Part 1 Flashcards
The dental hygienist must be able to locate the larger blood vessels of the head and neck because
- Blood vessels can spread disease/infection.
- Blood vessels may become compromised during dental procedures (local injection) or durin disease processs.
The route from the aorta through the right side
Aorta – Brachiocephalic Artery – Right Common Carotid Artery/Right Subclavian Artery
The route from the aorta through the left side
Aorta – Left Common Carotid Artery/Left Subclavian Artery
Do the right and left common carotid arteries have branches?
No, they are branchless
Most reliable pusle
Carotid
Right and Left Carotid Arteries end by bifurcating into
Internal Carotid Artery and External Carotid Artery
Arteries that arises lateral to the common carotid arteries
Left and Right Subclavian Arteries
Left and right subclavian arteries supply blood to the
Arms
Arterial branches of the right and left subclavian arteries supply
- areas of the neck
- spnial cord
- brain
- areas such as the larynx, pharnyx, and upper tachea
Arteries that branch from the common carotid at the level of the larynx
Left and right internal carotid artery
Left and right internal carotid artery travels upwards and lateral to the
External carotid artery
Do the left and right internal carotid arteries have branches as they ascend to the skull?
No
Left and right internal carotid artery enters the bas of the skull at the
Carotid canal
Tissues supplied by the left and right internal carotid arteries
Intracranial structures - ophthalic artery which supplies the eye, orbit, and lacrimal gland
Artery that travels upward in more medial than the internal carotid
Left and right external carotid arteries
Tissues supplies by the left and right external carotid arteries
Extracranial tissues of the head and neck including the oral cavity
How many sets of main branches that communicate with each other do the extral carotid arteries have?
Four
The four divisions of the eight branches of the external carotid artery
- Anterior
- Medial
- Posterior
- Terminal
Anterior branches of the external carotid artery
- Superior Thyroid Artery
- Lingual Artery
- Facial Artery
Medial branches of the external carotid artery
Ascending Pharyngeal Artery
Posterior branches of the external carotid artery
- Occipital Artery
- Posterior Auricular Artery
Terminal branches of the external carotid artery
- Superficial Temporal Artery
- Maxillary Artery
Can the ascending pryngeal branch be seen on diagrams?
No
Superior thyroid artery’s four branches
- Infrahyoid
- Sternoceidomastoid
- Superior laryngeal
- Cricothyroid
Superior thyroid artery’s infrahyoid branch supplies
Infrahyoid muscle
Superior thyroid artery’s sternocleidomastoid branch supplies
Sternocleidomastoid muscle
Superior thyroid artery’s superior laryngeal branch supplies
Muscles of the larynx
Lingual artery’s five branches
- Dorsal lingual artery
- Deep lingual artery
- Sublingual artery
- Suprahyoid artery
- Tonsillar branch artery
Lingual artery’s dorsal lingual artery branch supplies
Tongue base and body
Lingual artery’s deep lingual artery branch supplies
- Apex of tongue
- Floor of mouth
Lingual artery’s sublingual artery branch supplies
- Sublingual salivary gland
- Floor of mouth
- Lingual periodontium/gingival of mand teeth
Lingual artery’s suprahyoid artery branch supplies
Suprahyoid muscles
Lingual artery’s tonsillar branch artery supplies
- Lingual tonsils
- Soft palate
Facial Artery’s six branches
- Ascending palatine
- Submental
- Glandular branches
- Inferior labial
- Superior labial
- Angular arteries
Facial artery’s ascending palatine branch supplies
- Soft palate
- Palatine muscles
- Palatine tonsils
Facial artery’s submental branch supplies
- Submandibular nodes
- Mylohyoid & diagrastric muscles
Facial artery’s glandular branches supplies
Submandibular glands
Facial artery’s inferior branch supplies
- Lower lip tissues
- Muscles of facial expression
Facial artery’s superior labial branch supplies
- Upper lip tisues
- Muscles of facial expression
Facial artery’s angular arteries branches supplies
Termination of facial artery and supplies tissues along the side of the nose
Medial exteral carotid artery’s ascending pharyngeal artery’s branches
- Pharyngeal branch
- Meningeal branch
Ascending pharyngeal artery’s pharyngeal branch supplies
- Pharngeal walls
Asceding pharyngeal artery’s meningeal branch supplies
- Meninges
- Tonsils
Posterior branches of the external carotid artery
- Occipital artery
- Posterior auricular artery
Occipital artery’s branches
- Muscular branch
- Sternocleidomastoid
- Auricular
- Meningeal
Occipital artery’s muscular branch supplies
Suprahyoid muscles
