Failure rates of miniscrews inserted in the maxillary tuberosity

Anchorage conservation in orthodontics has always been a challenge. The aim of this current study was to find out the failure rate of miniscrews inserted in the maxillary tuberosity (MT) region. This pilot study consisted of 40 patients (23 female, 17 male; mean age = 20.1±8.9 years) that had receiv...

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Bibliographic Details
Published in:Dental press journal of orthodontics 2019-01, Vol.24 (5), p.46-51
Main Authors: Azeem, Muhammad, Haq, Arfan Ul, Awaisi, Zubair Hassan, Saleem, Muhammad Mudassar, Tahir, Muhammad Waheed, Liaquat, Ahmad
Format: Article
Language:English
Subjects:
Adolescent
Adult
Bone Screws
Child
Dentistry
DENTISTRY, ORAL SURGERY & MEDICINE
Failure
Female
Humans
Inflammation
Male
Maxilla
Maxillofacial surgery
Miniscrews
Oral hygiene
Original
Orthodontic Anchorage Procedures
Orthodontics
Pilot Projects
Regression analysis
Success
Surgery
Teeth
Transplants & implants
Tuberosity
Young Adult
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Summary:Anchorage conservation in orthodontics has always been a challenge. The aim of this current study was to find out the failure rate of miniscrews inserted in the maxillary tuberosity (MT) region. This pilot study consisted of 40 patients (23 female, 17 male; mean age = 20.1±8.9 years) that had received 60 MT miniscrews for orthodontic treatment. Clinical notes and pictures were used to find out the primary outcome of miniscrew failure. Independent failure factors were also investigated. Logistic regression analysis was done for predictor's relation with MT miniscrews failure. There was no significant correlation in failure rate according to various predictor variables, except for miniscrews installed by lesser experienced operators, which showed significantly more failure. The odds ratio for miniscrew failure placed by inexperienced operators was 4.16. A 26.3% failure rate of mini-implants inserted in the MT region was observed.
ISSN:2176-9451
2177-6709
2177-6709
DOI:10.1590/2177-6709.24.5.046-051.oar