Mouth breathing

mouth breathing its etiology, diagnosis and management

1. ORAL HABITSORAL HABITS
Presented By: Presented By:
Benju SharmaBenju Sharma
BDS 4BDS 4
THTH
Year Year
Roll no. 35Roll no. 35
Guided By:Guided By:
DR. Deep MeisheriDR. Deep Meisheri

2. Contents:Contents:
Mouth BreathingMouth Breathing
DefinitionDefinition
ClassificationClassification
EtiologyEtiology
Clinical FeaturesClinical Features
DiagnosisDiagnosis
TreatmentTreatment
Nail BitingNail Biting
IntroductionIntroduction
EtiologyEtiology
EffectsEffects
ManagementManagement

3. Self Injurious HabitsSelf Injurious Habits
IntroductionIntroduction
EtiologyEtiology
ClassificationClassification
Clinical FeaturesClinical Features
TreatmentTreatment
Other HabitsOther Habits
 Bobby Pin OpeningBobby Pin Opening

4. Mouth BreathingMouth Breathing
Definition:Definition:
Sassouni(1971)Sassouni(1971)defined mouth breathing as habitual defined mouth breathing as habitual
respiration through the mouth instead of noserespiration through the mouth instead of nose..
Classification:Classification:
Given by Given by Finn Finn in 1987.in 1987.
1.1.ObstructiveObstructive
2.2.HabitualHabitual
3.3.AnatomicalAnatomical

5. EtiologyEtiology : :
Enlarged turbinatesEnlarged turbinates
Deviated nasal septumDeviated nasal septum
Allergies and prolonged nasopharyngeal infectionsAllergies and prolonged nasopharyngeal infections
Enlarged adenoids and tonsilsEnlarged adenoids and tonsils
Short upper lip Short upper lip
Sleep apneaSleep apnea
Obstruction in bronchial tree and larynxObstruction in bronchial tree and larynx
Genetic predisposition: ectomorphic children having Genetic predisposition: ectomorphic children having
having tapering face and nasopharynx have more having tapering face and nasopharynx have more
chances of having nasal obstructionschances of having nasal obstructions..
Thumb sucking and other habitsThumb sucking and other habits

7. Tonsils and adenoidsTonsils and adenoids
At birth: small in size, present as cluster of white-At birth: small in size, present as cluster of white-
yellow follicles with erythematous borders, regress yellow follicles with erythematous borders, regress
after few days of birth.after few days of birth.
 11
stst
few months: enlarge in size as the lymphoid few months: enlarge in size as the lymphoid
tissue proliferate are bigger in presence of infection.tissue proliferate are bigger in presence of infection.

8. 6 months - 2 years: maximum growth as primary 6 months - 2 years: maximum growth as primary
physiologic enlargement.physiologic enlargement.
 At 6 year: enlargement after a period of inactivity At 6 year: enlargement after a period of inactivity
as the child gets exposed to infections at school this as the child gets exposed to infections at school this
is secondary physiologic enlargement.is secondary physiologic enlargement.
At puberty: regression of nasopharyngeal lymphoid At puberty: regression of nasopharyngeal lymphoid
tissue.tissue.

9. Diagnosis:Diagnosis:
1.1.HistoryHistory
2.2.ObserveObserve
3.3.Mirror test or fog testMirror test or fog test
4.4.Massler’s water holding testMassler’s water holding test
5.5.Jwemen’s butterfly testJwemen’s butterfly test
6.6.Rhynometry or inductive plethysmographyRhynometry or inductive plethysmography
7.7.CephalometryCephalometry

10. Inductive pletysmography

11. Butterfly test
Mirror test
Water holding test
cephalograph

12. Clinical FeaturesClinical Features
General Features:General Features:
The child adopts a neck forward position to breath.The child adopts a neck forward position to breath.
 Pigeon chest appearance.Pigeon chest appearance.
 Prolonged low-grade oesophagitis.Prolonged low-grade oesophagitis.
 Narrow nasal cavity.Narrow nasal cavity.
Narrow and long faceNarrow and long face
Tired appearanceTired appearance
 Nasal tone while speaking.Nasal tone while speaking.
Pigeon shaped chest

14. Appearance:Appearance:
Adenoid facies.Adenoid facies.
 Lips are held wide apart.Lips are held wide apart.
 Short upper lip.Short upper lip.
 Superiorly tipped nose.Superiorly tipped nose.
 Long and narrow face.Long and narrow face.
 Flat nasal bridge.Flat nasal bridge.
 Receded chinReceded chin
V shaped lower face.V shaped lower face.

16. Dental and skeletalDental and skeletal
Narrow maxillary arch.Narrow maxillary arch.
Low tongue position.Low tongue position.
Protrusion of maxillary and mandibular incisors.Protrusion of maxillary and mandibular incisors.
High palatal vault.High palatal vault.
Anterior open bite.Anterior open bite.
Posterior crossbitePosterior crossbite
Chronic marginal gingivitis.Chronic marginal gingivitis.
Excessive tenacious plaque formationExcessive tenacious plaque formation
Increased incidence of cariesIncreased incidence of caries

17. Marginal gingivitis
High arched palate
Anterior open bite

18.  Blood gas constituentsBlood gas constituents
> Studies reveal that mouth breathers have > Studies reveal that mouth breathers have
20% more CO2 and 20% less O2 in their 20% more CO2 and 20% less O2 in their
blood.blood.

