scieee Science in your language
[en] (orig)

'Cranial Nerves' and their Clinical Implications in Contemporary Dental Practice: A Comprehensive Review.

Author: LakshmanaRao Bathala Dr.A. Sathvika, Dr. D. Kundanaveni and Dr. K. Bhanu Prasad
Publisher: Zenodo
DOI: 10.5281/zenodo.17662184
Source: https://zenodo.org/records/17662184/files/7.pdf
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
71
O iginal A icle
‘C anial Ne es’ and hei Clinical Implicaons in Con empo a y Den al
P acce: A Comp ehensi e Re iew.
D .B. LakshmanaRao
1
, D .A. Sa h ika
2
, D .D. Kundana eni
3
, D .K. Bhanu P asad
4
.
1. P o & HOD, Dep o P os hodoncs, Leno a Ins u e o Den al Sciences, Rajahmund y, A.P,
2. S . Lec u e , Dep o P os hodoncs, Leno a Ins u e o Den al Sciences, Rajahmund y, A.P,
3. S . Lec u e , Dep o P os hodoncs, Leno a Ins u e o Den al Sciences, Rajahmund y, A.P,
4. S . Lec u e , Dep o P os hodoncs, Leno a Ins u e o Den al Sciences, Rajahmund y, A.P.
ARTICLE INFO
ABSTRACT
©2025 RS Publicaon
Pape ID: IJPHC-
691D726155D94
Recei ed: 2025-10-21
Published: 2025-11-20
DOI:
h ps://dx.doi.o g
/10.5281/zenodo.17
662184
Page No: 70-81
C anial ne es play a pi o al ole in o o acial ana omy and uncon, wi h pa cula
ele ance o dens y due o hei inne aon o senso y, mo o , and au onomic
s uc u es in he head and neck. Key ne es such as he igeminal (CN V), acial (CN
VII), glossopha yngeal (CN IX), agus (CN X), and hypoglossal (CN XII) a e in eg al o pain
pe cepon, mascaon, sali aon, as e, and swallowing. In gene al, den al
p ocedu es, hese ne es a e c ical o effec e local anes hesia (e.g., in e io al eola
ne e blocks a geng CN V), isk assessmen du ing ex acons o implan s o p e en
pa es hesia o neu algia, and diffe enal diagnosis o o o acial pain mimicking
odon ogenic issues. In p os hodoncs, hei significance ex ends o p os hesis design
and adap aon: CN V p o ides senso y eedback o occlusion and e enon in den u es
o implan s, while CN VII ensu es lip and cheek compe ence o main ain seal and
es hecs; dis upons like ne e inju ies can lead o ins abili y, speech impai men s, o
xe os omia affecng paen ou comes. Unde s anding hei cou ses and supplies
enhances p ocedu al sa e y, minimizes complicaons, and opmizes unconal
ehabili aon in es o a e dens y.
Keywo ds: C anial ne es, Den al P ocedu es, P os hodoncs, O o acial inne aon,
Ne e inju y.
Co esponding Au ho : D .B. LakshmanaRao, Mail: kushuluba [email protected]
In e na*onal Jou nal o Pha maceu*cal Science and
Heal h Ca e
A ailable online on h>p://www. spublicaon.com/ijphc/index.h ml
ISSN 2249 – 5738
Ci e This Pape : LakshmanaRao Ba hala D .A. Sa h ika, D . D. Kundana eni and D . K.
