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Concise Prosthodontics- E Book

Concise Prosthodontics- E Book

Vijay Prakash | Ruchi Gupta

(2017)

Additional Information

Book Details

Abstract

Concise Prosthodontics is a comprehensive exam preparatory manual written in question and answer format as per the syllabus prescribed by the Dental Council of India. Tailor-made answers to the frequently asked examination questions are provided. The book has more than 332 line illustrations , numerous flowcharts and tables to make the text self-explanatory. The book is primarily meant for undergraduate students but will also be helpful to postgraduate students for reference purpose.

  • Covers the entire syllabus prescribed by the Dental Council of India in the form of questions and answer
  • Provides simple, comprehensive and complete answers to questions
  • Has Key Facts at the end of each chapter for quick recapitulation of the learnt topics
  • Includes Question Bank at the end of the book to complete the preparation for exams
  • Line diagrams are used extensively to improve understanding and reproducibility
  • Primarily for UGs but will also be useful for students preparing for PG entrance exams

Table of Contents

Section Title Page Action Price
Front cover Cover
Front matter i
Concise prosthodontics iii
Copyright iv
Dedication v
Preface to the second edition vi
Preface to the first edition vii
Acknowledgements viii
Table of Content ix
I Complete Dentures 1
1 Introduction to edentulous state 2
Introduction 2
Parts of complete denture 3
Denture surfaces (fig. 1-1) 3
Impression surface 3
Polished surface 3
Occlusal surface 3
Component parts of complete denture (fig. 1-2) 3
Denture base 3
Purpose 3
Acrylic denture base 4
Advantages 4
Disadvantages 4
Metallic denture base 4
Advantages 5
Disadvantages 5
Denture flange 5
Denture border 5
Denture teeth 5
Residual ridge resorption 6
Pathology of RRR 6
Pathogenesis 6
Aetiology 6
Treatment and prevention 7
Importance of temporomandibular joint in complete dentures 7
Role of TMJ in biomechanical phase of the prosthetic rehabilitation 8
Importance of patient motivation and patient education 9
Patient motivation and education 9
Physiological rest position and its importance 10
Morphological changes associated with edentulous state 10
Soft tissue changes in denture patients 11
2 Diagnosis and treatment planning for edentulous patients 14
Introduction 14
Mental attitude of the patient 15
House classification 16
Extraoral examination 16
Facial examination 16
Facial form 16
Facial profile 17
Facial height 17
Facial complexion 17
Lip examination 18
TMJ examination 18
Neuromuscular examination 18
Speech 18
Neuromuscular coordination 19
Mandibular movements 19
Muscle tone 19
Intraoral examination 19
Oral mucosa 19
Maxillary basal seat 20
Mandibular basal seat 20
Residual alveolar ridge 20
Height of the residual ridge 20
Shape of the residual ridge 21
Arch form 21
Arch relationship 21
Interarch space 22
Ridge parallelism 23
Hard palate 23
Soft palate 23
Sensitivity of the palate 24
Tori 24
Fibrous cord-like ridge 24
Tongue 24
Tongue size 25
Classification 25
Problems with enlarged tongue 25
Management in patient with large tongue 25
Tongue position 25
Malignant and premalignant changes 26
Frenal attachments 26
Floor of the mouth 26
Saliva 26
Bony undercuts 26
Palatal throat form 26
Lateral throat form (postmylohyoid space) 27
Ageing 27
Characteristics of ageing 28
Physiopathological conditions of ageing 28
Psychosocial changes 28
Effects of ageing 28
Oral changes 28
Oral mucosa and skin changes 28
Residual bone and maxillomandibular relation changes 28
Disuse atrophy 28
Changes in size of the basal seat 28
Maxillomandibular relations 28
Tongue and taste 29
Salivary flow and nutritional impairment 29
Gag reflex 29
Aetiology 29
Systemic disorders 29
Psychological factors 29
Physiological factors 29
Social causes 29
Pavlovian conditioned reflex 29
Management 29
Clinical techniques 30
Radiographic technique 30
Prosthodontic management 30
Pharmacological measures 30
Psychological intervention 30
Role of saliva 30
Pre-extraction records and their importance 31
Radiographic evaluation 32
Nutritional requirement of edentulous patients 32
Proteins 33
Carbohydrates 33
Fibres 33
