Speech performance in lingual orthodontic patients measured by sonagraphy and auditive analysis  
Hohoff A, Seifert E, Fillion D, Stamm T, Heinecke A, Ehmer U 
American Journal of Orthodontics and Dentofacial Orthopedics - February 2003 (Vol. 123, Issue 2, Pages 146-152) 

Customized brackets and archwires for lingual orthodontic treatment  
Wiechmann D, Rummel V, Thalheim A, Simon JS, Wiechmann L 
American Journal of Orthodontics and Dentofacial Orthopedics - November 2003 (Vol. 124, Issue 5, Pages 593-599)

Comparison of 3 bonded lingual appliances by auditive analysis and subjective assessment  
Hohoff A, Stamm T, Goder G, Sauerland C, Ehmer U, Seifert E 
American Journal of Orthodontics and Dentofacial Orthopedics - December 2003 (Vol. 124, Issue 6, Pages 737-745) 

Orthosurgical treatment with lingual orthodontics of an infraoccluded maxillary first molar in an adult  
Chaushu S, Becker A, Chaushu G 
American Journal of Orthodontics and Dentofacial Orthopedics - March 2004 (Vol. 125, Issue 3, Pages 379-387)

Oral comfort, function and hygiene in patients with lingual brackets: A. Hohoff, D. Fillion, T. Stamm, G. Coder, C. Saverland, and V. Ehmer <it>Fortschritte der Kieferorthopädie 2003;64:359-71</it>  
Jacobson A 
American Journal of Orthodontics and Dentofacial Orthopedics - April 2004 (Vol. 125, Issue 4, Page 520) 

Hohoff, Ariane, Stamm, Thomas, Kühne, Nicola, Wiechmann, Dirk, Haufe, Stephan, Lippold, Carsten, Ehmer, Ulrike. 2003: Effects of a Mechanical Interdental Cleaning Device on Oral Hygiene in Patients with Lingual Brackets. The Angle Orthodontist: Vol. 73, No. 5, pp. 579-587. 

Hohoff, Ariane, Stamm, Thomas, Ehmer, Ulrike. 2004: Comparison of the Effect on Oral Discomfort of Two Positioning Techniques with Lingual Brackets. The Angle Orthodontist: Vol. 74, No. 2, pp. 226-233. 

Geron, Silvia, Romano, Rafi, Brosh, Tamar. 2004: Vertical Forces in Labial and Lingual Orthodontics Applied on Maxillary Incisors-A Theoretical Approach. The Angle Orthodontist: Vol. 74, No. 2, pp. 195-201. 
 
 
 

Kawakami, Masayoshi, Miyawaki, Shouichi, Noguchi, Haruhiro, Kirita, Tadaaki. 2004: Screw-type Implants Used as Anchorage for Lingual Orthodontic Mechanics: A Case of Bimaxillary Protrusion with Second Premolar Extraction. The Angle Orthodontist: Vol. 74, No. 5, pp. 715-719. 

Hong, Ryoon-Ki, Heo, Jung-Min, Ha, Young-Ki. 2005: Lever-arm and Mini-implant System for Anterior Torque Control during Retraction in Lingual Orthodontic Treatment. The Angle Orthodontist: Vol. 75, No. 1, pp. 129-141. 

New Indirect Bonding Method for Lingual Orthodontics  
TAEWEON KIM, DDS, MSD, GI-SUN BAE, DDS, MSD, JAEHYUNG CHO, DDS, MSD,  
J.C.O.  -  VOLUME 34 : NUMBER 6 : PAGE 348 : JUNE : 2000  

CASE REPORT Lingual Orthodontics Combined with Orthognathic Surgery in a Skeletal Class III Patient  
RYOON-KI HONG, DDS, PHD, JIN-GEW LEE, DDS, MSD, PHD, JIN SUNWOO, DDS, SEUNG-MIN LIM, DDS,  
J.C.O.  -  VOLUME 34 : NUMBER 7 : PAGE 403 : JULY : 2000  

