Dental Embryology, Histology, and Anatomy - Ch. 5 Exam Questions With Verified Answers.

EXAM STUDY MATERIALS July 23, 2024 4:26 PM Dental Embryology, Histology, and Anatom y - Ch. 5 Exam Questions With Verified Answers. What are the stages of Palatal Development? - answer✔✔1. Primary Palate F ormation 2. Secondary Palate Formation 3. Completion of Palate Orofacial structures develop during the ___ to ___ week of prenatal development. - answer✔✔4th - 12th week (Spanning the later embryonic period and early fetal period) When does formation of the palate begin? - answer✔✔5th week The palate is formed from what two separate embryonic structures? - answer✔✔1. Primary Palate 2. Secondary Palate What is the intermaxillary segment and when does it form? - answer✔✔Forms from fusion of the medial nas al process and this occurs the 5th -6th week What does the intermaxillary segment give rise to? - answer✔✔The primary palate When does the intermaxillary segment form? - answer✔✔5th-6th week Where does formation of the intermaxillary segment occur? - answer✔✔On the inside of the stomodeum The palate is fully closed by what week? - answer✔✔12th week Formation of the intermaxillary segment partially separates what cavities? - answer✔✔1. Oral Cavity Proper EXAM STUDY MATERIALS July 23, 2024 4:26 PM 2. Nasal Cavity The Primary Palate will form which part of the maxilla? - answer✔✔Anterior 1/3rd of the final palate (Small part of the hard palate anterior to the Incisive Foramen) Which teeth are part of the Primary Palate? - answer✔✔Maxillary Incisors In the 6th week, the bilateral maxillary processes give rise to _______. - answer✔✔2 Palatal Shelves In the 6th week, the _____ give rise to 2 Palatal Shelves. - answer✔✔Bilateral Maxillary Processes Where do the palatal shelves grow? - answer✔✔Inferiorly and Deep to the Stomodeum The shelves grow in a 1._____ direction along both sides of the developing 2._____. - answer✔✔1. Vertical 2. Tongue The tongue forms on the floor of the 1._____ and initially fills the common 2._____ and 3. _____ cavity. - answer✔✔1. Pharynx 2. Oral Cavity 3. Nasal Cavity When does the tongue move out of the way of the palatal shelves? - answer✔✔When the tongue muscles begin to function and contract. The two palatal shelves elongate and move toward each other and fuse to form the _____. - answe r✔✔Secondary Palate The Secondary Palate will give rise to what parts of the oral cavity? - answer✔✔1. Posterior 2/3rds of hard palate 2. Canines