Relationship of maxilla to cranial base in different facial types–a cephalometric evaluation

Rana, Tarun; Khanna, Rohit; Tikku, Tripti; Sachan, Kiran

doi:10.1016/s2212-4268(12)60008-6

Cited by 8 publications

(4 citation statements)

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“…Further studies have shown that the correlation between the two values was probably high due to topographical factors, most likely the rotation of the SN plane [ 12 , 17 ]; thus the SN value was deemed an unreliable indicator. As a result, it has been suggested that the position of the maxilla is likely to be determined more by genetic or epigenetic factors rather than directly by the cranial base [ 29 ]. In our study, we did not find any correlation between SBaFH and SNA (P > 0.05) and only a weak correlation between NSBa and SNA (r = -0.372, P < 0.001) (Table 3 ).…”

Section: Discussionmentioning

confidence: 99%

The relationship between the cranial base and jaw base in a Chinese population

Chin¹,

Perry

Liao

et al. 2014

Head Face Med

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IntroductionThe cranial base plays an important role in determining how the mandible and maxilla relate to each other. This study assessed the relationship between the cranial base and jaw base in a Chinese population.MethodsThis study involved 83 subjects (male: 27; female: 56; age: 18.4 ± 4.2 SD years) from Hong Kong, who were classified into 3 sagittal discrepancy groups on the basis of their ANB angle. A cephalometric analysis of the angular and linear measurements of their cranial and jaw bases was carried out. The morphological characteristics of the cranial and jaw bases in the three groups were compared and assessments were made as to whether a relationship existed between the cranial base and the jaw base discrepancy.ResultsSignificant differences were found in the cranial base angles of the three groups. Skeletal Class II cases presented with a larger NSBa, whereas skeletal Class III cases presented with a smaller NSBa (P < 0.001). In the linear measurement, skeletal Class III cases presented with a shorter NBa than skeletal Class I and II cases (P < 0.01). There was a correlation between the cranial base angle NSBa and the SNB for the whole sample, (r = -0.523, P < 0.001). Furthermore, correlations between SBaFH and Wits (r = -0.594, P < 0.001) and SBaFH and maxillary length (r = -0.616, P < 0.001) were more obvious in the skeletal Class III cases.ConclusionsThe cranial base appears to have a certain correlation with the jaw base relationship in a southern Chinese population. The correlation between cranial base and jaw base tends to be closer in skeletal Class III cases.

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Section: Discussionmentioning

confidence: 99%

The relationship between the cranial base and jaw base in a Chinese population

Chin¹,

Perry

Liao

et al. 2014

Head Face Med

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“…A correlation was discovered between rotation and shape of the upper and lower jaws 22 , as well as between sagittal, vertical and transverse relationships of jaw bases in normal occlusion 23 . A variety of sagittal skeletal relations between the jaws was recorded in individuals with normal occlusion 24 , as well as interaction and compensation patterns emerging from the position of the jaws, the overjet and the incisor inclination 25 .…”

Section: Introductionmentioning

confidence: 88%

Study of craniofacial relations and facial types in Greek population with normal occlusion

Sidiropoulou¹

2015

Balkan J Dent Med

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“…The three groups were as follows: 6 Group A-Normodivergent: The subjects in this group had normal mandibular plane angle, average anterior lower face height equal to the upper face height, normal Y-axis of growth, Jarabak ratio between 62% and 65%.…”

Section: Methodsmentioning

confidence: 99%

Assessment of Beta Angle among the various Facial Types in Garhwali Population - A Cephalometric Evaluation

et al. 2013

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Objective: The purpose of the study was to evaluate Beta (β) angle variation in different facial types among Garhwali population and also to evaluate the differences in Beta angle in male and female subgroups. Materials & Method:The sample included pre-treatment lateral cephalograms of 90 native Garhwali subjects (age 16-24 years) who were divided into three groups: normodivergent, hypodivergent and hyperdivergent; of 30 subjects of each group 15 were male and 15 were female. Result:In Garhwali population subjects with a β angle between 28° to 32° have a normodivergent facial type (ANOVA p < 0.01). Conclusion:There is a significant difference in the mean values of β angle in Garhwali population among various facial types.Key words: Beta angle, hyperdivergent, hypodivergent, normodivergent ABSTRACT IntroductionOver the years diagnosis and treatment planning in orthodontics and dentofacial orthopaedics have relied substantially on technological and mechanical aids. These technological aids include imaging, articulators, jaw tracking and functional analyses. The goal in using these techniques is to accurately replicate or portray the "anatomic truth" to show the three dimensional anatomy in both static and dynamic function as it exists in nature. Imaging is one of the most ubiquitous tools orthodontists use to measure and record the size and form of craniofacial structures. Imaging has traditionally been used to record the status quo of limited or grouped anatomic structures. Any cephalometric analysis based on either angular or linear measurements has various shortcomings. Reliability of these parameters is questionable due to problems encountered in identification, reproducibility and effects of changes in occlusion and rotation of jaws during growth. 5 This angle does not depend on any cranial landmarks or dental occlusion and reflects true antero-posterior changes as a result of growth and orthodontic intervention. Furthermore, it is not influenced by changes in occlusion thus it would be Dr P Narayana Prasad, 1 Dr Rubina Ansari, 2 Dr Tarun Rana, 3 Dr Nimme Rawat 4

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Relationship of maxilla to cranial base in different facial types–a cephalometric evaluation

Cited by 8 publications

References 8 publications

The relationship between the cranial base and jaw base in a Chinese population

The relationship between the cranial base and jaw base in a Chinese population

Study of craniofacial relations and facial types in Greek population with normal occlusion

Assessment of Beta Angle among the various Facial Types in Garhwali Population - A Cephalometric Evaluation

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