- Normal colour of
- Primary teeth = China white
- Permanent teeth = Ivory white
- In primary dentition =
- dentine is uniformly calcified
- Enamel and dentin is less mineralized
- Enamel and dentin thickness is less
- DEJ is less scalloped
- Main difference between primary and permanent tooth = Mineral content
- Cleft of secondary palate causes = cleft lip
- Ectodermal dysplasia in 3-year-old child with only primary molars and canine and overall appearance of an older person
- Treatment of geographic tongue = No treatment
- Dentinogenesis Imperfecta
- Grey in colour
- Exhibit extensive occlusal and incisal wear
- r/g = secondary dentin deposition
- Transillumination of soft tissue is useful in detection of = Sialolithiasis
- KOPLIK SPOTS
- Small irregular bright red spots with white specks in centre
- Indicate the onset of RUBEOLA/MEASLES
- MC cause of acute generalised inflammation
- in pre-school children = Acute herpetic gingivostomatitis/ herpes
- Child with fever of 102*C and vesicles in oral cavity
- Rx = symptomatic rx for fever and prevent secondary infection and dehydration
- In adolescents = ANUG
- in pre-school children = Acute herpetic gingivostomatitis/ herpes
- Apthous ulcer should be treated by = Palliation and Patience
- Rx of severe intraoral infection differs from that in adult because = dehydration occurs more rapidly and severely in children
- The purulent lesion in the oral vestibule of an 8-year-old child = ODONTOGENIC FISTULA
- Bluish dome shaped lesion on the inside of a lip = Mucocele
- MC in children = gingivitis
- Reaches in its severity at peak of = 11 – 13 years
- Gingiva in children = less keratinized, less stippled
- NOT seen on attached gingiva = interdental clefts
- Gingival stripping in children = due to narrow attached gingiva
- Periodontosis or Juvenile Periodontitis
- Vertical pockets around incisors and first molars
- Presence of plaque isn’t consistent with inflammatory findings
- NOT related to gingival inflammation = Spirochetal infection
- Pulp starts reacting to caries when carious lesion reaches = Dentinoenamel Junction
- Periapical abscess more diffuse in primary teeth because = Alveolar bone surrounding the teeth is less dense
- Gingival abscess is common in primary teeth because = More accessory canals are present on buccal surface with porous floor and thin bony surface
- MCC of draining sinuses in oral cavity of children = chronic periapical abscess
- Hypoplasia of primary enamel that forms before birth is = RARE
- Eruptive cysts are best treated by = No treatment, only observation
- A disease that only affects formation and eruption of tooth but doesn’t cause hypoplasia = RICKETS
- OSTEOGENESIS IMPERFECTA = doesn’t cause delayed eruption
- MANDIBULAR second premolar = shows greatest variation relative to the onset of mineralization of crowns
- Child with Down syndrome (all are important points)
- Affectionate and cooperative
- Capable of understanding operative procedures
- Fearful of quick movements
- Simian crease in hand
- Head shape = brachycephalic
- Incidence of caries = less as compared to general population
- High incidence of periodontal disease
- Retarded eruption
- Delayed exfoliation**
- Retained deciduous teeth and microdontia
- Typical face = hypoplastic maxilla
- IQ = 120 – 139
- Syndrome associated with congenital heart lesions
- Fluoride is contraindicated in = Chronic renal failure
- DIABETES
- Serious complication of juvenile diabetes/ DM – 1 = blindness
- MC type of diabetes = DM – type 2
- Level of glucose for diabetic ketoacidosis = 300 to 600 mg/dl
- LEUKAEMIA
- Child suffering from acute leukaemia is more susceptible to = Oral infections
- Primary cause of death in patients = Infections
- TRUE STATEMENTS
- May be manifested by mucosal pallor
- Cause Obvious Purpura
- Lymphoblastic variety
- Line of Rx for periapical abscess = Obtain medical consultation before treatment
- Down Syndrome = 10 – 20 fold increased risk of leukaemia pt
- HEMOPHILIA
- Epsilon aminocaproic acid = given to haemophilic child before surgical procedures to control bleeding
- Line of Rx for periapical abscess = Obtain blood count before extraction, determine the amount and duration of factor concentrate replacement
- In extraction cases, Minimal level of Factor VIII = 50%
- Minimal level needed for adequate hemostasis = over 25%
- 5 years old, primary second molar with non vital pulp is treated by = conventional pulpectomy
- Mode of anaesthesia contraindicated = INTRAMUSCULAR
- MC type = Hemophilia A
- CYSTIC FIBROSIS (all points imp)
- Maldigestion and malnutrition
- Chronic respiratory infection
- Thyroid deficiency
- Water and electrolyte imbalance
- Staining of teeth = yellow in colour
- Yellowish primary tooth due to trauma indicates = calcific reaction of pulp
- Pink primary tooth indicates = Internal resorption
- TETRACYCLINE PIGMENTATION
- Yellow primary tooth, under UV light – faint overall yellow green autofluorescence = Tetracycline pigmentation
- TS occurs in primary tooth during the period of = mineralization of first millimetre of dentin at DEJ
- Tetracycline administration causes primary tooth staining = upto 9th month of life
- Sensitive period for tetracycline discolouration
- PRIMARY
- Max and mand incisors = 4 months in utero to 3 months postpartum
- Max and mand canines = 5 months in utero to 9 months postpartum
- PERMANENT