Occiptial artery’s sternocleidomastoid brach supplies
Sternocleidomastoid muscle
Occipital artery’s auricular branch supplies
Scalp
Occipital artery’s meningeal branch supplies
Meningeal tissues
Posterior auricular artery branches
- Auricular branch
- Stylomastoid artery
Posterior auricular artery’s auricular branch supplies
Interal ear
Posterior auricular artery’s stylomastoid artery supplies
Mastoid air cells
Superficial temporal artery’s branches
- Transverse facial artery
- Middle temporal artery
- Frontal branch
- Parietal branch
Superficial temporal artery’s transverse facial artery supplies
Parotid salivary gland duct and nearby facial tissues
Superfical temporal artery’s middle temporal artery supplies
Temporalis muscle
Superficial temporal artery’s frontal branch supplies
Frontal portion of scalp
Superficial temporal artery’s parietal branch supplies
Parietal region of scalp
Maxillary artery’s branches
- Middle meningeal artery
- Inferior alveolar artery
- Muscular artery branches
- Posterior superior alevolar artery
- Infraorbital artery
- Greater palatine artery
- Lesser Palatine Artery
- Sphenpalatine Artery
Maxillary artery branches into inferior alveolar artery which branches into
- Dental branch
- Alveolar branch
- Mylohyoid artery
- Mental artery
- Incisive artery (dental + alveolar branches)
Maxillary artery branches into muscular artery which branches into
- Deep temporal artery
- Pterygoid artery
- Masseteric artery
- Buccal artery
Maxillary artery’s middle meningeal artery branch supplies
Meninges of brain and bones of skull (enters through foramen spinsosum)
Maxillary artery’s inferior alveolar artery branches into the dental branch which supplies
Pulp of mandibular posterior teeth
Maxillary artery’s inferior alveolar artery branches into the alveolar branch which supplies
Buccal of periodontium & gingiva of the manibular posterior
Maxillary artery’s mylohyoid artery branch supplies
Floor of the mouth and mylohyoid muscle
Maxillary artery’s mental artery branch supplies
Tissues of the chin and anastomoses with inferior labial
Maxillary artery’s incisive artery branches into the dental branch which supplies
Pulp tissues of the manibular anterior teeth
Maxillary artery’s incisive artery branches into the alveolar branch which supplies
Buccal periodontium and gingiva of the mandibular anterior
Maxillary artery branches into muscular arterty branches which branches into deep temporal artery which supplies
Temporalis muscle
Maxillary artery branches into muscular artery branches which branches into the pterygoid artery which supplies
Lateral and medial pterygoid muscles
Maxillary arches branches into muscular artery branches which brances into the masseteric artery which supplies
Masseter muscle
Maxillary artery branches into muscular artery branches which branches into the buccal artery which supplies
Buccinator muscle and buccal region
Maxillary artery branches into posterior alveolar artery which branches into the dental branch which supplies
Maxillary posterior teeth (pulp)
Maxillary artery branches into poterior alveolar artery which branches into the alveolar branch which supplies
Buccal periodontium & gingiva of the maxillary posteror & maxillary sinus
Maxillary artery branches into infraorbital artery which branches into the orbital artery which supplies
Orbit
Maxillary artery branches into the infraorbital artery which branches into the anterior superior alveolar artery which branches into the dental branch which supplies
Maxillary anterior teeth (pulp)
Maxillary artery branches into the infraoribital artery which branches into the anterior superior alveolary artery which branches into the alveolar branch which supplies
Maxillary anterior labial periodontium and gingiva of the anterior region
Maxillary artery branches into infraorbital artery which branches into middle superior alveolar artery which branches into the dental branch which supplies
Premolar teeth (pulp)
Maxillary artery branches into inraorbital artery which branches into middle sperio alveolar artery which branches into the alveolar branch which supplies
Buccal periodontium & gingiva of premolars
Maxillary artery branches into greater palatine artery which supplies
Posterior hard palate
Maxillary artery branches into the lesser palatine artery which supplies
Soft palate & palatal periodontium & gingiva
Maxillary artery branches into the sphenopalatine artery which branches into the nasal branches which supplies
Nasal cavity
Maxillary artery branches into the sphenopalataine artery which branches into the nasopalatine which supplies
Anterior hard palate (palatal periodoontium of maxillary anterior)
Which branch of the maxillary artery is not always present?
