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Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study

AIMS AND OBJECTIVES: Mini screws placed buccal to the maxillary first or second molars in the infra zygomatic crest (IZC) region can be used as anchors for various types of tooth movement. En masse distal movement of the maxillary dentition with IZC anchorage is routinely practiced nowadays as more...

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Autores principales: Ramsundar, Kavitha, Jain, Ravindra K, Balakrishnan, Nivethigaa
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer - Medknow 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10155877/
https://www.ncbi.nlm.nih.gov/pubmed/37153929
http://dx.doi.org/10.4103/jispcd.JISPCD_193_22
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author Ramsundar, Kavitha
Jain, Ravindra K
Balakrishnan, Nivethigaa
author_facet Ramsundar, Kavitha
Jain, Ravindra K
Balakrishnan, Nivethigaa
author_sort Ramsundar, Kavitha
collection PubMed
description AIMS AND OBJECTIVES: Mini screws placed buccal to the maxillary first or second molars in the infra zygomatic crest (IZC) region can be used as anchors for various types of tooth movement. En masse distal movement of the maxillary dentition with IZC anchorage is routinely practiced nowadays as more patients demand a non-extraction treatment and it should be evaluated. The goal of this study was to assess dentoalveolar and airway changes in individuals with class II malocclusion after en masse distal movement of the maxillary dentition utilizing infrazygomatic anchorage. MATERIALS AND METHODS: This prospective study included patients who required en masse distal movement of the maxillary dentition. Following initial leveling and aligning, mini screws were placed in the IZC region, and the maxillary arch was distalized en-masse. Pre (T0) and post distalization (T1) lateral cephalograms were traced for dentoalveolar and airway changes. Statistical tests were done with SPSS software. Shapiro-Wilk test for normality and paired T test for comparison between before and after en masse distalization were done. RESULTS: The changes in dental angular and linear measurements such as U1 to N-A, L1 to N-B and interincisal angle, U1 to N-A and U1 to point A distance, U1 to palatal plane, L1 to N-B, L1 to Apo line distance, U6 to PtV were statistically significant (P > 0.05). Linear parameters such as L1 to ApO line, upper airway, and lower airway were not statistically significant (<0.05). CONCLUSION: Class II div I malocclusions can be efficiently corrected without extractions using IZC anchorage by en masse distal movement of the maxillary dentition. Significant reduction in upper anterior inclination, intrusion of maxillary anterior teeth, and distal movement of the posterior teeth were noted. No changes in airway dimensions were noted.
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spelling pubmed-101558772023-05-04 Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study Ramsundar, Kavitha Jain, Ravindra K Balakrishnan, Nivethigaa J Int Soc Prev Community Dent Original Article AIMS AND OBJECTIVES: Mini screws placed buccal to the maxillary first or second molars in the infra zygomatic crest (IZC) region can be used as anchors for various types of tooth movement. En masse distal movement of the maxillary dentition with IZC anchorage is routinely practiced nowadays as more patients demand a non-extraction treatment and it should be evaluated. The goal of this study was to assess dentoalveolar and airway changes in individuals with class II malocclusion after en masse distal movement of the maxillary dentition utilizing infrazygomatic anchorage. MATERIALS AND METHODS: This prospective study included patients who required en masse distal movement of the maxillary dentition. Following initial leveling and aligning, mini screws were placed in the IZC region, and the maxillary arch was distalized en-masse. Pre (T0) and post distalization (T1) lateral cephalograms were traced for dentoalveolar and airway changes. Statistical tests were done with SPSS software. Shapiro-Wilk test for normality and paired T test for comparison between before and after en masse distalization were done. RESULTS: The changes in dental angular and linear measurements such as U1 to N-A, L1 to N-B and interincisal angle, U1 to N-A and U1 to point A distance, U1 to palatal plane, L1 to N-B, L1 to Apo line distance, U6 to PtV were statistically significant (P > 0.05). Linear parameters such as L1 to ApO line, upper airway, and lower airway were not statistically significant (<0.05). CONCLUSION: Class II div I malocclusions can be efficiently corrected without extractions using IZC anchorage by en masse distal movement of the maxillary dentition. Significant reduction in upper anterior inclination, intrusion of maxillary anterior teeth, and distal movement of the posterior teeth were noted. No changes in airway dimensions were noted. Wolters Kluwer - Medknow 2023-02-27 /pmc/articles/PMC10155877/ /pubmed/37153929 http://dx.doi.org/10.4103/jispcd.JISPCD_193_22 Text en Copyright: © 2023 Journal of International Society of Preventive and Community Dentistry https://creativecommons.org/licenses/by-nc-sa/4.0/This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.
spellingShingle Original Article
Ramsundar, Kavitha
Jain, Ravindra K
Balakrishnan, Nivethigaa
Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study
title Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study
title_full Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study
title_fullStr Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study
title_full_unstemmed Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study
title_short Dentoalveolar and Airway Changes Following En Masse Distal Movement of the Maxillary Dentition with Infrazygomatic Crest Anchorage: A Prospective Study
title_sort dentoalveolar and airway changes following en masse distal movement of the maxillary dentition with infrazygomatic crest anchorage: a prospective study
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10155877/
https://www.ncbi.nlm.nih.gov/pubmed/37153929
http://dx.doi.org/10.4103/jispcd.JISPCD_193_22
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