{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T16:07:00Z","timestamp":1780070820924,"version":"3.54.0"},"reference-count":60,"publisher":"The Angle Orthodontist (EH Angle Education & Research Foundation)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,11]]},"abstract":"ABSTRACT<\/jats:title>\n \n Objective:\u2002<\/jats:title>\n To determine the existence of factors permitting the prediction of sagittal stability after orthodontic treatment in patients with Angle Class II malocclusion.<\/jats:p>\n <\/jats:sec>\n \n Materials and Methods:\u2002<\/jats:title>\n PubMed, EMBASE, and the Cochrane Library were searched up to March 2015. Inclusion criteria were longitudinal studies with at least 10 subjects investigating associations between at least one factor and stability, with an average minimum follow-up period of 2 years; stability measured using posttreatment sagittal dental changes; and orthodontic treatment including removable and\/or fixed appliances with or without extractions. Two reviewers independently selected and assessed the quality of the articles.<\/jats:p>\n <\/jats:sec>\n \n Results:\u2002<\/jats:title>\n The search strategy resulted in 1372 articles, of which 17 met the inclusion criteria. Large changes during treatment in molar and canine relationships were the only two factors found to be positively associated with relapse, but with limited evidence. Fourteen factors were found not to be predictive of relapse, also with limited evidence. These factors included treatment characteristics, patient pretreatment characteristics, and final posttreatment characteristics.<\/jats:p>\n <\/jats:sec>\n \n Conclusions:\u2002<\/jats:title>\n There is currently limited evidence to support the influence of factors predictive of sagittal stability following Class II malocclusion treatment. More high-quality prospective studies are needed, and functional factors possibly affecting relapse also need to be further assessed.<\/jats:p>\n <\/jats:sec>","DOI":"10.2319\/052415-350.1","type":"journal-article","created":{"date-parts":[[2015,11,30]],"date-time":"2015-11-30T15:26:11Z","timestamp":1448897171000},"page":"1033-1041","source":"Crossref","is-referenced-by-count":18,"title":["Predictive factors of sagittal stability after treatment of Class II malocclusions"],"prefix":"10.2319","volume":"86","author":[{"given":"Sabrina Maniewicz","family":"Wins","sequence":"first","affiliation":[{"name":"Resident, Division of Gerodontology and Removable Prosthodontics, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregory S.","family":"Antonarakis","sequence":"additional","affiliation":[{"name":"Lecturer, Division of Orthodontics, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stavros","family":"Kiliaridis","sequence":"additional","affiliation":[{"name":"Professor and Head, Division of Orthodontics, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1164","reference":[{"key":"i0003-3219-86-6-1033-r1","series-title":"Angle Orthod","first-page":"240","article-title":"Long-term stability of dental relationships after orthodontic treatment","volume":"53","author":"Udhe\n MD,","year":"1983","unstructured":"Udhe\n MD, \n \n Sadowsky\n C, \n \n BeGole\n EA.\n \n \n Long-term stability of dental relationships after orthodontic treatment. Angle Orthod. 1983;53:240\u2013252."},{"key":"i0003-3219-86-6-1033-r2","series-title":"Am J Orthod Dentofacial Orthop","first-page":"220","article-title":"The nature of Class II relapse after Herbst appliance treatment: a cephalometric long-term investigation","volume":"100","author":"Pancherz\n H.","year":"1991","unstructured":"Pancherz\n H.\n \n \n The nature of Class II relapse after Herbst appliance treatment: a cephalometric long-term investigation. Am J Orthod Dentofacial Orthop. 1991;100:220\u2013233."},{"key":"i0003-3219-86-6-1033-r3","series-title":"Am J Orthod Dentofacial Orthop","first-page":"510","article-title":"The headgear effect of the Herbst appliance: a cephalometric long-term study","volume":"103","author":"Pancherz\n H,","year":"1993","unstructured":"Pancherz\n H, \n \n Anehus-Pancherz\n M.