Gingival Sulcus

Gingival Sulcus

Question 1. Fossa.
Answer:

• It is an irregular depression or concavity found on the tooth surface.

Depending on their locations, they are named as:

1. Lingual fossa – on the lingual surface of incisor.
2. Central fossa – On the occlusal surface of molars.
3. Triangular fossa – On occlusal surfaces of molars & premolars mesial or distal to the marginal ridges.
   • Sometimes found on the lingual surfaces of maxillary incisors at the edge of the lingual fossae.

“Understanding the gingival sulcus through FAQs: Anatomy, functions, and uses explained”

“Importance of studying the gingival sulcus for dental students: Questions explained”

Question 2. Sulcus.
Answer:

• It is a long depression or valley over the occlusal surfaces of the posterior teeth between the ridges and cusps.
• The inclines of the valley meet at an angle.
• It has a development groove at the junction of its incline.

Question 3. Grooves.
Answer:

• They are development faults, clefts, or shallow grooves usually found on the occlusal or buccal& lingual surfaces of posterior teeth.

1. Development groove:

• A groove separates the primary parts of the crown or root.

2. Supplemental groove:

• It is a shallow linear depression on the tooth surface, supplemental to the developmental groove.

3. Buccal and lingual grooves:

• Found on the buccal and lingual surfaces of posterior teeth.

“Common challenges in mastering gingival sulcus notes effectively: FAQs provided”

Appearance:

• They may be

1. Shallow and wide
2. Deep and narrow

Function:

• Play an important role in the initiation of tooth decay.

“Factors influencing success with gingival sulcus studies: Q&A”