Page 7 - REMOVABLE ORTHODONTIC APPLIANCES

Contents

List of contents for CD ROM vii 4 Appliance retention 30
Posterior retention 30
Anterior retention 32
Acknowledgements viii
Planning retention 34
References 34
Preface ix
5 The baseplate 35
Design and construction 35
1 Introduction 1
Action of removable appliances 2 Anchorage considerations 35
Summary 7 Adjustments to the acrylic 37
References 7 Further reading 38
Further reading 7
6 Anchorage 39
2 Biomechanics of tooth movement 8 Intraoral anchorage 40
Tooth movements 8 Anchorage consideration in appliance
Tissue changes during tooth design 41
movement 11 Extraoral anchorage 43
Areas of compression 11 Patient instruction 46
Retention 13 Further reading 46
References 14
Further reading 14 7 Class I malocclusions 47
Space maintenance 47
3 Active components 15 Active tooth movement in Class I cases 48
Stainless steel 15 Upper removable appliances 49
Annealing 16 Rotations 56
Elgiloy 16 Lower removable appliances 57
Mechanics of springs 16 Design of springs 58
Palatal springs 19 References 62
Buccal springs 22
Bows 24 8 Class II malocclusions 63
Screws 27 Definition 63
Elastics 28 Case selection 63
References 29 Dental factors 64
Further reading 29 Aims of treatment 65