Bhanu P asad (2025). "‘C anial Ne es’ and hei Clinical Implicaons in Con empo a y
Den al P acce: A Comp ehensi e Re iew.". INTERNATIONAL JOURNAL
PHARMACEUTICAL SCIENCE AND HEALTH CARE (IJPHC), ol. 15, no. 6, 2025, pp. 70-
81. DOI: h>ps://dx.doi.o g/10.5281/zenodo.17662184
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
72
O iginal A icle
In oduc*on:
Thei in ica e senso y, mo o , and au onomic inne aon go e ns e e y aspec o o o acial
uncon— om pain pe cepon and p op iocepon o mascaon, acial exp ession,
sali aon, as e, gag eflex, and speech. In gene al den al p ocedu es, p ecise knowledge o
hei cou ses and b anches is indispensable o deli e ing sa e and effec e local anes hesia,
p e enng ia ogenic ne e inju ies du ing ex acons, endodoncs, pe iodon al su ge y, and
implan placemen , and accu a ely diffe enang neu opa hic om odon ogenic pain. [1,2]
In p os hodoncs, hese ne es di ec ly influence he long- e m success and paen
sas acon wi h emo able, fixed, and implan -suppo ed p os heses. In ac igeminal
senso y eedback is essenal o occlusal ha mony, acle disc iminaon, and com o able
adap aon; acial ne e in eg i y ensu es adequa e muscula suppo and bo de seal; while
balanced glossopha yngeal, agal, and hypoglossal uncon p e en s excessi e gagging,
swallowing difficules, speech dis o on, and den u e ins abili y. Any comp omise—whe he
om auma, pa hology, o ia ogenic causes—can p o oundly impai p os hec
ehabili aon, leading o ch onic discom o , unconal limi aons, and educed quali y o li e.
[2,3]
The e a e 12 Pai s o C anial ne es p esen , which includes:
I – Ol ac o y ne e; II – Opc ne e; III – Oculomo o ne e; IV – T ochlea ne e; V –
T igeminal ne e; VI – Abducens ne e; VII – Facial ne e; VIII – Vesbulocochlea ne e (also
called Audi o y o Acousc ne e); IX – Glossopha yngeal ne e; X – Vagus ne e; XI –
Accesso y ne e (also called Spinal accesso y ne e) and XII – Hypoglossal ne e. [4-6]
The c anial ne es o p ima y and equen clinical impo ance o den*s s in gene al and
P os hodon*s s in pa *cula a e:
V – T igeminal ne e (by a he mos impo an ); VII – Facial ne e; IX – Glossopha yngeal
ne e; X – Vagus ne e and XII – Hypoglossal ne e.
These fi e ne es di ec ly influence senso y eedback, mo o suppo , sali a y flow, gag
eflex, speech, swallowing, and o e all p os hec success and paen com o . [4,5,11-18]
The significan ole played by C anial ne es in gene al den al p ac*ce (Table-
1) and in P os hodon*c p ac*ce (Table-2):
Table-1: C anial ne es play a significan ole in Gene al Den al P acce:
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
73
O iginal A icle
C anial Ne e
Gene al Den al P ocedu es whe e he ne e plays a significan
ole
V – T igeminal (senso y &
mo o b anches)
All local anaes he ic ne e blocks (IANB, PSA, MSA, ASA,
in ao bi al, g ea e pala ine, nasopala ine, men al, buccal, lingual)
- Thi d mola su ge y & implan placemen ( isk o IAN/lingual
ne e inju y) - Endodon ic ea men (pulp es ing, pain diagnosis)
- Pe iodon al su ge y & biopsies - O hogna hic su ge y (mo o
b anch o muscles o mas ica ion) - Diagnosis o igeminal
neu algia s odon ogenic pain
.
[9]
VII – Facial Ex a-o al injec ions nea pa o id/s ylomas oid o amen ( ansien
acial palsy) - Thi d mola su ge y ( a e cho da ympani inju y →
as e dis u bance) - Managemen o Bell’s palsy pa ien s (al e ed
lip suppo & d ooling du ing ea men )
.
[13,18]
IX – Glossopha yngeal - T igge ing se e e gag e lex du ing maxilla y imp ession o
adiog aphy - Tonsilla /pe i onsilla abscess d ainage ( a e den al
eme gency) - Glossopha yngeal neu algia (misdiagnosed as den al
pain)
.
[12,16]
X – Vagus - Vaso agal syncope du ing injec ions o mino su ge y (mos
common medical eme gency in den al p ac ice) - Se e e gagging
& e ching (a e en limb wi h IX) - Ra ely, la yngeal oedema a e
p olonged p ocedu es
.
