Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

9 questions · 9 findings · 4 reviews · Dental caries

No studies found 0 · 0%GRADE not reported 9 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Unilateral cleft lip and palate (UCLP) vs Bilateral cleft lip and palate (BCLP)

Plaque · Patients with cleft lip and palate (CLP)

Plaque index does not differ significantly between unilateral and bilateral cleft lip and palate (MD -0.13, 95% CI -0.38 to 0.12; ungraded).

1 finding from 1 review

Unilateral extraction of the mandibular first permanent molar vs Bilateral extraction of the mandibular first permanent molars

Midline deviation of the mandibular arch · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)

One study found midline deviation more likely after unilateral than bilateral extraction (OR 11.6; single study; not GRADE-rated).

1 finding from 1 review

Bilateral extraction of compromised mandibular first permanent molars vs Age- and gender-matched non-extraction controls

Lower incisor inclination (lingual tipping and retrusion) · Children (approximately 11 years or older) with compromised mandibular first permanent molars

Bilateral lower first permanent molar extraction was associated with lingual tipping and retrusion of the lower incisors in one case-control study; ungraded.

1 finding from 1 review

Bilateral extraction of compromised mandibular first permanent molars vs Age- and gender-matched non-extraction controls

Skeletal development (occlusal plane rotation, facial height) · Children (approximately 11 years or older) with compromised mandibular first permanent molars

Bilateral lower first permanent molar extraction was associated with counter-clockwise rotation of the occlusal plane and a mild decrease in lower anterior face height in one case-control study; ungraded.

1 finding from 1 review

TiO2-modified composite (1 wt.%) vs Control composite in contralateral quadrant

Streptococcus mutans count · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)

TiO2-modified composite showed no S. mutans difference, with certainty not graded.

1 finding from 1 review

TiO2-modified composite (1 wt.%) vs Control composite in contralateral quadrant

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

Early extraction of a compromised first permanent molar vs Contralateral non-extraction side (same patient)

Development and eruption of the second permanent molar · Children aged 5 to 15 years with a compromised first permanent molar

Root closure and eruption of the second permanent molar appeared accelerated on the extraction side in a single case-control study; ungraded and not statistically tested.

1 finding from 1 review

Early extraction of a compromised mandibular first permanent molar vs Contralateral non-extraction side (same patient)

Development and eruption of the third molar · Children aged 5 to 15 years with a compromised first permanent molar

Development and eruption of the third molar appeared accelerated after early first permanent molar extraction in two studies (e.g., eruption OR 2.86, 95% CI 1.37 to 5.96); ungraded.

1 finding from 1 review

Early extraction of a compromised first permanent molar vs Non-extraction (retained first permanent molar) or contralateral non-extraction side

Spontaneous space closure · Children aged 5 to 15 years with a compromised first permanent molar

Early extraction of a compromised first permanent molar is followed by variable spontaneous closure of the post-extraction space (about 45.5% to 85.2% of cases); certainty was not GRADE-rated (Shekelle category III).

1 finding from 1 review