\n \n \n The headgear effect of the Herbst appliance: a cephalometric long-term study. Am J Orthod Dentofacial Orthop. 1993;103:510\u2013520."},{"key":"i0003-3219-86-6-1033-r4","series-title":"Eur J Orthod","first-page":"275","article-title":"Facial profile changes during and after Herbst appliance treatment","volume":"16","author":"Pancherz\n H,","year":"1994","unstructured":"Pancherz\n H, \n \n Anehus-Pancherz\n M.\n \n \n Facial profile changes during and after Herbst appliance treatment. Eur J Orthod. 1994;16:275\u2013286."},{"key":"i0003-3219-86-6-1033-r5","series-title":"Eur J Orthod","first-page":"434","article-title":"Bite force and its association with stability following Class II\/1 functional appliance treatment","volume":"35","author":"Antonarakis\n GS,","year":"2013","unstructured":"Antonarakis\n GS, \n \n Kjellberg\n H, \n \n Kiliaridis\n S.\n \n \n Bite force and its association with stability following Class II\/1 functional appliance treatment. Eur J Orthod. 2013;35:434\u2013441."},{"key":"i0003-3219-86-6-1033-r6","series-title":"Am J Orthod Dentofacial Orthop","first-page":"15","article-title":"Thirty-two-year follow-up study of Herbst therapy: a biometric dental cast analysis","volume":"145","author":"Pancherz\n H,","year":"2014","unstructured":"Pancherz\n H, \n \n Bjerklin\n K, \n \n Lindskog-Stokland\n B, \n \n Hansen\n K.\n \n \n Thirty-two-year follow-up study of Herbst therapy: a biometric dental cast analysis. Am J Orthod Dentofacial Orthop. 2014;145:15\u201327."},{"key":"i0003-3219-86-6-1033-r7","series-title":"Angle Orthod","first-page":"181","article-title":"Long-term stability of orthodontic treatment and patient satisfaction. A systematic review","volume":"77","author":"Bondemark\n L,","year":"2007","unstructured":"Bondemark\n L, \n \n Holm\n AK, \n \n Hansen\n K, \n et al\n . Long-term stability of orthodontic treatment and patient satisfaction. A systematic review. Angle Orthod. 2007;77:181\u2013191."},{"key":"i0003-3219-86-6-1033-r8","series-title":"Angle Orthod","first-page":"112","article-title":"A cephalometric study of Class II relapse","volume":"43","author":"Herzberg\n R.","year":"1973","unstructured":"Herzberg\n R.\n \n \n A cephalometric study of Class II relapse. Angle Orthod. 1973;43:112\u2013118."},{"key":"i0003-3219-86-6-1033-r9","series-title":"Am J Orthod Dentofacial Orthop","first-page":"276","article-title":"Long-term stability of Angle Class II, division 1 malocclusions with successful occlusal results at end of active treatment","volume":"107","author":"Fidler\n BC,","year":"1995","unstructured":"Fidler\n BC, \n \n Artun\n J, \n \n Joondeph\n DR, \n \n Little\n RM.\n \n \n Long-term stability of Angle Class II, division 1 malocclusions with successful occlusal results at end of active treatment. Am J Orthod Dentofacial Orthop. 1995;107:276\u2013285."},{"key":"i0003-3219-86-6-1033-r10","series-title":"Am J Orthod Dentofacial Orthop","first-page":"299","article-title":"Retention and stability: a review of the literature","volume":"114","author":"Blake\n M,","year":"1998","unstructured":"Blake\n M, \n \n Bibby\n K.\n \n \n Retention and stability: a review of the literature. Am J Orthod Dentofacial Orthop. 1998;114:299\u2013306."},{"key":"i0003-3219-86-6-1033-r11","series-title":"Am J Orthod Dentofacial Orthop","first-page":"568","article-title":"Retrospective analysis of long-term stable and unstable orthodontic treatment outcomes","volume":"128","author":"Ormiston\n JP,","year":"2005","unstructured":"Ormiston\n JP, \n \n Huang\n GJ, \n \n Little\n RM, \n \n Decker\n JD, \n \n Seuk\n GD.\n \n \n Retrospective analysis of long-term stable and unstable orthodontic treatment outcomes. Am J Orthod Dentofacial Orthop. 2005;128:568\u2013574."},{"key":"i0003-3219-86-6-1033-r12","series-title":"Am J Orthod Dentofacial Orthop","first-page":"221","article-title":"Relapse visited\u2014again","volume":"142","author":"Dyer\n KC,","year":"2012","unstructured":"Dyer\n KC, \n \n Vaden\n JL, \n \n Harris\n EF.\n \n \n Relapse visited\u2014again. Am J Orthod Dentofacial Orthop. 2012;142:221\u2013227."