[9]
XII – Hypoglossal Floo -o -mou h su ge y & lingual enum p ocedu es - Tongue
lace a ion epai - Assessmen o ongue de ia ion in neu ological
e e al
.
[14,17]
Table-2: C anial ne es play a significan ole in P os hodonc P acce:
C anial Ne e
P os hodon*c T ea men s whe e he ne e plays a
pa *cula ly
c i*cal ole
V – T igeminal (senso y &
mo o b anches)
- Comple e den u e imp essions & bo de moulding (senso y
eedback) - Occlusal adjus men & selec i e g inding
(p op iocep ion) - Implan -suppo ed p os heses (p e en ion o
men al/IAN neu opa hy) - Remo able pa ial den u e design
(a oiding p essu e on men al o amen) - Fixed p os hodon ics
(shade ma ching & com o du ing long appoin men s in pa ien s
wi h igeminal neu opa hy)
.
[9]
VII – Facial Comple e den u e bo de seal & e en ion (o bicula is o is &
buccina o one) - Smile design in an e io ixed es o a ions &
enee s - Maxillo acial p os he ics ( acial moulage in palsy
pa ien s) - Implan o e den u es (a oiding ma ginal mandibula
b anch in submandibula su ge y)
.
[13,18]
IX – Glossopha yngeal Pos e io bo de placemen o maxilla y comple e den u e (“ah”
line & ib a ing line) - Managemen o hype ac i e gag e lex in
comple e den u e pa ien s - Pala al aining pla es & desensi isa ion
p o ocols
.
[12,16]
X – Vagus Gag e lex con ol du ing imp ession making - Swallowing
coo dina ion wi h ob u a o s & pala al li p os heses in cle o
neu ological pa ien s - P e en ion o aspi a ion in maxillo acial
p os he ic ehabili a ion
.
[9]
XII – Hypoglossal - Lingual lange design o mandibula comple e den u e - Speech
a icula ion (s, , d, l, n sounds) wi h p os heses - Tongue
posi ioning & den u e s abili y in eden ulous pa ien s - Pala al li
& speech-bulb p os heses in mo o neu on disease o pos -s oke
pa ien s
. [
14,17]
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
74
O iginal A icle
T igeminal Ne e (CN V)
Cou se: O igina es om he pons in he b ains em, wi h senso y oo s o ming he igeminal
ganglion in Meckel's ca e. I di ides in o h ee b anches: oph halmic (V1), maxilla y (V2), and
mandibula (V3). V1 exi s ia he supe io o bi al issu e in o he o bi . V2 exi s ia he o amen
o undum in o he p e ygopala ine ossa, hen as he in ao bi al ne e h ough he in e io
o bi al issu e and in ao bi al o amen. V3 exi s ia he o amen o ale in o he in a empo al
ossa, spli ing in o an e io (mo o -dominan ) and pos e io (senso y-dominan ) unks.
Supply: P ima ily senso y o ouch, pain, empe a u e, and p op iocep ion in he ace, o al
ca i y, ee h, gums, sinuses, empo omandibula join (TMJ), and an e io wo- hi ds o he
ongue ( ia lingual ne e). Mo o supply ( ia V3) o muscles o mas ica ion ( empo alis,
masse e , medial/la e al p e ygoids), mylohyoid, an e io digas ic, enso eli pala ini, and
enso ympani. V2 supplies he uppe ee h and pala e ia al eola , pala ine, and nasopala ine
b anches. V3 supplies he lowe ee h ia in e io al eola (spli ing in o men al and incisi e
ne es) and lingual b anches, plus buccal gingi a ia he buccal ne e.
