Top

Head & Face Medicine

Published in:

Open Access 01-12-2013 | Research

Apical root resorption during orthodontic treatment with aligners? A retrospective radiometric study

Authors: Elena Krieger, Thomas Drechsler, Irene Schmidtmann, Collin Jacobs, Simeon Haag, Heinrich Wehrbein

Published in: Head & Face Medicine | Issue 1/2013

Abstract

Introduction

Objective of this study was to investigate the incidence and severity of apical root resorptions (ARR) during orthodontic treatment with aligners.

Materials and methods

The sample comprised 100 patients (17–75 years of age) with a class I occlusion and anterior crowding before treatment, treated exclusively with aligners (Invisalign®, Align Technologies, Santa Clara, CA, USA). The following teeth were assessed: upper and lower anterior teeth and first molars. Root and crown lengths of a total of 1600 teeth were measured twice in pre- and post-treatment panoramic radiographs. Afterwards, relative changes of the root length during treatment were calculated by a root-crown-ratio taking pre- and post-treatment root and crown lengths into consideration. A reduction of this ratio was considered as a shortening of the initial root length. Additionally, tooth movements of the front teeth were assessed by lateral cephalograms and the 3-dimensonal set up of each patient.

Results

All patients had a reduction of the pre-treatment root length with a minimum of two teeth. On average 7.36 teeth per patient were affected. 54% of 1600 measured teeth showed no measurable root reduction. A reduction of >0%-10% of the pre-treatment root length was found in 27.75%, a distinct reduction of >10%-20% in 11.94%. 6.31% of all teeth were affected with a considerable reduction of >20%. We found no statistically significant correlation between relative root length changes and the individual tooth, gender, age or sagittal and vertical orthodontic tooth movement; except for extrusion of upper front teeth, which was considered as not clinical relevant due to the small amount of mean 4% ARR.

Conclusions

The present study is the first analyzing ARR in patients with a fully implemented orthodontic treatment with aligners (i.e. resolving anterior crowding). The variety was high and no clinical relevant influence factor could be detected. A minimum of two teeth with a root length reduction was found in every patient. On average, 7.36 teeth per patient were affected.

Available only for authorised users

Weltman B, Vig KW, Fields HW, Shanker S, Kaizar EE: Root resorption associated with orthodontic tooth movement: a systematic review. Am J Orthod Dentofacial Orthop. 2010, 137: 462-476. 10.1016/j.ajodo.2009.06.021.CrossRefPubMed

Al-Qawasmi RA, Hartsfield JK, Everett ET, Flury L, Liu L, Foroud TM, Macri JV, Roberts WE: Genetic predisposition to external apical root resorption. Am J Orthod Dentofacial Orthop. 2003, 123: 242-252. 10.1067/mod.2003.42.CrossRefPubMed

Killiany DM: Root resorption caused by orthodontic treatment: an evidence-based review of literature. Semin Orthod. 1999, 5: 128-133. 10.1016/S1073-8746(99)80032-2.CrossRefPubMed

Kurol J, Owman-Moll P: Hyalinization and root resorption during early orthodontic tooth movement in adolescents. Angle Orthod. 1998, 68: 161-165.PubMed

Wehrbein H, Harhoff R, Diedrich P: Rates of root resorption in orthodontically moved, periodontally affected and healthy teeth. Dtsch Zahnarztl Z. 1990, 45: 176-178. [in German]PubMed

Brezniak N, Wasserstein A: Root resorption after orthodontic treatment: Part 1. Literature review. Am J Orthod Dentofacial Orthop. 1993, 103: 62-66. 10.1016/0889-5406(93)70106-X.CrossRefPubMed

Fritz U, Diedrich P, Wiechmann D: Apical root resorption after lingual orthodontic therapy. J Orofac Orthop. 2003, 64: 434-442. 10.1007/s00056-003-0243-5.CrossRefPubMed

Gülden N, Eggermann T, Zerres K, Beer M, Meinelt A, Diedrich P: Interleukin-1 polymorphisms in relation to external apical root resorption (EARR). J Orofac Orthop. 2009, 70: 20-38. 10.1007/s00056-009-8808-6.CrossRefPubMed

Levander E, Malmgren O: Evaluation of the risk of root resorption during orthodontic treatment. A study of upper incisors. Eur J Orthod. 1988, 10: 30-38. 10.1093/ejo/10.1.30.CrossRefPubMed

10.

Linge BO, Linge L: Apical root resorption in upper anterior teeth. Eur J Orthod. 1983, 5: 173-183. 10.1093/ejo/5.3.173.CrossRefPubMed

11.

Castro IO, Alencar AH, Valladares-Neto J, Estrela C: Apical root resorption due to orthodontic treatment detected by cone beam computed tomography. Angle Orthod. 2012, 83: 196-203.CrossRef

12.

Lund H, Gröndahl K, Hansen K, Gröndahl HG: Apical root resorption during orthodontic treatment. A prospective study using cone beam CT. Angle Orthod. 2012, 82: 480-487. 10.2319/061311-390.1.CrossRefPubMed

13.

Sehr K, Bock NC, Serbesis C, Hönemann M, Ruf S: Severe external apical root resorption-local cause or genetic predisposition?. J Orofac Orthop. 2011, 72: 321-331. 10.1007/s00056-011-0036-1.CrossRefPubMed

14.

