Dental photography Flashcards
Intraoral…
simple , lightweight , small & no need for mirrors
subpar image quality
Point & shoot..
Lightweight , small & lower cost
not upgradable & inconsistent magnification
DSLR
provide more light options
high image quality
upgradable
heavy & expensive
Camera body…
10 MP resolution
APS-C sensor
3 lcd screen
macro lens
85-105mm
have magnification markings on it
cant be zoom
twin flash..
good at mounting bracket
Mirrors
Buccal (wide) : quadrant , buccal & lingual surfaces
Occlusal XL : mandibular & maxillary occlusal
frontal surface is coated to prevent double image
keep it warm
use biggest mirror
never placed it on
Reflectors..
used to hold cheeks off of tooth of buccal surface
Anterior contraster
used at anterior shots to black out background
enhance translucency
used in conjunction with retractor
DSLR options
shutter speed : 60-250 iso:100-400 JPEG or RAW f/8 : full scale f/32 : intraoral
Exposure mode
M : manual & AF : aprature priorty
Flash mode
eTTL & advanced users use maual flash
Focus mode
manual focus : MF
mouth is too dark to make autofocus work properly
magnification
is changed by rotating lense barrel macro lens have markings on it 1:!5 : full scale images 1:3 : intraoral images 1:!:5: close up images
Full smile frontal view
Magnification ratio : 1:2- 1:3
Patient O. : head perpendicular to floor
Patient O. : HEAD & UPPER OCCLUSAL // to floor
Photo. comp. : lips at center , focus on canine
camera angle : lens is perepndicular to front of face
Light source : twin-ring-strobe
Full smile lateral view ( RT lateral)
similar to frontal view except:-
Photo comp. : focus on lateral incisor
Camera angle : lens perependicular to front of face & RT canine
Full smile lateral view (Lt lateral)
similar to RT but :-
camera angle : instead of RT canine , Lt canine
Maxillary-mandibular retracted frontal view
magnification ratio : 1:2-1:3
Patient orientation same as pervious but:-
1) max. intercuspation - 2-3 seperation
2) retractors should be firmly pulled
Photo. comp. :
1) central incisor at the center
2) focus on central incisor vertically focused
3) midline of face at the middle
4) incisal edge of upper teeth
5) gingiva should be evident