19. TreatmentTreatment
Symptomatic treatment by use of preventive Symptomatic treatment by use of preventive
measures.measures.
Elimination of the cause (basically nasal obstruction) Elimination of the cause (basically nasal obstruction)
either surgical or by use of medication.either surgical or by use of medication.
Treatment of nasopharyngeal infections.Treatment of nasopharyngeal infections.
Interception of the habit through physical exercises, lip Interception of the habit through physical exercises, lip
exercises and maxillothorax myotherapy.exercises and maxillothorax myotherapy.

20. Continued…Continued…
 Use of Macaray activator with which dental Use of Macaray activator with which dental
arch relationship could be corrected at the arch relationship could be corrected at the
same time mouth breathing could be same time mouth breathing could be
discouraged.discouraged.
•Use of oral screen.Use of oral screen.
•Correction of malocclusion;Correction of malocclusion;
Class I: Oral shield applianceClass I: Oral shield appliance
Class II div 1: Monobloc activatorClass II div 1: Monobloc activator
Class III: Chin cap, interceptive methods.Class III: Chin cap, interceptive methods.

21. Monobloc activator

22. Chin cup
Chin strap
Maxillary arch expansion
Snore mask

23. Oral screen
Oral shield appliance

24. Mouth strap

26. Nail BitingNail Biting
Introduction:Introduction:
Nail biting is one of Nail biting is one of
the most common the most common
habits seen in 43% habits seen in 43%
adolescents and adolescents and
25% in college 25% in college
students. It is a sign students. It is a sign
of stress.of stress.
Etiology:Etiology:
> Insecurity > Insecurity
> Psychosomatic successor > Psychosomatic successor
of thumb sucking. of thumb sucking.
> Stress or nervousness> Stress or nervousness

27. Effects:Effects:
Crowding, rotation and alteration of incisal edges of Crowding, rotation and alteration of incisal edges of
incisors.incisors.
 Inflammation of nail bed.Inflammation of nail bed.

28. Management:Management:
Avoid punitive methods like scolding, nagging, and Avoid punitive methods like scolding, nagging, and
threatening.threatening.
 Treat the basic emotional or stress factor causing it.Treat the basic emotional or stress factor causing it.
 Encourage outdoor activities to reduce stress.Encourage outdoor activities to reduce stress.
 Application of nail polish as a reminder.Application of nail polish as a reminder.

29. Self-Injurious HabitsSelf-Injurious Habits
Introduction:Introduction:
In this kind of habits patient enjoys harming him/herself. In this kind of habits patient enjoys harming him/herself.
This kind of habits are mostly seen in mentally retarded This kind of habits are mostly seen in mentally retarded
children and in those with psychological abnormalities.children and in those with psychological abnormalities.
EtiologyEtiology::
Organic: associated with Lesch-Nyhan disease and De Organic: associated with Lesch-Nyhan disease and De
Lange’s syndrome.Lange’s syndrome.
 Functional: Given by Functional: Given by Steward and kernohan in 1912.Steward and kernohan in 1912.
Type A: Injuries superimposed on pre existing lesions.Type A: Injuries superimposed on pre existing lesions.
Type B: Injuries secondary to another established Type B: Injuries secondary to another established
habit.habit.
Type C: Injuries of unknown etiology.Type C: Injuries of unknown etiology.

30. Lesch-Nyhan syndrome
De Lange’s syndrome

32. Different self-injuring habitsDifferent self-injuring habits
Biting of fingers, knee, lips, shoulders.Biting of fingers, knee, lips, shoulders.
 Frenum thrustingFrenum thrusting
 Picking of gingivaPicking of gingiva
 Insertion of sharp objects into oral cavity.Insertion of sharp objects into oral cavity.

33. Treatment:Treatment:
Psychological therapy.Psychological therapy.
The primary attempts should be given to The primary attempts should be given to
understand the emotional factor underlying the understand the emotional factor underlying the
habit.habit.
 Reduce concern to the habit may be helpful.Reduce concern to the habit may be helpful.
 Palliative treatment by bandaging the self Palliative treatment by bandaging the self
-inflicted wounds which will favor healing and act -inflicted wounds which will favor healing and act
as a reminder.as a reminder.
 Mechanotherapy: use of protective padding and Mechanotherapy: use of protective padding and
mouth guards.mouth guards.

34. Bobby Pin OpeningBobby Pin Opening
Usually seen in teen girls who open the bonny Usually seen in teen girls who open the bonny
pins with the help of their maxillary anteriors.pins with the help of their maxillary anteriors.
Effect is generally seen on the incisal edges of Effect is generally seen on the incisal edges of
maxillary incisors that is notching.maxillary incisors that is notching.
So educating about the effect of this habit may So educating about the effect of this habit may
prove to be helpful.prove to be helpful.

35. THANK YOUTHANK YOU
Refrences:Refrences:
Shobha Tandon 2Shobha Tandon 2
ndnd
edition edition
Nikhil Marwah 3Nikhil Marwah 3
rdrd
edition edition
InternetInternet