Early childhood development involves several stages of dental development that can lead to temporary malocclusions. Premature birth or chronic illness can impact growth patterns in infants. As the primary dentition develops, spaces between teeth allow for the larger permanent teeth to erupt. During the transition from primary to permanent dentition, there is a space discrepancy that can cause temporary crowding of lower incisors from ages 8-9. Several mechanisms during growth help resolve spacing issues, leading to proper alignment of the permanent dentition.
Introduction
Evolutionary Concept of dentition
Prenatal development of human dentition
Eruptive tooth movement
Phases of occlusion development
Pre-dental period
Deciduous dentition period
Mixed dentition period
Permanent dentition period
Transient malocclusions
Andrews six keys of occlusion
References
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Introduction
Evolutionary Concept of dentition
Prenatal development of human dentition
Eruptive tooth movement
Phases of occlusion development
Pre-dental period
Deciduous dentition period
Mixed dentition period
Permanent dentition period
Transient malocclusions
Andrews six keys of occlusion
References
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Habits and its management /certified fixed orthodontic courses by Indian de...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Development of tongue and its salivary glands /cosmetic dentistry coursesIndian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
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The summary of Cleft Lip/Palate is explained in very simple wording and style by the help of a scenario. Easy to remember and present due to interesting pictures. Helpful for medical students, parents having child with cleft lip/cleft palate and knowledge seekers.
Ankyloglossia a congenital oral anomaly Dr Medical
https://userupload.net/h9ig9byum706
Ankyloglossia, also known as tongue-tie, is a congenital oral anomaly that may decrease mobility of the tongue tip and is caused by an unusually short, thick lingual frenulum, a membrane connecting the underside of the tongue to the floor of the mouth. Ankyloglossia or tongue-tie is the result of a short, tight, lingual frenulum causing difficulty in speech articulation due to limitation in tongue movement. Ankyloglossia is a congenital condition in which a neonate is born with an abnormally short, thickened, or tight lingual frenulum that restricts mobility of the tongue. Ankyloglossia may be associated with other craniofacial abnormalities, but is also often an isolated anomaly.
Habits and its management /certified fixed orthodontic courses by Indian de...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Development of tongue and its salivary glands /cosmetic dentistry coursesIndian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The summary of Cleft Lip/Palate is explained in very simple wording and style by the help of a scenario. Easy to remember and present due to interesting pictures. Helpful for medical students, parents having child with cleft lip/cleft palate and knowledge seekers.
Ankyloglossia a congenital oral anomaly Dr Medical
https://userupload.net/h9ig9byum706
Ankyloglossia, also known as tongue-tie, is a congenital oral anomaly that may decrease mobility of the tongue tip and is caused by an unusually short, thick lingual frenulum, a membrane connecting the underside of the tongue to the floor of the mouth. Ankyloglossia or tongue-tie is the result of a short, tight, lingual frenulum causing difficulty in speech articulation due to limitation in tongue movement. Ankyloglossia is a congenital condition in which a neonate is born with an abnormally short, thickened, or tight lingual frenulum that restricts mobility of the tongue. Ankyloglossia may be associated with other craniofacial abnormalities, but is also often an isolated anomaly.
Development of dentition. /certified fixed orthodontic courses by Indian dent...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
DEVELOPMENT OF OCCLUSION IN PEDIATRIC DENTISTRYChsaiteja3
HELLO VISITERS, IAM SAITEJA , BDS 3RD YEAR STUDENT FROM MNR DENTAL COLLEGE , SANGAREDDY. I AND MY BATCH HAS DEVELOPED A PPT ON DEVELOPMENT OF OCCLUSION IN PEDIATRIC DENTISTRY. PLEASE GO THROUGH THE PPT. EVERY TOPIC IS CLEARLY EXPLAINED IN THIS PPT ALONG WITH DIAGRAMS.
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Discover the Simplified Electron and Muon Model: A New Wave-Based Approach to Understanding Particles delves into a groundbreaking theory that presents electrons and muons as rotating soliton waves within oscillating spacetime. Geared towards students, researchers, and science buffs, this book breaks down complex ideas into simple explanations. It covers topics such as electron waves, temporal dynamics, and the implications of this model on particle physics. With clear illustrations and easy-to-follow explanations, readers will gain a new outlook on the universe's fundamental nature.
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it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
How to Add Chatter in the odoo 17 ERP ModuleCeline George
In Odoo, the chatter is like a chat tool that helps you work together on records. You can leave notes and track things, making it easier to talk with your team and partners. Inside chatter, all communication history, activity, and changes will be displayed.
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Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
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Normal labor is also termed spontaneous labor, defined as the natural physiological process through which the fetus, placenta, and membranes are expelled from the uterus through the birth canal at term (37 to 42 weeks
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In this research, it concludes that while the readiness of teachers in Caloocan City to implement the MATATAG Curriculum is generally positive, targeted efforts in professional development, resource distribution, support networks, and comprehensive preparation can address the existing gaps and ensure successful curriculum implementation.
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
2. Infancy and Early childhood:
Premature birth: Low birth weight
Infant weighing less than 2500 gm at birth are at
greater risk of problems. Until recent years,
children with birth weights below 1500 gm often did
not survive.