Middle superior alveolar artery
Label #1
Sphenopalatine Artery
Label #2
Infraorbital Artery
Label #3
Posterior Superior Alveolar Artery
Label #4
Anterior Superior Alveolar Artery
Label #5
Dental & Alveolar Branches of Superior Alveolar Artery
Label #6
Dental & Alveolar Branches of Incisive Artery
Label #7
Incisive Artery
Label #8
Mental Artery
Label #9
Deep Temporal Artery
Label #10
Superficial Temporal Artery
Label #11
Middle Meningeal Artery
Label #12
Maxillary Artery
Label #13
Massectric Artery
Label #14
Pterygoid Artery
Label #15
Buccal Artery
Label #16
Mylohyoid Artery
Label #17
Inferior Alveolar Artery
Label #18
Left External Carotid Artery
Label #1
Angular Artery
Label #2
Superior Labial Artery
Label #3
Inferior Labial Artery
Label #4
Submental Artery
Label #5
Glandular Branches
Label #6
Submandibular Gland
Label #7
Parotid Gland
Label #8
Ascending Palatine Artery
Label #9
Facial Artery
Label #10
Lingual Artery
Label #11
External Carotid Artery
Blood supply pathway for infrahyoid muscle
External Carotid Artery > Superior Thyroid > Infrahyoid > Infrahyoid Muscle
Blood supply pathway for sternocleidomastoid muscle
External Carotid Artery > Superior Thyroid > Sternocleidomastoid > Sternocleidomastois Muscle
Blood supply pathway for muscles of the larynx
External Carotid Artery > Superior Thyroid > Superior Laryngeal > Muscles of the Larynx
Blood supply pathway for the thryoid gland
External Carotid Artery > Superior Thyroid > Cricothryoid > Thryoid Gland
Blood supply pathway for the apex of the tongue and floor of the mouth
External Carotid Artery > Lingual Artery > Deep Lingual Artery > Apex of the Tongue and Floor of the Mouth
Blood supply pathway for the base and body of the tongue
External Carotid Artery > Lingual Artery > Dorsal Lingual Artery > Tongue Base and Body
Blood supply pathway for the sublingual salivary gland, floor of the mouth, lingual periodontium/gingiva of the manibular teeth
External Carotid Artery > Linguial Artery > Sublingual Artery > Sublingual Salivary Gland, Floor of the Mouth, Lingual Periodontium/Ginigva of the Mandibular Teeth
Blood supply pathway for the suprahyoid muscles
External Carotid Artery > Lingual Artery > Suprahyoid Artery > Suprahyoid Muscles
Blood supply pathway for the lingual tonsils and soft palate
External Carotid Artery > Lingual Artery > Tonsillar Branch Artery > Lingual Tonsils and Soft Palate
Blood supply pathway for the soft palate, palatine muscles, and palatine tonsils
External Carotid Artery > Facial Artery > Ascending Palatine > Soft Palate, Palatine Muscles, and Palatine Tonsils
Blood supply pathway for the submandibular nodes, mylohyoid, and diagastric muscles
External Carotid Artery > Facial Artery > Submental > Submandibular Nodes, Mylohyoid, and Diagastric Muscles
Blood supply pathway for the submandibular glands
External Carotid Artery > Facial Artery > Glandular Branches > Submandibular Glands
Blood supply pathway for the lower lip tissues and muscles of facial expression
External Carotid Artery > Facial Artery > Inferior Labial > Lower Lip Tissues and Muscles of Facial Expression
Blood supply pathway for the upper lip tissues and muscles of facial expression
External Carotid Artery > Facial Artery > Superior Labial > Upper Lip Tissues and Muscles of Facial Expression
Blood supply pathway for the tissues along side the nose
External Carotid Artery > Facial Artery > Angular Arteries > Tissues Along Side the Nose
Blood supply pathway for the pharyngeal walls and soft palate
External Carotid Artery > Ascending Pharyngeal Artery > Pharyngeal Artery > Pharyngeal Walls and Soft Palate
Blood supply pathway for the meninges and tonsils
External Carotid Artery > Ascending Pharyngeal Artery > Meningeal Branches > Meninges and Tonsils
Blood suppy pathway for suprahyoid
External Carotid Artery > Occipital Arerty > Muscular Branch > Suprahyoid
Blood suppy pathway for sternocleidomastoid muscle
External Carotid Artery > Occiptal Artery > Sternocleidomastoid > Sternocleidomastoid Muscle
Blood supply pathway for the scalp
External Carotid Artery > Occipital Artery > Auricular > Scalp
Blood supply pathway for the meningeal tissues
External Carotid Artery > Occipital Artery > Meningeal > Meningeal Tissues
Blood supply pathway for the internal ear
External Carotid Artery > Posterior Auricaular Artery > Auricular Branch > Internal Ear
Blood supply pathway for the mastoid air cells
External Carotid Artery > Poserior Auricaular Artery > Stylomastoid Artery > Mastoid Air Cells