mi procedures EXAM 5 (facial + nasal bones // zygo arches // mandible // TMJ)

spring 2025-2026

strongest facial bone in the sku;;

mandible

collim of LAT FACIAL BONES

6×10

collm of PA AXIAL (CALDWELL) FACIAL BONES

8×10

collim of WATERS FACIAL BONES

8×10

collim of MOD WATERS FACIAL BONE

8×10

collim of REVERSE WATERS

8×10

sid of LAT FACIAL BONES

40

sid of PA AXIAL (CALDWELL) FACIAL BONES

40

sid of WATERS FACIAL BONES

40

sid of MOD WATERS FACIAL BONE

40

sid of REVERSE WATERS

40

CR of LAT FACIAL BONES

mid btwn outer canthus + EAM (zygoma)

CR of PA AXIAL (CALDWELL) FACIAL BONES

15deg caudal exit NASION

CR of WATERS FACIAL BONES

perp exit ACANTHION

CR of MOD WATERS FACIAL BONE

perp exit ACANTHION

CR of REVERSE WATERS

30deg ceph enter ACANTHION FACIAL BONES

pat pos of LAT FACIAL BONES

seated

IPL perp

IOML para to transverse axis

pat pos of PA AXIAL (CALDWELL) FACIAL BONES

seated

nose + forehead on IR

OML perp IR

pat pos of WATERS FACIAL BONES

seated

37deg IR

MSP + MML perp

pat pos of MOD WATERS FACIAL BONES

seated

OML 50deg

head on chin

pat pos of REVERSE WATERS

supine

OML 37deg to IR

MML almost perp

what is this

LAT FACIAL BONES

what is this

PA AXIAL (CALDWELL) FACIAL BONES

what is this

WATERS FACIAL BONES

what is this

MOD WATERS FACIAL BONES

what is this

REVERSE WATERS FACIAL BONESsxcvv

structures shown for LAT FACIAL BONES

lat img of R + L supimp facial bones

frontal sinus

nasal bone

maxilla

mandible

orbital roof

greater sphenoid

sella turcica

condyles

ramus

structures shown for PA AXIAL (CALDWELL) FACIAL BONES

pet ridges in lower 1/3rd orbits

pet ridges supimp septum

frontal sinus

crista galli\pet ridges

ethmoid sinus

infraorbital margin

structures shown for WATERS FACIAL BONES

all of bony nasal + pet ridge below maxillary sinus

orbit

zygomatic arch

maxillary sinus

maxilla

pet rid

mandibular angle

structures shown for MOD WATERS FACIAL BONES

facial bones w/ less axial angle than waters

pet ridges below inf border of orbits

inf orbital margin

maxillary sinus

zygimatic sinus

petrous ridge

nasal

septum

mandible

structures shown for REVERSE WATERS

full bony nasal septum

pet ridges below maxillary sinus

collim of PA AXIAL CALDWELL — NASAL

5 × 5

collim of WATER NASAL BONES

5 × 5

collim of BOTH LAT NASAL BONES

3 × 3

CR of PA AXIAL CALDWELL NASAL BONES

15deg caudal exit NASION

CR of WATERS NASAL BONES

exit ACANTION

CR of BOTH LATERAL NASAL BONES

1 ½ dist from NASION

pat pos of PA AXIAL CALDWELL

seated

rest on nose + forehead

OML perp

pat pos of WATERS NASAL BONES

seated

OML 37deg

MML perp

pat pos of BOTH LATERAL NASAL BONES

seated

head lat

what is this

PA AXIAL CALDWELL NASAL BONES

what is this

WATERS NASAL BONES

what is this

BOTH LAT NASAL BONES

structures shown for PA AXAL CALDWELL NASAL BONES

pet ridges in lower third of orbits

pet ridges in septum

structures shown for WATERS NASAL BONES

full septum

pet ridges below floor of maxillary sinus

orbitszygo arch

max sinus

maxilla

pet ridges

mand angle

structures shown for BOTH LAT NASAL BONES

nasofrontal suture

nasal bone

ant nasal spine of maxilla

in paretoacanthial waters nasal bones the _____ is best demonstrated

VOMER

in lat nasal bones make sure to remove what

GRID

in waters zygomatic arches , lateral tips of the zygomatic arches show

SHOWS POTENTIAL FRACTURES

collim of SMV ZYGOMATIC ARCHES

8×10 CW

collim of PARIETOACANTHIAL (WATERS) — ZYGO ARCHES

8×10

collim of OBL INFSUP (TANGENTIAL) — ZYGO ARCHES

6×10

collim of AP AXIAL (MOD TOWN) — ZYGO ARCHES

8×10 CW

CR of SMV ZYGOMATIC ARCHES

CR perp tp IOML

1’’ post to outer canthus

CR of PARIETOACANTHIAL (WATERS) — ZYGO ARCHES

CR perp exiting acanthion

CR of OBL INFSUP (TANGENTIAL) — ZYGO ARCHES

CR perp to IOML

1’’ post outer canthus

CR of AP AXIAL (MOD TOWN) — ZYGO ARCHES

35 deg caudal (no mod)

1’’ above glabella (modified)

