that none of the participants reported obstructive sleep apnoea after the interventions. | 1 study · 72 participants | Ungraded |
Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty) Perceptual speech assessment: residual post-operative velopharyngeal insufficiency · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic… · 3 months post-operatively Interventions for the management of submucous cleft palate (2008) · Cochrane | Five (14%) of the participants in group 1 (MIPP) and four (11%) in group 2 had residual post-operative velopharyngeal insufficiency, P > 0.05. The report provided no details on post-operative speech assessment other… | 1 study · 72 participants | Ungraded |
Systemic oral acyclovir vs Placebo or no treatment Quality of life (assessed by a validated questionnaire) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | No data were available in either included study (Amir 1997b; Ducoulombier 1988). | NR | No studies |
Systemic oral acyclovir vs Placebo or no treatment Pain/discomfort (time to resolution of pain) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis) Acyclovir for treating primary herpetic gingivostomatitis (2008) · Cochrane | Amir 1997b: no data available. Ducoulombier 1988: time to resolution of pain, acyclovir (1 day=1, 2 days=1, 3 days=3, 4 days=3, 5 days=1, persistent=0) vs placebo (1 day=0, 2 days=0, 3 days=1, 4 days=2, 5 days=4,… | 1 study · 18 participants | Ungraded |
Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment) Probing (pocket) depth change (difference in mean reduction, mm) · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · 2 years Occlusal interventions for periodontitis in adults (2008) · Cochrane | MD 0.01 [-0.20, 0.22] | 1 study · 50 participants | Ungraded |
Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment) Clinical attachment level change (mean gain, mm) · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis · 2 years Occlusal interventions for periodontitis in adults (2008) · Cochrane | MD 0.38 [0.04, 0.72] | 1 study · 50 participants | Ungraded |