The face begins to develop during the fourth week of

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14.The face begins to develop during the fourth week of pregnancy within the ___________ period.a.preimplantationb.embryonicc.fetald.proliferative____15.Teeth form from which of the following primordial layer(s)?
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____16.The external human face develops from the frontonasal process and which of the following branchial arches?____17.The development of a supernumerary (extra) tooth is considered to be due to which of the following causes?____18.Why is the mother’s dental health during pregnancy a concern for the baby?a.It is a genetic factor.b.Maternal infection can harm the child.c.It can cause tooth and jaw size discrepancies.d.The mother does not affect the dental health of the baby.____19.Which of the following processes is common to all of the bud, cap, and bell stages of tooth development?____20.The buds for the first permanent molars form at approximately____21.The oral epithelium will form which of the following during the cap stage of tooth development?____22.The root of the tooth is covered witha.cementum.b.dentin.c.enamel.d.pulp.____23.Which of the following is true of cementum?
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____24.The periodontium supports the teeth within the____25.The posterior portion of the tongue is formed by the ___________ branchial arch.____26.The cartilaginous projection anterior to the external opening of the ear is called thea.outer canthus.b.inner canthus.c.septum.d.tragus.____27.The ________ is the area between the two ridges running from under the nose to the midline of the upper lip.____28.The lips are outlined by the ______________, which is darker in color than the surrounding skin.____29.The ______________ is a distinct intraoral line of color change that can be seen in the tissue where the alveolar membrane meets with attached gingivae.____
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