Variability associated with mandibular buccal shelf area width and height in subjects with different growth pattern, sex, and growth status

Gandhi, Vaibhav; Upadhyay, Madhur; Tadinada, Aditya; Yadav, Sumit

doi:10.1016/j.ajodo.2019.11.020

Cited by 17 publications

(29 citation statements)

References 21 publications

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“…Regarding MBS measurements, our results show that the buccal alveolar bone thickness increased from the anterior to the posterior region and from the crest edge to the mandibular roots, corroborating the findings of Gandhi et al 14 and Liu et al 21 However, some differences were found among the facial groups evaluated. We expected that there would be differences between the more extreme facial types, favoring the short-faced subjects, as demonstrated in a recent study by Gandhi et al 14 However, both the short- and long-faced subjects presented similar conditions for placing an extra-alveolar miniscrew. In all six of the evaluated sites, mesocephalic subjects presented less bone than did the other two groups; three out of six evaluated sites showed statistically significant differences.…”

Section: Discussionsupporting

confidence: 91%

“…We expected that the brachy- cephalic individuals would present with larger values in both the IZC and MBS measurements, in particular, relative to those of the dolichocephalic group; however, the long-faced subjects presented with values similar to those of the short-faced group. One possible explanation for these results being different from those of Gandhi et al 14 may be the difference in the population strata used for sampling; however, these authors did not report the details of their sampling or measurement methodology. Facial morphology varies between populations.…”

Section: Discussioncontrasting

confidence: 73%

“…Based on previous studies, 12 - 14 we expected to find significant differences among the placement sites, favoring the brachycephalic group; however, such differences were not observed in the present study in the IZC at any insertion height ( Table 3 ).…”

Section: Discussioncontrasting

confidence: 43%

“…7,9,10 For the IZC, the region between the first and second molars is the most frequently recommended site. 8 Previous studies have shown differences among short-, average-, and long-faced patients in the thickness of the cortical bone 11,12 and in the total bucco-lingual width of the alveolar bone, 13,14 favoring short-faced individuals. Consequently, the thickness of the MBS and IZC, which comprise both cortical bone and alveolar bone, may vary, depending on facial type.…”

Section: Introductionmentioning

confidence: 99%

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Miniscrew insertion sites of infrazygomatic crest and mandibular buccal shelf in different vertical craniofacial patterns: A cone-beam computed tomography study

et al. 2021

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Objective To identify optimal areas for the insertion of extra-alveolar miniscrews into the infrazygomatic crest (IZC) and mandibular buccal shelf (MBS), using cone beam computed tomography (CBCT) imaging in patients with different craniofacial patterns. Methods CBCT reconstructions of untreated individuals were used to evaluate the IZC and MBS areas. The participants were divided into three groups, based on the craniofacial pattern, namely, brachyfacial (n = 15; mean age, 23.3 years), mesofacial (n = 15; mean age, 19.24 years), and dolichofacial (n = 15; mean age, 17.79 years). In the IZC, the evaluated areas were at 11, 13, and 15 mm above the buccal cusp tips of the right and left first molars. In the MBS, the evaluated areas were at the projections of the first molars’ distal roots and second molars’ mesial and distal roots, at a 4- and 8-mm distance from the cementoenamel junction. Intergroup comparisons were performed with analysis of variance and the Tukey test. Results There was no statistically significant difference in the IZC bone thickness among the groups. For MBS bone availability, some comparisons revealed no difference; meanwhile, other comparisons revealed increased MBS bone thickness in the brachyfacial (first molars distal roots) and dolichofacial (second molars mesial and distal roots) patterns. Conclusions There was no significant difference in the IZC bone thickness among the groups. The facial skeletal pattern may affect the availability of ideal bone thickness for the insertion of extra-alveolar miniscrews in the MBS region; however, this variability is unlikely to be clinically meaningful.

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Section: Discussionsupporting

confidence: 91%

Section: Discussioncontrasting

confidence: 73%

Section: Discussioncontrasting

confidence: 43%

Section: Introductionmentioning

confidence: 99%

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Miniscrew insertion sites of infrazygomatic crest and mandibular buccal shelf in different vertical craniofacial patterns: A cone-beam computed tomography study

et al. 2021

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“…Many recent studies investigate implant stability [52][53][54] since mini-implant loss requires new screw insertion and is associated with patient's dissatisfaction. Interestingly, mini-implants introduced through guides, primarily 3D guides, are characterized by superior biomechanical features over those introduced manually.…”

Section: Discussionmentioning

confidence: 99%

Guided Insertion of Temporary Anchorage Device in Form of Orthodontic Titanium Miniscrews with Customized 3D Templates—A Systematic Review with Meta-Analysis of Clinical Studies

Jedliński

Janiszewska‐Olszowska

Mazur

et al. 2021

Coatings

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(1) Background: Miniscrew insertion, using a surgical guide, aims to avoid possible adverse effects or complications. With the higher availability of both 3D imaging and printing, 3D surgical guides have been used more frequently in orthodontics. The aim of the present systematic review was to find scientific clinical evidence concerning the precision of the 3D guided insertion of miniscrews for temporary orthodontic anchorage. (2) Methods: Literature searches were performed in the following five search engines: Pubmed (Medline), Pubmed Central, Scopus, Web of Science and Embase on 10 September 2021 (articles from 1950 to 10 September 2021). A meta-analysis was performed using the random-effect model, with Standardized Mean Differences (SMD) and 95% confidence intervals (95% CI) calculated as effect estimates. The heterogeneity was assessed quantitatively. (3) Results: The search strategy identified 671 potential articles. After the removal of duplicates, 530 articles were analyzed. Subsequently, 487 papers were excluded, because they were not associated with the subject of the study. Of the remaining 43 papers, 34 were excluded because they did not meet the methodological criteria. Finally, only nine papers were subjected to a qualitative analysis. (4) Conclusions: The current literature concerning guided miniscrew insertion reveals, for the most part, a low methodological level. High-quality clinical trials are in the minority. The use of surgical guides increases insertion accuracy, stability and reduces the failure rate of orthodontic miniscrews. Tooth-borne insertion guides supported on the edges of the teeth ensure a higher insertion precision compared to mucosa-borne ones. The study protocol was registered in PROSPERO under the number CRD42021267248.

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Mandibular Buccal Region

Fan,

Liu,

et al. 2023

Clinical Insertion Techniques of Orthodontic Temporary Anchorage Devices

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Variability associated with mandibular buccal shelf area width and height in subjects with different growth pattern, sex, and growth status

Cited by 17 publications

References 21 publications

Miniscrew insertion sites of infrazygomatic crest and mandibular buccal shelf in different vertical craniofacial patterns: A cone-beam computed tomography study

Miniscrew insertion sites of infrazygomatic crest and mandibular buccal shelf in different vertical craniofacial patterns: A cone-beam computed tomography study

Guided Insertion of Temporary Anchorage Device in Form of Orthodontic Titanium Miniscrews with Customized 3D Templates—A Systematic Review with Meta-Analysis of Clinical Studies

Mandibular Buccal Region

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