{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T02:40:55Z","timestamp":1788230455782,"version":"build-2803163510"},"reference-count":52,"publisher":"The Angle Orthodontist (EH Angle Education & Research Foundation)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec id=\"st1\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To compare the amount of en-masse retraction with or without piezocision corticotomy, to assess the type of tooth movement, to evaluate root integrity after retraction, and to record reported pain levels.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"st2\">\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>This randomized, controlled clinical trial included 26 orthodontic patients requiring premolar extraction. The patients were divided into two groups: (1) an extraction with piezocision corticotomy group (PCG) and (2) an extraction-only group, which served as the control group (CG). Cone-beam computed tomography images were acquired before and 4 months after the initiation of en-masse retraction utilizing miniscrews. The following variables were assessed: the amount of en-masse retraction, incisor inclination, incisor and canine root resorption, and patient-reported pain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"st3\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Twelve and 11 participants completed the entire study in the PCG and CG, respectively. The amount of en-masse retraction was significantly greater in the PCG compared to the CG (mean = 4.8 \u00b1 0.57 mm vs 2.4 \u00b1 0.33 mm, respectively [\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001]). There was also significantly less tipping and root resorption of incisors in the PCG (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05). The reported pain was significantly higher on the first day in the PCG compared to the CG (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001); however, it became similar between the groups after 24 hours.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"st4\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Piezocision corticotomy enhanced the amount of en-masse retraction two times more with less root resorption. However, future studies are required to assess the long-term effects of this technique.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2319\/092719-615.1","type":"journal-article","created":{"date-parts":[[2020,3,26]],"date-time":"2020-03-26T17:52:36Z","timestamp":1585245156000},"page":"648-654","source":"Crossref","is-referenced-by-count":24,"title":["Effect of piezocision corticotomy on en-masse retraction:"],"prefix":"10.2319","volume":"90","author":[{"given":"Abdulkarim A.","family":"Hatrom","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khalid H.","family":"Zawawi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reem M.","family":"Al-Ali","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanadi M.","family":"Sabban","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Talal M.","family":"Zahid","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ghassan A.","family":"Al-Turki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali H.","family":"Hassan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1164","reference":[{"key":"i0003-3219-90-5-648-b01","series-title":"Am J Orthod Dentofacial Orthop","first-page":"652","article-title":"Factors associated with patient and parent satisfaction after orthodontic treatment: a systematic review","volume":"148","author":"Pach\u00eaco-Pereira","year":"2015","unstructured":"Pach\u00eaco-Pereira\n              C,\n            \n            \n              Pereira\n              JR,\n            \n            \n              Dick\n              BD,\n            \n            \n              Perez\n              A,\n            \n            \n              Flores-Mir\n              C.\n            \n          \n          Factors associated with patient and parent satisfaction after orthodontic treatment: a systematic review.\n\t\t\t\t\tAm J Orthod Dentofacial Orthop.\n\t\t\t\t\t2015;\n\t\t\t\t\t148:\n\t\t\t\t\t652\u2013\n\t\t\t\t\t659."},{"issue":"(suppl 4)","key":"i0003-3219-90-5-648-b02","series-title":"Am J Orthod Dentofacial Orthop","first-page":"S65","article-title":"Patients', parents', and orthodontists' perceptions of the need for and costs of additional procedures to reduce treatment time","volume":"145","author":"Uribe","year":"2014","unstructured":"Uribe\n              F,\n            \n            \n              Padala\n              S,\n            \n            \n              Allareddy\n              V,\n            \n            \n              Nanda\n              R.\n            \n          \n          Patients', parents', and orthodontists' perceptions of the need for and costs of additional procedures to reduce treatment time.\n\t\t\t\t\tAm J Orthod Dentofacial Orthop.\n\t\t\t\t\t2014;\n\t\t\t\t\t145(suppl 4):\n\t\t\t\t\tS65\u2013\n\t\t\t\t\tS73."},{"key":"i0003-3219-90-5-648-b03","series-title":"J Orthod Sci","first-page":"28","article-title":"En masse retraction versus two-step retraction of anterior teeth in extraction treatment of bimaxillary protrusion","volume":"2","author":"Felemban","year":"2013","unstructured":"Felemban\n              NH,\n            \n            \n              Al-Sulaimani\n              FF,\n            \n            \n              Murshid\n              ZA,\n            \n            \n              Hassan\n              AH.\n            \n          \n          En masse retraction versus two-step retraction of anterior teeth in extraction treatment of bimaxillary protrusion.\n\t\t\t\t\tJ Orthod Sci.\n\t\t\t\t\t2013;\n\t\t\t\t\t2:\n\t\t\t\t\t28\u2013\n\t\t\t\t\t37."},{"key":"i0003-3219-90-5-648-b04","series-title":"Semin Orthod","first-page":"286","article-title":"Accelerating tooth movement with corticotomies: is it possible and desirable?","volume":"18","author":"Buschang","year":"2012","unstructured":"Buschang\n              PH,\n            \n            \n              Campbell\n              PM,\n            \n            \n              Ruso\n              S.\n            \n          \n          Accelerating tooth movement with corticotomies: is it possible and desirable?\n          \n            Semin Orthod\n          \n          2012;\n\t\t\t\t\t18:\n\t\t\t\t\t286\u2013\n\t\t\t\t\t294."},{"key":"i0003-3219-90-5-648-b05","series-title":"Am J Orthod Dentofacial Orthop","first-page":"16","article-title":"Magnitude of orthodontic forces and rate of bodily tooth movement. 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time","volume":"145","author":"Uribe","year":"2014","unstructured":"Uribe\n              F,\n            \n            \n              Padala\n              S,\n            \n            \n              Allareddy\n              V,\n            \n            \n              Nanda\n              R.\n            \n          \n          Patients', parents', and orthodontists' perceptions of the need for and costs of additional procedures to reduce treatment time.\n\t\t\t\t\tAm J Orthod Dentofacial Orthop.\n\t\t\t\t\t2014;\n\t\t\t\t\t145(suppl 4):\n\t\t\t\t\tS65\u2013\n\t\t\t\t\tS73."},{"key":"i0003-3219-90-5-648-b03","series-title":"J Orthod Sci","first-page":"28","article-title":"En masse retraction versus two-step retraction of anterior teeth in extraction treatment of bimaxillary protrusion","volume":"2","author":"Felemban","year":"2013","unstructured":"Felemban\n              NH,\n            \n            \n              Al-Sulaimani\n              FF,\n            \n            \n    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