Mini Implants in Orthodontics-A Review

Sripradha, S.; Pandian, Saravana

doi:10.5958/0974-360x.2018.00486.9

Cited by 7 publications

(5 citation statements)

References 7 publications

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“…This finding is similar to those of studies conducted by Lim et al (2008), Kim et al (2009) and Chen et al (2006) who found a direct correlation between mini-implant's length and pull-out strength. The longer mini-implants have more threads to engage in the bone and thereby have increased pull-out strength (Sripradha and Pandian, 2018).…”

Section: Discussionmentioning

confidence: 99%

Effect of placement angle, diameter, length and bone density on the pull-out strength of orthodontic mini-implants: An in vitro study

et al. 2021

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Objective: To evaluate the effect of the placement angle, diameter, length and bone density on the mechanical stability of orthodontic mini-implants by measuring their pull-out strengths. Design: A total of 120 mini-implants of four different dimensions made from titanium were used. They measured 1.3 × 6.0mm, 1.3 × 8.0 mm, 1.5 × 6.0 mm and 1.5 × 8.0 mm. Synthetic polyurethane bone blocks (Saw Bones, USA) in two different densities were used. Setting: Each size of mini-implant was inserted equidistantly into synthetic bone blocks of two different densities, in three different insertion angles of 30°, 60° and 90°. This resulted in 24 test groups with five mini-implants allocated to each group. Methods: The pull-out strength was measured using an Instron Universal Testing Machine exerting a vertical force parallel to the long axis of the mini-implant until removal or failure occurred. Peak load at failure of the mini-implant was recorded in kN. Results: Showed that mini-implants placed at an insertion angle of 30° offered least resistance to pull-out. Mini-implants 6.0 mm in length showed less pull-out strength compared to the longer 8.0-mm mini-implants. Mini-implants 1.3 mm in diameter provided similar pull-out values as 1.5-mm mini-implants. Bone densities of 0.20 g/cc and 0.32 g/cc did not affect the pull-out strength of mini-implants. Conclusion: From the study, it was concluded that a logical choice of mini-implant dimension and prudent use of placement technique can help achieve the treatment goals with a reduced hazard of mini-implant failure.

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Section: Discussionmentioning

confidence: 99%

Effect of placement angle, diameter, length and bone density on the pull-out strength of orthodontic mini-implants: An in vitro study

et al. 2021

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“…Because of anatomical variation among individuals, potential insertion sites should always be evaluated on an individual basis. 3 Liu, H., Wu, X et al 23 The Lower 6 distobuccal root-Lower 7mesio mesiobuccal root region should be the first choice for miniscrew implantation in the Mandibular Buccal Shelf for the distalization of mandibular dentition. 4 Ghosh 19 The self-drilling screw is directed at 90 • to the occlusal plane at this point.…”

Section: Conflicts Of Interestmentioning

confidence: 99%

“…2 Gracco et al 40 According to the thickest vertical bone is located 3-4mm distal to the incisive foramen and 3mm paramedian to the palatal suture. It is also suggests that midpalatal suture might appear to be the best insertion site, 3 Heymann, G.C 41 the mentalis region is better suited for miniscrews and miniplates. 4 Choi et al 11 The palatal vault is deep, miniscrews with a length about 6-7 mm would be best for fixing miniscrew implants in the U1-U2 and U2-U3 regions.…”

Section: Conflicts Of Interestmentioning

confidence: 99%

“…The incorporation of mini implants into orthodontic treatment planning has allowed for predictable anchorage control and has increased the ability to correct severe skeletal and dental discrepancies. 3 Despite the great interest in anchorage control with Mini Implants, 4 Placing the mini-implant without root injury or puncturing important local anatomical structures is of utmost importance to an orthodontist; thus finding safe zones placing mini implants carefully in different regions has become an area of interest to lot of clinicians. Thus multiple literature has come up with saze zones protocol for mini implant placement at different regions.…”

Section: Introductionmentioning

confidence: 99%

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Mini implant ‘Safe Zones’ in orthodontics: A comprehensive review

Anbarasu¹,

Ramesh

Annamalai³

et al. 2022

ADR

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In prosthetic dentistry the quality of life of patients with tooth loss have been significantly enhanced with the use of dental implants likewise in Orthodontics mini implants has been instrumental in expanding the envelope of treatment possibility. The incorporation of mini implants into orthodontic treatment planning has allowed for predictable anchorage control and has increased the ability to correct severe skeletal and dental discrepancies. Despite the great interest in anchorage control with Mini Implants, the safe implantation of the mini implant in different regions is of major concern. Thus learning about the anatomy and safe zones for placing Mini Implants are of paramount importance.

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“…Conclusion was that both mini implants and utility arch could be used to attain good amounts of incisor intrusion, mini implants produce true intrusion without any other ill-effects (Jain et al, 2014). Mini implants were introduced to control tooth movements in a precise manner during orthodontic treatment for correcting bite problems which otherwise would require surgery like superior impaction (Sripradha and Pandian, 2018).…”

Section: Introductionmentioning

confidence: 99%

Prevalence of Gummy Smiles in Leptoprosopic Patients and Various Treatment Modalities Employed in South Indian Population

Solanki

Babu

Nivethigaa

et al. 2020

ijrps

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Patients with a vertical growth pattern have a tendency for a long face and gummy smile due to the clockwise rotation of the mandible and ensuing divergence of maxillary bases. A patient can be said to have a gummy smile when there is gingival exposure of 3mm or more while smiling. A gummy smile is unaesthetic and warrants correction. The common treatment modalities employed for correction are dental intrusion and surgery. The study aimed to determine the number of patients with leptoprosopic facial patterns having gummy smiles and the various treatments for its correction. The objective of this study was to determine whether all leptoprosopic patients have a tendency towards gummy smiles and the treatment plan most commonly used for its correction. Records from the Department of Orthodontics were retrieved and searched for the patients with leptoprosopic facial type. Only 42 patient records were eligible according to the selection criteria of which (n=22) were females and (n= 20) were males. Selection criteria included patients who had a long face with facial index between 90-94%, on cephalometric evaluation female patients with upper dental facial height >27.4+/-1.7 mm and male patients >30.5+/-2.1. The results showed that the patients with leptoprosopic facial patterns had a tendency towards gummy smiles and the treatment plan most commonly used for its correction in the Department of Orthodontics in Saveetha dental college was skeletal intrusion using dental mini implants and IZC. Other treatment modalities included Le-Fort Superior Impaction of maxilla in severe cases. Association between gender the various treatments employed for gummy smile correction was statistically insignificant. (p>0.05). We can conclude that gummy smile and facial patterns have a positive correlation.

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Mini Implants in Orthodontics-A Review

Cited by 7 publications

References 7 publications

Effect of placement angle, diameter, length and bone density on the pull-out strength of orthodontic mini-implants: An in vitro study

Effect of placement angle, diameter, length and bone density on the pull-out strength of orthodontic mini-implants: An in vitro study

Mini implant ‘Safe Zones’ in orthodontics: A comprehensive review

Prevalence of Gummy Smiles in Leptoprosopic Patients and Various Treatment Modalities Employed in South Indian Population

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