- Max and mand incisors and canines = 3 months postpartum to seventh year of life
- PRIMARY
- SEIZURES
- Rx of Petit mal seizure in dental office = Watch until episode passes away
- Occurring in children several times in a day with no involvement of aura = Petit Mal
- MC type of epilepsy seen in children = Petit Mal
- Following are associated with slowness of mental retardation in a child
- Family history
- Metabolic disease
- Pregnancy and delivery history
- Phenylketonuria
- Galactosaemia
- Non trainable type of mental retardation = IQ level of below 20
- CEREBRAL PALSY
- Features seen
- Increases Caries
- Increased salivation
- NOT SEEN = fluorosis
- Most of CP children = SPASTIC
- MC type of CP = Spastic and Athetosis
- SPASTICITY = characterised by sudden violent involuntary contraction of a muscles
- TYPES
- Spasticity = muscular contractions which are irregularly spaced and have no purpose
- Athetosis = slow, worm like, constant involuntary uncontrollable purposeless movements
- Ataxia = disturbances of balance and equilibrium
- Rigidity = marked resistance to passive motion
- MC classifications = physiological and topographic
- Oral Manifestations
- Periodontal diseases
- High incidence of caries
- Attrition of teeth due to bruxism
- Class II Divison 2 = mc malocclusion observed in pt with spastic type
- Features seen
- AUTISM
- Delayed milestones, playing with herself, unable to make friends, and difficulty in learning
- It is a severely incapacitating disturbance of mental and emotional development that causes problem in learning, communication and relating to others
- Incapacitance of emotional and mental disturbance
- Parrot like repetition speech
- Also known as Kanner’s syndrome
- RESTRAINTS
- In uncooperative child, last resort is = Physical restraints
- TRUE STATEMENTS
- Papoose board is for restraining body
- Use of restraining device is a passive method
- Posey straps are used for restraining extremities
- MC restraints in children with neuromuscular diseases = Papoose Board
- Mouth props are used as = Restrainers
- Bean body is used in dental chair for = Restraining body
- BACTERIAL ENDOCARDITIS
- Antibiotic prophylaxis = 1 hour before
- Prophylactic antibiotic coverage in a child with history of rheumatic fever is precaution against developing = subacute bacterial endocarditis
- MOUTH BREATHING
- Reliable method for quantifying the extent of mouth breathing = Rhinomanometry
- TRUE STATEMENTS
- Increase incidence of caries in open bite cases
- Decrease in masticator scouring action in the area of open bite
- GENOME
- Albino mother, normal father, chances of children being carriers = 50% carriers
- ALBINISM = Autosomal Recessive, alternate generations, not affected by sex
- Normal parents, affected male infant = Polygenic disorder
- Affected father, one child affected out of three = Autosomal Dominant
- Affected fathers, affected grandsons = X linked recessive
- Affected fathers, affected grand-daughters = X linked dominant
- HANDICAPPED CHILDREN
- Radiograph of choice = panoramic
- Mc tooth brushing technique = Horizontal scrub
- Use of penicillin on a patient with asthma = CONTRAINDICATED
- Chicken wire appearance of alveolar bone = THALASSAEMIA
- Virus responsible for causation of AIDS = HTLV 3
- Denture bearing mucosa in children as compared to adults = thinner and well-circulated
- Impression taking order in paediatric prosthetic procedures = upper first and then of lower jaw
- Green stains frequently seen in children’s teeth = chromogenic bacteria
- Tender, painful, unilateral or bilateral swelling of salivary glands = Parotitis or Mumps
- Dentinogenesis Imperfecta = dark brown coloured tooth, frequently broken bones associated with blue sclera
- Delayed eruption of permanent teeth and large tongue = Hypothyroidism
- Premature eruption of permanent teeth and large tongue = Hyperthyroidism
- Fever, acute painful ulcers, lymphadenopathy = Acute herpetic gingivostomatitis
- Exanthematous fever and strawberry tongue = Scarlet fever
- Congenital anodontia and perspiration = Ectodermal dysplasia
- Brown discoloration of teeth, malnutrition, steatorrhoea, disturbances in function of exocrine glands = Cystic Fibrosis
- Multiple supernumerary teeth unerupted with open fontanelle and abnormal development of clavicles = Cleidocranial dysostosis
- Causes both hypocalcified as well as irregular but well calcified enamel = Amelogenesis Imperfecta
- Flabby white lesions occur bilateral and seen in few other members of family = White sponge nevus
- DRUGS
- MC used antibiotic in child allergic to penicillin = Erythromycin
- Common antagonist of meperidine = NALOXONE
- Moniliasis/Candidiasis
- Unfavourable oral sequel with prolonged use of antibiotics in children
- Thick curd like white patch, on rubbing leaves erythematous patch
- PERCENTAGES
- Gingivitis at age of 1 – 13 years = 90%
- Periodontitis by age 18 years = 25%
- Dentitia Tarda = Retaded eruption of deciduous dentition
- MC malignant tumour = Osteosarcoma
- Chronic periapical infection in primary molars, first noted as = rarefaction of bony furcation
- MC cause for gingival fistula = chronic apical lesion
- CLEFT PALATE
- Alveolar grafting in a pt of cleft should be ideally placed = after maxillary expansion, cross bite correction and before cuspid eruption
- After treating the cleft palate, the occlusion is = Unilateral and bilateral crossbite
