EFFECTS OF CERVICAL HEADGEAR APPLIANCE: A SYSTEMATIC REVIEW

Effects of cervical headgear appliance: a systematic review

OBJECTIVE: Although much has been investigated about the effects of cervical headgear, there remains some controversy.Therefore, the objective of this systematic review is to disclose the actual effects of the cervical headgear appliance, based on articles of relevant quality.METHODS: A literature review was conducted using PubMed, Web of Science,

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(E)-3-(2-Chlorophenyl)-1-(4,4′′-difluoro-5′-methoxy-1,1′:3′,1′′-terphenyl-4′-yl)prop-2-en-1-one

The title compound, C28H19ClF2O2, is a polysubstituted terphenyl derivative bearing a Michael system in Blindfolds which the C=C double bond has an E conformation.In the crystal, C—H.Cl and C—H.O contacts connect the molecules into layers lying perpendicular to the a axis.The shortest intercentroid distance between symmetry-rela

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