Temporary Anchorage Devices in Clinical Orthodontics

Jae Hyun Park, DMD, MSD, MS, PhD, is a Diplomate of the American Board of Orthodontics and Professor in the Postgraduate Orthodontic Program at Arizona School of Dentistry & Oral Health at A.T. Still University in Mesa, Arizona, USA, and International Scholar in the Graduate School of Dentistry at Kyung Hee University in Seoul, South Korea.

List of Contributors xi


Foreword xxi


Preface xxiii


Acknowledgement xxv


About the Editor xxvii


Section I Fundamental Perspectives on TADs 1


1 An Overview of Clinical Applications for Temporary Anchorage Devices (TADs) 3
Jae Hyun Park and Kyungsup Shin


2 Biomechanical Considerations for Controlling Target Tooth Movement with Mini-implants 17
Jung Yul Cha


3 Biomechanical Simulations for Various Clinical Scenarios Treated with TADs 27
Tai-Hsien Wu and Ching-Chang Ko


4 Histological Aspects During the Healing Process with TADs 37
Toru Deguchi


5 The Effects of TADs on the Alveolar Bone 45
Jing Chen, Karolina Kister, and Sunil Wadhwa


6 Mechanical Aspects of TADs 53
Toru Deguchi and Do-Gyoon Kim


7 Factors Affecting the Failure of TADs and Efforts to Improve the Biomechanical Stability of TADs 61
Sung-Hwan Choi and Chung-Ju Hwang


8 TADs and Successful Clinical Outcomes 69
Chung H. Kau and Terpsithea Christou


9 Clinical, Mechanical, and Diagnostic Indices for the Placement of TADs 77
Mitsuru Motoyoshi


10 Considerations for the Placement of TADs 83
Alejandro A. Romero-Delmastro, Onur Kadioglu, and G. Frans Currier


11 Understanding Implant Sites for TADs 91
Hyung Seog Yu


12 Palatal TADs: Anatomical Considerations 99
Mohamed Bayome, Jae Hyun Park, and Yoon-Ah Kook


13 Implant Site Selection 107
Sebastian Baumgaertel


Section II Three-dimensional Correction with TADs 115


Anteroposterior Correction 117


14 Treating Skeletal Class II Hyperdivergent Patients: A Structured Decision-making Process 117
Peter H. Buschang and Larry Tadlock


15 Class II Correction with Skeletal Anchorage and Forsus 133
Min-Ho Jung


16 Distalization of Maxillary and Mandibular Molars with TADs 143
Jae Hyun Park, Mohamed Bayome, and Yoon-Ah Kook


17 Effective Treatment of Class II Malocclusion with the TAD-supported amda (R) 153
Moschos A. Papadopoulos


18 The Use of TADs with a Wilson Distalizing Arch 161
Tarek El?Bialy and Budi Kusnoto


19 The Use of TADs to Correct Challenging Class II Sagittal Discrepancies 169
Goli K. Parsi and Mohamed I. Masoud


20 Dentofacial Orthopedics for Class III Corrections with Bone?anchored Maxillary Protraction 185
Tung Nguyen


21 TAD-anchored Maxillary Protraction 191
Dong-Hwa Chung


22 Protraction Headgear with Surgical Miniplates 199
Bong?Kuen Cha


Transverse Correction 213


23 Total Arch Distalization and Control of Transverse Discrepancy with TADs 213
Ju Young Lee, Hwa Sung Chae, and Young Ho Kim


24 Maxillary Expansion in Skeletally Mature Patients with TADs 223
Won Moon


25 Maxillary Expansion with TADs in Young Adults 233
Peter Ngan and Hong He


26 TAD-assisted Naso-maxillo-pharyngeal Expansion 243
Kyung-A Kim, Su-Jung Kim, and Young-Guk Park


27 Scissor Bite Correction with TADs 259
Kyung-Min Lee, Sung-Hoon Lim, Gye-Hyeong Lee, and Jae Hyun Park


Vertical Correction 271


28 Clinical Outcomes with TADs and Conventional Mechanics in Adult Skeletal Open Bite and Class II Patients 271
Toru Deguchi and Keiichiro Watanabe


29 Control of Vertical Dimension and Chin Position in Class II Malocclusion with Miniscrew Implants 285
P. Emile Rossouw, Dimitrios Michelogiannakis, and Glen Hintz


30 Anterior Open Bite Correction with One Midpalatal TAD 297
Tae-Woo Kim


31 Treatment of Open Bite with TADs: The Nature of Molar Intrusion and Relapse 309
Masato Kaku, Kazuo Tanne, and Kotaro Tanimoto


32 Double Arch Intrusion: Effective Use of TADs to Correct Vertical Excess 319
Cheol-Ho Paik and Hwee-Ho Kim


Section III Clinical Applications of TADs 327


33 Three-dimensional Application of Orthodontic Miniscrews and Their Long-term Stability 329
Yoon Jeong Choi and Young-Chel Park


