Medical Conditions and Periodontium

Question 1

Describe features of Down syndrome

Answer 1

Trisomy of chromosome 21

Orally-
Class 3 occlusion
Anterior open bite
Large tongue
Lack of lip seal
Prone to infections- NUG
more susceptible to periodontal disease- impaired chemotaxis and phagocytosis of pmnls.
Less prone to caries

Question 2

Describe features of papillon lefevre

Answer 2

Autosomal recessive disorder
Keratotic areas on palms and soles of feet
Premature loss of primary teeth
Early eruption of permanent teeth
Aggressive periodontitis in permanent dentition
Progressive bone loss until permanent teeth are lost

Question 3

Describe features of hereditary gingival fibromatosis

Answer 3

Autosomal dominant
Associated with the permanent dentition
Enlarged gingival tissues- excess collagen production
May delay eruption of teeth
Can interfere with speech and mastication

Question 4

Describe features of mucopolysaccharidoisis

Answer 4

Hurlers/ hunters syndrome
Small widely spaced teeth
Delayed eruption
Gingival enlargement