A New Customized Lingual Indirect Bonding System  
RYOON-KI HONG, DDS, PHD, YONG-HWA KIM, DDS, JE-YOUNG PARK,  
J.C.O.  -  VOLUME 34 : NUMBER 8 : PAGE 456 : AUGUST : 2000  

CASE REPORT Lingual Segmented Treatment in the Maxillary Arch  
YUJI YOSHIZAWA, DDS, DDSC, KATSUJI TANAKA, DDS, DDSC,  
J.C.O.  -  VOLUME 34 : NUMBER 9 : PAGE 547 : SEPTEMBER : 2000  

Lever-Arm Mechanics in Lingual Orthodontics  
YOUNG CHEL PARK, DDS, PHD, KWANGCHUL CHOY, DDS, PHD, JONG SUK LEE, DDS, MSD, TAE KWAN KIM, DDS,  
J.C.O.  -  VOLUME 34 : NUMBER 10 : PAGE 601 : OCTOBER : 2000  

The Straight-Wire Concept in Lingual Orthodontics  
KYOTO TAKEMOTO, DDS, GIUSEPPE SCUZZO, MD, DDS,  
J.C.O.  -  VOLUME 35 : NUMBER 1 : PAGE 46 : JANUARY : 2001  

TECHNIQUE CLINIC Use of Lingual Brackets for Deep-Bite Correction  
ALDO CARANO, DO, MS, CLAUDIA CIOCIA, DO, GIAMPIETRO FARRONATO, MD,  
J.C.O.  -  VOLUME 35 : NUMBER 7 : PAGE 449 : JULY : 2001  

CASE REPORT Micro-Implant Anchorage for Lingual Treatment of a Skeletal Class II Malocclusion 
JANG SEOP LEE, DDS, MSD, PHD, HYO-SANG PARK, DDS, MSD, HEE-MOON KYUNG, DDS, MSD, PHD,  
J.C.O.  -  VOLUME 35 : NUMBER 10 : PAGE 643 : OCTOBER : 2001  

Philippe Self-Ligating Lingual Brackets  
ALDO MACCHI, MD, MS, ANGELO TAGLIABUE, MD, DDS, LUCA LEVRINI, MD, GIORGIO TREZZI, DDS,  
J.C.O.  -  VOLUME 36 : NUMBER 1 : PAGE 42 : JANUARY : 2002  

CASE REPORT Lingual Extraction Treatment of Anterior Open Bite in an Adult  
SILVIA GERON, DMD, MSC, STELLA CHAUSHU, DMD, MSC,  
J.C.O.  -  VOLUME 36 : NUMBER 8 : PAGE 441 : AUGUST : 2002   

The Lingual Plain-Wire System with Micro-Implant Anchorage  
HEE-MOON KYUNG, DDS, MS, PHD, HYO-SANG PARK, DDS, MS, PHD, SEONG-MIN BAE, DDS, MS, JAE-HYUN SUNG, DDS, MS, PHD, IL-BONG KIM, DDS, MS, PHD,  
J.C.O.  -  VOLUME 38 : NUMBER 7 : PAGE 388 : JULY : 2004  

Digital Design and Manufacturing of the Lingualcare Bracket System  
MAGALI MUJAGIC, DDS, MS, CORALIE FAUQUET, DDS, MS, CATHERINE GALLETTI, DDS, MS, CHRISTIAN PALOT, DDS, MS, MSD, DIRK WIECHMANN, DDS, MS, JAMES MAH, DDS, MS, MRCD, DMS,  
J.C.O.  -  VOLUME 39 : NUMBER 6 : PAGE 375 : JUNE : 2005  

Modified Intrusive Mechanics in Lingual Segmented-Arch Treatment  
RYOON-KI HONG, DDS, PHD, TAE-GUN KIM, DDS, SEUNG-MIN LIM, DDS, CHOONG-HYO LEE, DDS,  
J.C.O.  -  VOLUME 39 : NUMBER 8 : PAGE 489 : AUGUST : 2005  

Ortodonzia linguale (2° ediz.) : G. Siciliani, S. Terranova. Masson, Milano, 2001.

Invisible Orthodontics : G. Scuzzo, K. Takemoto. Quintessenz, Berlin, 2003. (o Quintessence books)