Bastos Lages EM, Drummond AF, Pretti H, Costa FO, Lages EJ, Gontijo AI, Miranda Cota LO, Brito RB: Association of functional gene polymorphism IL-1b in patients with external apical root resorption. Am J Orthod Dentofacial Orthop. 2009, 136: 542-546. 10.1016/j.ajodo.2007.10.051.CrossRefPubMed

15.

Harris EF, Kineret SE, Tolley EA: A heritable component for external apical root resorption in patients treated orthodontically. Am J Orthod Dentofacial Orthop. 1997, 111: 301-309. 10.1016/S0889-5406(97)70189-6.CrossRefPubMed

16.

Brezniak N, Wasserstein A: Root resorption following treatment with aligners. Angle Orthodontist. 2008, 78: 1119-1124. 10.2319/112807-562.1.CrossRefPubMed

17.

Barbagallo LJ, Jones AS, Petocz P, Darendeliler MA: Physical properties of root cementum: part 10. Comparison of the effects of invisible removable thermoplastic appliances with light and heavy orthodontic forces on premolar cementum. A microcomputed-tomography study. Am J Orthod Dentofacial Orthop. 2008, 133: 218-227. 10.1016/j.ajodo.2006.01.043.CrossRefPubMed

18.

Sombuntham NP, Songwattana S, Atthakorn P, Jungudomjaroen S, Panyarachun B: Early tooth movement with a clear plastic appliance in rats. Am J Orthod Dentofacial Orthop. 2009, 136: 75-82. 10.1016/j.ajodo.2007.08.021.CrossRefPubMed

19.

Krieger E, Seiferth J, Marinello I, Jung BA, Wriedt S, Jacobs C, Wehrbein H: Invisalign® treatment in the anterior region–were the predicted tooth movements achieved?. J Orofac Orthop. 2012, 73: 365-376. 10.1007/s00056-012-0097-9.CrossRefPubMed

20.

Krieger E, Seiferth J, Saric I, Jung BA, Wehrbein H: Accuracy of Invisalign® treatments in the anterior tooth region. First results. J Orofac Orthop. 2011, 72: 141-149. 10.1007/s00056-011-0017-4.CrossRefPubMed

21.

Rudolph DJ, Willes PMG, Sameshima GT: A finite element model of apical force distribution from orthodontic tooth movement. Angle Orthod. 2001, 71: 127-131.PubMed

22.

Han G, Huang S, Von den Hoff JW, Zeng X, Kuijpers-Jagtman AM: Root resorption after orthodontic intrusion and extrusion: an intraindividual study. Angle Orthod. 2005, 75: 912-918.PubMed

23.

Kravitz ND, Kusnoto B, BeGole E, Obrez A, Agran B: How well does Invisalign® work? A prospective clinical study evaluating the efficacy of tooth movement with Invisalign®. Am J Orthod Dentofacial Orthop. 2009, 135: 27-35. 10.1016/j.ajodo.2007.05.018.CrossRefPubMed

24.

Kalkwarf KL, Krejci RF, Pao YC: Effect of apical root resorption on periodontal support. J Prosthet Dent. 1986, 56: 317-319. 10.1016/0022-3913(86)90011-9.CrossRefPubMed

25.

Apajalahti S, Peltola JS: Apical root resorption after orthodontic treatment - a retrospective study. Eur J Orthod. 2007, 29: 408-412. 10.1093/ejo/cjm016.CrossRefPubMed

26.

Janson GR, De Luca Canto G, Martins DR, Henriques JF, De Freitas MR: A radiographic comparison of apical root resorption after orthodontic treatment with 3 different fixed appliance techniques. Am J Orthod Dentofacial Orthop. 2000, 118: 262-273. 10.1067/mod.2000.99136.CrossRefPubMed

27.

Dudic A, Giannopoulou C, Leuzinger M, Kiliaridis S: Detection of apical root resorption after orthodontic treatment by using panoramic radiography and cone-beam computed tomography of super-high resolution. Am J Orthod Dentofacial Orthop. 2009, 135: 434-437. 10.1016/j.ajodo.2008.10.014.CrossRefPubMed

28.

Silva MA, Wolf U, Heinicke F, Bumann A, Visser H, Hirsch E: Cone-beam computed tomography for routine orthodontic treatment planning: a radiation dose evaluation. Am J Orthod Dentofacial Orthop. 2008, 133: 640.e1-640.e5. 10.1016/j.ajodo.2007.11.019.CrossRef

Title: Apical root resorption during orthodontic treatment with aligners? A retrospective radiometric study
Authors: Elena Krieger
Thomas Drechsler
Irene Schmidtmann
Collin Jacobs
Simeon Haag
Heinrich Wehrbein
Publication date: 01-12-2013
Publisher: BioMed Central
Published in: Head & Face Medicine / Issue 1/2013
Electronic ISSN: 1746-160X
DOI: https://doi.org/10.1186/1746-160X-9-21

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Apical root resorption during orthodontic treatment with aligners? A retrospective radiometric study

Abstract

Introduction

Materials and methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Introduction

Materials and methods

Results

Conclusions

Please log in to get access to this content

Other articles of this Issue 1/2013

Association of dentoskeletal morphology with incisor inclination in angle class II patients: a retrospective cephalometric study

Extraction bradycardia: a pilot case-crossover study

Influence of lateral cephalometric radiographs on extraction decision in skeletal class I patients

The detection of oral pre- malignant lesions with an autofluorescence based imaging system (VELscopeTM) – a single blinded clinical evaluation

Double trouble: preseptal cellulitis due to two species with multidrug resistance

The anatomical evaluation of the dental arches using cone beam computed tomography - an investigation of the availability of bone for placement of mini-screws