Rota-dent Clinical Studies Archive:

1. "Effect on Periodontal Status of Rotary Electric Toothbrushes vs. Manual Toothbrushes During Periodontal Maintenance: I. Clinical Results" - Journal of Periodontology-Vol. 60, No. 7: 390-394, July, 1989

2. "Effect of Periodontal Status of Rotary Electric Toothbrushes vs. Manual Toothbrushes During Periodontal Maintenance: II. Microbiological Results" - Journal of Periodontology-Vol. 60, No. 7: 396-400, July 1989

3. "The Effectiveness of a Rotary Electric Toothbrush on Oral Cleanliness in Adults" - Journal of Clinical Periodontology, Vol. 13, No. 2: 135-138, 1986

4. "The Effectiveness of a Rotary Action Power Toothbrush vs. A Manual Brush" - Journal of Dental Research, Vol. 67: Abstract No.98, 1988

5. "Rotary Electric Toothbrushing: Clinical Effects on the Presence of Gingivitis and Supragingival Dental Plaque" - Dental Hygiene, Vol. 67, No. 12: 546-550, Dec. 1987

6. "A Comparative Study of Plaque Removing Efficiency Using Rotary Electric and Manual Toothbrushes" - Swedish Dental Journal, Vol. 15, 229-234, 1991

The Rota-dent^® instrument was found to be equally effective for plaque removal and control of gingival inflammation as a combination of conventional toothbrush, dental floss, and toothpicks for patients in periodontal maintenance. The continued high motivation level of Rota-dent patients for the twelve-month period negated the "novelty effect" seen with other electric toothbrushes in previous studies.

"Effect on Periodontal Status of Rotary Electric Toothbrushes vs. Manual Toothbrushes During Periodontal Maintenance: I. Clinical Results"

Journal of Periodontology-Vol. 60, No. 7: 390-394, July, 1989
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Forty subjects on maintenance programs with moderate to advanced periodontal disease were studied. A comparison of the effects on subgingival flora was made between the Rota-dent^® and a combination of
manual techniques. Results at the end of twelve months showed the Rota-dent to be equally effective as a combination of manual techniques including brush, floss, toothpick and interspace brush in reducing the
levels of spirochetes and motile rods.

"Effect of Periodontal Status of Rotary Electric Toothbrushes vs. Manual Toothbrushes During Periodontal Maintenance: II. Microbiological Results"

Journal of Periodontology-Vol. 60, No. 7: 396-400, July 1989
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Periodontal Maintenance - Study 3 - Months, 40 Subjects #3

Forty adult periodontal patients were divided into two matched groups. One group used only the Rota-dent^®. The control group used a complete oral hygiene kit consisting of a manual toothbrush, interproximal brush, toothpicks, disclosing tablets and lighted mouth mirror. Results showed the Rota-dent instrument to be equally effective as the comprehensive oral hygiene kit consisting of a manual toothbrush, interproximal brush, toothpicks, disclosing tablets and lighted mouth mirror in reduction of gingival inflammation and plaque control.

"The Effectiveness of a Rotary Electric Toothbrush on Oral Cleanliness in Adults"

Journal of Clinical Periodontology, Vol. 13, No. 2: 135-138, 1986
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Periodontal Maintenance - Study 4 - 4 Months, 30 Subjects #5

This investigator-blind crossover study with thirty patients compared the effectiveness of the Rota-dent^® instrument to conventional toothbrush. At the end of a two month crossover period, the Rota-dent instrument resulted in statistically greater reduction in crevicular depth than the manual brush, and at the end of the study, the Rota-dent instrument proved to be significantly better in preventing plaque reaccumulation.

"The Effectiveness of a Rotary Action Power Toothbrush vs. A Manual Brush"

Journal of Dental Research, Vol. 67: Abstract No.98, 1988
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Periodontal Maintenance - Study 5 - 6 Weeks, 40 Subjects #6

Multivariate analysis revealed that the rotary electric toothbrush was superior to the conventional toothbrush in reducing dental plaque accumulation and equally effective in reducing gingival inflammation. Results of this study confirm those of an earlier study regarding the need for professional instruction to enable patients to achieve the best results from this effective homecare instrument.

"Rotary Electric Toothbrushing: Clinical Effects on the Presence of Gingivitis and Supragingival Dental Plaque"

Dental Hygiene, Vol. 67, No. 12: 546-550, Dec. 1987
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Periodontal Maintenance - Study 6 - 6 Weeks, 19 Subjects #15

Plaque removing efficiency was compared between Rota-dent and manual toothbrushes. The results suggest that the Rota-dent^® removes plaque more efficiently than conventional manual toothbrush. Only half as much time was required to reduce plaque level by an equal amount for the Rota-dent group as compared to the control group.

