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How many implants are placed annually in the US?

A. 500,000 B. 1 million C. 5 million D. 15 million

Definitive treatment of peri-implantitis has proven difficult and disease has been shown to recur in up to ___________% of cases, depending upon the treatment modality used.

A. 50% B. 60% C. 80% D. 100%

Peri-implant mucositis is defined as clinical inflammation without progressive bone loss and it has been observed in up to _________% of subjects with dental implants.

A. 10% B. 27% C. 47% D. 65%

Healthy peri-implant mucosa is comprised of:

A. A core of connective tissue covered by either keratinized or non-keratinized epithelium B. Connective tissue with significant inflammatory infiltrate C. Keratinized mucosal epithelium only D. A core of connective tissue with pseudostratified columnar epithelium

Peri-implant mucositis is reversible, the inflammatory lesion seen in experimental peri-implant mucositis is ______________ that seen in experimental gingivitis of the same chronicity and with similar clinical signs.

A. Larger Than B. Similar To C. Smaller Than

All of the following have been associated with an increased risk of peri-implantitis, EXCEPT one. Which one is the exception?

A. Smoking cessation B. Poor plaque control C. maintenance adherence D. Periodontal disease

Failure rates for dental implants are increased in smokers up to _________ times.

A. 1.5 B. 2 C. 5 D. 10

How long does it take for periopathogenic bacteria to colonize dental implant components after their exposure to the oral environment?

A. 14 days B. 28 days C. 3-6 months D. 12-24 months

In a case-control study, ____________% of healthy implants and ____________% of those diagnosed with peri-implantitis demonstrated retained cement upon surgical evaluation?

A. 7%; 76% B. 25%; 88% C. 0%; 81% D. 14%; 94%

LASER is an acronym for:

A. Light Amplification through Stimulation of Emission Radiation B. Light Augmentation Secondary to Emitted Radiation C. Light Agitation with Stagnation of Emission Radiation D. Light Alteration through Shifting of Emitted Radiation

Target tissues for lasers are also known as:

A. Wavelengths B. Elements C. Chromophores D. Radiophores

Consider the following two statements:
- Laser beam wavelength is one complete oscillation of the wave above the velocity axis.
- The most common range of wavelengths for lasers used in periodontology and implant dentistry ranges from 400 – 10,600 nm.

A. Both statements are true. B. The first statement is true, the second statement is false. C. The first statement is false, the second statement is true. D. Both statements are false.

The term “photodynamic therapy” refers to:

A. The use of two different types of lasers at once B. The use of lasers in combination with antimicrobial topical medicaments C. The use of CO₂ laser therapy during surgical debridement D. The use of diode lasers in combination phenothiazine chloride dye

Which of the following statements is true about Nd:YAG lasers:

A. Absorption of the laser beam from Nd:YAG lasers occurs in hard tissues and titanium B. Nd:YAG lasers are poorly absorbed by water and penetrate into soft tissues C. The medium to create the laser beam is a gas that is cooled with either air or water D. Nd:YAG lasers may have to be activated using pigmented materials

Adjunctive use of laser therapy has been shown to result in decreases in clinical signs of inflammation out to _________ months and bleeding on probing at __________months after treatment.

A. Six, Twelve B. Six, Eighteen C. Three, Six D. Three, Twelve

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Laser Therapy for Adjunctive Treatment of Peri-implant Disease
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