Signi icance in Den al P ocedu es (Gene al): CN V is he co ne s one o o o acial sensa ion
and mas ica ion, making i c i ical o pain managemen , diagnosis, and su ge y. In local
anes hesia, b anches a e a ge ed o block pain: e.g., in e io al eola ne e block (IANB) o
mandibula p ocedu es, pos e io supe io al eola (PSA) block o maxilla y mola s,
in ao bi al block o an e io maxilla, and g ea e pala ine/nasopala ine blocks o pala al
issues. Risks include ne e inju y du ing injec ions (e.g., pa es hesia om needle auma o
high-concen a ion anes he ics like a icaine), ex ac ions (especially hi d mola s nea
lingual/in e io al eola ne es), endodon ics (o e ill ex usion), o implan s (damage o
an e io loop o canalis sinuosus, assessed ia CBCT). Such inju ies cause senso y de ici s (60-
80% o cases in lowe hi d mola su ge y), neu opa hic pain, o al e ed as e ( ia cho da
ympani anas omosis). I also unde lies igeminal neu algia, o en mimicking den al pain,
equi ing di e en ial diagnosis o a oid unnecessa y p ocedu es. In o hogna hic su ge y o
auma epai , p ese ing V3 mo o unc ion p e en s ismus o malocclusion.
Signi icance in P os hodon ic P ocedu es (Pa icula ): In p os hodon ics, CN V p o ides
essen ial senso y eedback o p os hesis adap a ion, occlusion, and unc ion. Senso y loss
(e.g., om neu opa hy o inju y) impai s p op iocep ion, leading o poo den u e e en ion,
speech issues, o cheek/ ongue bi ing. Fo comple e den u es, pala al co e age mus a oid
i i a ing nasopala ine o g ea e pala ine ne es o p e en gagging o discom o ;
o e ex ension can cause neu algia. In implan p os hodon ics, p ecise placemen a oids
in e io al eola o men al ne e damage, which could esul in pe manen pa es hesia a ec ing
p os hesis use (e.g., al e ed lip sensa ion impac ing seal). Remo able pa ial den u es equi e
conside a ion o buccal/lingual ne e pa hs o p e en ulce a ion. Fixed p os hodon ics
(c owns/b idges) ely on in ac al eola ne es o pulp i ali y es ing and pain- ee
p epa a ion; hype algesia om igeminal diso de s complica es shade ma ching o
imp essions. O e all, CN V ensu es ac ile disc imina ion o chewing e iciency wi h
p os heses.
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
75
O iginal A icle
Facial Ne e (CN VII)
Cou se: Eme ges om he pons-medulla junc ion wi h wo oo s (mo o and
senso y/pa asympa he ic), en e s he in e nal acous ic mea us, a e ses he empo al bone
(genicula e ganglion si e), and exi s ia he s ylomas oid o amen. In a empo al b anches
include g ea e pe osal ( o p e ygopala ine ganglion) and cho da ympani (joins lingual ne e
o V3). Ex ac anially, i o ms he pa o id plexus wi h empo al, zygoma ic, buccal, ma ginal
mandibula , and ce ical b anches.
Supply: Mo o o acial exp ession muscles (including buccina o and o bicula is o is),
s apedius, s ylohyoid, and pos e io digas ic. Pa asympa he ic sec e omo o o
submandibula /sublingual glands ( ia cho da ympani) and lac imal/nasal glands ( ia g ea e
pe osal). Special senso y o as e (an e io wo- hi ds ongue ia cho da ympani). Gene al
senso y o ex e nal ea and pha ynx.
Signi icance in Den al P ocedu es (Gene al): CN VII con ols acial symme y and sali a ion,
i al o o al unc ion. Injec ions nea he pa o id (e.g., mandibula blocks) isk ansien
pa alysis (Bell's palsy-like), causing d ooling o asymme y. Cho da ympani inju y du ing
hi d mola su ge y o IANB al e s as e. Pa asympa he ic s imula ion a ec s sali a y low,
impac ing ca ies isk o p ocedu e com o . Diso de s like Bell's palsy (idiopa hic o pos - i al)
lead o unila e al weakness, complica ing exams o anes hesia; co icos e oids may be used.
Signi icance in P os hodon ic P ocedu es (Pa icula ): Mo o supply o o bicula is o is and
buccina o ensu es lip/cheek compe ence o den u e e en ion and bo de seal; weakness
causes leakage o ins abili y in comple e den u es. In es he ic p os hodon ics ( enee s/c owns),
acial asymme y om CN VII palsy a ec s smile design and pa ien sa is ac ion.
