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CONTINUING EDUCATION PROGRAM
CONTINUING EDUCATION PROGRAM* THE JOURNAL OF THE AMERICAN DENTA ASSOCIATION SEPTEMBER 1995 WHO CAN PARTICIPATE?
- ADA-member dentists only. HOW DO I PROCEED?
- Review the three articles in this issue that bear the Continuing Education logo.
- Use the answer sheet provided in this issue after page 1304. - Fill in the personal information requested on the answer sheet and attach the mailing label from this issue of JADA. - Answer the 12 questions that appear on this and the following pages (four questions for each of the three articles), recording your responses on the answer sheet. - Mail your completed answer form to the University of Colorado School of Dentistry, using the pre-addressed envelope provided. Postage is paid if mailed within the United States. - Each exam requires a $10 fee, payable by check, money order or credit card. WHAT ARE THE NEXT STEPS?
- Your entry will be graded by faculty at the University of Colorado School of Dentistry. A score of nine correct answers is a passing grade. - Notice of your score and CE credit awarded (one credit hour per issue of JADA) will be mailed to you.
- It is up to you to notify your state dental board of any CE credit you receive. EXAMS MUST BE RECEIVED NO LATER THAN OCTOBER 31, 1995 ANY QUESTIONS? CALL
1-800-736-1911
PERCUTANEOUS EXPOSURES TO HIV-INFECTED BLOOD AMONG DENTAL WORKERS ENROLLED IN THE CDC NEEDLESTICK STUDY
1.
The dental workers in the CDC needlestick study experienced injuries A. only before clinical use of the device that caused the injury. B. only during clinical use of the device that caused the injury. C. only after clinical use of the device that caused the injury. D. both during and after clinical use of the device that caused the injury.
*In cooperation with the University of Colorado School of Dentistry, recognized as a provider of continuing education by the ADA's Continuing Education Recognition Program and the Academy of General Dentistry. The school of dentistry's California provider number is 1.3290-95001.
JADA, Vol. 126, September 1995 1301
2.
The two devices most frequently associated with injuries in this study were A. scalpel and explorer. B. bur and suture needle. C. hollow-bore needle and scaler. D. wire and bur.
3.
The overall risk of HIV transmission to workers in dental settings is reported to be A. very small. B. moderate. C. high. D. exceedingly high.
4.
Almost all of the injuries were A. self-inflicted. B. caused by a co-worker. C. caused by a patient. D. unavoidable.
CONTRIBUTION OF BIOFILM BACTERIA TO THE CONTAMINATION OF THE DENTAL UNIT WATER SUPPLY
1.
Which one of the following statements about biofilm is not correct? A. It results when microorganisms suspended in an aqueous medium become attached to an available surface and form microcolonies. B. It appears to originate from small numbers of bacteria in the water sources of dental offices. C. It may release bacterial cells into flowing or standing water. D. It is effectively eliminated when antiretraction valves are used.
2.
Clean, bacteria-free water introduced into biofilm-laden tubing A. did not become contaminated. B. quickly became contaminated. C. became contaminated only after standing undisturbed for a prolonged time. D. contaminated the biofilm.
3.
It has been reported that eliminating detectable bacteria from the water in a conventional dental unit requires a flush time of A. 45 minutes. B. 20 minutes. C. 5 minutes. D. 1 to 2 minutes.
4.
The most effective means of decontaminating a dental unit appeared to be purging it with A. 2 percent glutaraldehyde.
1302 JADA, Vol. 126, September 1995
B. 0.5 percent sodium hypochlorite. C. biofilm solution. D. sterile water.
SURGICALLY TREATING A BENIGN CEMENTOBLASTOMA WHILE RETAINING THE INVOLVED TOOTH
1.
The most common location for a benign cementoblastoma is in the area of which tooth?
A. maxillary first premolar B. maxillary first molar C. mandibular cuspid D. mandibular first molar 2.
Which one of the following approaches has not been successful in the management of benign cementoblastomas? A. endodontic therapy alone B. surgical removal of both tooth and tumor C. surgical removal of the tumor in conjunction with endodontic treatment D. second surgical intervention if recurrence is detected
3.
Which one of the following is not a feature of benign cementoblastoma? A. It generally affects people under the age of 30 years. B. It may mimic other lesions in radiographic appearance. C. It is a fairly common tumor, composing more than 10 percent of odontogenic tumors. D. It typically involves localized jaw enlargement.
4.
Retreatment of the existing root canal in the case report, replacing the silver points with gutta-percha, was performed to A. obturate the mesial canals to full working length. B. remove a broken instrument from the mesiobuccal canal. C. alleviate the patient's sensation of tenderness on chewing. D. facilitate subsequent surgical treatment and eliminate possible corrosion products.
