Sella turcica bridging a diagnostic marker for impacted canines and supernumerary teeth

Divya, S; Urala, Arun Srinivas; Prasad, GLakshmi; Pentapati, KalyanC

doi:10.4103/jioh.jioh_276_17

Cited by 11 publications

(13 citation statements)

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“…In another study, Leonardi et al [ 28 ] stated that a sella turcica bridge is more frequent in subjects with dental transposition than in the control group. Similar results have been reported by other authors who investigated correlations between sella turcica bridging and dental abnormalities using lateral and panoramic radiographs [ 21 , 23 , 24 , 25 , 26 , 27 , 29 ].…”

Section: Resultssupporting

confidence: 90%

“…All the studies included refer to sella turcica bridging. It is evident that the prevalence of this sella type (considered as an abnormality) is very high in the groups of patients without dental abnormalities (control groups) of the cephalometric studies included, ranging from 25% [ 25 ] to 57% [ 26 ]. Moreover, it should be noticed that, even in the CBCT study included [ 22 ], sella turcica bridging occurred in 50% of the control group.…”

Section: Resultsmentioning

confidence: 99%

“…Concerning dental abnormalities, the authors of the studies included analyzed the following: palatally displaced canines [ 21 , 22 , 27 ], impaction or transposition of canines or premolars [ 23 ], congenitally missing lateral incisors [ 24 ], impacted canines and hyperdontia [ 25 ], impacted canines [ 26 ], dental agenesis [ 26 , 29 ], hyperdontia [ 26 ], maxillary or mandibular dental transposition [ 28 ], congenitally missing second mandibular premolars or the presence of palatally displaced canines [ 30 ]. Thus, in most studies, the study groups were non-homogenous.…”

Section: Resultsmentioning

confidence: 99%

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Sella Turcica Morphology on Cephalometric Radiographs and Dental Abnormalities—Is There Any Association?—Systematic Review

Jankowski

Jedliński

Grocholewicz

et al. 2021

IJERPH

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Background: The sella turcica is a saddle-like structure in the middle cranial fossa on the intracranial surface of the sphenoid bone, visible on lateral cephalograms routinely conducted for orthodontic diagnosis. The development of facial structures follows similar traits to the sella turcica: glandular anomalies may be associated with functional disorders, e.g., altered hormonal levels, thus influencing dental development. The aim of this study is to find out if there is any association between the morphology of the sella turcica on cephalometric radiographs and the presence of dental abnormalities. (2) Methods: The search was conducted on 27 January 2021 in four search engines: Medline (PubMed Central), Scopus, Web of Science, Embase. The keywords used in the search strategy were as follows: “sella turcica” AND (“dental abnormalities” OR “dental anomalies” OR “malocclusion”). Since all the studies finally included were retrospective case–control studies, the Newcastle–Ottawa Quality Assessment Form for Case–Control Studies was applied. (3) Results: The search strategy identified 465 articles: 289 from PubMed, 121 from Scopus, 32 from Web of Science and 23 from Embase. Finally, 10 full-text papers were included into qualitative analysis. (4) Conclusions: Sella turcica bridging is very frequent among orthodontic patients. A clear association exists between dental abnormalities and sella turcica bridging.

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Section: Resultssupporting

confidence: 90%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Sella Turcica Morphology on Cephalometric Radiographs and Dental Abnormalities—Is There Any Association?—Systematic Review

Jankowski

Jedliński

Grocholewicz

et al. 2021

IJERPH

View full text Add to dashboard Cite

show abstract

“…Kucia et al [ 5 ] added three other variants of sellar dysmorphology to the classification: hypertrophic posterior clinoid process, hypotrophic posterior clinoid process, and oblique contour of the floor. The most commonly investigated anomaly of sella turcica is sella turcica bridging [ 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 ]. Bridging is described as a fusion of anterior and posterior clinoid processes [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