},{"key":"i0003-3219-86-6-1033-r13","series-title":"J Clin Epidemiol","first-page":"1","article-title":"The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration","volume":"62","author":"Liberati\n A,","year":"2009","unstructured":"Liberati\n A, \n \n Altman\n DG, \n \n Tetzlaff\n J, \n et al\n . The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. J Clin Epidemiol. 2009;62:1\u201334."},{"key":"i0003-3219-86-6-1033-r14","series-title":"Clin Oral Implants Res","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12513","article-title":"Implant survival in 1- versus 2-implant mandibular overdentures: a systematic review and meta-analysis","author":"Srinivasan\n M,","year":"In press","unstructured":"Srinivasan\n M, \n \n Makarov\n NA, \n \n Herrmann\n FR, \n \n M\u00fcller\n F.\n \n \n Implant survival in 1- versus 2-implant mandibular overdentures: a systematic review and meta-analysis. Clin Oral Implants Res. doi:10.1111\/clr.12513. In press."},{"key":"i0003-3219-86-6-1033-r15","series-title":"CRD Report 4","article-title":"Undertaking systematic reviews of research and effectiveness, CRD\u2019s guidance for those carrying out or commissioning reviews","year":"2001","unstructured":"Centre for Reviews Disseminations, Undertaking systematic reviews of research and effectiveness, CRD\u2019s guidance for those carrying out or commissioning reviews. CRD Report 4 (2001)."},{"key":"i0003-3219-86-6-1033-r16","series-title":"Angle Orthod","first-page":"229","article-title":"Long-term stability of mandibular incisors following successful treatment of Class II, Division 1, malocclusions","volume":"66","author":"\u00c5rtun\n J,","year":"1996","unstructured":"\u00c5rtun\n J, \n \n Garol\n JD, \n \n Little\n RM.\n \n \n Long-term stability of mandibular incisors following successful treatment of Class II, Division 1, malocclusions. Angle Orthod. 1996;66:229\u2013238."},{"key":"i0003-3219-86-6-1033-r17","series-title":"Angle Orthod","first-page":"221","article-title":"Long-term effectiveness and treatment timing for bionator therapy","volume":"73","author":"Faltin\n KJ,","year":"2003","unstructured":"Faltin\n KJ, \n \n Faltin\n RM, \n \n Baccetti\n T, \n \n Franchi\n L, \n \n Ghiozzi\n B, \n \n McNamara\n JA\n Jr. \n \n Long-term effectiveness and treatment timing for bionator therapy. Angle Orthod. 2003;73:221\u2013230."},{"key":"i0003-3219-86-6-1033-r18","series-title":"J Orofac Orthop","first-page":"187","article-title":"Class II division 2 treatment\u2014does skeletal maturity influence success and stability","volume":"74","author":"Bock\n NC,","year":"2013","unstructured":"Bock\n NC, \n \n Ruf\n S.\n \n \n Class II division 2 treatment\u2014does skeletal maturity influence success and stability? J Orofac Orthop. 2013;74:187\u2013204."},{"key":"i0003-3219-86-6-1033-r19","series-title":"Angle Orthod","first-page":"257","article-title":"The effects of premolar extraction: a long-term comparison of outcomes in \u201cclear-cut\u201d extraction and nonextraction Class II patients","volume":"63","author":"Luppanapornlarp\n S,","year":"1993","unstructured":"Luppanapornlarp\n S, \n \n Johnston\n LE\n Jr. \n \n The effects of premolar extraction: a long-term comparison of outcomes in \u201cclear-cut\u201d extraction and nonextraction Class II patients. Angle Orthod. 1993;63:257\u2013272."},{"key":"i0003-3219-86-6-1033-r20","series-title":"Dental Press J Orthod","first-page":"42","article-title":"Stability of molar relationship after nonextraction Class II malocclusion treatment","volume":"18","author":"de Lima\n DV,","year":"2013","unstructured":"de Lima\n DV, \n \n de Freitas\n KM, \n \n de Freitas\n MR, \n \n Janson\n G, \n \n Henriques\n JF, \n \n Pinzan\n A.\n \n \n Stability of molar relationship after nonextraction Class II malocclusion treatment. Dental Press J Orthod. 2013;18:42\u201354."},{"key":"i0003-3219-86-6-1033-r21","series-title":"Eur J Orthod","first-page":"471","article-title":"Long-term effects of the Herbst appliance in relation to the treatment growth period: a cephalometric study","volume":"13","author":"Hansen\n K,","year":"1991","unstructured":"Hansen\n K, \n \n Pancherz\n H, \n \n H\u00e4gg\n U.