"A Comparative Study of Plaque Removing Efficiency Using Rotary Electric and Manual Toothbrushes"

Swedish Dental Journal, Vol. 15, 229-234, 1991
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Compliance

1. "Effect on Periodontal Status of Rotary Electric Toothbrushes vs. Manual Toothbrushes During Periodontal Maintenance" - Journal of Periodontology-Vol. 60, No. 7: 390-394, July, 1989: I. Clinical Results"

2. "The Effectiveness of a Rotary Electric Toothbrush on Oral Cleanliness in Adults" - Journal of Clinical Periodontology, Vol. 13, No. 2: 135-138, 1986

3. "Rotary Electric Toothbrushing: Clinical Effects on the Presence of Gingivitis and Supragingival Dental Plaque" - Dental Hygiene, Vol. 67, No. 12: 546-550, Dec. 1987

4. "A Comparative Study of Plaque Removing Efficiency Using Rotary Electric and Manual Toothbrushes" - Swedish Dental Journal, Vol. 15, 229-234, 1991

5. "The Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Decalcification During Orthodontic Treatment" - Journal of Orthodontics and Dentofacial Orthopedics 105: 450, 1994

The Rota-dent^® instrument was found to be equally effective for plaque removal and control of gingival inflammation as a combination of conventional toothbrush, dental floss, and toothpicks for patients in
periodontal maintenance. The continued high motivation level of Rota-dent patients for the twelve-month period negated the "novelty effect" seen with other electric toothbrushes in previous studies.

"Effects on Periodontal Status of Rotary Electric Toothbrushes vs. Manual Toothbrushes During Periodontal Maintenance"

Journal of Periodontology-Vol. 60, No. 7: 390-394, July, 1989: I. Clinical Results
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Compliance - Study 4 - 6 Weeks, 19 Subjects #15

Plaque removing efficiency was compared between Rota-dent and manual toothbrushes. The results suggest that the Rota-dent^® removes plaque more efficiently than conventional manual toothbrush. Only half as much time was required to reduce plaque level by 75% for the Rota-dent group as compared to the control group.

"A Comparative Study of Plaque Removing Efficiency Using Rotary Electric and Manual Toothbrushes"

Swedish Dental Journal, Vol. 15, 229-234, 1991
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Compliance - Study 5 - 36 Months, 90 Adolescent Subjects #16

The purpose of this prospective, three year clinical study was to determine differences in decalcification between three groups of adolescent subjects who received orthodontic treatment with fixed appliances. The control group used a conventional toothbrush and a fluoride toothpaste. The second group used a conventional toothbrush, fluoride toothpaste, and 0.05% NaF rinse. The third group used the Rota-dent and the same toothpaste and rinse. Results of the study show the Rota-dent was significantly more effective in preventing decalcification in adolescents undergoing orthodontic treatment. The Rota-dent reduced decalcification on first molars by 70% to 100% over the control group.

"The Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Decalcification During Orthodontic Treatment"

Journal of Orthodontics and Dentofacial Orthopedics 105: 450, 1994
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Abrasion

1. "The Abrasion Effect From a Rotary Electric Toothbrush (Rota-dent) on Dentin" - Clinical Preventive Dentistry, Vol. 12, Oct.-Nov. 1990

2. "Effect on Periodontal Status of Rotary Electric Toothbrushes vs. Manual Toothbrushes During Periodontal Maintenance: I. Clinical Results" - Journal of Periodontology-Vol. 60, No. 7: 390-394, July, 1989

3. "Clinical Evaluation of Brushing Force for Powered Rotating Brushing Instruments" - Journal of Dental Research, Vol. 73: Abstract No. 500, March 1994 Top of Page - Back to Rota-dent

Abrasion - Study 1 - Equivalent to 68 Years of Brushing #8

Test showed no difference in abrasion between conventional toothbrushes and the Rota-dent instrument when used with distilled water. The equivalent of 68 years of brushing, (200,000 strokes) with the Rota-dent^®, produced little or no abrasion. This was felt to be especially significant when considering periodontal patients with exposed root surfaces.

