OSCE DENTAL HYGIENE CORE EXAMS MAIN
QUESTIONS AND ANSWERS SURE A+
✔✔Occlusal - ✔✔-Captures bone surrounding the teeth, floor of the mouth, sialolith
(stone), supernumerary teeth, etc.
✔✔Full-mouth series (FMX) - ✔✔-Represent the entire dentition using a combination of
PAs and BWs.
✔✔Incipient caries - ✔✔Lesion that extends less than halfway through the enamel.
✔✔Moderate carious lesion - ✔✔Lesion that extends more than halfway through the
enamel but does not involve the DEJ.
✔✔Advanced carious lesion - ✔✔Lesion that extends to or through the DEJ but does
not extend more than half the distance to the pulp.
✔✔Severe carious lesion - ✔✔Lesion that extends through enamel, through dentin, and
more than half the distance to the pulp.
✔✔Recurrent caries - ✔✔Appear under restorations
✔✔Slight bone loss - ✔✔loss of 20% of normal supporting bone.
, ✔✔Moderate bone loss - ✔✔loss of 20%-50% of normal supporting bone.
✔✔Severe bone loss - ✔✔loss of over 50% of normal supporting bone.
✔✔Widening of PDL can be caused by what two factors? - ✔✔-Periodontal disease
-Trauma
✔✔Root fracture - ✔✔Horizontal or vertical crack.
✔✔Periapical abscess - ✔✔Radiolucent area located at the end of a symptomatic tooth
with infected pulp.
✔✔Periodontal abscess - ✔✔Radiolucent area located at the end or lateral part of the
root.
✔✔Mandibular tori - ✔✔benign bony growth on the lingual surface of the mandible.
✔✔Overhang - ✔✔over contouring of dental material beyond the cavity margin.
✔✔Fluorosis - ✔✔-Caused by excessive fluoride.
✔✔Amelogenesis imperfecta - ✔✔-May show pitting (mottled appearance),
smoothness, or roughness.
-May appear yellow and is soft in texture, leading to the exposure of dentin.
✔✔Dentinogenesis imperfecta - ✔✔-Affected teeth appear opalescent and
brownish/blue in color.
-Primary teeth are usually affected more severely than permanent teeth.
-Radiographically, no pulp chambers or root canals are seen.
✔✔Diastema - ✔✔-Space between two adjacent teeth.
✔✔Filiform papillae - ✔✔most numerous papillae on the dorsal surface.
✔✔Fungiform papillae - ✔✔mushroom-shaped papillae, appear as red dots.
✔✔Sulcus terminalis - ✔✔v-shaped groove separating the body and the base of the
tongue.
✔✔Lingual papillae - ✔✔larger papillae at the base of the tongue.
✔✔Lingual tonsil - ✔✔located at the base of the tongue posterior to the circumvallate
papillae.
QUESTIONS AND ANSWERS SURE A+
✔✔Occlusal - ✔✔-Captures bone surrounding the teeth, floor of the mouth, sialolith
(stone), supernumerary teeth, etc.
✔✔Full-mouth series (FMX) - ✔✔-Represent the entire dentition using a combination of
PAs and BWs.
✔✔Incipient caries - ✔✔Lesion that extends less than halfway through the enamel.
✔✔Moderate carious lesion - ✔✔Lesion that extends more than halfway through the
enamel but does not involve the DEJ.
✔✔Advanced carious lesion - ✔✔Lesion that extends to or through the DEJ but does
not extend more than half the distance to the pulp.
✔✔Severe carious lesion - ✔✔Lesion that extends through enamel, through dentin, and
more than half the distance to the pulp.
✔✔Recurrent caries - ✔✔Appear under restorations
✔✔Slight bone loss - ✔✔loss of 20% of normal supporting bone.
, ✔✔Moderate bone loss - ✔✔loss of 20%-50% of normal supporting bone.
✔✔Severe bone loss - ✔✔loss of over 50% of normal supporting bone.
✔✔Widening of PDL can be caused by what two factors? - ✔✔-Periodontal disease
-Trauma
✔✔Root fracture - ✔✔Horizontal or vertical crack.
✔✔Periapical abscess - ✔✔Radiolucent area located at the end of a symptomatic tooth
with infected pulp.
✔✔Periodontal abscess - ✔✔Radiolucent area located at the end or lateral part of the
root.
✔✔Mandibular tori - ✔✔benign bony growth on the lingual surface of the mandible.
✔✔Overhang - ✔✔over contouring of dental material beyond the cavity margin.
✔✔Fluorosis - ✔✔-Caused by excessive fluoride.
✔✔Amelogenesis imperfecta - ✔✔-May show pitting (mottled appearance),
smoothness, or roughness.
-May appear yellow and is soft in texture, leading to the exposure of dentin.
✔✔Dentinogenesis imperfecta - ✔✔-Affected teeth appear opalescent and
brownish/blue in color.
-Primary teeth are usually affected more severely than permanent teeth.
-Radiographically, no pulp chambers or root canals are seen.
✔✔Diastema - ✔✔-Space between two adjacent teeth.
✔✔Filiform papillae - ✔✔most numerous papillae on the dorsal surface.
✔✔Fungiform papillae - ✔✔mushroom-shaped papillae, appear as red dots.
✔✔Sulcus terminalis - ✔✔v-shaped groove separating the body and the base of the
tongue.
✔✔Lingual papillae - ✔✔larger papillae at the base of the tongue.
✔✔Lingual tonsil - ✔✔located at the base of the tongue posterior to the circumvallate
papillae.
