Interceptive Orthodontics (eBook)

Mr. Joseph H. Noar is a Consultant/Honorary Senior Lecturer in the Orthodontic Unit at the Eastman Dental Hospital, London, UK. He qualified in Dentistry at the University of Manchester in 1981, completed his postgraduate specialist orthodontic training at the Eastman Dental Institute in 1988, and was appointed to his current post in 1993. Mr Noar is first and foremost a clinician but has always been involved in orthodontic research and the development of the specialty in the UK. He lectures nationally and internationally, has published widely and teaches on the postgraduate orthodontic training program at the Eastman Dental Institute. He has served the British Orthodontic Society in various capacities for many years.

Preface vii

1 Introduction 1

What do we know about growth? 1

Growth and development of the jaws 2

2 Recognising the problem 9

Is an attractive smile important? 9

3 Investigations 15

Radiographs 15

Cone-beam computed tomography 17

Study models 23

Photographs 24

What is the scope of orthodontic change? 24

4 Managing the developing occlusion 29

Thumb/finger sucking 29

Crowding of the permanent lateral incisors 32

Serial extraction: a modern approach 39

The unerupted central incisor 42

Submerging deciduous second molars 45

Fusion, gemination, and morphology issues 47

Upper labial fraenum 48

Leeway space and the use of intraoral anchorage arches 50

Sagittal problems: Class II 51

Sagittal problems: Class III 59

Ectopic and impacted teeth 62

Missing teeth 65

Index 75