Sep 2021 Perio

A 32-year-old man received anterior ceramic crowns in the maxillary arch, then started to notice recession of the gum and longer appearance of the crowns. Clinical examination confirms the presence of gingival recessions. Which of the following is the most probable etiology of the gingival recession that occurred?

A 35-year-old man presented to the clinic complaining of bleeding when brushing a lower right tooth. Clinical examination revealed over contoured crown at the buccal of tooth #46, class I furcation involvement, probing depth range from 2-3 mm, and localized bleeding on probing at the buccal of tooth #46. Which of the following is the most likely treatment of choice?

Which of the following is measured from the gingival margin to the base of the periodontal pocket, during the periodontal examination?

A 45-year-old patient was referred to the clinic following the extraction of a non-restorable tooth #36. Bone graft was packed and the membrane was sutured in the area to preserve the alveolar bone width. Which of the following treatment modalities describes the procedures done in the patient?

A periodontist is performing a radiographic examination for a patient. He is looking at an axial view for a cone-beam radiograph of the mandibular second molar. The pocket is surrounded by three walls of bone. Which of the following types of bony defects is seen distal to the tooth?

Which of the following is the absolute diagnostic criterion for lack of osseointegration of an implant?

A 55-year-old woman with type Il diabetes presented to the clinic complaining of bleeding gums. Clinical examination revealed a generalized probing depth of 7-9 mm, generalized bleeding on probing, horizontal bone loss 50%, and HbA1c 8.5%. Which of the following is the most likely treatment of choice?

A 55-year-old woman presented to the clinic complaining of pain after a scaling and root planing visit done two days ago. Clinical examination showed generalized ulcers on the gingival margin and bleeding on probing. The patient has excellent oral hygiene. Which of the following is the most likely treatment of choice?

As per Horning and Cohen’s staging of oral necrotizing diseases, which stage is characterized by necrosis extending into the labial and/or buccal mucosa?

Which of the following is measured by a periodontal probe?

In what year was the first electric toothbrush invented?

Which of the following anatomical periodontal structures contributes the most to tooth mobility on intact periodontium?

As per Grace and Smales tooth mobility index, which of the following is the classification if you test a tooth for mobility and it is positive for a range of about 1.5mm in a buccolingual direction?

A 35-year-old woman went to the clinic to have his missing tooth #11 replaced with dental implants. Her medical history revealed no significant findings. Clinically, she has good oral hygiene and her periodontal health is acceptable — minimal plaque deposits, minimal bleeding on probing, and probing depths within normal limits. However, she revealed that she has been smoking for 10 years, with at least a pack per day for the last 5 years. Which of the following should be considered prior to the placement of dental implants?

A non-resorbable GTR membrane barrier must be removed after:

Which stage of gingival inflammation is characterized by the irreversible destruction of tooth-supporting structures?

To treat the patient’s periodontitis, the periodontist decided to place PerioChip subgingivally as a local delivery agent. Which of the following is the active ingredient of PerioChip?

A 35-year-old woman attended her first maintenance visit three months after completing active periodontal therapy. She presented with generalized bleeding on probing and localized 5mm pockets. Which of the following should the dentist do aside from reinforcing oral hygiene measures?

Which stage of gingivitis is characterized by the predominance of neutrophils in the inflammatory site?

The most common bacteria found in the dental water line is:

Which of the following periodontal pathogens is suppressed after systemic metronidazole and amoxicillin, in combination with scaling and root planing?

A true periodontal pocket measures at least how many millimeters?

At what stage of necrotizing ulcerative gingival disease will necrosis limited to the tip of the interdental papilla be present?

A 43-year-old woman walks into the clinic complaining of inflamed gums and bleeding when brushing and flossing. The distal surface of tooth #25 has a probing depth of 6mm. A bitewing radiograph was taken showing a vertical bone loss. Which of the following local factors is mostly responsible for the vertical bone loss on tooth #25?

Which of the following stages of gingival inflammation develops about one week after the beginning of dental plaque accumulation?

An 18-year-old man has been complaining of pain in his mouth for two days. Medically, he has a fever, accompanied by lymphadenopathy and malaise. He is also noticing a foul odor in his mouth. Radiographs taken show normal bone levels. A diagnosis of Acute necrotizing ulcerative gingivitis was made. What is the first clinical step in managing this patient’s condition?