JADA, Vol. 126, September 1995 1303
- ADA-member dentists only. HOW DO I PROCEED?
- Review the three articles in this issue that bear the Continuing Education logo.
- Use the answer sheet provided in this issue after page 1304. - Fill in the personal information requested on the answer sheet and attach the mailing label from this issue of JADA. - Answer the 12 questions that appear on this and the following pages (four questions for each of the three articles), recording your responses on the answer sheet. - Mail your completed answer form to the University of Colorado School of Dentistry, using the pre-addressed envelope provided. Postage is paid if mailed within the United States. - Each exam requires a $10 fee, payable by check, money order or credit card. WHAT ARE THE NEXT STEPS?
- Your entry will be graded by faculty at the University of Colorado School of Dentistry. A score of nine correct answers is a passing grade. - Notice of your score and CE credit awarded (one credit hour per issue of JADA) will be mailed to you.
- It is up to you to notify your state dental board of any CE credit you receive. EXAMS MUST BE RECEIVED NO LATER THAN OCTOBER 31, 1995 ANY QUESTIONS? CALL
1-800-736-1911
PERCUTANEOUS EXPOSURES TO HIV-INFECTED BLOOD AMONG DENTAL WORKERS ENROLLED IN THE CDC NEEDLESTICK STUDY
1.
The dental workers in the CDC needlestick study experienced injuries A. only before clinical use of the device that caused the injury. B. only during clinical use of the device that caused the injury. C. only after clinical use of the device that caused the injury. D. both during and after clinical use of the device that caused the injury.
*In cooperation with the University of Colorado School of Dentistry, recognized as a provider of continuing education by the ADA's Continuing Education Recognition Program and the Academy of General Dentistry. The school of dentistry's California provider number is 1.3290-95001.
JADA, Vol. 126, September 1995 1301
2.
The two devices most frequently associated with injuries in this study were A. scalpel and explorer. B. bur and suture needle. C. hollow-bore needle and scaler. D. wire and bur.
3.
The overall risk of HIV transmission to workers in dental settings is reported to be A. very small. B. moderate. C. high. D. exceedingly high.
4.
Almost all of the injuries were A. self-inflicted. B. caused by a co-worker. C. caused by a patient. D. unavoidable.
CONTRIBUTION OF BIOFILM BACTERIA TO THE CONTAMINATION OF THE DENTAL UNIT WATER SUPPLY
1.
Which one of the following statements about biofilm is not correct? A. It results when microorganisms suspended in an aqueous medium become attached to an available surface and form microcolonies. B. It appears to originate from small numbers of bacteria in the water sources of dental offices. C. It may release bacterial cells into flowing or standing water. D. It is effectively eliminated when antiretraction valves are used.
2.
Clean, bacteria-free water introduced into biofilm-laden tubing A. did not become contaminated. B. quickly became contaminated. C. became contaminated only after standing undisturbed for a prolonged time. D. contaminated the biofilm.
3.
It has been reported that eliminating detectable bacteria from the water in a conventional dental unit requires a flush time of A. 45 minutes. B. 20 minutes. C. 5 minutes. D. 1 to 2 minutes.
4.
The most effective means of decontaminating a dental unit appeared to be purging it with A. 2 percent glutaraldehyde.
1302 JADA, Vol. 126, September 1995
B. 0.5 percent sodium hypochlorite. C. biofilm solution. D. sterile water.
SURGICALLY TREATING A BENIGN CEMENTOBLASTOMA WHILE RETAINING THE INVOLVED TOOTH
1.
The most common location for a benign cementoblastoma is in the area of which tooth?
A. maxillary first premolar B. maxillary first molar C. mandibular cuspid D. mandibular first molar 2.
Which one of the following approaches has not been successful in the management of benign cementoblastomas? A. endodontic therapy alone B. surgical removal of both tooth and tumor C. surgical removal of the tumor in conjunction with endodontic treatment D. second surgical intervention if recurrence is detected
3.
Which one of the following is not a feature of benign cementoblastoma? A. It generally affects people under the age of 30 years. B. It may mimic other lesions in radiographic appearance. C. It is a fairly common tumor, composing more than 10 percent of odontogenic tumors. D. It typically involves localized jaw enlargement.
4.
Retreatment of the existing root canal in the case report, replacing the silver points with gutta-percha, was performed to A. obturate the mesial canals to full working length. B. remove a broken instrument from the mesiobuccal canal. C. alleviate the patient's sensation of tenderness on chewing. D. facilitate subsequent surgical treatment and eliminate possible corrosion products.
JADA, Vol. 126, September 1995 1303