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103 Cards in this Set
- Front
- Back
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fotanelles fuse/ossify
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2 year
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0-3 dimensions compared to adult size: transverse vs. ap vs. Vd
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closest to adult size, ap- growth rates of maxilla and mandible, vertical dimension least developed
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when do all nerve cells develop by
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8 month in utero
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cranial vault vs. face in comparison to adult size
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CV closer to adult size that face
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cephalocaudal growth gradient
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cranial vault, maxilla, mandible
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tooth formation begins
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7 weeks in utero
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Calcificfication of all primary teeth
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by birth
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enamel of primary teeth complete
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1 year of age
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all primary teeth erupted
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24-36 months
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all roots of primary complate
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3 years
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tooth formation for permanent teeth
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1st molars, incisors, canines 3.5-6 months in utero
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calcification of first permanent molars
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birth
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calcification of all permanent teeth except molars
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3
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enamel of incisors and first molars
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5
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interdental spacing
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0-3 in incisor and primate region
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fear of strangers
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7 12
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Separation anxiety
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6 months, peaks around 13 18
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normal overbite
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1-2mm 20-30%
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normal overjet
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2-3mm
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age of maxillary anterior caries
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10 12
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fissure caries of molars(can be with anterior)
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13 15
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posterior proximal caries
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19-21
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what percent of 6mo-5 yr can have trouble sleeping
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one forth to one third
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what percent of babies can sleep through the night by 12 weeks
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two thirds
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what percent of children during their first year have an oral habit?
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90%
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most children cease oral habits by
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24-36 months
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if havent stopped by 3?
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less chance of quitting
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duration of sucking to affect occlusion
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4-6 hrs per day
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spontaneous cessation of oral habits majority by?
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4
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problems arise?
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4
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pacifier happens?
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earlier than digit, 90% before age 5, 100% before age 8
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Worry about oral habit
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before 1 - none, 2-3 only if change occlusion, 4-5 actively counsel
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what percent of open bites in primary close by when?
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90% by age 10
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mouth breathing normal for
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3-6 year olds, 50/50 before 8
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nail biting occurs
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onlder than 3-6
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avearge height at weight at 3
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38 inches, 33 lbs
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growth until 6
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4 inches in hieght, 5 lbs in weight
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3-6: head growth, limb, trunk
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head slow, limb fast, trunk medium
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spacing throughout until
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age 4 mesial drift of 2nd primary molars
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early mesial drift-IP space closed in primary dention on eruption of first permanent molars
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4 essentials of communication
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sender, message, context, reciever
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precoop exam
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CTNPDPp
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coop
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CTNPDPp and Succesive Approximation
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uncoop
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CTNPDPp SA + voice control
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precoop restorative
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CNPDPp + immobilization and pharm sedation
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Coop restoration
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CTNPDPp + SA + nitrous/O2
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uncoop rest
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CTNPDPa + SA+ Voice control
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Voice control
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ow,o,o
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HOME
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ow, ow, now
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Active immobilization non sedation
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ow,ow,o
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Passive imm non sed
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ow, ow, ow
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Act imm sed
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ow ow ow
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pass im sed
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ow ow ow
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conscious sedation
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ow ow w
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nitrous
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w w ow
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ga
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w w w
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O
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what dentist sees to justify treatment, assement of behavior
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p
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backed up with behavior note
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Remodeling theory
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periosteum = target of genetic activity,
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average 6 year old
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3'10, 48 lbs
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until year 12
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5% increase in hieght, 10 % increase in weight
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average 12 year old
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5ft 85 lbs
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body proporition at 6
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similar to adult hood
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Boys general taller and heavier than girls until age
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10 11
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neural and cranial growth compltee by?
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12
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jaw grwoth vs. cranium
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jaw is faster
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mandibular perm. Incisors are how much larger than primary?
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6mm
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intercanine distance increase in mandible?
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2-3mm
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maxillary perm larger
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7.6mm
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intercanine distance increase in maxilla?
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4mm
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mandible eruption
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centrals-close intedental space, laterals push canines disto-labially, come in from the lingual
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maxillay
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centrals close id space, and push canines distolabially leading to a diastma
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maxillary leeway
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2.2
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mandibular leeway
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4.8
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arch length decreases how much during late mesial shift?
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2-3mm
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late mesial shift leads to what molar relationship
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class I
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mixed into permanent molar relationships
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class1 > 2>3
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problems with mixed dention
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class II, posterior xbite, crowding
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tanaka johnson
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mandibular incisors /2 + 10.5, maxillary incisors/2 + 11 = canine and premolars
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Moyers
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use mandibular incisors to predict canines and premolars
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how can u address crowding in mixed dentition
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hold leeway space
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how can you change space avalaible
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distalize molars, procline incisors, expand palate, upright posterior teeth
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how can you change space required
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IP reduction, extract teeth, single tooth four premolars
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greatest space loss post extraction occurs when?
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4 8 months
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Effects of early tooth loss
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mandible worst than maxilla, 2nd molar worst than 1st, early worst than later, extraction in crowded worst than spaced
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1mm of bone takes how long ?
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4 5 months
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12+ growth spurt: males vs. females, when? Correlates with?
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earlier in females by 2 years, end correlates with menarche
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increase growth of maxilla effects the mandible by?
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autorotation down and back
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when do sutures begin to interdigitate
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during adolescences
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puberty effects on face
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acceleration of mandibular growth decrease convexity, apposition at chin point, growth of the mandible down and forward, increase vertical height of ramus accomodates maxillary vertical change
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shouldn’t have unerupted permanent teeth by what age?
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13
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all roots complete by 16
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caries risk as you progress through adolescents
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increasing number of permanent teeth, ip contacts, id spacing around premolars early(may not need bitewings)
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Skeletal/dental growth patterns in adolscents
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rapid/unpredictable/irregular, 35% vertical dimeonsion, 10-13 exfoliate 12 teeth, hormones/immune shift
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Skeletal problems of adolescence
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Transverse: posterior xbite, AP Skeletal class 2 and 3
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dental growth problems in adolescence
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crowding and malignment
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inter canine distance of a child
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<2.5cm
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IC distance of child/adult
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2.5-3
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IC adult
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3cm +
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pinching leads to what kind of marks?
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mirror image
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temperature and burns
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113-6hrs, 127-one minute, 130-30 seconds, 150-2 seconds-sensed hot at 109-115
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retinal hemmorrahge from birth trauma dissappears by?
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2 months
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common in accidental head injures
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epidural hematoma
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