• 37caudal if IOML perp

pat pos of SMV ZYGOMATIC ARCHES

sup/seated

hyperextend neck to rest head on vertex

MSP perp + IOML parallel

pat pos of PARIETOACANTHIAL (WATERS) — ZYGO ARCHES

prone/seat

rest head on chin

MSP + MML perp

pat pos of OBL INFSUP (TANGENTIAL) — ZYGO ARCHES

sup/seated

hyperextend neck to rest head on vertex

MSP rot 15 to side affected

tilt head 15deg away from side affected

pat pos of AP AXIAL (MOD TOWN) — ZYGO ARCHES

sup/seated

MSP + OML perp

what is this

SMV ZYGOMATIC ARCHES

what is this

PARIETOACANTHIAL (WATERS) — ZYGO ARCHES

what is this

OBL INFSUP (TANGENTIAL) — ZYGO ARCHES

what is this

AP AXIAL (MOD TOWN) — ZYGO ARCHES

structures shown of SMV ZYGOMATIC ARCHES

arches beyond parietal eminences (if not flat or depressed)

zygomatic arc

temporal process of zygoma

structures shown of PARIETOACANTHIAL (WATERS) — ZYGO ARCHES

sym zygo araches

pet rid below max sinus

structures shown of OBL INFSUP (TANGENTIAL) — ZYGO ARCHES

SIDE DOWN zygo arches free of supimp

BEST FOR DEPRESSED FRACTURES /F:AT CHEEKBONES

temporal process of zygo bone

temporal bone

structures shown of AP AXIAL (MOD TOWN) — ZYGO ARCHES

sym AP axial bilat adrches

mandibular ramus

collim of AXIOLAT OBL (MODI LAW) — TMJ

8×10 CW

collim of AXIOLAT (SCHULLER) — TMJ

8×10 CW

collim of AP AXIAL (MODI TOWN) — TMJ

8×10 CW

CR of AXIOLAT OBL (MODI LAW) — TMJ

CR 15deg caudad

2’’ post + 2’’ above top of EAM

CR of AXIOLAT (SCHULLER) — TMJ

25deg caudad

exit EAM close to IR

CR of AP AXIAL (MODI TOWN) — TMJ

35deg caudal

enter 3’’ above nasion + pass thru EAM(TMJ)

pat pos of AXIOLAT OBL (MODI LAW) — TMJ

prone/seat erect

AML perp

rot head to IR until MSP 15deg

pat pos of AXIOLAT (SCHULLER) — TMJ

prone/seat erect

head lat

pat pos of AP AXIAL (MODI TOWN) — TMJ

sup/upr

MSP + OML perp

what is this — TMJ

AXIOLAT OBL (MODI LAW)

what is this — TMJ

AXIOLAT (SCHULLER)

what is this — TMJ

AP AXIAL (MODI TOWN)

structures shown of AXIOLAT OBL (MODI LAW) — TMJ

aff side

condyle lying in mandibular fossa in (CLOSED MOUTH)

condyle lying inferior to articular tubercle in (OPEN MOUTH)

structures shown of AXIOLAT (SCHULLER) — TMJ

mastoid antrum

int+ext acoustic eatuses

petrou portion

mastoid process

mandibular condyle

structures shown of AP AXIAL (MODI TOWN) — TMJ

condyle + ramus (CLOSED) and (OPEN)

condyle

ramus

collim of PA MANDIBLE — MANDIBLE

8×10

collim of AP//PA AXIAL — MANDIBLE

8×10 (AP AXIAL CWWWW)

collim of MODI PAREITALACANTHIAL (MODI WATER) — MANDIBLE

8×10

collim of R//L AXIOLAT OBL — MANDIBLE

8×10

collim of SMV — MANDIBLE

8×10

CR of PA — MANDIBLE

ramus (EXIT ACANTHION)

body (EXIT LIP)

CR of AP//PA AXIAL — MANDIBLE

AP AXIAL (35deg caudal 3’’ ABOVE NASION + PASSING THRU EAM)

PA AXIAL ramus (20-25 ceph EXIT ACANTHION)
PA AXIAL body (30deg ceph EXIT MID TMJ)

CR of MODI PAREITALACANTHIAL (MODI WATER) — MANDIBLE

exit ACANTHION

CR of R /OR/ L AXIOLAT OBL — MANDIBLE

25deg ceph EXIT MANDI REGION

CR of SMV — MANDIBLE

perp IOML + mid btwn angles of mandible

pat pos of PA — MANDIBLE

ramus (OML PERP)

body (AML PERP)

pat pos of AP//PA AXIAL — MANDIBLE

AP AXIAL (SEATED OML or IOML PERP)

PA AXIAL ramus (sup OML PERP)
PA AXIAL body (sup AML PERP)

pat pos of MODI PAREITALACANTHIAL (MODI WATER) — MANDIBLE

seated

head on CHIN

OML 50 DEG IR

pat pos of R /OR/ L AXIOLAT OBL — MANDIBLE

areas of int PARA to IR (ramus,body,symphysis)

RAMUS (lat)

BODY (head 30deg TO IR)

SYMPHYSIS (head 45deg TO IR)

pat pos of SMV — MANDIBLE

IOML PARA

what is this

PA — MANDIBLE