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NEETMDS- Periodontics mcq
MDS PREP
Which of part of the instrument should remain parallel (whenever possible) to the long axis of the tooth? 
 1. Blade
 2. Cutting edge
 3. Handle
 4. Shank
Periodontics Answer: 4

The part of the instrument that should remain parallel to the long axis of the tooth is the shank.

Bacterial invasion of connective tissue in ANUG was demonstrated by 
 1. Glickmann
 2. Listgarten
 3. Lindhe
 4. Wearlug
Periodontics Answer: 2

Bacterial invasion of connective tissue in ANUG was demonstrated by Listgarten.


Vestibular extension procedure results in 
 1. Increase in width of keratinised attached gingiva
 2. Decrease in width of keratinised attached gingiva
 3. Increase in width of non-keratinised attached gingiva
 4. Decrease in width of non-keratinised attached gingiva
Periodontics Answer: 3

Vestibular extension procedure results in an increase in width of non-keratinised
attached gingiva

The vestibular extension procedure is a surgical treatment that involves the
apical movement of the vestibular mucosal tissue to increase the width of
attached gingival tissue around a tooth. This procedure typically does not alter
the width of the keratinized attached gingiva, which is the tissue that is
directly connected to the tooth surface. Instead, it primarily increases the
non-keratinized attached gingival width, which is the part of the gingival
tissue that is not directly attached to the tooth but is still important for
periodontal health and aesthetics.

Definite treatment for herpetic gingivostomatitis 
 1. Penicillin theraphy
 2. Hydrogen peroxide mouth wash
 3. Steroid therapy
 4. No definite treatment
Periodontics Answer: 4

There is no definite treatment for herpetic gingivostomatitis.

The operator position to perform scaling mandibular right posterior extent on lingual aspect is 
 1. Front position
 2. Left side of the patient
 3. Right side of the patient
 4. Back position
Periodontics Answer: 1

The operator position to perform scaling on the mandibular right posterior extent on the lingual aspect is the front position.

For interproximal areas of disastemata or for wide interdental spaces to properly adopt the interproximal papilla against the bone, the recommended technique to suturing method is 
 1. Interdental ligation
 2. Horizontal mattress suture
 3. Continuous, independent sling suture
 4. Closed anchor suture
Periodontics Answer: 2

The recommended suturing method for interproximal areas of diastemata is horizontal mattress suture.

Contraindication for distal wedge removal for periodontal surgery in mandibular molar area is 
 1. Distal root flutings
 2. Presence of deep pockets
 3. Insufficient space between distal molar & ascending ramus
 4. A soft retromolar pad
Periodontics Answer: 3

A contraindication for distal wedge removal for periodontal surgery in the mandibular molar area is insufficient space between the distal molar and ascending ramus.


The term gingival ablation indicates
1) Gingival recession due to faulty tooth brushing
2) Gingival recession accentuated by prominent palatal root
3) Gingival recession due to friction from hard root
4) Gingival recession due to friction from soft tissue
Periodontics Answer: 4

Gingival ablation is a surgical procedure that involves the removal of a portion of the gingival tissue. It is often used to treat conditions such as excessive gingival overgrowth or to improve the health of the gum tissue. Gingival recession due to friction from soft tissue, such as the tongue or cheek, is one possible outcome of this procedure. It does not inherently involve the removal of tissue due to tooth brushing, prominent roots, or hard tissue friction.

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