** Medical device maker's shares BIOL.O up nearly 33% at
$0.77 premarket, top pct gainer across U.S. exchanges
** BIOL said on Thursday Q1 revenue rose about 70% to $8.1
mln vs est $7.8 mln - Refinitiv Eikon urn:newsml:reuters.com:*:nPn2PKrjWa
** Quarterly results helped by robust demand for dental
lasers due to recovery in patient volumes
** Company expects Q2 revenue between $7.5 mln and $8.5 mln,
growth of 155%-190% y-o-y
** BIOL shares up 39.2% YTD as of last close
(Reporting by Amruta Khandekar)
((Amruta.Khandekar@thomsonreuters.com))