\n \n \n Long-term effects of the Herbst appliance in relation to the treatment growth period: a cephalometric study. Eur J Orthod. 1991;13:471\u2013481."},{"key":"i0003-3219-86-6-1033-r22","series-title":"Am J Orthod Dentofacial Orthop","first-page":"25","article-title":"Effects of patient age on postorthodontic stability in Class II, division 1 malocclusions","volume":"105","author":"Harris\n EF,","year":"1994","unstructured":"Harris\n EF, \n \n Vaden\n JL, \n \n Dunn\n KL, \n \n Behrents\n RG.\n \n \n Effects of patient age on postorthodontic stability in Class II, division 1 malocclusions. Am J Orthod Dentofacial Orthop. 1994;105:25\u201334."},{"key":"i0003-3219-86-6-1033-r23","series-title":"Angle Orthod","first-page":"594","article-title":"Stability of Class II, division 1 treatment with the headgear-activator combination followed by the edgewise appliance","volume":"74","author":"Janson\n G,","year":"2004","unstructured":"Janson\n G, \n \n Caffer D de\n C, \n \n Henriques\n JF, \n \n de Freitas\n MR, \n \n Neves\n LS.\n \n \n Stability of Class II, division 1 treatment with the headgear-activator combination followed by the edgewise appliance. Angle Orthod. 2004;74:594\u2013604."},{"key":"i0003-3219-86-6-1033-r24","series-title":"Am J Orthod Dentofacial Orthop","first-page":"154.e1","article-title":"Long-term stability of Class II malocclusion treated with 2- and 4-premolar extraction protocols","volume":"136","author":"Janson\n G,","year":"2009","unstructured":"Janson\n G, \n \n Leon-Salazar\n V, \n \n Leon-Salazar\n R, \n \n Janson\n M, \n \n de Freitas\n MR.\n \n \n Long-term stability of Class II malocclusion treated with 2- and 4-premolar extraction protocols. Am J Orthod Dentofacial Orthop. 2009;136:154.e1\u2013154.e10."},{"key":"i0003-3219-86-6-1033-r25","series-title":"Am J Orthod Dentofacial Orthop","first-page":"16","article-title":"Treatment stability in patients with Class II malocclusion treated with 2 maxillary premolar extractions or without extractions","volume":"138","author":"Janson\n G,","year":"2010","unstructured":"Janson\n G, \n \n Camardella\n LT, \n \n Araki\n JD, \n \n de Freitas\n MR, \n \n Pinzan\n A.\n \n \n Treatment stability in patients with Class II malocclusion treated with 2 maxillary premolar extractions or without extractions. Am J Orthod Dentofacial Orthop. 2010;138:16\u201322."},{"key":"i0003-3219-86-6-1033-r26","series-title":"Orthodontics (Chic.)","first-page":"12","article-title":"Posttreatment stability in Class II nonextraction and maxillary premolar extraction protocols","volume":"13","author":"Janson\n G,","year":"2012","unstructured":"Janson\n G, \n \n Araki\n J, \n \n Camardella\n LT.\n \n \n Posttreatment stability in Class II nonextraction and maxillary premolar extraction protocols. Orthodontics (Chic.). 2012;13:12\u201321."},{"key":"i0003-3219-86-6-1033-r27","series-title":"Am J Orthod Dentofacial Orthop","first-page":"1","article-title":"A long-term comparison of nonextraction and premolar extraction edgewise therapy in \u201cborderline\u201d Class II patients","volume":"102","author":"Paquette\n DE,","year":"1992","unstructured":"Paquette\n DE, \n \n Beattie\n JR, \n \n Johnston\n LE\n Jr. \n \n A long-term comparison of nonextraction and premolar extraction edgewise therapy in \u201cborderline\u201d Class II patients. Am J Orthod Dentofacial Orthop. 1992;102:1\u201314."},{"key":"i0003-3219-86-6-1033-r28","series-title":"Br J Orthod","first-page":"198","article-title":"The effect of retention on the relapse of Class II Division 1 cases","volume":"10","author":"Wood\n CM.","year":"1983","unstructured":"Wood\n CM.\n \n \n The effect of retention on the relapse of Class II Division 1 cases. Br J Orthod. 1983;10:198\u2013202."},{"key":"i0003-3219-86-6-1033-r29","series-title":"J Appl Oral Sci","first-page":"24","article-title":"Oral myofunctional and electromyographic evaluation of the anterior suprahyoid muscles and tongue thrust in patients with Class II\/1 malocclusion submitted to first premolar extraction","volume":"5","author":"de Souza\n DR,","year":"2007","unstructured":"de Souza\n DR, \n \n Semechini\n TA, \n \n Kr\u00f6ll\n LB, \n \n Berzin\n F.