Upper Gwynedd Fire Co. crews battled a fire at New Tech Dental at 1141 Smile Lane in Upper Gwynedd Friday morning. The fire was started, according to The Reporter's Twitter, when a construction worker cut into an access panel in the utility room, sending sparks that ignited the fire. Reports on Twitter from MontcoAlerts said smoke was in the building, possibly coming from the ceiling. The Reporter tweeted that the building owner estimated significant damage to the roof, citing structural loss around $50,000, and expected work to resume Wednesday. Stay tuned for more updates.