Chapter 3 Flashcards
Is Hyperthyroidism associated with delayed or premature eruption of teeth?
PREMATURE
Also associated with premature eruption... Hemifacial hypertrophy Soto syndrome Precocious puberty Osteogenesis imperfecta Sturge weber Chondroectodermal dysplasia Hyperthyroidism Pachyonychia congenita
T/F: Calcification of mandibular second premolars begins between year 2.25 and 2.5. Sometimes it can be delayed and may start after 4 years of age. In rare case reports they have begun to develop at age 10 or even 12
True
Which is the largest cusp on a mandibular SECOND primary molar?
distoBUCCAL
Clinical emergence of a tooth occurs when how much of the root is formed?
3/4; teeth reach occlusion before the root development is complete
What is the term for a tiny spicule of nonviable bone (or dentin, cementum; estrogenic or odontogenic tissue) overlying the crown of an erupting permanent molar just before or after the emergence of the cusps through the oral mucosa?
Eruption sequestration
In females, the permanent maxillary canine usually erupts at age?
12
What is the largest and sharpest cusp of the maxillary primary molar (B and I)?
Mesiobuccal
What is the order of mandibular teeth eruption?
6 1 2 3 4 5 7
Which tooth buds are initiated after birth?
1st, 2nd premolars and 2nd and 3rd molars ONLY
Which is the largest cusp on a mandibular first primary molar (L and S) and also on maxillary second molars (A,J)
mesioLINGUAL
All primary teeth are present in the child’s mouth by age?
36 months - 3 years
What is the order of maxillary teeth eruption?
6 1 2 4 5 3 7
REVIEW: Following are associated with premature exfoliation
Vitamin D resistant rickets Leukemia Cyclic neutropenia Odontodysplasia Fibrous dysplasia Hypophosphatasia Acrodynia Prepubertal periodontitis Papillon-Lefevre Chediak-Higashi Histiocytosis Hemihypertrophy Premature teeth Dentin dysplasia