With best of the medical facility available some now
are saved.
3. If premature infant survives the neonatal period,
however, there is every reason to expect that
growth will follow the normal pattern and that the
child will gradually overcome the initial handicap.
Chronic illness: For normal infant 90% of the
available energy must be utilized by the child for
the requirement of survival, thus leaving only 10%
for the growth.
4. Chronic illness alters this balance and affects the
growth of the child. The more chronic the illness,
greater the cumulative impact.
Maturation of oral function: Respiratory
movements are “practiced” in utero. Swallowing
also occurs during the last months of fetal life, it
appears that swallowed amniotic fluid may be an
important stimulus to activation of the infant’s
immune system.
5. Suckling and swallowing:
Suckling consist of small nibbling movements of
the lips, to stimulate the smooth muscle and to
contract and squirt milk into his mouth. The
tongue is placed anteriorly in contact with the
lower lip. And it is only necessary for infant to
groove the tongue and allow the milk to flow
posteriorly into the pharynx.
6. This sequence of events defines an infantile
swallow, which is characterized by active
contractions of the musculature of the lips, a tongue
tip brought forward into contact with the lower lip,
and little activity of the posterior tongue or
pharyngeal musculature.
7. • The suckling reflex and the infantile swallow
normally disappears during the first year of life.
• And infant matures the semisolid food is
replaced by the solid food. And child learns to
use the tongue in a more complex way.
• The first speech sounds are the bilabial sounds
“m”, “p”, “b” which is why the an infant first
word is likely to be “mama” and “papa”.
8. Survey of American Children indicate that at age 8
about 60% have achieved adult swallowing pattern,
while remaining 40% are still in transition.
Eruption of Primary Dentition
Eruption of permanent dentition
9. Important features during transition from primary
dentition to permanent dentition:
• It is seen that both in maxillary and mandibular
arches the permanent incisor tooth buds lie lingual
to the primary incisors.
• As the result is the tendency for mandibular
incisor
10.
11. Permanent incisor teeth are considerably larger than
the primary incisor that they replace, as the each
permanent incisors and the canines are 2-3mm
wider than the their primary teeth, the spacing in
the primary dentition is not only important but it is
very critical.
12. Primate spaces/ Anthropoid spaces: The name given
for the spaces present mesial to the canines in the
maxillary arch and distal to the deciduous canines in
the mandibular arch. This is approximately 1-2mm
in each arch. The primate space are normal features
of deciduous dentition and are required critically for
accommodating the emerging permanent incisors.
13. This is the amount of discrepancy of space arising
during the eruption of permanent incisors.
When the central incisor erupt, these teeth use
essentially all the excess space found in the normal
primary dentition. Thus with the eruption of lateral
incisors the space situation becomes more tight in
both arches. In the maxillary arch, on the average,
has just enough space to accommodate the lateral
incisors. But in the mandible arch when the lateral
incisor erupt on the average 1.6mm less space
available for the four mandibular incisors.
Incisor liability:
14.
15. • This difference between the amount of space
needed for the incisors and the amount of available
space is termed as incisor liability
• Because of this a normal child will go through a
transitory stage of lower incisor crowding at the age
of 8-9yr.
• Continued development of arches improve this
spacing situation and by the time canines erupt the
space once again is adequate.
16. The problem of incisor liability is usually overcome
during normal growth by following mechanisms:
1. A slight increase in the width of the dental arch
across the canines. This increase is about 2mm
on an average. This increase more in the maxilla
compare to the mandible. And it is more in boys
compare to girls.
17. 2. Labial positioning of permanent incisors relative to
the primary incisors. The primary incisors tend to
stand upright. As the permanent incisor replace
they lean slightly forward arranging in the
broader arc. This is about 1-2mm in normal child.
3. Repositioning of the canines in the mandibular
arch. The permanent canine teeth not only widen
out slightly but move back into the primate
spaces.
18.
19. Ugly duckling stage: In the maxillary arch mutually
there will be a central diastema in the primary
dentition and it tend to close as the lateral incisor
erupt. Usually upper canines during their path of
eruption tends to go more mesial to hit the roots of
the lateral causing to increase the diastema and
transient lateral flaring maxillary lateral incisors. As
the canines erupt this situation of ugly duckling
stage is resolved.
20. Leeway space : In contrast to the lesser width of
primary incisors the primary molars have greater
mesiodistal width compare to the their permanent
premolars which eventually replaces them.
As the result each side of mandibular arch contents
about 2.5mm of space known as Leeway Space.
This Leeway space in the maxillary arch is 1.7mm.
Usually the lower permanent molar migrates forward
into this leeway space during the course of normal
development of dentition.
21.
22.
23. • The occlusal relationship in the mixed dentition
is usually flush terminal plane.
• The primary dentition equivalent of Angle Class
II is the distal step.
• A mesial step corresponds to class I
24. Transient Malocclusions during the course
of Normal development of Dentition.
1. Spacing in the primary dentition
2. Primate spaces
3. Ugly duckling stage
4. Lower incisor crowding – incisor liability
5. Flush terminal plane in the primary dentition
which eventually replaces to the class I in
permanent dentition.
6. Slight convex profile. As the mandibular
skeletal growth is slightly slower and continued
late during adolescent years.