1 Median diastema and ectopic eruption of an upper first permanent molar

2 Unerupted upper central incisor

3 Absent upper lateral incisors

4 Crowding and buccal upper canines

5 Severe crowding

6 Palatal canines

7 More canine problems

8 Infraoccluded primary molars

9 Increased overjet

10 Incisor crossbite

11 Reverse overjet

12 Increased overbite

13 Anterior open bite

14 Posterior crossbite

15 Bilateral crossbite

16 Late lower incisor crowding

17 Prominent chin and TMJDS

18 Drifting incisors

19 Appliance-related problems

20 Tooth movement and related problems

21 Cleft lip and palate

22 Nursing and early childhood caries

23 High caries risk adolescents

24 Pain control and treatment planning for carious primary teeth

25 Facial swelling and dental abscess

26 The uncooperative child and adolescent

27 Children with disabilities and learning difficulties

28 Common medical problems in children

29 The displaced primary incisor

30 The fractured immature permanent incisor crown

31 The root fractured permanent incisor

32 The avulsed incisor

33 Disorders of eruption and exfoliation

34 Poor quality first permanent molars

35 Tooth discoloration, hypomineralization and hypoplasia

36 Mottled teeth

37 Multiple missing and abnormally shaped teeth

38 Amelogenesis imperfecta

39 Dentinogenesis imperfecta

40 Dental erosion

41 Gingival bleeding and enlargement

42 Oral ulceration

43 Mind Maps®

APPENDICES

A1 The index of orthodontic treatment need: dental health component

A2 Classification and definitions

A3 Orthodontic problems: referral guide

A4 Implications of some medical problems for orthodontics

A5 Lateral cephalometric analysis

A6 A structured dental trauma history form