Osce2 - OSCE 2 study guide PDF

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CASE ILilly is female toddler who presents for her first dental prophylaxis. Her parents express concern that only four of her teeth have erupted and they just noticed a “purple lump” on her gums.According to tooth eruption, the approximate age of the child is: 10 months_.Identify the teeth present:...

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CASE I Lilly is female toddler who presents for her first dental prophylaxis. Her parents express concern that only four of her teeth have erupted and they just noticed a “purple lump” on her gums.

According to tooth eruption, the approximate age of the child is: __10 months___. Identify the teeth present: ________e,f,p,o_____________ _ The muscle attachment located between the maxillary teeth is known as the _________labial frenum_________________ ________ The primary maxillary incisors are wider [X] than [Y].

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CASE II Harry is a 4 year old male who presents for a dental prophylaxis. His parents indicate he has very poor brushing habits due to his uncooperative disposition. You perform a restorative chart and note 4 teeth with suspicious caries.

Enamel matrix is ____96_______ % inorganic material. Enamel matrix is formed during the _apposition____ stage of tooth development. The next tooth to erupt in the dentition would most likely be tooth# ? 24, 25 permanent mandibular central incisors, The spacing noted between the primary teeth is termed: --------primate space---------------------- ---------

CASE III Lyla is a 12 year old female who presents for a dental prophylaxis. Her parents complain that she aggressively grinds and clenches her teeth and during the EIO, you note bilateral crepitus in the TMJ and

well-defined facial muscles. Intra-orally, you note wear facets on her molars. Radiographic examination of the area displays the PDL space on #19 is widened (shown by the blue circle).

The portion of the tooth germ responsible for the development of the PDL is the: _______dental sac_________ ________. What is the possible the etiology of widening of the the PDL? Traumatic forces of occlusion are

placed on a tooth

The masseter muscle origin is the ______zygomatic arch__________ and it inserts at the ____angle and ramus of the mandible____________. The masseter muscle is innervated by which cranial nerve? 5th What is the action of the masseter? Elevation of mandible (during jaw closing

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CASE IV Helen is a female who presents for dental prophylaxis. Helen’s parents are concerned that Helen doesn’t brush well enough because her teeth look “brown.”

To evaluate Helen’s brushing efficiency, you evaluate Helen’s gingiva (color, margins, etc). You determine her gingiva is generally (healthy/unhealthy) ____unhealthy______ _______________________. The brown spotting on her enamel represents a developmental disturbance that occurred during the __________apposition and maturation__________ stage(s) of tooth development. Based on the dentition, approximately how old is Helen? 9-10 What type of dentition does Helen present with? mixed What teeth in the permanent dentition are nonsuccedaneous (identify them by tooth #)?

1,2,3,14,15,16,17,18,19,30, 31, 32 ------------------------------ --

CASE V Mark is a 35 year old male who presents for a dental prophylaxis. While performing an EIO, you note yellow colored spotting on his lips.

Identify the yellow-white spots/finding present on his labial mucosa: fordyce spots What is the etiology of this finding? Normal Is this finding considered to be pathogenic? no What type of exocrine gland is associated with this condition? sebaceous ---------------

CASE VI Julia is an 80 year old female with epilepsy. She takes Dilantin daily as a seizure medication. As she has aged, she has had more difficulty with oral home care and is now complaining of having “swollen gums.”

The type of mucosa that appears enlarged is classified as _gingival hyperplasia__________ The etiology of this condition is: the intake of certain drugs for seizure control (phenytoin sodium),

certain antibiotics, and specific heart medication The extent of this condition is determined by? *the extent of the hyperplasia is determined by the

amount of plaque on the teeth*...