\n \n \n Oral myofunctional and electromyographic evaluation of the anterior suprahyoid muscles and tongue thrust in patients with Class II\/1 malocclusion submitted to first premolar extraction. J Appl Oral Sci. 2007;5:24\u201328."},{"key":"i0003-3219-86-6-1033-r30","series-title":"J Appl Oral Sci","first-page":"226","article-title":"Oral myofunctional and electromyographic evaluation of the orbicularis oris and mentalis muscles in patients with Class II\/1 malocclusion submitted to first premolar extraction","volume":"16","author":"de Souza\n DR,","year":"2008","unstructured":"de Souza\n DR, \n \n Semechini\n TA, \n \n Kr\u00f6ll\n LB, \n \n Berzin\n F.\n \n \n Oral myofunctional and electromyographic evaluation of the orbicularis oris and mentalis muscles in patients with Class II\/1 malocclusion submitted to first premolar extraction. J Appl Oral Sci. 2008;16:226\u2013231."},{"key":"i0003-3219-86-6-1033-r1","series-title":"Angle Orthod","first-page":"240","article-title":"Long-term stability of dental relationships after orthodontic treatment","volume":"53","author":"Udhe\n MD,","year":"1983","unstructured":"Udhe\n MD, \n \n Sadowsky\n C, \n \n BeGole\n EA.\n \n \n Long-term stability of dental relationships after orthodontic treatment. Angle Orthod. 1983;53:240\u2013252."},{"key":"i0003-3219-86-6-1033-r2","series-title":"Am J Orthod Dentofacial Orthop","first-page":"220","article-title":"The nature of Class II relapse after Herbst appliance treatment: a cephalometric long-term investigation","volume":"100","author":"Pancherz\n H.","year":"1991","unstructured":"Pancherz\n H.\n \n \n The nature of Class II relapse after Herbst appliance treatment: a cephalometric long-term investigation. Am J Orthod Dentofacial Orthop. 1991;100:220\u2013233."},{"key":"i0003-3219-86-6-1033-r3","series-title":"Am J Orthod Dentofacial Orthop","first-page":"510","article-title":"The headgear effect of the Herbst appliance: a cephalometric long-term study","volume":"103","author":"Pancherz\n H,","year":"1993","unstructured":"Pancherz\n H, \n \n Anehus-Pancherz\n M.\n \n \n The headgear effect of the Herbst appliance: a cephalometric long-term study. Am J Orthod Dentofacial Orthop. 1993;103:510\u2013520."},{"key":"i0003-3219-86-6-1033-r4","series-title":"Eur J Orthod","first-page":"275","article-title":"Facial profile changes during and after Herbst appliance treatment","volume":"16","author":"Pancherz\n H,","year":"1994","unstructured":"Pancherz\n H, \n \n Anehus-Pancherz\n M.\n \n \n Facial profile changes during and after Herbst appliance treatment. Eur J Orthod. 1994;16:275\u2013286."},{"key":"i0003-3219-86-6-1033-r5","series-title":"Eur J Orthod","first-page":"434","article-title":"Bite force and its association with stability following Class II\/1 functional appliance treatment","volume":"35","author":"Antonarakis\n GS,","year":"2013","unstructured":"Antonarakis\n GS, \n \n Kjellberg\n H, \n \n Kiliaridis\n S.\n \n \n Bite force and its association with stability following Class II\/1 functional appliance treatment. Eur J Orthod. 2013;35:434\u2013441."},{"key":"i0003-3219-86-6-1033-r6","series-title":"Am J Orthod Dentofacial Orthop","first-page":"15","article-title":"Thirty-two-year follow-up study of Herbst therapy: a biometric dental cast analysis","volume":"145","author":"Pancherz\n H,","year":"2014","unstructured":"Pancherz\n H, \n \n Bjerklin\n K, \n \n Lindskog-Stokland\n B, \n \n Hansen\n K.\n \n \n Thirty-two-year follow-up study of Herbst therapy: a biometric dental cast analysis. Am J Orthod Dentofacial Orthop. 2014;145:15\u201327."},{"key":"i0003-3219-86-6-1033-r7","series-title":"Angle Orthod","first-page":"181","article-title":"Long-term stability of orthodontic treatment and patient satisfaction. A systematic review","volume":"77","author":"Bondemark\n L,","year":"2007","unstructured":"Bondemark\n L, \n \n Holm\n AK, \n \n Hansen\n K, \n et al\n . Long-term stability of orthodontic treatment and patient satisfaction. A systematic review. Angle Orthod. 