34 Tweed-Merrifield Directional Force Technology with TADs 337
Jong-Moon Chae and Jae Hyun Park


35 Non-extraction Treatment of Class II Hyperdivergent Patients with Orthodontic Mini-implants 349
Hyo-Won Ahn and Seung-Hak Baek


36 Clinical Application of Palatal TADs 359
Sung-Hoon Lim


37 Management of Missing Teeth with C-implants 369
Seong-Hun Kim, Min-Ki Noh, Kyu-Rhim Chung, and Gerald Nelson


38 Indirect Miniscrew Anchorage for Adjunctive Orthodontic Treatment: Clinical Applications and Stability 383
Kyung-Ho Kim, Yoon Jeong Choi, and Woowon Jang


39 TADs for Limited Orthodontic Treatment 393
Masamitsu Takahashi and Satoshi Uzuka


40 Uprighting Impacted Mandibular Second Molars with a Cantilever System Using TADs 405
Sang-Jin Sung


41 Orthodontic Treatment of TMD Patients with Posterior Intrusion Using TADs 415
Gye-Hyeong Lee, Sang-Mi Lee, Sun Kyong Yoo, and Jae Hyun Park


42 Insights to Extraradicular Bone Screw Applications for Challenging Malocclusions 433
Chris H. Chang, Joshua S. Lin, Hsin-Yin Yeh, and W. Eugene Roberts


43 The Biomechanics of Extra-alveolar TADs in Orthodontics 445
Marcio Rodrigues de Almeida


44 A New and Innovative TAD System for Improved Stability and Versatility 455
Carlos Villegas and Flavio Uribe


45 Palatal and Ramal Plate Applications 467
Yoon-Ah Kook, Jae Hyun Park, and Mohamed Bayome


46 Miniscrews vs. Miniplates 477
Nour Eldin Tarraf and M. Ali Darendeliler


47 Progress of Anchorage in Lingual Orthodontic Treatment 489
Hee Moon Kyung


48 Biomechanics of Lingual Orthodontics and TADs 497
Ryoon-Ki Hong


49 TADs with a Fully Customized CAD-CAM Lingual Bracket System 513
Toru Inami


50 TAD-assisted Lingual Retractors 527
Ki-Ho Park, Hyo-Won Ahn, and Yoon-Goo Kang


51 TADs and Invisalign: Making Difficult Movement Possible 541
Joorok Park and Robert L. Boyd


52 The Use of TADs with Clear Aligners for Asymmetry Correction 55
William J. Kottemann


53 Microimplant-assisted Aligner Therapy 563
Ramon Mompell and S. Jay Bowman


54 Safe and Precise TAD Placement in the Anterior Palate with Simple and Inexpensive TAD Guides 577
Philipp Eigenwillig, Bjoern Ludwig, and Axel Bumann,


Section IV Esthetic Control with TADs 587


55 Correction of Occlusal Canting with TADs 589
Tae-Woo Kim


56 Treatment of Facial Asymmetry with Microimplants 603
Hyo-Sang Park


57 Facial Asymmetry: Non-surgical Orthodontic Treatment Considerations 615
Kelvin Wen-Chung Chang


58 The Application of TADs for Gummy Smile Correction 633
Kee-Joon Lee


59 Application of TADs in an Adult Gummy Smile Case with Vertical Maxillary Excess 647
Johnny J.L. Liaw


60 Facial Esthetics-oriented Treatment Planning with Dental VTOs and TADs 661
Sercan Akyalcin


61 Improved Facial Profile with Premolar Extraction and Molar Intrusion Using TADs and VTOs 675
Kiyoshi Tai and Jae Hyun Park


Section V Application of TADs in Surgical Cases 685


62 TADs vs. Orthognathic Surgery 687
Jeong?Ho Choi


63 Advantages of Miniscrew Usage for Pre? and Post-operative Orthodontics in Skeletal Class III Malocclusion Patients 697
Seong Sik Kim and Sung?Hun Kim


64 Orthodontic Biomechanics with Miniplates in the Surgery?first Orthognathic Approach 709
Jorge Faber, Carolina Faber, and Patricia Valim


Section VI Complications with the Use of TADs 717


65 Biomechanical Mistakes Related to the Use of TADs 719
Ki Beom Kim and Guilherme Thiesen


66 Pros and Cons of Miniscrews and Miniplates for Orthodontic Treatment 731
Cheol?Hyun Moon


67 Orthodontic Miniscrews: The Pearls and Pitfalls of TADs 739
Takashi Ono


68 Success with TADs: Evidence and Experience 747
Melih Motro and Leslie A. Will


69 Legal Considerations When Using TADs 757
Laurance Jerrold and Michael Schulte


Index 765