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78820

Prediction of root resorption and periodontal tissue changes associated with rapid molar intruder

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Last updated: 25 Dec 2024

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Abstract

Objective: Rapid molar intruder appliance (RMI), was used to close the anterior open bite by intruding upper and lower first molars. The aim of the present study was to investigate the amount of root resorption of first molars, as well as periodontal tissue changes associated with the application of RMI. Methods: Eleven female patients (mean age; 13-15 years) were included in the study. They had ANB angle average 5 degrees, with anterior open bite 1-3 mm. Root resorption and bone density were assessed using DBS win software, analyzing serial periapical radiographs of the first molars. Periodontal tissue changes were evaluated by measuring the probing depth, and sulcus bleeding and plaque indices. The records were compared with those of healthy, non- orthodontically moved first molars. Results: The upper first molar was intruded 1.9 mm, with 0.63 mm root resorption. While the lower molar intruded 0.5-0.7 mm, with root resorption of 0.7mm. No significant change in the periodontal variables was found. Conclusion: Rapid molar intruder is an efficient appliance for treating anterior open bite, causing minimal root resorption and maintaining the health of periodontium. The upper first molar is more favorable to be intruded, with significantly less apical root resorption, than the lower one.

DOI

10.21608/eos.2012.78820

Authors

First Name

Eman

Last Name

Elsayed

MiddleName

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Affiliation

Department of Orthodontics, Faculty of Oral and Dental medicine, Cairo University.

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Orcid

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First Name

Fatma

Last Name

Abdel-Aziz

MiddleName

-

Affiliation

Department of Orthodontics, Faculty of Oral and Dental medicine, El-Azhar University (Girl's branch).

Email

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City

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Orcid

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First Name

Mai

Last Name

Shafik

MiddleName

-

Affiliation

Oral medicine, Periodontology and Radiology Department, Faculty of Oral and Dental medicine, Misr international University.

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City

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Orcid

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Volume

42

Article Issue

December 2012

Related Issue

11777

Issue Date

2012-12-01

Receive Date

2012-07-18

Publish Date

2012-12-01

Page Start

33

Page End

49

Print ISSN

1110-435X

Online ISSN

2812-5258

Article File

EOS_Volume 42_Issue December 2012_Pages 33-49.pdf

PDF . 451.0kB

Link

https://eos.journals.ekb.eg/article_78820.html

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https://eos.journals.ekb.eg/service?article_code=78820

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3

Type

Original Article

Type Code

1,120

Publication Type

Journal

Publication Title

Egyptian Orthodontic Journal

Publication Link

https://eos.journals.ekb.eg/

MainTitle

Prediction of root resorption and periodontal tissue changes associated with rapid molar intruder

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Article

Created At

22 Jan 2023