Pa asympa he ic ole in sali a ion in luences den u e adap a ion—xe os omia om damage
wo sens discom o o candidiasis unde p os heses. Ma ginal mandibula b anch p oximi y
equi es ca e in submandibula app oaches o implan o e den u es o a oid d ooping lip.
Glossopha yngeal Ne e (CN IX)
Cou se: O igina es in he medulla, exi s ia he jugula o amen, descends in he neck, and
b anches o he pha ynx and ongue. Communica es wi h CN X and sympa he ic unk.
Supply: Senso y o pos e io one- hi d ongue (gene al and as e), pha ynx, onsils, and ca o id
body/sinus. Mo o o s ylopha yngeus. Pa asympa he ic sec e omo o o pa o id gland ( ia
lesse pe osal o o ic ganglion and au iculo empo al ne e o V3).
Signi icance in Den al P ocedu es (Gene al): Media es gag e lex (wi h CN X) and pos e io
o al sensa ion; hype ac i e e lex complica es imp essions o su ge y. Pa o id sali a ion a ec s
o al mois u e du ing long p ocedu es. Glossopha yngeal neu algia causes h oa pain
mimicking odon ogenic issues.
Signi icance in P os hodon ic P ocedu es (Pa icula ): Pos e io ongue/pha ynx sensa ion
in luences gag con ol du ing imp essions o emo able p os heses; o e ex ended den u es

In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
76
O iginal A icle
igge i , equi ing bo de adjus men s. Tas e al e a ions om damage a ec pa ien accep ance
o p os heses. Pa o id s imula ion ensu es adequa e sali a o lub ica ion unde den u es.
Vagus Ne e (CN X)
Cou se: O igina es in he medulla, exi s ia jugula o amen, a els in he ca o id shea h
h ough he neck in o he ho ax/abdomen. B anches include pha yngeal, supe io la yngeal,
and ecu en la yngeal.
Supply: Pa asympa he ic o isce a (hea , lungs, gu ); mo o o pha yngeal/la yngeal muscles;
senso y o pha ynx, la ynx, epiglo is ( as e), and ex e nal ea .
Signi icance in Den al P ocedu es (Gene al): T igge s aso agal syncope ( ain ing om
anxie y/pain ia hea a e d op); manages wi h posi ioning o a opine. Con ibu es o gag
e lex and swallowing coo dina ion.
Signi icance in P os hodon ic P ocedu es (Pa icula ): Gag e lex managemen is key o
imp essions in ull-mou h ehabili a ions; desensi iza ion echniques help. Dysphagia om
damage a ec s p os hesis design (e.g., so line s o swallowing aid).
Hypoglossal Ne e (CN XII)
Cou se: O igina es in he medulla, exi s ia hypoglossal canal, descends in ca o id shea h, and
en e s he ongue en ally.
Supply: Mo o o all in insic/ex insic ongue muscles (excep pala oglossus).
Signi icance in Den al P ocedu es (Gene al): Con ols ongue mo emen o access du ing
exams/su ge y; de ia ion indica es lesion. Risk in loo -o -mou h p ocedu es.
Signi icance in P os hodon ic P ocedu es (Pa icula ): Tongue posi ion a ec s den u e s abili y
and phone ics; palsy causes de ia ion, impai ing adap a ion o speech wi h p os heses. Lingual
enum conside a ions in o e den u es p ese e mobili y. [19-30]
While c anial ne es I, II, III, IV, VI, VIII, and XI a e no di ec ly in ol ed in oune den al
ope a e p ocedu es (e.g., local anes hesia, oo h p epa aon, ex acons, o p os hodonc
ehabili aon) o he same ex en as CN V, VII, IX, X, and XII, i is no en ely accu a e o s a e
ha hey ha e no significance in dens y. Se e al o hese ne es ha e indi ec bu clinically
ele an oles, especially in o al medicine, maxillo acial su ge y, empo omandibula
diso de s, and special-ca e dens y.
C anial Ne e I – Ol ac o y Ne e
Significance in Den*s y: Minimal di ec ele ance.