Fat 33
Vitamins 33
Minerals 33
Water 34
Role of nutrition in prosthodontics 34
3 Mouth preparation of complete denture patients 35
Introduction 35
Nonsurgical methods 35
Preprosthetic surgery 36
Minor preprosthetic surgical procedures 36
Alveoloplasties 36
Frenectomy 37
Excision of redundant soft tissues, papillary hyperplasia or epulis fissuratum 37
Maxillary tuberosity reduction and exostosis removal 37
Tori removal 38
Palatal tori 38
Technique 38
Mandibular tori (Fig. 3-3) 38
Mylohyoid ridge reduction 38
Ridge augmentation 39
Rationale of ridge augmentation 39
Factors affecting ridge augmentation success 39
Diagnosis and treatment planning 39
Vestibuloplasty 40
Indications 41
Contraindications 41
Techniques 41
Mucosal advancement 41
Secondary epithelialization (Fig. 3-5) 41
Epithelial graft vestibuloplasty 41
Lip switch procedures (transitional flap vestibuloplasty) (Fig. 3-6) 42
Resilient liners 42
Ideal requirements of resilient liners 43
Composition 43
Role in edentulous patient 43
Drawbacks 43
Role of tissue conditioners 44
Uses 44
Composition and characteristics 44
Causes of abused tissues 44
Treatment of abused tissues 44
4 Impressions in complete dentures 46
Introduction 47
Impressions 47
Definitions 47
Retention 47
Biological factors 48
Anatomical factors 48
Physiological factors 48
Muscular factors 49
Mechanical factors 49
Physical factors (Fig. 4-2) 50
Psychological factors 50
Surgical factors 50
Stability 50
Definition 50
Biological factors 51
Residual ridge anatomy 51
Vertical ridge height 51
Arch form 51
Palatal vault 51
Residual ridge relationships 52
Nature of soft tissues covering the ridges 52
Importance of modiolus and associated structures 52
Mandibular lingual flange 52
Influence of orofacial musculature 52
Neuromuscular control and education of the patient 53
Mechanical factors 53
Tooth position and teeth arrangement 53
Relationship of the polished surfaces of the denture base to the surrounding orofacial musculature 54
Relationship of opposing occlusal surfaces 54
Occlusal plane 54
Contour of polished surface of denture 54
Physical factors 54
Quality of impression 54
Occlusal rims 54
Base adaptation 54
Support 55
Definition 55
Factors responsible for effective support of the prosthesis 55
Impression techniques 56
Mucostatic impression technique 56
Mucocompressive impression technique 57
Disadvantages 57
Selective pressure technique 57
Biological consideration in maxillary impressions 57
Hard palate 58
Residual ridge 58
Rugae 59
Maxillary tuberosity 59
Alveolar tubercle 59
Limiting structures 59
Relief areas 60
Incisive papilla 60
Mid-palatine raphe 60
Fovea palatini 60
Postpalatal seal 60
Anterior vibrating line 61
Methods to locate anterior vibrating line 61
Posterior vibrating line 62
Conventional approach 62
Fluid wax technique 62
Arbitrary scraping of master cast 62
Biological considerations in mandibular impressions 62
Buccal shelf area 62
Pear-shaped pad 64
Residual alveolar ridge 64
Limiting structures 64
Labial frenum 64
Labial vestibule 64
Buccal frenum 65
Buccal vestibule 65
Lingual frenum 65
Alveololingual sulcus 65
Anterior region 66
Middle region 66
Posterior region 66
Retromolar pad 66
Relief areas 66
Mylohyoid ridge 66
Mental foramen 67
Torus mandibularis 67
Primary impression 67
Definition 67
Ideal requirement of impression trays 67
Points to consider during tray selection 67
Functions of the tray 68
Primary cast 68
Requirements of a primary cast 68
Uses of primary cast 68
Custom tray 68
Ideal requirements of a custom tray 69
Materials used for fabrication 69
Adapting relief wax 69
Spacer thickness and design 69
Method of fabrication 69
Sprinkle-on method 69
Border moulding 70
Multistep or incremental or sectional border moulding 70
Refining of maxillary impression trays 70
Refining the tissue-bearing areas of the final upper impression 70
Refining of mandibular impression trays 70
Border moulding of the lingual flanges 71
Refining of the tissue-bearing areas of the final lower impression 71
Single step or simultaneous border moulding 71
Secondary impression or wash impression 72
Impression materials 72
Impression plaster 72
II Removable Partial Dentures 223
14 Introduction to removable partial dentures 224
Introduction 224
Definition 224
Classification 224
