Appendix 1. MEDLINE (OVID) search strategy

#1. CHILD‐PRESCHOOL/
#2. young adj child$
#3. toddler$ OR infant$ OR baby OR babies
#4. exp TOOTH‐DECIDUOUS/
#5. DENTITION‐PRIMARY/
#6. (baby OR milk OR primary OR deciduous) AND (teeth OR tooth OR dentition)
#7. preschool adj child$
#8. OR/1‐7
#9. exp DENTAL‐CARIES/
#10. dental adj6 caries
#11. teeth adj6 caries
#12. tooth adj6 caries
#13. dental adj6 caries
#14. early adj6 caries
#15. teeth adj6 carious
#16. tooth adj6 carious
#17. dental adj6 carious
#18. early adj6 carious
#19. teeth adj6 decay$
#20. tooth adj6 decay$
#21. dental adj6 decay$
#22. early adj6 decay$
#23. bottle adj6 caries
#24. nursing adj6 caries
#25. bottle adj6 decay$
#26. nursing adj6 decay$
#27. bottle adj feed$
#28. bottle adj fed
#29. bottle adj mouth
#30. caries OR carious OR decay$
#31. enamel adj6 deminerali$
#32. tooth adj6 deminerali$
#33. OR/9‐32
#34. exp DENTAL‐RESTORATION‐PERMANENT/
#35. exp DENTAL‐RESTORATION‐TEMPORARY/
#36. exp DENTAL‐AMALGAM/
#37. exp GLASS‐IONOMER‐CEMENTS/
#38. filling$ OR restor$
#40. DENTAL PULP CAPPING/
#41. pulp adj cap$
#42. pulp adj therapy
#43. atraumatic$ adj restor$
#44. atraumatic$ adj6 treated
#45. atraumatic$ adj6 treatment
#46. ART.ab
#47. ART.ti.
#48. amalgam
#49. glass adj ionomer$
#50. cermet$
#51. stainless adj steel adj crown$
#52. veneer$
#53. resin$ adj6 restor$
#54. composit$ adj6 restor$
#55. COMPOSITE RESINS/
#56. composite adj resin$
#57. compomer$
#58. OR/34‐57
#59. 8 AND 32 AND 58