Al e ed smell pe cepon (dysosmia/anosmia) can occu seconda y o maxilla y sinus
pa hology o zygomacomaxilla y complex (ZMC) ac u es ea ed by o al and maxillo acial
su geons.
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
77
O iginal A icle
Some den al ma e i als (e.g., eugenol, ac ylic monome s) ha e s ong odo s ha may igge
nausea in anosmic paen s o hose wi h ol ac o y e e ence synd ome.
Ra ely implica ed in o al medicine when paen s epo phan om as es linked o ol ac o y
dys uncon.
Ve dic : Ve y low clinical significance in oune dens y.
C anial Ne e II – Op*c Ne e
Significance in Den*s y: Indi ec bu impo an in specific scena ios
O bi al floo ac u es (blow-ou ac u es) managed by o al and maxillo acial su geons can
comp ess he opc ne e → pe manen isual loss.
High-dose bisphosphona es o denosumab (used in oncology paen s wi h den al
in ol emen ) can a ely cause opc neu is.
Visual e oked po enals a e somemes used in esea ch on igeminal pain modulaon.
Ve dic : Rele an in auma and oncology- ela ed den al ca e.
C anial Ne e III – Oculomo o Ne e
Significance in Den*s y: Recognizable clinical impo ance
Ca e nous sinus h ombosis (complicaon o maxilla y odon ogenic in econs) can in ol e CN
III → p osis, myd iasis, oculomo o palsy.
Mid acial ac u es (Le Fo II/III) o e obulba hemo hage aTe zygomac o o bi al su ge y
can comp ess CN III.
Diplopia and pupilla y abno malies a e ed flags in maxillo acial auma assessmen .
Ve dic : Significan in maxillo acial auma and se e e in econs.
C anial Ne e IV – T ochlea Ne e
Significance in Den*s y: Low bu no ze o
Ra ely affec ed alone; usually in ol ed wi h CN III and VI in ca e nous sinus/o bi al apex
pa hology ollowing den al sepsis o auma.
Paen s complain o e cal diplopia when looking down (e.g., du ing eading o eang) —
ele an in pos - auma ehabili aon.
Ve dic : Mino ele ance, mainly in auma.
C anial Ne e VI – Abducens Ne e
Significance in Den*s y: No able in specific condions
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
78
O iginal A icle
Longes in ac anial cou se → mos ulne able in aised in ac anial p essu e (e.g., aTe
maxillo acial auma wi h b ain inju y).
G adenigo’s synd ome (pe ous apex in econ sp eading om os media o maxilla y
sinusis) classically p esen s wi h CN VI palsy + igeminal pain.
La e al ec us palsy → inabili y o abduc eye; seen in ca e nous sinus h ombosis o den al
o igin.
Ve dic : Clinically significan in sp ead o odon ogenic in econs and auma.
C anial Ne e VIII – Ves*bulocochlea Ne e
Significance in Den*s y: Limi ed bu p esen
Acousc auma om high-speed den al handpieces may con ibu e o noise-induced hea ing
loss o nni us (occupaonal haza d o dens s).
Vesbula dys uncon can occu aTe middle-ea su ge y o pe ous bone in ol emen in
ad anced odon ogenic in econs.
Some paen s wi h empo omandibula diso de s epo associa ed e go (con o e sial
link).
Ve dic : Low di ec significance; mino occupaonal and pa hological ele ance.
C anial Ne e XI – Accesso y Ne e
Significance in Den*s y: Ve y low
Ra ely inju ed du ing neck dissecons o o al cance (pe o med by o al and maxillo acial
oncologis s).
To collis o shoulde d op may affec paen posioning du ing long den al p ocedu es in
cance su i o s.
Almos ne e in ol ed in oune den al p acce.
Ve dic : Negligible in gene al/p os hodonc dens y; mino in oncology. [31-34]
C anial ne es I, II, III, IV, VI, VIII, and XI do no play a di ec ole in e e yday ope a i e
den is y o p os hodon ics. Howe e , CN II, III, and VI ha e impo an clinical signi icance in
maxillo acial auma, sp ead o odon ogenic in ec ions, and oncologic ca e — si ua ions
equen ly managed by o al and maxillo acial su geons and hospi al-based den is s. The o he s
(I, IV, VIII, XI) ha e negligible o ex emely limi ed ele ance in den is y.
