Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

397 questions · 406 findings · 36 reviews · All outcomes

No studies found 134 · 33%GRADE not reported 184 · 45.3%Very low 59 · 14.5%Low 19 · 4.7%Moderate 10 · 2.5%High 0 · 0%

ARP with xenograft (bone graft) vs Extraction alone

Changes in vertical height of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with xenograft (bone graft) changes changes in vertical height of alveolar ridge (mm) compared with extraction alone (very low certainty).

1 finding from 1 review

ARP with xenograft (bone graft) vs Extraction alone

Complications (e.g. discomfort, pain and swelling) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…
1 finding from 1 review

ARP with xenograft (bone graft) vs Extraction alone

Implant failure rate · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with xenograft (bone graft) changes implant failure rate compared with extraction alone (very low certainty).

1 finding from 1 review

ARP with alloplast vs Extraction alone

Changes in bucco-lingual/palatal width of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

The review found no eligible studies for this question.

1 finding from 1 review

ARP with alloplast vs Extraction alone

Need for additional augmentation prior to implant placement · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

The review found no eligible studies for this question.

1 finding from 1 review

ARP with alloplast vs Extraction alone

Changes in vertical height of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with alloplast changes changes in vertical height of alveolar ridge (mm) compared with extraction alone (very low certainty).

1 finding from 1 review

ARP with alloplast vs Extraction alone

Complications (e.g. discomfort, pain and swelling) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…
1 finding from 1 review

ARP with xenograft (bone graft) vs Extraction alone

Need for additional augmentation prior to implant placement · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with xenograft (bone graft) changes need for additional augmentation prior to implant placement compared with extraction alone (very low certainty).

1 finding from 1 review

Age 8-10 years vs Age >10 years

Spontaneous space closure · Children and adolescents with maxillary permanent first molar extraction

In the maxilla, age 8-10 years was not associated with a statistically significant difference in space closure odds.

1 finding from 1 review

Mandibular third molar present vs Mandibular third molar absent

Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)

In the mandible, presence of the third molar increases odds of spontaneous space closure (OR 2.28; low certainty).

1 finding from 1 review

Higher mean patient age (per 1 year) vs Lower mean patient age (per 1-year decrement)

Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)

In the mandible, mean patient age was not significantly associated with space closure odds (OR 0.59 per year; not GRADE-rated).

1 finding from 1 review

Male sex vs Female sex

Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)

In the mandible, sex was not significantly associated with space closure (OR 1.38; not GRADE-rated).

1 finding from 1 review

M2 Demirjian stages F-G vs M2 Demirjian stages E-D

Spontaneous space closure · Children and adolescents with maxillary permanent first molar extraction

In the maxilla, M2 Demirjian stages F-G were not associated with a statistically significant difference in space closure odds.

1 finding from 1 review

Dental crowding present vs Dental spacing present

Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)

One study found space closure more likely with crowding than spacing (OR 5.9; single study; not GRADE-rated).

1 finding from 1 review

Second molar at Demirjian stage A-D at extraction vs Second molar at Demirjian stage F-H at extraction

Spontaneous space closure · Children and adolescents with maxillary permanent first molar extraction

In the maxilla, M2 Demirjian stages A-D were not associated with a statistically significant difference in space closure odds.

1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)

Number of minor postoperative bleeding episodes · People with haemophilia (A or B) undergoing minor oral surgery or dental extractions

The review found no eligible studies for this question.

1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)

Outcome not reported · People with Von Willebrand disease undergoing minor oral surgery or dental extractions

The review found no eligible studies for this question.

1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)

Major bleeding, requiring transfusion of packed red blood cells · People with haemophilia (A or B) undergoing minor oral surgery or dental extractions
1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)

Change in haemoglobin level from baseline · People with haemophilia (A or B) undergoing minor oral surgery or dental extractions
1 finding from 1 review