A model of temperature transients in dental implants

Wong, Kam M.; Boyde, A.; Howell, Pgt

doi:10.1016/s0142-9612(01)00023-0

Cited by 17 publications

(15 citation statements)

References 3 publications

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“…In a theoretical model using computed simulation, Wong et al (2001) reported that intra‐oral exposure to 60°C may cause an increase in temperature of up to 47°C along the surface of an implant embedded in the bone. In our study, the temperatures measured were lower than the calculated one.…”

Section: Discussionmentioning

confidence: 99%

“…The delayed and lower temperature values measured at T4 and T5 as compared with T2 were probably due to the distance from the input temperature and the heat transfer to the surrounding bone tissue. In a theoretical model using computed simulation, Wong et al (2001) reported that intra-oral exposure to 601C may cause an increase in temperature of up to 471C along the surface of an implant embedded in the bone. In our study, the temperatures measured were lower than the calculated one.…”

Section: Discussionmentioning

confidence: 99%

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Temperature changes in dental implants following exposure to hot substances in an ex vivo model

Feuerstein

Zeichner

Imbari

et al. 2008

Clinical Oral Implants Res

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Temperature changes in dental implants following exposure to hot substances in an ex vivo model

Feuerstein

Zeichner

Imbari

et al. 2008

Clinical Oral Implants Res

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“…Daily food and beverage consumption can alter the internal temperature of the oral cavity . These changes have been reported in the range of 0 to 67°C . Previous studies have shown that at 42°C some bone proteins are lost, and if the compact bone is exposed for 1 minute to a temperature of 47°C, it becomes necrotic .…”

mentioning

confidence: 82%

“…In BHI implants, artificial crowns are placed on the implant body after 3 to 6 months . Dental implants are usually made up of metal, and the thermal conductivity of metal is more than that of body tissues, thereby increasing the thermal conduction flow between the jawbone and the oral cavity . Subsequently, the amount of heat transferred to the jawbone increases, potentially causing severe damage to the surrounding tissues.…”

mentioning

confidence: 99%

Thermal Analysis of Dental Implants in Mandibular Premolar Region: 3D FEM Study

Arshad

Oskui

Hashemi

2016

Journal of Prosthodontics

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“…Results from an experimental heat conduction model investigating the ranges of temperature gradients occurring in implants demonstrate that a 60°C heat source causes a heat front exceeding 47°C and advances more than 3 mm down an implant within 1 s [22]. Temperatures over 47°C for more than a minute cause necrosis of cortical bone [23-25].…”

Section: Introductionmentioning

confidence: 99%

Temperature rise during removal of fractured components out of the implant body: an in vitro study comparing two ultrasonic devices and five implant types

2015

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BackgroundUltrasonic instrumentation under magnification may facilitate mobilization of screw remnants but may induce heat trauma to surrounding bone. An increase of 5°C is considered detrimental to osseointegration. The objective of this investigation was to examine the rise in temperature of the outer implant body after 30 s of ultrasonic instrumentation to the inner part, in relation to implant type, type of ultrasonic equipment, and the use of coolants in vitro.MethodsTwo ultrasonic devices (Satelec Suprasson T Max and Electro Medical Systems (EMS) miniMaster) were used on five different implant types that were provided with a thermo couple (Astra 3.5 mm, bone level Regular CrossFit (RC) 4.1 mm, bone level Narrow CrossFit (NC) 3.3 mm, Straumann tissue level regular body regular neck 3.3 mm, and Straumann tissue level wide body regular neck 4.8 mm), either with or without cooling during 30 s. Temperature rise at this point in time is the primary outcome measure. In addition, the mean maximum rise in temperature (all implants combined) was assessed and statistically compared among devices, implant systems, and cooling mode (independent t-tests, ANOVA, and post hoc analysis).ResultsThe Satelec device without cooling induces the highest temperature change of up to 13°C, particularly in both bone level implants (p < 0.05) but appears safe for approximately 10 s of continuous instrumentation, after which a cooling down period is rational. Cooling is effective for both devices. However, when the Satelec device is used with coolant for a longer period of time, a rise in temperature must be anticipated after cessation of instrumentation, and post-operational cooling is advised.ConclusionsThe in vitro setup used in this experiment implies that care should be taken when translating the observations to clinical recommendations, but it is carefully suggested that the EMS device causes limited rise in temperature, even without coolant.

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A model of temperature transients in dental implants

Cited by 17 publications

References 3 publications

Temperature changes in dental implants following exposure to hot substances in an ex vivo model

Temperature changes in dental implants following exposure to hot substances in an ex vivo model

Thermal Analysis of Dental Implants in Mandibular Premolar Region: 3D FEM Study

Temperature rise during removal of fractured components out of the implant body: an in vitro study comparing two ultrasonic devices and five implant types

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