Conclusion
The c anial ne es, pa icula ly he igeminal (CN V), acial (CN VII), glossopha yngeal (CN
IX), agus (CN X), and hypoglossal (CN XII), o m he neu oana omical ounda ion o
In e na ional Jou nal o Pha maceu ical Science and Heal h Ca e Volume 15, Numbe 6, 2025
A ailable online on h p://www. spublica ion.com/ijphc/index.h ml ISSN 2249 – 5738
DOI: 10.5281/zenodo.17662184
©2025 RS Publicaon, spublica[email protected]
79
O iginal A icle
success ul den al and p os hodon ic p ac ice. Thus, a ho ough unde s anding o c anial ne e
ana omy and physiology emains a co ne s one o compe en clinical p ac ice. I enables he
clinician no only o a oid complica ions bu also o p edic , manage, and ehabili a e
neu ological de ici s, ul ima ely ensu ing op imal es he ic, unc ional, and psychological
ou comes in bo h ou ine and complex den al and p os hodon ic ca e.
Re e ences:
1.S and ing S, edi o . G ay’s Ana omy: The Ana omical Basis o Clinical P ac ice. 42nd ed.
Edinbu gh: Else ie ; 2021. Chap e 30, C anial ne es; p. 605–56.
2.Moo e KL, Dalley AF, Agu AMR. Clinically O ien ed Ana omy. 8 h ed. Philadelphia:
Wol e s Kluwe ; 2018. Chap e 8, Head; p. 862–1052.
3.Ne e FH. A las o Human Ana omy. 7 h ed. Philadelphia: Else ie ; 2019. Pla e 117–131:
C anial ne es I–XII.
4.Feh enbach MJ, He ing SW. Illus a ed Ana omy o he Head and Neck. 6 h ed. S . Louis:
Else ie ; 2021. Chap e 8, Ne es o he head and neck; p. 218–49.
5.No on NS. Ne e ’s Head and Neck Ana omy o Den is y. 3 d ed. Philadelphia: Else ie ;
2017. Chap e 11, C anial ne es; p. 297–358.
6.D ake RL, Vogl AW, Mi chell AWM. G ay’s Ana omy o S uden s. 4 h ed. Philadelphia:
Else ie ; 2020. Chap e 8, Head and neck; p. 922–1010.
7.Hupp JR, Tucke MR, Ellis E. Con empo a y O al and Maxillo acial Su ge y. 7 h ed. S
Louis: Else ie ; 2019. Chap e 1 (Diagnosis) & Chap e 16 (Local anes hesia).
8.B and RW, Isselha d DE, Sa in E. Ana omy o O o acial S uc u es. 8 h ed. S Louis:
Else ie ; 2019. Chap e 17, C anial ne es.
9.Malamed SF. Handbook o Local Anes hesia. 7 h ed. S Louis: Else ie ; 2020. Chap e s 6–
10.
10.Okeson JP. Managemen o Tempo omandibula Diso de s and Occlusion. 8 h ed. S Louis:
Else ie ; 2020.
11.Bha S, Jayak ishnan A. C anial ne es o signi icance in den is y – A clinician’s
pe spec i e. J Ana Soc India. 2020;69(4):251–6. doi:10.4103/JASI.JASI_112_20.
12.Za b GA, Hobki k JA, Ecke SE, Jacob RF, edi o s. P os hodon ic T ea men o
Eden ulous Pa ien s. 13 h ed. S Louis: Else ie Mosby; 2013. p. 78–92, 186–202.
13.McCo d JF, G an AA. Imp ession making. B Den J. 2000;188(9):484–91.
14.The Glossa y o P os hodon ic Te ms: 10 h Edi ion. J P os he Den . 2023;130(1):e1–109.
15.Sha y JJ. Comple e Den u e P os hodon ics. 3 d ed. New Yo k: McG aw-Hill; 1974. p.
112–25.