Skeletal Anchorage using Mini-implants in the Maxillary Tuberosity Region

Venkateswaran, Sundaram; George, Ashwin Mathew; Anand, MK; Devi, VR Shobbana; Vora, Sheelkumar R; Krishnaswamy, N.

doi:10.1177/0974909820130409

Cited by 6 publications

(7 citation statements)

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“…The findings of the present study showed that MT miniscrews have lower success rate (73.7%) than that of the miniscrew inserted at other intraoral sites. This is in agreement with Venkateswaran et al, 8 , 9 who found that MT miniscrews show comparatively high failure rates. A 21.8% failure rate of miniscrews inserted in the infrazygomatic area was found in recently conducted study, 24 and another study found a 7% failure rate of miniscrews inserted in the extra-alveolar buccal shelf area 25 .…”

Section: Discussionsupporting

confidence: 92%

“…Sung et al 16 recommended using a relatively long miniscrew with a diameter of 1.3 - 1.5 mm in atypical sites like MT.Lee and Baek 23 showed that miniscrews with a diameter of 1.5mm or more can cause greater trauma to the cortical bone, with a negative effect on alveolar bone remodeling and miniscrew stability. Therefore, we chose subjects having MT miniscrew with a diameter of 1.3 to 1.5 mm and a length of 8 to 10mm, which is in accordance with other available studies on MT miniscrews 9 16 , 23 …”

Section: Discussionmentioning

confidence: 99%

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Failure rates of miniscrews inserted in the maxillary tuberosity

Azeem

Haq²,

Awaisi

et al. 2019

Dental Press J. Orthod.

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Introduction: Anchorage conservation in orthodontics has always been a challenge. Objective: The aim of this current study was to find out the failure rate of miniscrews inserted in the maxillary tuberosity (MT) region. Methods: 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. Results: 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. Conclusion: A 26.3% failure rate of mini-implants inserted in the MT region was observed.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Failure rates of miniscrews inserted in the maxillary tuberosity

Azeem

Haq²,

Awaisi

et al. 2019

Dental Press J. Orthod.

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“… 5 6 7 The utilization of miniscrews inserted into the buccal interdental alveolar bone, maxillary tuberosity, and palatal area for the distalization of upper molars has also been reported. 8 9 10 Furthermore, combinations of conventional maxillary molar distalizing appliances and skeletal anchorages such as miniscrew-assisted pendulum appliances have been proposed. 11 12 13 All of these treatment modalities produce similar but different dental effects, with potentially varying levels of convenience for both clinicians and patients.…”

Section: Introductionmentioning

confidence: 99%

Analysis of midpalatal miniscrew-assisted maxillary molar distalization patterns with simultaneous use of fixed appliances: A preliminary study

et al. 2016

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Skeletal anchorage-assisted upper molar distalization has become one of the standard treatment modalities for the correction of Class II malocclusion. The purpose of this study was to analyze maxillary molar movement patterns according to appliance design, with the simultaneous use of buccal fixed orthodontic appliances. The authors devised two distinct types of midpalatal miniscrew-assisted maxillary molar distalizers, a lingual arch type and a pendulum type. Fourteen patients treated with one of the two types of distalizers were enrolled in the study, and the patterns of tooth movement associated with each type were compared. Pre- and post-treatment lateral cephalograms were analyzed. The lingual arch type was associated with relatively bodily upper molar distalization, while the pendulum type was associated with distal tipping with intrusion of the upper molar. Clinicians should be aware of the expected tooth movement associated with each appliance design. Further well designed studies with larger sample sizes are required.

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“…But the failure rates of inter-radiculary inserted mini-implants are considered still too high (Sch€ atzle et al 2009). For that reason, alternative insertion regions were investigated such as the maxillary tuberosity (Venkateswaran et al 2011), the zygomatic buttress (Erverdi et al 2007), or the retromolar region in of the mandible (Musilli et al 2010). The palatal region as insertion site for endosseous implants was introduced by Triaca et al in (1992).…”

mentioning

confidence: 99%

“…For that reason, alternative insertion regions were investigated such as the maxillary tuberosity (Venkateswaran et al. ), the zygomatic buttress (Erverdi et al. ), or the retromolar region in of the mandible (Musilli et al.…”

mentioning

confidence: 99%