Dental Anatomy and Lymphatic Drainage: Maxillary and Mandibular Teeth, Nerve Innervation, and Blood Supply

FDI 18 (Maxillary 3rd molar) lymph drainage

T1: Upper Deep Cervical → T2: Lower Deep Cervical

FDI 17 (Maxillary 2nd molar) lymph drainage

Primary: Submandibular → Secondary: Upper Deep Cervical → Tertiary: Lower Deep Cervical

FDI 16 (Maxillary 1st molar) lymph drainage

Primary: Submandibular → Secondary: Upper Deep Cervical → Tertiary: Lower Deep Cervical

FDI 15 (Maxillary 2nd premolar) lymph drainage

Primary: Submandibular → Secondary: Upper Deep Cervical

FDI 13-11 (Maxillary anterior teeth) lymph drainage

Primary: Submandibular → Secondary: Upper Deep Cervical

FDI 48 (Mand 3rd molar) lymph drainage

Primary: Upper Deep Cervical → Secondary: Lower Deep Cervical

FDI 47-45 (Mand posterior teeth) lymph drainage

Primary: Submandibular → Secondary: Upper Deep Cervical

FDI 44-31 (Mand incisors/canines) lymph drainage

Primary: Submental → Secondary: Submandibular → Tertiary: Upper Deep Cervical

PSA nerve (V2)

Innervates maxillary molars except MB root of 16/26; buccal gingiva; maxillary sinus

MSA nerve (V2)

Innervates maxillary premolars + MB root of 16/26; buccal gingiva; maxillary sinus

ASA nerve (V2)

Innervates FDI 13-11; buccal/labial gingiva; maxillary sinus

GP nerve (V2)

Innervates palatal gingiva of posterior maxilla (no teeth)

NP nerve (V2)

Innervates palatal gingiva 13-11 (no teeth)

Zygomaticofacial nerve (V2)

Skin of cheek

Zygomaticotemporal nerve (V2)

Skin of temple

Lingual nerve (V3)

Anterior 2/3 tongue, floor of mouth, lingual gingiva

Buccal nerve (V3)

Buccal gingiva 46-48 + cheek mucosa

IA nerve (V3)

All mandibular teeth in quadrant

Mental nerve (V3)

Lower lip, chin, buccal gingiva of anteriors

Incisive nerve (V3)

FDI 33-31 and 41-43

Mylohyoid nerve (V3)

MOTOR: mylohyoid + anterior digastric

PSA artery

Blood supply to maxillary molars + sinus

ASA artery

Blood supply to maxillary anteriors + sinus

IA artery

Blood supply to all mandibular teeth

Submental nodes Drain

mandibular incisors (31-41), midline lower lip, chin, tongue tip

Submandibular nodes Drain:

all maxillary teeth except 18/28; mand posteriors 34-47; cheek; floor of mouth

Upper Deep Cervical nodes drain

maxillary and mandibular 3rd molars, tonsils, soft palate, posterior tongue

Lower Deep Cervical nodes Drain

upper deep cervical nodes