"The Abrasion Effect From a Rotary Electric Toothbrush (Rota-dent) on Dentin"

Clinical Preventive Dentistry, Vol. 12, Oct.-Nov. 1990
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1. "The Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Decalcification During Orthodontic Treatment" - Journal of Orthodontics and Dentofacial Orthopedics 105: 450, 1994

2. "Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Periodontal Status During Orthodontic Treatment" - American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 96,
   No. 4: 342-347, Oct. 1989

3. "Efficacy of a Rotary Electric vs. A Manual Toothbrush in Orthodontic Patients" - Journal of Dental Research, Vol. 71: Abstract No. 1162, March 1992 "The Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Decalcification During Orthodontic Treatment" - Journal of Orthodontics and Dentofacial Orthopedics 105: 450, 1994

4. "Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Periodontal Status During Orthodontic Treatment" - American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 96,
   No. 4: 342-347, Oct. 1989

5. "Efficacy of a Rotary Electric vs. A Manual Toothbrush in Orthodontic Patients" - Journal of Dental Research, Vol. 71: Abstract No. 1162, March 1992

The purpose of this prospective, three year clinical study was to determine differences in decalcification between three groups of adolescent subjects who received orthodontic treatment with fixed appliances. The control group used a conventional toothbrush and a fluoride toothpaste. The second group used a conventional toothbrush, fluoride toothpaste, and 0.05% NaF rinse. The third group used the Rota-dent^® and the same toothpaste and rinse. Results of the study show the Rota-dent was significantly more effective in preventing decalcification in adolescents undergoing orthodontic treatment. The Rota-dent reduced decalcification on first molars by 70% to 100% over the control group.

"The Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Decalcification During Orthodontic Treatment"

Journal of Orthodontics and Dentofacial Orthopedics 105: 450, 1994
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Both test and control groups of adolescent orthodontic patients showed elevated plaque and gingivitis levels after the appliances were placed. The Rota-dent^® group had statistically lower plaque, gingivitis, and bleeding scores from the third month through the eighteenth month than the control group. The data suggest that the Rota-dent instrument is more effective than conventional toothbrushes for removing plaque and controlling gingivitis in adolescents during orthodontic treatment with fixed appliances. As in the common study on periodontal maintenance patients, the "novelty effect" was not seen, and patients continued to maintain efficient plaque removal with the Rota-dent instrument throughout the 18 month study period.

"Effect of Rotary Electric Toothbrush vs. Manual Toothbrush on Periodontal Status During Orthodontic Treatment"

American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 96, No. 4: 342-347, Oct. 1989
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Orthodontics - Study 3 - 6 Weeks, 30 Subjects #17

Thirty subjects were randomly selected from patients receiving orthodontic treatment. Fifteen were instructed to use the Rota-dent^® and the others were instructed to use the manual toothbrush. The mean gingival and plaque indices show the Rota-dent was significantly more effective than the manual brush both in removing plaque and improving gingival health of orthodontic patients. The study also showed the Rota-dent group was able to achieve a lower plaque level sooner than the control group.

"Efficacy of a Rotary Electric vs. A Manual Toothbrush in Orthodontic Patients"

Journal of Dental Research, Vol. 71: Abstract No. 1162, March 1992
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Implants Study - 40 Implants of 4 Different Types #9

This study is an in-vitro evaluation of the commonly used dental implant materials used for osseointegrated reconstruction and their response to various maintenance modalities. The Rota-dent^® used with Peridex was found to be safe for all implant surfaces studied and less abrasive on single crystal sapphire than the Interplak.

"Effects of Various Prophylactic Treatments on Titanium, Sapphire, and Hydroxyapatite Coated Implants: An SEM Study" -

The International Journal of Periodontics and Restorative Dentistry, Vol. 9, No. 4, 1989
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Stain Control

1. "Comparison of a Powered Rotary Plaque Removing Device(Rota-dent) in Controlling Chlorhexidine Stain as Compared with Manual Technique" - Journal of Dental Research, Vol. 69, January 1990 (Abstract)

2. "Relative Abrasiveness and Cleaning Efficiency of Three Powered Brushing Instruments" - Journal of Dental Research, Vol. 73: Abstract No. 501, March 1994

3. "Model to Assess Interproximal Cleaning by Four Powered Brushing Instruments." - Journal of Dental Research, Vol. 74: Abstract No. 1586, March 1995

Stain Control - Study 1 - 3 Months, 19 Subjects #12

This blind crossover study showed the Rota-dent alone to be as effective as a combination of brush, floss and interproximal stimulation in controlling stain.

"Comparison of a Powered Rotary Plaque Removing Device(Rota-dent) in Controlling Chlorhexidine Stain as Compared with Manual Technique"

Journal of Dental Research, Vol. 69, January 1990 (Abstract)
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Stain Control - Study 2 - #22

This laboratory study was conducted to evaluate the relative abrasiveness and cleaning efficiency of three powered brushes and a manual brush. Brushing force and amount of applied paste were independently
determined for each brush. The Rota-dent^® instrument was consistently superior to the manual, Interplak and Braun with regard to removing a tea-chlorhexidine stain, while being considerably less abrasive to test
surfaces than Interplak.

