Peds (mental Dental)| 123 QUESTIONS| WITH COMPLETE SOLUTIONS

when does tooth INITIATION "thickening" start in utero? Correct Answer: 6 weeks 4 plateus of stage 1 anesthesia 1. paresthesia: tingling 2. vasomotor: warm 3. drift: floating, 4. dream : eyes closed jaw sag Which is the target for nitrous? Correct Answer: drift:target analgesia for nitrous sedation drift and dream can last for hours failure in the INITIATION "thickening" step can cause? Correct Answer: congenitally missing teeth supernumerary *SAME AS BUD STAGE BUD CAP BELL apposition what time frame? Correct Answer: BUD - 8th week CAP- 9 weeks BELL- 11 weeks APPO- 14 weeks which TEETH come from the dental LAMINA: all ___ teeth and perm ____ Correct Answer: All primary teeth Perm MOLARS *rest of the perm teeth come from primary predecessor the enamel organ has OEE,IEE, SR and ENAMEL KNOT what does Enamel knot become? Correct Answer: cusp tips the dental papilla becomes? what is the dental follicle Correct Answer: dentin/pulp surrounding sac of enamel organ + dental papilla cyst/odontoma gemination/fusion dens in dente HAPPENS IN WHAT STAGE of TOOTH DEV? Correct Answer: CAP BELL STAGE "HISTODIFFERENTIATION" what does AMELOBLAST come from? what does ODONTOBLAST come from? Correct Answer: IEE - ameloblast Dental papilla - odontoblast DEFECTS in BELL "HISTODIFFERENTIATION" stage? Correct Answer: amelogenesis imperfecta dentinogenesis imperfecta BELL STAGE "MORPHODIFFERENTIATION" 11 weeks (same time as histo diff) defects here? Correct Answer: size/shape (peg lats/ macrodontia) Enamel hypoplasia enamel pearls concrescence WHAT STAGE OF DEV? Correct Answer: apposition direction of CALCIFICATION is fro mteh ___ to the cervical Correct Answer: cusp tip - cervical errors in MATURATION of teeth can result in? Correct Answer: hypomineralization fluorosis tetracycline staining TOOTH ERUPTION GENERALIZATION which one first: max vs mand sex? 2-3 rule? Correct Answer: mand first usually female first root erupts when 2/3 formed root takes 2-3 years to finish CALCIFICATION DATES (BABY) ? A: central D: 1st molar B: lateral C: canine E: second molar Correct Answer: A 14 weeks (D 15 weeks ) B 16 weeks C 17 weeks E 18 weeks *eruption is A,B,D,C,E calcification dates : perm teeth 6 1, L2(lower lateral), 3 U2 (upper lateral) 4 5 7 Correct Answer: Anomalies of tooth NUMBER what stage dev? most common supernumerary tooth in peds? Correct Answer: initiation/bud mesiodens: occurs at midline between tooth number 8 and 9 and most are PALATALLY positioned most common MISSING teeth (PERM)? Correct Answer: 3rd molars mand 2nd pre max lats max second pre most common MISSING primary tooth? Correct Answer: max lat Microdontia- small teeth Macrodontia what STAGE of DEV? Correct Answer: bell Fusion Gemination what STAGE of DEV? Correct Answer: cap