315+ quick-fire dental facts • tap a card to flip
The mastoid foramen transmits an emissary vein and a mastoid branch of the occipital artery.
Mastoid foramen transmits:
1). Emissary vein connecting sigmoid sinus to posterior auricular vein + mastoid branch of occipital artery
2). VII
3). VIII
4). IX
The palatine bone articulates with all of the following except
1.sphenoid
2. ethmoid
3. zygomatic
4. vomer
The pterygoid canal transmits the Vidian nerve, formed by the greater petrosal and deep petrosal nerves, along with Vidian vessels.
Pterygoid canal (Vidian canal) transmits:
1). Vidian nerve (greater petrosal + deep petrosal) + Vidian vessels
2). V2
3). V3
4). Optic nerve
The maxillary artery is the terminal and largest branch of the ECA. It supplies the deep face and has three parts: mandibular (middle meningeal, inferior alveolar), pterygoid (masseteric, deep temporal, buccal), and pterygopalatine (PSA, infraorbital, sphenopalatine, etc.).
Which artery is terminal and largest branch of ECA?
1). Superior thyroid
2). Lingual
3). Maxillary artery
4). Facial
A well-defined or heart-shaped radiolucency larger than approximately 6-8 mm in the midline between vital maxillary central incisors suggests a nasopalatine duct cyst.
On maxillary periapical, corticated radiolucency in midline greater than 8 mm between central incisors with vital teeth suggests:
1) Normal nasopalatine foramen
2) Nasopalatine duct cyst
3) Radicular cyst
4) Median palatine suture
The temporomandibular or lateral ligament thickens the lateral capsule and limits posterior displacement and excessive opening of the mandible. The sphenomandibular and stylomandibular ligaments are accessory ligaments.
Which ligament is considered the true ligament of TMJ and prevents excessive mouth opening?
1) Sphenomandibular ligament
2) Stylomandibular ligament
3) Temporomandibular (lateral) ligament
4) Pterygomandibular raphe
The predominant cell of connective tissue is:
1) Neutrophills
2) RBC
3) Fibroblasts
4) None
The tongue deviates toward the weak side. LMN lesions may also show atrophy and fasciculations.
Hypoglossal nerve lesion causes tongue to deviate:
1). Away from lesion
2). Toward lesion
3). No deviation
4). Upwards
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