“…A higher prevalence of sella turcica bridging has been reported in subjects with dental abnormalities (6.45–33.30%) [ 13 , 16 , 22 , 23 , 24 , 25 , 26 , 27 ]. A recent meta-analysis [ 28 ] confirmed a clear association between dental abnormalities and sella turcica bridging on cephalometric radiographs.…”

Section: Introductionmentioning

confidence: 99%

Sella Turcica Abnormalities, Dental Age and Dental Abnormalities in Polish Children

Jankowski

Jedliński

Schmeidl

et al. 2021

IJERPH

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The frequency of some sella turcica abnormalities on cephalometric radiographs is age related. Chronological age might not overlap with growth; however, no studies could be found on the association between sellar morphology and dental age. Although an association exists between sella turcica bridging and dental abnormalities, no studies have been found correlating sellar abnormalities other than bridging with dental abnormalities. The aim of this study was to find any correlations between sella turcica abnormalities and dental age or dental abnormalities. Methods: Lateral cephalograms and panoramic radiographs of 206 children aged 6–15 years were analyzed for sela turcica abnormalities, Demirijan dental age, and dental abnormalities. Results: The prevalence of dental abnormalities in patients with sela turcica abnormalities was 16.98%, while in those with normal sella, it was 3%. The differences between dental and chronological age were higher in patients with sella turcica abnormalities (p = 0.002). Dental abnormalities were more prevalent (p = 0.001) in patients with sellar abnormalities other than sellar bridging than in those with sellar bridging or normal sella. Conclusions: Sella turcica abnormalities are correlated with delayed dental age. Dental abnormalities are more frequent in patients with sellar abnormalities. Dental abnormalities are less frequent in subjects with sellar bridges compared to those with other sellar abnormalities.

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A morphological study on the sphenoid bone ligaments’ ossification pattern

Piagkou,

Fiska,

Tsakotos

et al. 2023

Surg Radiol Anat

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Purpose The sphenoid bone (SB) extracranial ligaments (ECRLs) are the pterygoalar and pterygospinous ligaments (PTAL and PTSL) that are located at the SB lateral pterygoid plate, and inferior to the foramen ovale (FO). Their ossification may affect the mandibular nerve’s distribution. The intracranial ligaments’ (ICRLs) ossification (the caroticoclinoid ligament—CCLL, the anterior and posterior interclinoid ligaments—AICLL and PICLL) may impede the approaches to the sella. This study highlights the incidence of the ossified ECRLs and ICRLs location, their type (partial, or complete), considering laterality, gender, age, and ligaments’ simultaneous presence. Methods The sample consisted of 156 Greek adult dried skulls of both genders and variable age. Results Ossified ligaments were identified in 57.05%, predominantly extracranially (42.31%, P = 0.003). ECRLs were predominantly identified unilaterally (30.13%, P < 0.001). The majority of the ossified ICRLs were predominantly identified in male skulls (31.1%, P = 0.048) and the majority of the ECRLs (52.8%, P = 0.028) were predominantly identified at the age of 60 years and above. The PTAL was the most ossified (32.69%), followed by the CCLL (24.36%), the PTSL (16.03%), the PICLL (6.41%), and the AICLL (4.49%). Conclusions Detailed knowledge of the SB morphology and ligaments’ ossification extent is essential to improve the technique of the FO percutaneous approach, and sellar approaches, to minimize complications.

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Sella turcica bridging a diagnostic marker for impacted canines and supernumerary teeth

Cited by 11 publications

References 1 publication

Sella Turcica Morphology on Cephalometric Radiographs and Dental Abnormalities—Is There Any Association?—Systematic Review

Sella Turcica Morphology on Cephalometric Radiographs and Dental Abnormalities—Is There Any Association?—Systematic Review

Sella Turcica Abnormalities, Dental Age and Dental Abnormalities in Polish Children

A morphological study on the sphenoid bone ligaments’ ossification pattern

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