Table 1 Search criteria and terminology used for various databases

1

MEDLINE(Via PubMed)

((“ULTRASONIC WAVES“[Title/Abstract] OR therapeutic ultrasound“[Title/Abstract] OR " ULTRASONIC WAVES “[MeSH Terms] OR “ULTRASONIC WAVES “[MeSH Terms]) AND “root resorption“[Title/Abstract] OR “hard-tissue healing“[Title/Abstract] OR “orthodontic treatment“[Title/Abstract] OR “resorption“[MeSH Terms] OR “root resorption“[MeSH Terms] OR “hard-tissue healing“[MeSH Terms] OR “orthodontic treatment“[MeSH Terms])) OR ((“root resorption“[All Fields] OR “root resorption“[MeSH Terms]) ((“orthodontics“[MeSH Terms] OR “tooth movement“[All Fields]) OR (“orthodontics“[MeSH Terms] OR “orthodontics“[All Fields])))

2

EMBASE

1. “root resorption”.mp. and exp tooth disease/

2. exp orthodontics/

3. #1 and #2

4. “tooth movement”.mp.

5. #2 or #4

6. #1 and #5

7. ‘hard-tissue healing’:ti,ab,kw OR ‘orthodontic treatment’:ti,ab,kw))

3

PsycINFO

((“ Ultrasound“[Mesh] OR “ultrasound therapy” OR “therapeutic ultrasound”) AND (“Root Resorption“[Mesh] OR “orthodontics”OR “root resorption” OR “Tooth Movement”) AND (“Systematic Review“[Publication Type] OR “systematic review”))

5

Scopus

TITLE-ABS-KEY(“ultrasound therapy” AND “orthodontics” AND “therapeutic ultrasound” AND “root resorption” AND “Tooth Movement” AND “systematic review”)

6

CINAHL

MH (“therapeutic ultrasound”)AND MH (“orthodontics”) AND MH (“root resorption”) AND MH (“systematic review”)

AND MH (“Tooth Movement”)

7

SciELO

(“ ultrasound " AND “orthodontics” AND “ root resorption” AND “systematic review” AND “therapeutic ultrasound” AND “Tooth Movement”)

8

Cochrane

1. MeSH descriptor: [Root Resorption] this term only

2. MeSH descriptor: [Orthodontics] 1 tree(s) exploded

3. “root resorption”

4. orthodontics

5. “tooth movement”

6. #1 or #3

7. #2 or #4 or #5

8. #6 and #7

9

LILACS

(tw:(root resorption OR Resorción Radicular OR Reabsorção da Raiz OR Reabsorción de Raíces Dentales OR Reabsorción Radicular OR Resorción de la Raíz Dental OR Resorción de Raíz Dental)) AND (tw:(orthodontics OR ortodoncia OR orthodontia)) OR (tw:(tooth movement OR Movimiento dentario OR Movimiento de los Dientes OR Movimiento de un Diente OR Movimiento Ortodóncico OR Pequeños Desplazamientos de los Dientes OR Movimiento Dentario Menor OR Levantamiento Dentario OR Movimentação Dentária OR Verticalização Dentária OR Movimento dos Dentes OR Movimento de um Dente OR Movimentação de Dentes OR Movimentação Ortodôntica OR Movimento Ortodôntico)) AND NOT (tw:(endodontics)) AND NOT (tw:(calcium hydroxide)) AND NOT (tw:(replantation)) AND NOT (tw:(autotransplantation))