2007;77:181\u2013191."},{"key":"i0003-3219-86-6-1033-r8","series-title":"Angle Orthod","first-page":"112","article-title":"A cephalometric study of Class II relapse","volume":"43","author":"Herzberg\n R.","year":"1973","unstructured":"Herzberg\n R.\n \n \n A cephalometric study of Class II relapse. Angle Orthod. 1973;43:112\u2013118."},{"key":"i0003-3219-86-6-1033-r9","series-title":"Am J Orthod Dentofacial Orthop","first-page":"276","article-title":"Long-term stability of Angle Class II, division 1 malocclusions with successful occlusal results at end of active treatment","volume":"107","author":"Fidler\n BC,","year":"1995","unstructured":"Fidler\n BC, \n \n Artun\n J, \n \n Joondeph\n DR, \n \n Little\n RM.\n \n \n Long-term stability of Angle Class II, division 1 malocclusions with successful occlusal results at end of active treatment. Am J Orthod Dentofacial Orthop. 1995;107:276\u2013285."},{"key":"i0003-3219-86-6-1033-r10","series-title":"Am J Orthod Dentofacial Orthop","first-page":"299","article-title":"Retention and stability: a review of the literature","volume":"114","author":"Blake\n M,","year":"1998","unstructured":"Blake\n M, \n \n Bibby\n K.\n \n \n Retention and stability: a review of the literature. Am J Orthod Dentofacial Orthop. 1998;114:299\u2013306."},{"key":"i0003-3219-86-6-1033-r11","series-title":"Am J Orthod Dentofacial Orthop","first-page":"568","article-title":"Retrospective analysis of long-term stable and unstable orthodontic treatment outcomes","volume":"128","author":"Ormiston\n JP,","year":"2005","unstructured":"Ormiston\n JP, \n \n Huang\n GJ, \n \n Little\n RM, \n \n Decker\n JD, \n \n Seuk\n GD.\n \n \n Retrospective analysis of long-term stable and unstable orthodontic treatment outcomes. Am J Orthod Dentofacial Orthop. 2005;128:568\u2013574."},{"key":"i0003-3219-86-6-1033-r12","series-title":"Am J Orthod Dentofacial Orthop","first-page":"221","article-title":"Relapse visited\u2014again","volume":"142","author":"Dyer\n KC,","year":"2012","unstructured":"Dyer\n KC, \n \n Vaden\n JL, \n \n Harris\n EF.\n \n \n Relapse visited\u2014again. Am J Orthod Dentofacial Orthop. 2012;142:221\u2013227."},{"key":"i0003-3219-86-6-1033-r13","series-title":"J Clin Epidemiol","first-page":"1","article-title":"The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration","volume":"62","author":"Liberati\n A,","year":"2009","unstructured":"Liberati\n A, \n \n Altman\n DG, \n \n Tetzlaff\n J, \n et al\n . The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. J Clin Epidemiol. 2009;62:1\u201334."},{"key":"i0003-3219-86-6-1033-r14","series-title":"Clin Oral Implants Res","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12513","article-title":"Implant survival in 1- versus 2-implant mandibular overdentures: a systematic review and meta-analysis","author":"Srinivasan\n M,","year":"In press","unstructured":"Srinivasan\n M, \n \n Makarov\n NA, \n \n Herrmann\n FR, \n \n M\u00fcller\n F.\n \n \n Implant survival in 1- versus 2-implant mandibular overdentures: a systematic review and meta-analysis. Clin Oral Implants Res. doi:10.1111\/clr.12513. In press."},{"key":"i0003-3219-86-6-1033-r15","series-title":"CRD Report 4","article-title":"Undertaking systematic reviews of research and effectiveness, CRD\u2019s guidance for those carrying out or commissioning reviews","year":"2001","unstructured":"Centre for Reviews Disseminations, Undertaking systematic reviews of research and effectiveness, CRD\u2019s guidance for those carrying out or commissioning reviews. CRD Report 4 (2001)."},{"key":"i0003-3219-86-6-1033-r16","series-title":"Angle Orthod","first-page":"229","article-title":"Long-term stability of mandibular incisors following successful treatment of Class II, Division 1, malocclusions","volume":"66","author":"\u00c5rtun\n J,","year":"1996","unstructured":"\u00c5rtun\n J, \n \n Garol\n JD, \n \n Little\n RM.\n \n \n Long-term stability of mandibular incisors following successful treatment of Class II, Division 1, malocclusions. 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