White spot lesions assessed by laser fluorescence (DIAGNOdent) · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
Opal Seal had fewer DIAGNOdent-measured lesions, with certainty not graded.
1 finding from 1 review
Opal Seal group showed fewer WSLs compared to the Transbond group, with initial demineralization rates of 1.3% and 3.9%, and caries lesion rates of 0.2% and 1.3%, respectively (p <0.03).
1 study · 56 participants
GRADE not reported
Photographic white spot lesion score · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
Opal Seal showed no difference in photographic WSL severity, with certainty not graded.
1 finding from 1 review
Enamel demineralization (DIAGNOdent score) · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
nCaF2 primer favored lower demineralization scores, but certainty was not graded.
1 finding from 1 review
Statistically significant scores in favor of the nCaF2 primer at T1, T3, and T6 (p-value = 0.000).
1 study · 31 participants
GRADE not reported
Bracket (bond) failure · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
Opal Seal showed no difference in bracket failure, with certainty not graded.
1 finding from 1 review
No significant differences were observed in bracket failure rates among different primers, dental arches, bracket types, or sexes.
1 study · 56 participants
GRADE not reported
White spot lesion incidence · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
The self-etch primer system had higher WSL incidence than the conventional system, with certainty not graded.
1 finding from 1 review
White spot lesions assessed by laser fluorescence (DIAGNOdent) · Patients undergoing fixed orthodontic (fixed appliance) treatment (adolescents and adults, ages 12 to 35)
A single small split-mouth RCT found the nCaF2-containing primer reduced demineralization (DIAGNOdent) but showed no significant clinical white spot lesion difference at debonding (ungraded).
1 finding from 1 review
Photographic white spot lesion score · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
nCaF2 primer showed no clinical photographic WSL difference at debonding, with certainty not graded.
1 finding from 1 review
Intervention not reported
Pathogenic bacteria / plaque composition around brackets (fewer pathogenic bacteria with flash-free vs APC; comparable plaque quantity)
1 finding from 1 review
no estimate extracted
1 study
GRADE not reported
Treatment success (caries lesion arrest or restoration survival) · Patients with deep carious lesions in permanent (mainly posterior) teeth
Minimally invasive caries removal showed a marginally higher mean restoration success rate than conventional removal (83.6% vs 75.4%), but the difference was not statistically significant (Mann-Whitney U, p > 0.05); certainty of evidence was not graded.
1 finding from 1 review
Mean success-rate percentage (unweighted study-level mean, 7 studies) MIT 83.6% vs CT 75.4% (Mann-Whitney U = 0.2, p > 0.05; not statistically significant)
7 studies · 1305 participants
GRADE not reported
Streptococcus mutans count · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
nCaF2 primer differed in S. mutans count only at T1, with certainty not graded.
1 finding from 1 review
Intervention not reported
Fluoride ion release
1 finding from 1 review
no estimate extracted
1 study
GRADE not reported
Bracket (bond) failure · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
Clearfil Protect Bond showed no difference in bracket failure, with certainty not graded.
1 finding from 1 review
No statistically significant difference in bond failure rates was observed between quadrants bonded with Clearfil (CF) and those bonded with the conventional primer (p = 0.316).
1 study · 35 participants
GRADE not reported
Enamel demineralization (DIAGNOdent score) · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)
TiO2-modified composite favored lower DIAGNOdent scores, with certainty not graded.
1 finding from 1 review
Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Chlorhexidine mouthwash reduced Mutans streptococci versus placebo, but certainty is very low.
1 finding from 1 review
Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Chlorhexidine mouthwash reduced Mutans streptococci versus blank control, but certainty is very low.
1 finding from 1 review
Plaque · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Herbal mouthwash reduced some plaque-related indices versus placebo, with low-certainty evidence.
1 finding from 1 review
Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Short-term fluoride mouthwash reduced Mutans streptococci, but certainty is very low.
2 findings from 1 review
Probing pocket depth (PPD/PD) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)
Chlorhexidine mouthwash may reduce pocket probing depth versus placebo in the short term (low certainty).
1 finding from 1 review
Plaque · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)
Chlorhexidine mouthwash may reduce the Plaque Index versus blank control in the short term (WMD -0.70, 95% CI -1.12 to -0.27), but the evidence is very uncertain (very low certainty).
1 finding from 1 review
Plaque · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)
CPC mouthwash may reduce plaque-related indexes versus blank control in the short term, but the evidence is very uncertain (very low certainty).
1 finding from 1 review