Suhad M Ali’s scientific contributions

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Publications (1)


Figure 2: Mean values of the degree of asymmetry for genders in both groups.
The relationship of facial asymmetry and bite force to handedness in Iraqi adult sample
  • Article
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October 2021

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22 Reads

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1 Citation

Mustansiria Dental Journal

Hayder A Kadhim

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F Hayder

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Suhad M Ali

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Facial asymmetry either functional and/or structural is a normal finding in clinically symmetrical faces. The aim of this study was to investigate the relationship of the amount and direction of facial asymmetry in clinically symmetrical faces with class I normal occlusion to handedness, and to discover if there is any relation for occlusal bite force with handedness and facial asymmetry in Iraqi Arab adult sample. The sample included 60 untreated Iraqi adult persons, 30 right handers, 30 left handers and each group consisted of 15 males and 15 females, with age range 18-25 years. For each subject a posteroanterior radiograph was taken, and then a maximum molar bite force was measured digitally in the first molar area on each side. All subjects showed skeletal asymmetry although they have normal occlusion, and it was significantly greater in right handers than in left handers (P<0.05). In right-handers, the mean facial area on the left side was significantly greater than that on the right side (P=0.000). In left handers, the mean facial area on the right side was found to be significantly greater than that on the left side only in females (P=0.004). The bite force, in both groups, was larger in males than in females, with significant difference in right handers (P=0.03) and highly significant difference in left handers (P=0.001). Facial dimensions tend to be larger in males than in females. Skeletal asymmetry was highly correlated to handedness. Bite force was independent of handedness with significantly greater molar bite force in males than females.

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Citations (1)


... M any children with m ixed biting have got intra-arch asym m etries that is m ore serious and is observed m ore often in transversal plane than in anterior-posterior [31], som e -hair lip nasal deform ation [32,33]. D entists from Iraq em phasize that norm al occlusion at face skeletal asym m etry in 100% of the exam ined w as found to be reliably m ore expressed in the right-handers than in the left-handers [34]. ...

Reference:

TO THE QUESTION ON «PATHOLOGICAL ASYMMETRY» STUDY
The relationship of facial asymmetry and bite force to handedness in Iraqi adult sample

Mustansiria Dental Journal