On the basis of type of attachment of the denture to the natural teeth 225
On the basis of type of support 225
On the basis of type of material 225
Indications and contraindications of RPD 225
Benefits of RPD 225
Indications 225
Contraindications 226
Classification of partially edentulous arches 226
Kennedy’s classification and applegate’s modification 226
Kennedy’s classification 226
Applegate’s modifications 228
Applegate’s rules for applying kennedy’s classification 228
Commonly used classification for partially edentulous arches 228
W. cummer’s classification 228
M. bailyn’s classification (1928) 229
F. neurohr’s classification (1939) 229
E. mauk’s classification (1942) 229
R.J. godfrey’s classification (1951) 230
J. friedman’s classification (1953) 230
L.S. beckett’s and J.H. wilson’s classification (1957) 230
F.W. craddock’s classification (1954) 230
Sequential phases in treating a partially edentulous patient with removable prosthesis 230
15 Diagnosis and treatment planning 232
Introduction 232
Objectives of prosthodontic treatment for a partially edentulous patient 233
Importance of medical condition of patient before oral examination 233
Diagnostic cast and its importance 233
Mounted diagnostic casts as fundamental diagnostic Aids in dentistry 234
Objective of diagnostic mounting 235
Importance of radiographs in removable prosthodontics 235
Radiographic evaluation of the abutment tooth 235
Bone index area 235
Periodontal evaluation of partially edentulous patients 236
Signs and symptoms of periodontal disease 236
Splinting and its role in prosthodontics 237
Definition 237
Removable splinting 237
Fixed splinting 237
Indications 237
Contraindication 238
Requirements of splints 238
Objectives of splinting 238
Advantages of splinting 238
Disadvantages of splinting 238
Removable permanent splints 239
Continuous clasp devices 239
Swing-lock devices 239
Overdentures 239
16 Components of removable partial denture 240
Introduction 241
Components of removable partial denture 241
Major connectors 241
Definition 241
Ideal requirements of major connectors 241
Beading of maxillary cast 241
Designing of maxillary major connector 242
Types of maxillary major connectors 242
Single posterior palatal bar (Fig. 16-1) 242
Indications 242
III Fixed Partial Dentures 319
22 Introduction to fixed prosthodontics 320
Introduction 320
Indications of fixed partial denture (FPD) 320
Contraindications of FPD 320
Fixed dental prosthesis 321
Parts of FPD 321
Classification of FPD 321
Retainers 322
Factors required for ideal retainer 322
Selection of retainers 322
Extracoronal retainers 322
Intracoronal retainers 322
Proximo-occlusal inlay (Fig. 22-2) 322
Indications 323
Contraindications 323
Advantages 323
Disadvantages 323
Mod onlay (Fig. 22-3) 324
Indications 324
Contraindications 324
Advantages 324
Disadvantages 324
Pontic and its design 324
Definition 324
Requirement of a pontic 324
Pontic design 324
Factors affecting pontic design 325
23 Diagnosis and treatment planning in fixed partial denture 333
Introduction 333
Common medical conditions which influence the treatment of FPD 333
Diagnostic aids used in fixed prosthodontics 333
Diagnostic casts 334
Importance of radiographic interpretation for successful treatment planning in fixed prosthodontics 335
Abutment and factors influencing abutment selection 335
Criteria for selection 335
Ante’s law 336
Importance of ante’s law 336
Different types of abutments used in fixed partial denture 337
Residual ridge defects and their management 340
Periodontal factors which influence treatment planning in fixed prosthodontics 342
24 Design of fixed partial denture 344
Introduction 344
Different designs in fixed prosthodontics 344
Biomechanical factors affecting FPD design 345
All ceramic FPDs 347
Laminate veneer 347
Indications 347
Contraindications 347
Advantages 347
Disadvantages 348
Crown preparation 348
Steps in tooth preparation 348
Labial reduction 348
Proximal reduction 348
Incisal reduction 348
Lingual reduction 348
Finishing 348
Rationale of restoring an endodontically treated tooth and ideal requirements of post 348
Functions of a post 349
Ideal requirements of a post 349
Prefabricated posts 349
Salient features of prefabricated posts 349
Tapered smooth-sided post (Fig. 24-4) 350