"Relative Abrasiveness and Cleaning Efficiency of Three Powered Brushing Instruments"

Journal of Dental Research, Vol. 73: Abstract No. 501, March 1994
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Stain Control - Study 3 - #23

The interproximal cleaning efficiency of the Rota-dent^®, Interplak, Braun and Sonicare powered brushing instruments was evaluated using a laboratory model. Significant differences in the ability to remove a tea-chlorhexidine stain were observed. The Rota-dent instrument showed better access to interproximal areas, and produced the highest cleaning efficiency with the lowest applied brushing force, followed in decreasing effectiveness by the Interplak, Braun and Sonicare instruments.

"Model to Assess Interproximal Cleaning by Four Powered Brushing Instruments."

Journal of Dental Research, Vol. 74: Abstract No. 1586, March 1995
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1. "Chlorhexidine Efficacy Enhancement by Local Application with Powered Rotary Device" - Journal of Dental Research, Vol. 71: Abstract No. 552, July 1992

2. "Rotary Powered Brushing with Chlorhexidine Compared to Manual Brushing Plus Irrigation" - Journal of Dental Research, Vol. 73: Abstract No. 2644, March 1994

Applying Medicaments - Study 1 - 12 Weeks, 40 Subjects #18

This study indicated that the Rota-dent^® was more effective than a combination of manual techniques when used with chlorhexidine for plaque and gingivitis control, and was more effective in enhancing the clinical effects of chlorhexidine when brushing the agent directly onto the teeth and marginal gingivae.

"Chlorhexidine Efficacy Enhancement by Local Application with Powered Rotary Device"

Journal of Dental Research, Vol. 71: Abstract No. 552, July 1992
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A split mouth design was utilized in this twelve week, crossover study. The results showed that burnishing chlorhexidine (0.12%) onto the teeth and marginal tissues with the rotary powered Rota-dent^® instrument was significantly more effective for gingivitis and plaque, than a combination of manual brushing and gingival irrigation with 0.06% chlorhexidine.

"Rotary Powered Brushing with Chlorhexidine Compared to Manual Brushing Plus Irrigation"

Journal of Dental Research, Vol. 73: Abstract No. 2644, March 1994
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1. "Comparative Efficacy of Two Electric Brushes in Furcations and Interproximal Areas" - Journal of Dental Research, Vol. 72: Abstract No. 2166, March 1993

2. "The Effectiveness of Five Oral Hygiene Devices on Removal of Plaque From Furcation Areas of Multirooted Teeth" - Journal of Dental research, Vol. 70: Abstract No. 803, April 1994
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Furcations/Interproximal - Study 1 - 12 Weeks, 35 Subjects #19

The purpose of this study was to investigate the difference in efficacy between two powered brushes on plaque and gingivitis control in furcations and interproximal zones. The data indicate that the Rota-dent^® was statistically more effective than the Interplak in controlling plaque and gingivitis in furcation and interproximal areas, with clinically relevant differences in PBI and GI.

"Comparative Efficacy of Two Electric Brushes in Furcations and Interproximal Areas"

"Journal of Dental Research, Vol. 72: Abstract No. 2166, March 1993"
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The ability of five types of brushes to remove plaque from the furcation areas of multirooted teeth was investigated using beagle dogs as test subjects. The results strongly suggested that the Rota-dent^® instrument, with its long pointed tip, was more effective than Interplak or manual brushes in deplaquing furcations. The Rota-dent instrument was statistically more effective than the conventional Interplak, and more effective than an Interplak that had been modified for purposes of the test.

"The Effectiveness of Five Oral Hygiene Devices on Removal of Plaque From Furcation Areas of Multirooted Teeth"

Journal of Dental research, Vol. 70: Abstract No. 803, April 1991
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The interproximal cleaning efficiency of the Rota-dent^®, Interplak, Braun and Sonicare powered brushing instruments was evaluated using a laboratory model. Significant differences in the ability to remove a tea-chlorhexidine stain were observed. The Rota-dent instrument showed better access to interproximal areas, and produced the highest cleaning efficiency with the lowest applied brushing force, followed in decreasing effectiveness by the Interplak, Braun and Sonicare instruments.

"Model to Assess Interproximal Cleaning by Four Powered Brushing Instruments."

Journal of Dental Research, Vol. 74: Abstract No. 1586, March 1995
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Geriatrics

This study compared the effect on plaque control of the Rota-dent^® and manual brushing in a geriatric nursing home population. The six week crossover design included 29 patients with an average age of 81 years. Conclusions showed Rota-dent to be more effective in controlling gingivitis and plaque than conventional brushing

"Clinical Evaluation of Electric Oral Hygiene Device in a Geriatric Population"

Journal of Dental Research, Vol. 70: Abstract No. 803, April 1991
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