Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force Applications

Purpose. This study is aimed to compare the effects of two different orthodontic forces on crevicular alkaline phosphatase activity, rate of tooth movement, and root resorption. Materials and Methods. Twelve female subjects of class II division 1 malocclusion participated. Maxillary canines with bo...

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Main Authors: Rohaya Megat Abdul Wahab, Maryati Md Dasor, Sahidan Senafi, Asma Alhusna Abang Abdullah, Zulham Yamamoto, Abdul Aziz Jemain, Shahrul Hisham Zainal Ariffin
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:International Journal of Dentistry
Online Access:http://dx.doi.org/10.1155/2013/245818
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author Rohaya Megat Abdul Wahab
Maryati Md Dasor
Sahidan Senafi
Asma Alhusna Abang Abdullah
Zulham Yamamoto
Abdul Aziz Jemain
Shahrul Hisham Zainal Ariffin
author_facet Rohaya Megat Abdul Wahab
Maryati Md Dasor
Sahidan Senafi
Asma Alhusna Abang Abdullah
Zulham Yamamoto
Abdul Aziz Jemain
Shahrul Hisham Zainal Ariffin
author_sort Rohaya Megat Abdul Wahab
collection DOAJ
description Purpose. This study is aimed to compare the effects of two different orthodontic forces on crevicular alkaline phosphatase activity, rate of tooth movement, and root resorption. Materials and Methods. Twelve female subjects of class II division 1 malocclusion participated. Maxillary canines with bonded fixed appliances acted as the tested teeth, while their antagonists with no appliances acted as the controls. Canine retraction was performed using nickel titanium coil spring that delivered forces of 100 gm or 150 gm to either side. Crevicular fluid was analyzed for ALP activity, and study models were casted to measure tooth movements. Root resorption was assessed using periapical radiographs before and after the force application. Results. ALP activity at the mesial sites peaked at week 1 for 150 gm group with significant differences when compared with the 100 gm group. Cumulative canine movements were significantly greater in the 150 gm force (2.10 ± 0.50 mm) than in the 100 gm force (1.57 ± 0.44 mm). No root resorption was in the maxillary canines after retraction. Conclusions. A force of 150 gm produced faster tooth movements and higher ALP activity compared with the 100 gm group and had no detrimental effects such as root resorption.
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spelling doaj-art-513bd0a2f3434348ae8196dbad94e9432025-02-03T01:31:33ZengWileyInternational Journal of Dentistry1687-87281687-87362013-01-01201310.1155/2013/245818245818Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force ApplicationsRohaya Megat Abdul Wahab0Maryati Md Dasor1Sahidan Senafi2Asma Alhusna Abang Abdullah3Zulham Yamamoto4Abdul Aziz Jemain5Shahrul Hisham Zainal Ariffin6Department of Orthodontics, Faculty of Dentistry, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, MalaysiaDepartment of Orthodontics, Faculty of Dentistry, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, MalaysiaSchool of Bioscience and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, MalaysiaDepartment of Orthodontics, Faculty of Dentistry, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, MalaysiaSchool of Bioscience and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, MalaysiaSchool of Mathematics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, MalaysiaSchool of Bioscience and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, MalaysiaPurpose. This study is aimed to compare the effects of two different orthodontic forces on crevicular alkaline phosphatase activity, rate of tooth movement, and root resorption. Materials and Methods. Twelve female subjects of class II division 1 malocclusion participated. Maxillary canines with bonded fixed appliances acted as the tested teeth, while their antagonists with no appliances acted as the controls. Canine retraction was performed using nickel titanium coil spring that delivered forces of 100 gm or 150 gm to either side. Crevicular fluid was analyzed for ALP activity, and study models were casted to measure tooth movements. Root resorption was assessed using periapical radiographs before and after the force application. Results. ALP activity at the mesial sites peaked at week 1 for 150 gm group with significant differences when compared with the 100 gm group. Cumulative canine movements were significantly greater in the 150 gm force (2.10 ± 0.50 mm) than in the 100 gm force (1.57 ± 0.44 mm). No root resorption was in the maxillary canines after retraction. Conclusions. A force of 150 gm produced faster tooth movements and higher ALP activity compared with the 100 gm group and had no detrimental effects such as root resorption.http://dx.doi.org/10.1155/2013/245818
spellingShingle Rohaya Megat Abdul Wahab
Maryati Md Dasor
Sahidan Senafi
Asma Alhusna Abang Abdullah
Zulham Yamamoto
Abdul Aziz Jemain
Shahrul Hisham Zainal Ariffin
Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force Applications
International Journal of Dentistry
title Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force Applications
title_full Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force Applications
title_fullStr Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force Applications
title_full_unstemmed Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force Applications
title_short Crevicular Alkaline Phosphatase Activity and Rate of Tooth Movement of Female Orthodontic Subjects under Different Continuous Force Applications
title_sort crevicular alkaline phosphatase activity and rate of tooth movement of female orthodontic subjects under different continuous force applications
url http://dx.doi.org/10.1155/2013/245818
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