Tapered post with self-threading screws 350
Parallel-sided posts (Fig. 24-5) 350
Carbon fibre post 350
Glass fibre post 350
Quartz fibre post 350
Light-transmitting post 351
Parallel flexi-post 351
Steps involved in fabrication of custom-made dowel core 351
To remove root canal filling material 352
Enlargement of the canal 352
Fabrication of dowel core 352
Direct technique 352
Indirect technique 352
Materials used 352
Ferrule 353
Resin-bonded bridge 353
Indications 353
Contraindications 354
Advantages 354
Disadvantages 354
Spring-retained FPD 356
Advantages 356
Disadvantages 356
Resin cements used to lute fpds 357
CAD/CAM assistance in fixed prosthodontics 357
Historical background 357
Components of CAD/CAM system 357
CAD/CAM production concepts 358
Additive manufacturing or 3D printing 358
Definition 358
Application of additive manufacturing in prosthodontics 358
Types of 3D printing 359
Subtractive manufacturing 359
Uses of the CAD/CAM systems 359
25 Clinical crown preparation in fixed prosthodontics 360
Introduction 360
Finish lines 363
Types of finish lines 364
Supragingival and subgingival finish lines 366
Supragingival finish lines 366
Subgingival finish lines 366
Indications 366
Factors that influence the extent of inflammatory changes associated with subgingival margins 366
Porcelain jacket crown 367
Preparation of full cast crown 368
Occlusal reduction 369
Buccal reduction and lingual reduction 369
Proximal reduction 369
Finishing the preparation 369
Indications 369
Contraindications 370
Advantages 370
Disadvantages 370
Preparation for partial veneer crown 370
Lingual reduction 370
Incisal reduction 371
Proximal axial reduction 371
Additional features 371
Proximal grooves 371
Proximal flare 371
Incisal offset 371
Labioincisal bevel 371
Indications 372
Contraindications 372
Advantages 372
Disadvantages 372
Preparation for PFM crown 372
Occlusal reduction 372
Proximal reduction 373
Lingual reduction 373
Buccal reduction 373
Advantage 373
Disadvantages 373
26 Impressions in fixed partial denture 375
Introduction 375
Methods of fluid control 375
Rubber dam 376
High-volume suction 376
Saliva ejector 376
Svedopter 376
Drawbacks 376
Antisialagogues 376
Contraindications 376
Various methods of gingival retraction during impression making in fixed prosthodontics 376
Mechanical methods 377
Copper band 377
Cotton cord 377
Rubber dam 377
Retraction cord 377
Mechanico-chemical method (retraction cord) 377
Criteria for selecting appropriate retraction material 378
Epinephrine 378
Contraindications 378
Technique of using retraction cord 378
Surgical method of gingival retraction 378
Rotary curettage 379
Criteria for gingettage 379
Technique 379
IV Maxillofacial Prosthodontics 421
31 Introduction and materials 422
Introduction 422
Definition 422
Objectives 422
Scope 423
Indications 423
Contraindications 423
Effect of radiation on the oral cavity 423
Oral mucosa 423
Bone 423
Salivary glands 424
Taste buds 424
Teeth 424
Periodontium 424
Evolution of maxillofacial prosthesis 424
Materials used in prosthetic restoration of the facial defects 425
Desirable properties of ideal materials 426
Definitive materials used in maxillofacial prosthesis fabrication 426
Acrylic resins 426
Uses 426
Physical properties 426
V Implant Dentistry 455
33 Diagnosis and treatment planning 456
Introduction 456
Dental implant and its scope and limitations 456
Historical background of dental implants 456
Indications 457
Contraindications 457
Advantages 457
Disadvantages 458
Limitations 458
Radiographic planning of dental implants 460
Role of radiographs in implant treatment 461
Panoramic radiography 461
Advantages 461
Disadvantages 461
Periapical radiography 461
Lateral cephalogram 461
Role of CT scans in implant dentistry 462
Uses 462
Question bank 488
Section I: Complete dentures 488
Section II: Removable partial dentures 488
Section III: Fixed partial dentures 488
Section IV: Maxillofacial prosthodontics 494
Section V: Implant dentistry 494
Suggested readings 496
Complete dentures 496
Removable partial dentures 497
Fixed partial dentures 497
Maxillofacial prosthodontics 498
Dental implants 499
Index 501
A 501
B 501
C 502
D 502
E 503
F 503
G 503
H 503
I 504
J 504
K 504
L 504
M 504
N 505
O 505
P 506
R 507
S 507
T 508
U 508
V 508
W 508
X 508
Z 508